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Arch Linux Setup
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</a>
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<span class="md-ellipsis">
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Kernel Configuration
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</span>
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<span class="md-nav__icon md-icon"></span>
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</label>
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<a href="./" class="md-nav__link md-nav__link--active">
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<span class="md-ellipsis">
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Kernel Configuration
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<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
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<span class="md-nav__icon md-icon"></span>
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Table of contents
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<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
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<span class="md-ellipsis">
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<nav class="md-nav" aria-label="Kernel Version Compatibility">
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<ul class="md-nav__list">
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<span class="md-ellipsis">
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Recommended Kernels
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</li>
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<li class="md-nav__item">
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<a href="#broken-kernels" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Broken Kernels
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
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|
|
<li class="md-nav__item">
|
|
<a href="#required-kernel-parameters" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Required Kernel Parameters
|
|
|
|
</span>
|
|
</a>
|
|
|
|
<nav class="md-nav" aria-label="Required Kernel Parameters">
|
|
<ul class="md-nav__list">
|
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|
|
<li class="md-nav__item">
|
|
<a href="#basic-parameters-all-installations" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Basic Parameters (All Installations)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
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|
|
<li class="md-nav__item">
|
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<a href="#performance-parameters-optional" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
Performance Parameters (Optional)
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|
|
</span>
|
|
</a>
|
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</li>
|
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|
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<li class="md-nav__item">
|
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<a href="#memory-allocation-parameters-advanced" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
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|
|
Memory Allocation Parameters (Advanced)
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</span>
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</a>
|
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</li>
|
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|
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<li class="md-nav__item">
|
|
<a href="#installation-parameter-temporary" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
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|
|
Installation Parameter (Temporary)
|
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|
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</span>
|
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</a>
|
|
|
|
</li>
|
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|
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
|
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<a href="#applying-kernel-parameters" class="md-nav__link">
|
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<span class="md-ellipsis">
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|
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Applying Kernel Parameters
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|
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</span>
|
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</a>
|
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<nav class="md-nav" aria-label="Applying Kernel Parameters">
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<ul class="md-nav__list">
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<li class="md-nav__item">
|
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<a href="#fedorarhel" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
|
Fedora/RHEL
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="#debianubuntu" class="md-nav__link">
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<span class="md-ellipsis">
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Debian/Ubuntu
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#arch-linux" class="md-nav__link">
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<span class="md-ellipsis">
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Arch Linux
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="#temporary-boot-parameters" class="md-nav__link">
|
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<span class="md-ellipsis">
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|
|
Temporary Boot Parameters
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|
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</span>
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</a>
|
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
|
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<a href="#gpu-frequency-voltage-management-advanced" class="md-nav__link">
|
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<span class="md-ellipsis">
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GPU Frequency & Voltage Management (Advanced)
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</span>
|
|
</a>
|
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|
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</li>
|
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|
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<li class="md-nav__item">
|
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<a href="#kernel-management" class="md-nav__link">
|
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<span class="md-ellipsis">
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|
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Kernel Management
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|
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</span>
|
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</a>
|
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|
|
<nav class="md-nav" aria-label="Kernel Management">
|
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<ul class="md-nav__list">
