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fix: update version numbers to March 2026 reality

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- Kernel: 6.18.18 LTS (recommended), 6.19.8 stable (PCIe issues),
  7.0-rc4 mainline added. Updated kernel compatibility table.
- Fedora: 42 marked as EOL everywhere, 43 is current, 44 Beta mentioned
- Mesa: 25.x in Fedora 43, 26.0 on Debian sid. Removed Fedora 42
  mesa-git COPR instructions.
- Updated kernel install examples to use 6.18.18 instead of 6.14/6.16
- Added 6.19.x PCIe warning across all relevant pages
This commit is contained in:
Martin
2026-03-18 23:46:15 +01:00
parent 2356227c0d
commit 6ecde49315
17 changed files with 115 additions and 122 deletions
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17
docs/troubleshooting/display.md
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@@ -102,7 +102,7 @@ After booting with nomodeset:
```bash
# Install drivers (distro-specific)
# Fedora 42/43 - Mesa 25.1+ included in repos:
# Fedora 43 - Mesa 25.1+ included in repos:
sudo dnf update
sudo dnf install mesa-vulkan-drivers mesa-dri-drivers
@@ -146,16 +146,15 @@ If kernel is 6.15.0-6.15.6 or 6.17.8-6.17.10:
```bash
# Install working kernel
# Fedora:
sudo dnf install kernel-6.16.5-* # or any 6.15.7-6.17.7 version
# Or for LTS stability:
sudo dnf install kernel-6.14.x
sudo dnf install kernel-6.18.18-* # current LTS, recommended
# Or: sudo dnf install kernel-6.17.11+
# Update GRUB to use working kernel as default
sudo grub2-mkconfig -o /boot/grub2/grub.cfg
```
!!!danger "Broken Kernel Versions"
Kernel 6.15.0-6.15.6 and 6.17.8-6.17.10 have driver incompatibility with BC-250. Use 6.15.7-6.17.7, 6.17.11+, or 6.18.x for best performance, or 6.12-6.14 LTS for stability.
Kernel 6.15.0-6.15.6 and 6.17.8-6.17.10 have driver incompatibility with BC-250. Use 6.18.18 LTS (recommended) or 6.17.11+ for best performance.
---
@@ -428,19 +427,19 @@ dmesg | grep -i iommu
- Now no display after boot
**Cause:**
Kernel 6.15.0-6.15.6 and 6.17.8-6.17.10 have driver incompatibility with BC-250.
Kernel 6.15.0-6.15.6 and 6.17.8-6.17.10 have driver incompatibility with BC-250. Use 6.18.18 LTS or 6.17.11+.
**Solution:**
Boot working kernel:
1. At GRUB, select "Advanced options"
2. Select kernel in 6.15.7-6.17.7 range (if available) or 6.12-6.14 LTS
2. Select kernel 6.18.x LTS, 6.17.11+, or 6.12-6.14 LTS
3. Boot
Make working kernel default:
```bash
# Fedora:
sudo grubby --set-default /boot/vmlinuz-6.16.x # or 6.14.x for LTS
sudo grubby --set-default /boot/vmlinuz-6.18.* # 6.18.18 LTS recommended
# Or remove broken kernel entirely
sudo dnf remove kernel-6.15.5\* kernel-6.17.8\* # example versions
@@ -574,7 +573,7 @@ vulkaninfo | grep deviceName
## FAQ
**Q: Display worked yesterday, now doesn't. What changed?**
A: Check if kernel updated (`uname -r`). If now on 6.15.0-6.15.6 or 6.17.8-6.17.10, boot working kernel (6.17.11+, 6.18.x, or 6.12-6.14 LTS).
A: Check if kernel updated (`uname -r`). If now on 6.15.0-6.15.6 or 6.17.8-6.17.10, boot working kernel (6.18.18 LTS or 6.17.11+).
**Q: Can I use HDMI directly?**
A: No, board only has DisplayPort. Must use DP cable or adapter.