|
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<li class="md-nav__item">
|
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<a href="#checking-current-kernel" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
|
Checking Current Kernel
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|
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</span>
|
|
</a>
|
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|
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</li>
|
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|
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<li class="md-nav__item">
|
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<a href="#installing-specific-kernel-version" class="md-nav__link">
|
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<span class="md-ellipsis">
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|
Installing Specific Kernel Version
|
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|
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</span>
|
|
</a>
|
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</li>
|
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|
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<li class="md-nav__item">
|
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<a href="#holding-kernel-version" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
|
Holding Kernel Version
|
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|
|
</span>
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|
</a>
|
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|
</li>
|
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|
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<li class="md-nav__item">
|
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<a href="#removing-broken-kernel" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
|
Removing Broken Kernel
|
|
|
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</span>
|
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</a>
|
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|
</li>
|
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</ul>
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</nav>
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</li>
|
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|
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<li class="md-nav__item">
|
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<a href="#kernel-patches-for-bc-250" class="md-nav__link">
|
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<span class="md-ellipsis">
|
|
|
|
Kernel Patches for BC-250
|
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|
|
</span>
|
|
</a>
|
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|
|
<nav class="md-nav" aria-label="Kernel Patches for BC-250">
|
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<ul class="md-nav__list">
|
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<li class="md-nav__item">
|
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<a href="#gpu-frequency-range-patch" class="md-nav__link">
|
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<span class="md-ellipsis">
|
|
|
|
GPU Frequency Range Patch
|
|
|
|
</span>
|
|
</a>
|
|
|
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</li>
|
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|
|
<li class="md-nav__item">
|
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<a href="#tkg-kernel-arch-based" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
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|
|
TKG Kernel (Arch-based)
|
|
|
|
</span>
|
|
</a>
|
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|
|
</li>
|
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
|
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<a href="#kernel-troubleshooting" class="md-nav__link">
|
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<span class="md-ellipsis">
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Kernel Troubleshooting
|
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|
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</span>
|
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</a>
|
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|
|
<nav class="md-nav" aria-label="Kernel Troubleshooting">
|
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<ul class="md-nav__list">
|
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<li class="md-nav__item">
|
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<a href="#gpu-not-detected-after-kernel-update" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
|
GPU Not Detected After Kernel Update
|
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|
|
</span>
|
|
</a>
|
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|
|
</li>
|
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|
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<li class="md-nav__item">
|
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<a href="#system-boots-but-no-gpu-acceleration" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
|
System Boots But No GPU Acceleration
|
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</span>
|
|
</a>
|
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</li>
|
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|
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<li class="md-nav__item">
|
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<a href="#kernel-panic-on-boot" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
|
Kernel Panic on Boot
|
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|
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</span>
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</a>
|
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
|
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<a href="#kernel-version-matrix" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
|
Kernel Version Matrix
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</span>
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="#see-also" class="md-nav__link">
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<span class="md-ellipsis">
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See Also
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="../mesa/" class="md-nav__link">
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<span class="md-ellipsis">
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|
|
|
Mesa Installation
|
|
|
|
|
|
|
|
</span>
|
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|
|
|
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--section md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
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<label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="">
|
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<span class="md-ellipsis">
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|
|
|
Drivers & Graphics
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|
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|
|
</span>
|
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<span class="md-nav__icon md-icon"></span>
|
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</label>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_7">
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<span class="md-nav__icon md-icon"></span>
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Drivers & Graphics
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
|
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<a href="../../drivers/radv/" class="md-nav__link">
|
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<span class="md-ellipsis">
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|
|
|
RADV Driver
|
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|
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|
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</span>
|
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|
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|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="../../drivers/environment/" class="md-nav__link">
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<span class="md-ellipsis">
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|
|
|
|
Environment Variables
|
|
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|
|
|
|
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</span>
|
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|
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|
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--section md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
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<label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="">
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<span class="md-ellipsis">
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|
|
System Configuration
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|
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|
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|
|
</span>
|
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<span class="md-nav__icon md-icon"></span>
|
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</label>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_8">
|
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<span class="md-nav__icon md-icon"></span>
|
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System Configuration
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
|
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<a href="../../system/governor/" class="md-nav__link">
|
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|
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<span class="md-ellipsis">
|
|
|
|
|
|
GPU Governor
|
|
|
|
|
|
|
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</span>
|
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|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="../../system/sensors/" class="md-nav__link">
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<span class="md-ellipsis">
|
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|
|
|
Sensors & Monitoring
|
|
|
|
|
|
|
|
</span>
|
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|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="../../system/power/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
|
|
|
|
|
Power Management
|
|
|
|
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|
|
|
</span>
|
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|
|
|
</a>
|
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</li>
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</ul>
|
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--section md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
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<label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="">
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<span class="md-ellipsis">
|
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|
|
|
Gaming & Performance
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</span>
|
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_9">
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<span class="md-nav__icon md-icon"></span>
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Gaming & Performance
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<a href="../../gaming/compatibility/" class="md-nav__link">
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<span class="md-ellipsis">
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|
Game Compatibility
|
|
|
|
|
|
|
|
</span>
|
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|
|
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</a>
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</li>
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</ul>
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</nav>
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<li class="md-nav__item md-nav__item--section md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
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<label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="">
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<span class="md-ellipsis">
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Troubleshooting
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</span>
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_10">
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<span class="md-nav__icon md-icon"></span>
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Troubleshooting
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<h1 id="kernel-requirements-and-configuration">Kernel Requirements and Configuration<a class="headerlink" href="#kernel-requirements-and-configuration" title="Permanent link">¶</a></h1>
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<p>The Linux kernel version and configuration is critical for BC-250 stability and performance.</p>
|
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<h2 id="kernel-version-compatibility">Kernel Version Compatibility<a class="headerlink" href="#kernel-version-compatibility" title="Permanent link">¶</a></h2>
|
|
<h3 id="recommended-kernels">Recommended Kernels<a class="headerlink" href="#recommended-kernels" title="Permanent link">¶</a></h3>
|
|
<p><strong>Best Compatibility:</strong>
|
|
- <strong>6.18.x LTS</strong> - RECOMMENDED (CachyOS 6.18.0 reports 5-10% faster than 6.17)
|
|
- <strong>6.17.11+</strong> - Kernel fix applied, works well
|
|
- <strong>6.16.x</strong> - All versions work well
|
|
- <strong>6.15.7 - 6.17.7</strong> - Full BC-250 support</p>
|
|
<p><strong>Stable Fallback:</strong>
|
|
- <strong>6.12.x LTS</strong> - Older but reliable
|
|
- <strong>6.13.x</strong> - Stable
|
|
- <strong>6.14.x LTS</strong> - Well-tested</p>
|
|
<p><strong>Confirmed Working Versions (Jan-Feb 2026):</strong>
|
|
- <strong>6.18.3</strong> - Confirmed working (CachyOS, Debian sid, Ubuntu xanmod)
|
|
- <strong>6.18.0</strong> - Confirmed working (CachyOS - 5-10% performance improvement over 6.17)
|
|
- 6.17.11+ - Confirmed working (Fedora, Dec 2025)
|
|
- 6.16.5 (Fedora 42/43)
|
|
- 6.15.11-1-lts (Arch Linux)</p>
|
|
<div class="admonition success">
|
|
<p class="admonition-title">Current Recommendation</p>
|
|
<p>Use kernel <strong>6.18.x LTS</strong> for the best BC-250 performance (5-10% faster than 6.17). Alternatively, kernels <strong>6.17.11+</strong> also work well. <strong>6.19.x</strong> is the current stable branch.</p>
|
|
</div>
|
|
<h3 id="broken-kernels">Broken Kernels<a class="headerlink" href="#broken-kernels" title="Permanent link">¶</a></h3>
|
|
<div class="admonition danger">
|
|
<p class="admonition-title">Avoid These Kernel Versions</p>
|
|
<ul>
|
|
<li><strong>6.15.0 - 6.15.6:</strong> GPU initialization fails</li>
|
|
<li><strong>6.17.8 - 6.17.10:</strong> GPU driver broken (fixed in 6.17.11)</li>
|
|
</ul>
|
|
<p>These versions cause:
|
|
- Kernel panics on boot
|
|
- GPU fails to initialize
|
|
- <code>amdgpu: Failed to get gpu_info firmware</code> error
|
|
- Black screen after boot</p>
|
|
</div>
|
|
<p><strong>Known Error Messages:</strong>
|
|
<div class="language-text highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>[drm:amdgpu_discovery_init [amdgpu]] *ERROR* amdgpu_discovery_init failed
|
|
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a>amdgpu 0000:01:00.0: amdgpu: Fatal error during GPU init
|
|
</span></code></pre></div></p>
|
|
<h2 id="required-kernel-parameters">Required Kernel Parameters<a class="headerlink" href="#required-kernel-parameters" title="Permanent link">¶</a></h2>
|
|
<h3 id="basic-parameters-all-installations">Basic Parameters (All Installations)<a class="headerlink" href="#basic-parameters-all-installations" title="Permanent link">¶</a></h3>
|
|
<p>Add these to GRUB configuration:</p>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="c1"># Edit GRUB</span>
|
|
</span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a>sudo<span class="w"> </span>nano<span class="w"> </span>/etc/default/grub
|
|
</span><span id="__span-1-3"><a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a>
|
|
</span><span id="__span-1-4"><a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="c1"># Add to GRUB_CMDLINE_LINUX_DEFAULT:</span>
|
|
</span><span id="__span-1-5"><a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="nv">GRUB_CMDLINE_LINUX_DEFAULT</span><span class="o">=</span><span class="s2">"quiet amdgpu.sg_display=0"</span>
|
|
</span></code></pre></div>
|
|
<p><strong>Parameter Explanations:</strong></p>
|
|
<ul>
|
|
<li><code>quiet</code> - Reduces boot messages (optional)</li>
|
|
<li><code>amdgpu.sg_display=0</code> - <strong>Required for kernels < 6.10</strong> - disables scatter-gather display</li>
|
|
</ul>
|
|
<div class="admonition info">
|
|
<p class="admonition-title">amdgpu.sg_display</p>
|
|
<p>This parameter is only needed for kernels older than 6.10. If using 6.11+, it doesn't hurt to leave it, but it's not strictly necessary.</p>
|
|
</div>
|
|
<h3 id="performance-parameters-optional">Performance Parameters (Optional)<a class="headerlink" href="#performance-parameters-optional" title="Permanent link">¶</a></h3>
|
|
<p>Disabling CPU security mitigations provides a noticeable performance boost for gaming:</p>
|
|
<p><strong>Performance Impact of <code>mitigations=off</code>:</strong>
|
|
- +18 FPS in Cyberpunk 2077 (60 → 78 FPS at 1080p high settings)
|
|
- Reduces CPU overhead from Spectre/Meltdown mitigations
|
|
- <strong>Security trade-off:</strong> Disables CPU vulnerability mitigations</p>
|
|
<div class="admonition warning">
|
|
<p class="admonition-title">Security vs Performance</p>
|
|
<p><code>mitigations=off</code> improves performance but reduces security. Only use on dedicated gaming systems, not for systems handling sensitive data.</p>
|
|
</div>
|
|
<p><strong>Fedora/Arch/Debian (GRUB-based):</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-2-1"><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="c1"># Edit GRUB config</span>
|
|
</span><span id="__span-2-2"><a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a>sudo<span class="w"> </span>nano<span class="w"> </span>/etc/default/grub
|
|
</span><span id="__span-2-3"><a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a>
|
|
</span><span id="__span-2-4"><a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a><span class="c1"># Add mitigations=off to GRUB_CMDLINE_LINUX_DEFAULT:</span>
|
|
</span><span id="__span-2-5"><a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a><span class="nv">GRUB_CMDLINE_LINUX_DEFAULT</span><span class="o">=</span><span class="s2">"quiet amdgpu.sg_display=0 mitigations=off"</span>
|
|
</span><span id="__span-2-6"><a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></a>
|
|
</span><span id="__span-2-7"><a id="__codelineno-2-7" name="__codelineno-2-7" href="#__codelineno-2-7"></a><span class="c1"># Update GRUB</span>
|
|
</span><span id="__span-2-8"><a id="__codelineno-2-8" name="__codelineno-2-8" href="#__codelineno-2-8"></a>sudo<span class="w"> </span>grub2-mkconfig<span class="w"> </span>-o<span class="w"> </span>/boot/grub2/grub.cfg<span class="w"> </span><span class="c1"># Fedora</span>
|
|
</span><span id="__span-2-9"><a id="__codelineno-2-9" name="__codelineno-2-9" href="#__codelineno-2-9"></a>sudo<span class="w"> </span>update-grub<span class="w"> </span><span class="c1"># Debian/Ubuntu</span>
|
|
</span><span id="__span-2-10"><a id="__codelineno-2-10" name="__codelineno-2-10" href="#__codelineno-2-10"></a>sudo<span class="w"> </span>grub-mkconfig<span class="w"> </span>-o<span class="w"> </span>/boot/grub/grub.cfg<span class="w"> </span><span class="c1"># Arch</span>
|
|
</span><span id="__span-2-11"><a id="__codelineno-2-11" name="__codelineno-2-11" href="#__codelineno-2-11"></a>
|
|
</span><span id="__span-2-12"><a id="__codelineno-2-12" name="__codelineno-2-12" href="#__codelineno-2-12"></a><span class="c1"># Reboot</span>
|
|
</span><span id="__span-2-13"><a id="__codelineno-2-13" name="__codelineno-2-13" href="#__codelineno-2-13"></a>sudo<span class="w"> </span>reboot
|
|
</span></code></pre></div></p>
|
|
<p><strong>Bazzite/Fedora Atomic (rpm-ostree):</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-3-1"><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a>rpm-ostree<span class="w"> </span>kargs<span class="w"> </span>--append-if-missing<span class="o">=</span><span class="s2">"mitigations=off"</span>
|
|
</span><span id="__span-3-2"><a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a>systemctl<span class="w"> </span>reboot
|
|
</span></code></pre></div></p>
|
|
<h3 id="memory-allocation-parameters-advanced">Memory Allocation Parameters (Advanced)<a class="headerlink" href="#memory-allocation-parameters-advanced" title="Permanent link">¶</a></h3>
|
|
<p>For maximum GPU memory access (14.5-14.75GB):</p>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-4-1"><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a><span class="c1"># Add to kernel parameters</span>
|
|
</span><span id="__span-4-2"><a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a>amdgpu.gttsize<span class="o">=</span><span class="m">14750</span><span class="w"> </span>ttm.pages_limit<span class="o">=</span><span class="m">3776000</span><span class="w"> </span>ttm.page_pool_size<span class="o">=</span><span class="m">3776000</span>
|
|
</span></code></pre></div>
|
|
<div class="admonition danger">
|
|
<p class="admonition-title">Do NOT Enable IOMMU</p>
|
|
<p><strong>NEVER use <code>amd_iommu=on</code></strong> - IOMMU is broken on BC-250 and causes crashes and display failures. The memory parameters above work WITHOUT enabling IOMMU.</p>
|
|
</div>
|
|
<p><strong>Purpose:</strong>
|
|
- Allows GPU to access more system RAM
|
|
- Useful for VRAM-heavy workloads
|
|
- Alternative to increasing BIOS VRAM allocation</p>
|
|
<p><strong>Via modprobe (alternative method):</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-5-1"><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a><span class="c1"># Create /etc/modprobe.d/increase_amd_memory.conf</span>
|
|
</span><span id="__span-5-2"><a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a>sudo<span class="w"> </span>nano<span class="w"> </span>/etc/modprobe.d/increase_amd_memory.conf
|
|
</span><span id="__span-5-3"><a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a>
|
|
</span><span id="__span-5-4"><a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a><span class="c1"># Add:</span>
|
|
</span><span id="__span-5-5"><a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a>options<span class="w"> </span>ttm<span class="w"> </span><span class="nv">pages_limit</span><span class="o">=</span><span class="m">3776000</span><span class="w"> </span><span class="nv">page_pool_size</span><span class="o">=</span><span class="m">3776000</span>
|
|
</span><span id="__span-5-6"><a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></a>options<span class="w"> </span>amdgpu<span class="w"> </span><span class="nv">gttsize</span><span class="o">=</span><span class="m">14750</span>
|
|
</span><span id="__span-5-7"><a id="__codelineno-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></a>
|
|
</span><span id="__span-5-8"><a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></a><span class="c1"># Rebuild initramfs</span>
|
|
</span><span id="__span-5-9"><a id="__codelineno-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></a>sudo<span class="w"> </span>dracut<span class="w"> </span>--regenerate-all<span class="w"> </span>--force<span class="w"> </span><span class="c1"># Fedora</span>
|
|
</span><span id="__span-5-10"><a id="__codelineno-5-10" name="__codelineno-5-10" href="#__codelineno-5-10"></a>sudo<span class="w"> </span>mkinitcpio<span class="w"> </span>-P<span class="w"> </span><span class="c1"># Arch</span>
|
|
</span></code></pre></div></p>
|
|
<h3 id="installation-parameter-temporary">Installation Parameter (Temporary)<a class="headerlink" href="#installation-parameter-temporary" title="Permanent link">¶</a></h3>
|
|
<p><strong>nomodeset - Use during installation only:</strong></p>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-6-1"><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="c1"># Add temporarily at GRUB menu (press 'e' to edit)</span>
|
|
</span><span id="__span-6-2"><a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a>nomodeset
|
|
</span></code></pre></div>
|
|
<p><strong>Purpose:</strong> Disables GPU driver, allows booting with basic graphics</p>
|
|
<div class="admonition danger">
|
|
<p class="admonition-title">Remove After Installation</p>
|
|
<p>After installing Mesa drivers, <strong>remove nomodeset</strong> from GRUB. Leaving it prevents GPU acceleration.</p>
|
|
</div>
|
|
<h2 id="applying-kernel-parameters">Applying Kernel Parameters<a class="headerlink" href="#applying-kernel-parameters" title="Permanent link">¶</a></h2>
|
|
<h3 id="fedorarhel">Fedora/RHEL<a class="headerlink" href="#fedorarhel" title="Permanent link">¶</a></h3>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-7-1"><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a><span class="c1"># Edit GRUB config</span>
|
|
</span><span id="__span-7-2"><a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a>sudo<span class="w"> </span>nano<span class="w"> </span>/etc/default/grub
|
|
</span><span id="__span-7-3"><a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a>
|
|
</span><span id="__span-7-4"><a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a><span class="c1"># Update GRUB</span>
|
|
</span><span id="__span-7-5"><a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a>sudo<span class="w"> </span>grub2-mkconfig<span class="w"> </span>-o<span class="w"> </span>/boot/grub2/grub.cfg
|
|
</span><span id="__span-7-6"><a id="__codelineno-7-6" name="__codelineno-7-6" href="#__codelineno-7-6"></a>
|
|
</span><span id="__span-7-7"><a id="__codelineno-7-7" name="__codelineno-7-7" href="#__codelineno-7-7"></a><span class="c1"># Reboot</span>
|
|
</span><span id="__span-7-8"><a id="__codelineno-7-8" name="__codelineno-7-8" href="#__codelineno-7-8"></a>sudo<span class="w"> </span>reboot
|
|
</span></code></pre></div>
|
|
<h3 id="debianubuntu">Debian/Ubuntu<a class="headerlink" href="#debianubuntu" title="Permanent link">¶</a></h3>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-8-1"><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a><span class="c1"># Edit GRUB config</span>
|
|
</span><span id="__span-8-2"><a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a>sudo<span class="w"> </span>nano<span class="w"> </span>/etc/default/grub
|
|
</span><span id="__span-8-3"><a id="__codelineno-8-3" name="__codelineno-8-3" href="#__codelineno-8-3"></a>
|
|
</span><span id="__span-8-4"><a id="__codelineno-8-4" name="__codelineno-8-4" href="#__codelineno-8-4"></a><span class="c1"># Update GRUB</span>
|
|
</span><span id="__span-8-5"><a id="__codelineno-8-5" name="__codelineno-8-5" href="#__codelineno-8-5"></a>sudo<span class="w"> </span>update-grub
|
|
</span><span id="__span-8-6"><a id="__codelineno-8-6" name="__codelineno-8-6" href="#__codelineno-8-6"></a>
|
|
</span><span id="__span-8-7"><a id="__codelineno-8-7" name="__codelineno-8-7" href="#__codelineno-8-7"></a><span class="c1"># Reboot</span>
|
|
</span><span id="__span-8-8"><a id="__codelineno-8-8" name="__codelineno-8-8" href="#__codelineno-8-8"></a>sudo<span class="w"> </span>reboot
|
|
</span></code></pre></div>
|
|
<h3 id="arch-linux">Arch Linux<a class="headerlink" href="#arch-linux" title="Permanent link">¶</a></h3>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-9-1"><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a><span class="c1"># Edit GRUB config</span>
|
|
</span><span id="__span-9-2"><a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a>sudo<span class="w"> </span>nano<span class="w"> </span>/etc/default/grub
|
|
</span><span id="__span-9-3"><a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a>
|
|
</span><span id="__span-9-4"><a id="__codelineno-9-4" name="__codelineno-9-4" href="#__codelineno-9-4"></a><span class="c1"># Update GRUB</span>
|
|
</span><span id="__span-9-5"><a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a>sudo<span class="w"> </span>grub-mkconfig<span class="w"> </span>-o<span class="w"> </span>/boot/grub/grub.cfg
|
|
</span><span id="__span-9-6"><a id="__codelineno-9-6" name="__codelineno-9-6" href="#__codelineno-9-6"></a>
|
|
</span><span id="__span-9-7"><a id="__codelineno-9-7" name="__codelineno-9-7" href="#__codelineno-9-7"></a><span class="c1"># Reboot</span>
|
|
</span><span id="__span-9-8"><a id="__codelineno-9-8" name="__codelineno-9-8" href="#__codelineno-9-8"></a>sudo<span class="w"> </span>reboot
|
|
</span></code></pre></div>
|
|
<h3 id="temporary-boot-parameters">Temporary Boot Parameters<a class="headerlink" href="#temporary-boot-parameters" title="Permanent link">¶</a></h3>
|
|
<p>To test parameters without permanently changing configuration:</p>
|
|
<ol>
|
|
<li>Reboot system</li>
|
|
<li>At GRUB menu, press <strong>e</strong> to edit boot entry</li>
|
|
<li>Find line starting with <code>linux</code> or <code>linuxefi</code></li>
|
|
<li>Add parameters to end of line</li>
|
|
<li>Press <strong>Ctrl+X</strong> to boot with modified parameters</li>
|
|
</ol>
|
|
<h2 id="gpu-frequency-voltage-management-advanced">GPU Frequency & Voltage Management (Advanced)<a class="headerlink" href="#gpu-frequency-voltage-management-advanced" title="Permanent link">¶</a></h2>
|
|
<p>The cyan-skillfish-governor tools enable manual GPU frequency and voltage tuning on supported systems.</p>
|
|
<p><strong>Installation (Fedora/Bazzite):</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-10-1"><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>copr<span class="w"> </span><span class="nb">enable</span><span class="w"> </span>filippor/bazzite
|
|
</span><span id="__span-10-2"><a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>cyan-skillfish-governor-tt
|
|
</span></code></pre></div></p>
|
|
<p><strong>Important:</strong> After installation, verify the governor is targeting the correct GPU device:</p>
|
|
<ul>
|
|
<li>Check which card is BC-250: <code>ls -la /sys/class/drm/ | grep card</code></li>
|
|
<li>The governor may target card0 or card1 depending on your system</li>
|
|
<li>If governor settings don't apply, you may need to manually specify the correct card in configuration</li>
|
|
</ul>
|
|
<p><strong>Emerging Alternative — SMU Governor:</strong></p>
|
|
<p>Some distributions (notably CachyOS) support <code>cyan-skillfish-governor-smu</code> as an alternative that works without kernel patches.</p>
|
|
<p><strong>Note:</strong> GPU frequency management is optional and intended for advanced users. Default clocks are stable for most workloads.</p>
|
|
<p>For detailed setup instructions, see the <a href="../../system/governor/">GPU Governor Setup guide</a>.</p>
|
|
<h2 id="kernel-management">Kernel Management<a class="headerlink" href="#kernel-management" title="Permanent link">¶</a></h2>
|
|
<h3 id="checking-current-kernel">Checking Current Kernel<a class="headerlink" href="#checking-current-kernel" title="Permanent link">¶</a></h3>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-11-1"><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a><span class="c1"># Display kernel version</span>
|
|
</span><span id="__span-11-2"><a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a>uname<span class="w"> </span>-r
|
|
</span><span id="__span-11-3"><a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a>
|
|
</span><span id="__span-11-4"><a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a><span class="c1"># Example output: 6.14.4-104.fc42.x86_64</span>
|
|
</span></code></pre></div>
|
|
<h3 id="installing-specific-kernel-version">Installing Specific Kernel Version<a class="headerlink" href="#installing-specific-kernel-version" title="Permanent link">¶</a></h3>
|
|
<p><strong>Fedora:</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-12-1"><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a><span class="c1"># List available kernels</span>
|
|
</span><span id="__span-12-2"><a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a>dnf<span class="w"> </span>list<span class="w"> </span>kernel<span class="w"> </span>--showduplicates
|
|
</span><span id="__span-12-3"><a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a>
|
|
</span><span id="__span-12-4"><a id="__codelineno-12-4" name="__codelineno-12-4" href="#__codelineno-12-4"></a><span class="c1"># Install specific version</span>
|
|
</span><span id="__span-12-5"><a id="__codelineno-12-5" name="__codelineno-12-5" href="#__codelineno-12-5"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>kernel-6.14.4-104
|
|
</span><span id="__span-12-6"><a id="__codelineno-12-6" name="__codelineno-12-6" href="#__codelineno-12-6"></a>
|
|
</span><span id="__span-12-7"><a id="__codelineno-12-7" name="__codelineno-12-7" href="#__codelineno-12-7"></a><span class="c1"># Set as default in GRUB if needed</span>
|
|
</span><span id="__span-12-8"><a id="__codelineno-12-8" name="__codelineno-12-8" href="#__codelineno-12-8"></a>sudo<span class="w"> </span>grub2-set-default<span class="w"> </span><span class="s2">"Fedora Linux (6.14.4-104)"</span>
|
|
</span></code></pre></div></p>
|
|
<p><strong>Arch Linux:</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-13-1"><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a><span class="c1"># Install LTS kernel</span>
|
|
</span><span id="__span-13-2"><a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a>sudo<span class="w"> </span>pacman<span class="w"> </span>-S<span class="w"> </span>linux-lts<span class="w"> </span>linux-lts-headers
|
|
</span><span id="__span-13-3"><a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a>
|
|
</span><span id="__span-13-4"><a id="__codelineno-13-4" name="__codelineno-13-4" href="#__codelineno-13-4"></a><span class="c1"># Set as default in bootloader</span>
|
|
</span></code></pre></div></p>
|
|
<h3 id="holding-kernel-version">Holding Kernel Version<a class="headerlink" href="#holding-kernel-version" title="Permanent link">¶</a></h3>
|
|
<p>To prevent automatic updates to problematic kernel versions:</p>
|
|
<p><strong>Fedora:</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-14-1"><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a><span class="c1"># Install versionlock plugin</span>
|
|
</span><span id="__span-14-2"><a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>python3-dnf-plugin-versionlock
|
|
</span><span id="__span-14-3"><a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a>
|
|
</span><span id="__span-14-4"><a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></a><span class="c1"># Lock kernel at current version</span>
|
|
</span><span id="__span-14-5"><a id="__codelineno-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>versionlock<span class="w"> </span>add<span class="w"> </span>kernel
|
|
</span><span id="__span-14-6"><a id="__codelineno-14-6" name="__codelineno-14-6" href="#__codelineno-14-6"></a>
|
|
</span><span id="__span-14-7"><a id="__codelineno-14-7" name="__codelineno-14-7" href="#__codelineno-14-7"></a><span class="c1"># List locked packages</span>
|
|
</span><span id="__span-14-8"><a id="__codelineno-14-8" name="__codelineno-14-8" href="#__codelineno-14-8"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>versionlock<span class="w"> </span>list
|
|
</span><span id="__span-14-9"><a id="__codelineno-14-9" name="__codelineno-14-9" href="#__codelineno-14-9"></a>
|
|
</span><span id="__span-14-10"><a id="__codelineno-14-10" name="__codelineno-14-10" href="#__codelineno-14-10"></a><span class="c1"># Remove lock</span>
|
|
</span><span id="__span-14-11"><a id="__codelineno-14-11" name="__codelineno-14-11" href="#__codelineno-14-11"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>versionlock<span class="w"> </span>delete<span class="w"> </span>kernel
|
|
</span></code></pre></div></p>
|
|
<p><strong>Arch Linux:</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-15-1"><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a><span class="c1"># Edit pacman.conf</span>
|
|
</span><span id="__span-15-2"><a id="__codelineno-15-2" name="__codelineno-15-2" href="#__codelineno-15-2"></a>sudo<span class="w"> </span>nano<span class="w"> </span>/etc/pacman.conf
|
|
</span><span id="__span-15-3"><a id="__codelineno-15-3" name="__codelineno-15-3" href="#__codelineno-15-3"></a>
|
|
</span><span id="__span-15-4"><a id="__codelineno-15-4" name="__codelineno-15-4" href="#__codelineno-15-4"></a><span class="c1"># Add under [options]:</span>
|
|
</span><span id="__span-15-5"><a id="__codelineno-15-5" name="__codelineno-15-5" href="#__codelineno-15-5"></a><span class="nv">IgnorePkg</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>linux
|
|
</span><span id="__span-15-6"><a id="__codelineno-15-6" name="__codelineno-15-6" href="#__codelineno-15-6"></a>
|
|
</span><span id="__span-15-7"><a id="__codelineno-15-7" name="__codelineno-15-7" href="#__codelineno-15-7"></a><span class="c1"># Save and exit</span>
|
|
</span></code></pre></div></p>
|
|
<p><strong>Debian:</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-16-1"><a id="__codelineno-16-1" name="__codelineno-16-1" href="#__codelineno-16-1"></a><span class="c1"># Hold kernel package</span>
|
|
</span><span id="__span-16-2"><a id="__codelineno-16-2" name="__codelineno-16-2" href="#__codelineno-16-2"></a>sudo<span class="w"> </span>apt-mark<span class="w"> </span>hold<span class="w"> </span>linux-image-6.14.11-amd64
|
|
</span><span id="__span-16-3"><a id="__codelineno-16-3" name="__codelineno-16-3" href="#__codelineno-16-3"></a>
|
|
</span><span id="__span-16-4"><a id="__codelineno-16-4" name="__codelineno-16-4" href="#__codelineno-16-4"></a><span class="c1"># Unhold</span>
|
|
</span><span id="__span-16-5"><a id="__codelineno-16-5" name="__codelineno-16-5" href="#__codelineno-16-5"></a>sudo<span class="w"> </span>apt-mark<span class="w"> </span>unhold<span class="w"> </span>linux-image-6.14.11-amd64
|
|
</span></code></pre></div></p>
|
|
<h3 id="removing-broken-kernel">Removing Broken Kernel<a class="headerlink" href="#removing-broken-kernel" title="Permanent link">¶</a></h3>
|
|
<p>If kernel 6.15.0-6.15.6 or 6.17.8-6.17.10 was installed and causes issues:</p>
|
|
<p><strong>Fedora:</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-17-1"><a id="__codelineno-17-1" name="__codelineno-17-1" href="#__codelineno-17-1"></a><span class="c1"># Boot into working kernel from GRUB menu</span>
|
|
</span><span id="__span-17-2"><a id="__codelineno-17-2" name="__codelineno-17-2" href="#__codelineno-17-2"></a><span class="c1"># Remove broken kernel (example: 6.17.9)</span>
|
|
</span><span id="__span-17-3"><a id="__codelineno-17-3" name="__codelineno-17-3" href="#__codelineno-17-3"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>remove<span class="w"> </span>kernel-6.17.9<span class="se">\*</span>
|
|
</span><span id="__span-17-4"><a id="__codelineno-17-4" name="__codelineno-17-4" href="#__codelineno-17-4"></a>
|
|
</span><span id="__span-17-5"><a id="__codelineno-17-5" name="__codelineno-17-5" href="#__codelineno-17-5"></a><span class="c1"># Or remove broken 6.17.8-6.17.10 kernels</span>
|
|
</span><span id="__span-17-6"><a id="__codelineno-17-6" name="__codelineno-17-6" href="#__codelineno-17-6"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>remove<span class="w"> </span><span class="s1">'kernel-6.17.[8-9]*'</span><span class="w"> </span><span class="s1">'kernel-6.17.10*'</span>
|
|
</span><span id="__span-17-7"><a id="__codelineno-17-7" name="__codelineno-17-7" href="#__codelineno-17-7"></a>
|
|
</span><span id="__span-17-8"><a id="__codelineno-17-8" name="__codelineno-17-8" href="#__codelineno-17-8"></a><span class="c1"># Verify removal</span>
|
|
</span><span id="__span-17-9"><a id="__codelineno-17-9" name="__codelineno-17-9" href="#__codelineno-17-9"></a>dnf<span class="w"> </span>list<span class="w"> </span>installed<span class="w"> </span>kernel
|
|
</span></code></pre></div></p>
|
|
<p><strong>Arch Linux:</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-18-1"><a id="__codelineno-18-1" name="__codelineno-18-1" href="#__codelineno-18-1"></a><span class="c1"># Boot into working kernel</span>
|
|
</span><span id="__span-18-2"><a id="__codelineno-18-2" name="__codelineno-18-2" href="#__codelineno-18-2"></a><span class="c1"># Remove problematic kernel</span>
|
|
</span><span id="__span-18-3"><a id="__codelineno-18-3" name="__codelineno-18-3" href="#__codelineno-18-3"></a>sudo<span class="w"> </span>pacman<span class="w"> </span>-R<span class="w"> </span>linux<span class="w"> </span><span class="c1"># if on broken version</span>
|
|
</span><span id="__span-18-4"><a id="__codelineno-18-4" name="__codelineno-18-4" href="#__codelineno-18-4"></a>
|
|
</span><span id="__span-18-5"><a id="__codelineno-18-5" name="__codelineno-18-5" href="#__codelineno-18-5"></a><span class="c1"># Install known-good kernel</span>
|
|
</span><span id="__span-18-6"><a id="__codelineno-18-6" name="__codelineno-18-6" href="#__codelineno-18-6"></a>sudo<span class="w"> </span>pacman<span class="w"> </span>-S<span class="w"> </span>linux-lts<span class="w"> </span><span class="c1"># 6.12 or 6.14 LTS</span>
|
|
</span><span id="__span-18-7"><a id="__codelineno-18-7" name="__codelineno-18-7" href="#__codelineno-18-7"></a><span class="c1"># or</span>
|
|
</span><span id="__span-18-8"><a id="__codelineno-18-8" name="__codelineno-18-8" href="#__codelineno-18-8"></a>sudo<span class="w"> </span>pacman<span class="w"> </span>-S<span class="w"> </span>linux<span class="w"> </span><span class="c1"># check version is 6.15.7-6.17.7</span>
|
|
</span></code></pre></div></p>
|
|
<h2 id="kernel-patches-for-bc-250">Kernel Patches for BC-250<a class="headerlink" href="#kernel-patches-for-bc-250" title="Permanent link">¶</a></h2>
|
|
<h3 id="gpu-frequency-range-patch">GPU Frequency Range Patch<a class="headerlink" href="#gpu-frequency-range-patch" title="Permanent link">¶</a></h3>
|
|
<p><strong>Purpose:</strong> Enables extended frequency range (350 MHz - 2230 MHz) instead of default (1000-2000 MHz)</p>
|
|
<p><strong>Distributions with Patch Included:</strong>
|
|
- Bazzite (pre-applied)
|
|
- PikaOS (pre-applied)</p>
|
|
<p><strong>Manual Patching:</strong></p>
|
|
<p>Required for:
|
|
- Fedora
|
|
- Arch Linux
|
|
- Debian
|
|
- Other distributions</p>
|
|
<p><strong>Patch Application (Advanced):</strong></p>
|
|
<ol>
|
|
<li>Download BC-250 frequency patch</li>
|
|
<li>Apply to kernel source</li>
|
|
<li>Compile custom kernel</li>
|
|
<li>Install and boot</li>
|
|
</ol>
|
|
<p>[Detailed patching guide available in community resources]</p>
|
|
<p><strong>Alternative:</strong> Use distributions with patch pre-applied (Bazzite, PikaOS)</p>
|
|
<h3 id="tkg-kernel-arch-based">TKG Kernel (Arch-based)<a class="headerlink" href="#tkg-kernel-arch-based" title="Permanent link">¶</a></h3>
|
|
<p>For Arch users, linux-tkg provides easy custom kernel building:</p>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-19-1"><a id="__codelineno-19-1" name="__codelineno-19-1" href="#__codelineno-19-1"></a>git<span class="w"> </span>clone<span class="w"> </span>https://github.com/Frogging-Family/linux-tkg
|
|
</span><span id="__span-19-2"><a id="__codelineno-19-2" name="__codelineno-19-2" href="#__codelineno-19-2"></a><span class="nb">cd</span><span class="w"> </span>linux-tkg
|
|
</span><span id="__span-19-3"><a id="__codelineno-19-3" name="__codelineno-19-3" href="#__codelineno-19-3"></a>
|
|
</span><span id="__span-19-4"><a id="__codelineno-19-4" name="__codelineno-19-4" href="#__codelineno-19-4"></a><span class="c1"># Create patch directory</span>
|
|
</span><span id="__span-19-5"><a id="__codelineno-19-5" name="__codelineno-19-5" href="#__codelineno-19-5"></a>mkdir<span class="w"> </span>linux612-tkg-userpatches
|
|
</span><span id="__span-19-6"><a id="__codelineno-19-6" name="__codelineno-19-6" href="#__codelineno-19-6"></a>
|
|
</span><span id="__span-19-7"><a id="__codelineno-19-7" name="__codelineno-19-7" href="#__codelineno-19-7"></a><span class="c1"># Place BC-250 patch in directory</span>
|
|
</span><span id="__span-19-8"><a id="__codelineno-19-8" name="__codelineno-19-8" href="#__codelineno-19-8"></a>
|
|
</span><span id="__span-19-9"><a id="__codelineno-19-9" name="__codelineno-19-9" href="#__codelineno-19-9"></a><span class="c1"># Run installer</span>
|
|
</span><span id="__span-19-10"><a id="__codelineno-19-10" name="__codelineno-19-10" href="#__codelineno-19-10"></a>./install.sh<span class="w"> </span>install
|
|
</span><span id="__span-19-11"><a id="__codelineno-19-11" name="__codelineno-19-11" href="#__codelineno-19-11"></a>
|
|
</span><span id="__span-19-12"><a id="__codelineno-19-12" name="__codelineno-19-12" href="#__codelineno-19-12"></a><span class="c1"># Select Linux 6.12 LTS during setup</span>
|
|
</span></code></pre></div>
|
|
<p><strong>Benefits:</strong>
|
|
- Easy kernel customization
|
|
- Includes performance optimizations
|
|
- BC-250 patch integration</p>
|
|
<p><strong>Compilation Time:</strong>
|
|
- Full compile: ~45 minutes
|
|
- With modprobed-db: ~8 minutes</p>
|
|
<h2 id="kernel-troubleshooting">Kernel Troubleshooting<a class="headerlink" href="#kernel-troubleshooting" title="Permanent link">¶</a></h2>
|
|
<h3 id="gpu-not-detected-after-kernel-update">GPU Not Detected After Kernel Update<a class="headerlink" href="#gpu-not-detected-after-kernel-update" title="Permanent link">¶</a></h3>
|
|
<p><strong>Symptoms:</strong>
|
|
- Black screen after boot
|
|
- <code>lspci | grep VGA</code> shows device but driver not loading
|
|
- <code>dmesg | grep amdgpu</code> shows errors</p>
|
|
<p><strong>Solution:</strong>
|
|
1. Boot into older kernel from GRUB (hold Shift at boot)
|
|
2. Remove newer kernel
|
|
3. Hold kernel version
|
|
4. Report issue to distribution</p>
|
|
<h3 id="system-boots-but-no-gpu-acceleration">System Boots But No GPU Acceleration<a class="headerlink" href="#system-boots-but-no-gpu-acceleration" title="Permanent link">¶</a></h3>
|
|
<p><strong>Check:</strong>
|
|
<div class="language-bash highlight"><pre><span></span><code><span id="__span-20-1"><a id="__codelineno-20-1" name="__codelineno-20-1" href="#__codelineno-20-1"></a><span class="c1"># Is amdgpu module loaded?</span>
|
|
</span><span id="__span-20-2"><a id="__codelineno-20-2" name="__codelineno-20-2" href="#__codelineno-20-2"></a>lsmod<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>amdgpu
|
|
</span><span id="__span-20-3"><a id="__codelineno-20-3" name="__codelineno-20-3" href="#__codelineno-20-3"></a>
|
|
</span><span id="__span-20-4"><a id="__codelineno-20-4" name="__codelineno-20-4" href="#__codelineno-20-4"></a><span class="c1"># Check for errors</span>
|
|
</span><span id="__span-20-5"><a id="__codelineno-20-5" name="__codelineno-20-5" href="#__codelineno-20-5"></a>dmesg<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>-i<span class="w"> </span>amdgpu
|
|
</span><span id="__span-20-6"><a id="__codelineno-20-6" name="__codelineno-20-6" href="#__codelineno-20-6"></a>
|
|
</span><span id="__span-20-7"><a id="__codelineno-20-7" name="__codelineno-20-7" href="#__codelineno-20-7"></a><span class="c1"># Verify rendering</span>
|
|
</span><span id="__span-20-8"><a id="__codelineno-20-8" name="__codelineno-20-8" href="#__codelineno-20-8"></a>glxinfo<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span><span class="s2">"OpenGL renderer"</span>
|
|
</span><span id="__span-20-9"><a id="__codelineno-20-9" name="__codelineno-20-9" href="#__codelineno-20-9"></a><span class="c1"># Should NOT show "llvmpipe"</span>
|
|
</span></code></pre></div></p>
|
|
<p><strong>Possible Causes:</strong>
|
|
- <code>nomodeset</code> still in GRUB config
|
|
- Missing kernel parameters
|
|
- Mesa not installed</p>
|
|
<h3 id="kernel-panic-on-boot">Kernel Panic on Boot<a class="headerlink" href="#kernel-panic-on-boot" title="Permanent link">¶</a></h3>
|
|
<p><strong>Symptoms:</strong>
|
|
- System crashes during boot
|
|
- Kernel panic message</p>
|
|
<p><strong>Most Common Cause:</strong> Kernel 6.15.0-6.15.6 or 6.17.8-6.17.10</p>
|
|
<p><strong>Solution:</strong>
|
|
1. Boot into working kernel (hold Shift, select previous kernel)
|
|
2. Remove problematic kernel version
|
|
3. Lock kernel version to prevent auto-update</p>
|
|
<h2 id="kernel-version-matrix">Kernel Version Matrix<a class="headerlink" href="#kernel-version-matrix" title="Permanent link">¶</a></h2>
|
|
<table>
|
|
<thead>
|
|
<tr>
|
|
<th>Kernel Version</th>
|
|
<th>Status</th>
|
|
<th>Notes</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>6.10.x</td>
|
|
<td>⚠️ Works</td>
|
|
<td><code>amdgpu.sg_display=0</code> required</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.11.x</td>
|
|
<td>✅ Good</td>
|
|
<td>Mesa 25.1+ required</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.12.x LTS</td>
|
|
<td>✅ Good</td>
|
|
<td>Stable fallback</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.13.x</td>
|
|
<td>✅ Good</td>
|
|
<td>Stable</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.14.x LTS</td>
|
|
<td>✅ Good</td>
|
|
<td>Well-tested</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.15.0-6.15.6</td>
|
|
<td>❌ <strong>Broken</strong></td>
|
|
<td>GPU init fails</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.15.7-6.15.x</td>
|
|
<td>✅ <strong>Recommended</strong></td>
|
|
<td>Kernel support fixed</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.16.x</td>
|
|
<td>✅ <strong>Recommended</strong></td>
|
|
<td>Full compatibility</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.17.0-6.17.7</td>
|
|
<td>✅ <strong>Recommended</strong></td>
|
|
<td>Good support</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.17.8-6.17.10</td>
|
|
<td>❌ <strong>Broken</strong></td>
|
|
<td>GPU driver broken</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.17.11+</td>
|
|
<td>✅ <strong>Recommended</strong></td>
|
|
<td>Kernel fix applied</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.18.x LTS</td>
|
|
<td>✅ <strong>Best</strong></td>
|
|
<td>5-10% faster than 6.17 (CachyOS Jan 2026)</td>
|
|
</tr>
|
|
<tr>
|
|
<td>6.19.x</td>
|
|
<td>✅ <strong>Current Stable</strong></td>
|
|
<td>Latest stable branch</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
<h2 id="see-also">See Also<a class="headerlink" href="#see-also" title="Permanent link">¶</a></h2>
|
|
<ul>
|
|
<li><a href="../mesa/">Mesa Driver Installation</a></li>
|
|
<li><a href="../distributions/">Distribution Comparison</a></li>
|
|
<li><a href="../../system/governor/">System Configuration</a></li>
|
|
<li><a href="../../troubleshooting/display/">Troubleshooting Guide</a></li>
|
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</ul>
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