mirror of
https://github.com/ps5-linux/ps5-linux-image.git
synced 2026-07-15 21:42:27 +00:00
74f978b1bb
Bazzite's /usr/bin/dnf is a 1KB bash wrapper that intercepts install/remove args and prints a docs URL pointing at rpm-ostree unless it detects a container or a dev-mode ostree deployment. Our kexec-booted install has neither: the image build wipes /sysroot/ostree/deploy/ + masks rpm-ostreed, so dnf install <anything> prints the URL and exits 1. Since ostree is gone the guard has no purpose here; point dnf at dnf5 directly so 'dnf install linux-ps5' works Fedora-style.
402 lines
18 KiB
Bash
Executable File
402 lines
18 KiB
Bash
Executable File
#!/bin/bash
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# distros/bazzite/build-rootfs.sh — fetch the uBlue OCI image and prep $CHROOT.
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# Called from docker/image-builder/entrypoint.sh for DISTRO=bazzite*.
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#
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# Bazzite is an OCI atomic image; we bypass distrobuilder entirely.
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# DISTRO=bazzite -> ghcr.io/ublue-os/bazzite:stable
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# DISTRO=bazzite-deck -> ghcr.io/ublue-os/bazzite-deck:stable
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#
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# Expects in env: DISTRO, CHROOT, KVER
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# Expects on disk: /kernel-debs/*.rpm (linux-ps5 RPM), /repo/distros/bazzite/{grow-rootfs,grow-rootfs.service}
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set -ex
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: "${CHROOT:?ERROR: \$CHROOT unset/empty}"
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[ -d "$CHROOT" ] || { echo "ERROR: \$CHROOT=$CHROOT not a directory"; exit 2; }
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case "$CHROOT" in /) echo "ERROR: refuse to operate on /"; exit 2 ;; esac
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# Bazzite is an OCI atomic image; bypass distrobuilder entirely.
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# DISTRO=bazzite -> ghcr.io/ublue-os/bazzite:stable
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# DISTRO=bazzite-deck -> ghcr.io/ublue-os/bazzite-deck:stable
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# Anything else after `bazzite-` is treated as the same uBlue
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# image-name pattern (bazzite-gnome, bazzite-nvidia, ...).
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case "$DISTRO" in
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bazzite) REF="ghcr.io/ublue-os/bazzite:stable" ;;
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bazzite-*) REF="ghcr.io/ublue-os/${DISTRO}:stable" ;;
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*) REF="ghcr.io/ublue-os/bazzite:stable" ;;
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esac
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echo "=== Bazzite: skopeo copy $REF ==="
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OCI=$(mktemp -d)
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skopeo copy --override-os linux --override-arch amd64 \
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"docker://$REF" "oci:$OCI:bazzite"
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echo "=== umoci unpack -> $CHROOT ==="
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UNPACK=$(mktemp -d)
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umoci unpack --keep-dirlinks --image "$OCI:bazzite" "$UNPACK"
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# umoci layout: $UNPACK/{config.json, rootfs/}
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mv "$UNPACK/rootfs"/* "$CHROOT/" 2>/dev/null || true
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mv "$UNPACK/rootfs"/.[!.]* "$CHROOT/" 2>/dev/null || true
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rm -rf "$UNPACK" "$OCI"
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# ostree convention: /usr/etc holds the defaults; /etc is empty in
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# the image. Promote /usr/etc to /etc so the system boots normally.
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if [ -d "$CHROOT/usr/etc" ]; then
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cp -an "$CHROOT/usr/etc/." "$CHROOT/etc/" || true
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rm -rf "$CHROOT/usr/etc"
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fi
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# Stage PS5 kernel RPMs + grow-rootfs. /opt and /home are ostree
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# symlinks in Bazzite, /var is a real dir — drop staging files there.
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mkdir -p "$CHROOT/var/cache/ps5-rpms"
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cp /kernel-debs/*.rpm "$CHROOT/var/cache/ps5-rpms/"
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# /usr/local is a symlink to /var/usrlocal in ostree-based systems;
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# mkdir the target before cp to avoid following-symlink-on-missing.
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mkdir -p "$CHROOT/var/usrlocal/sbin"
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cp /repo/distros/bazzite/grow-rootfs "$CHROOT/var/usrlocal/sbin/grow-rootfs"
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chmod +x "$CHROOT/var/usrlocal/sbin/grow-rootfs"
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cp /repo/distros/bazzite/grow-rootfs.service "$CHROOT/etc/systemd/system/grow-rootfs.service"
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# Force NetworkManager wifi backend off iwd back to wpa_supplicant. Bazzite
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# defaults to iwd; iwd is incompatible with the PS5 NXP IW620 mwifiex driver
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# (no SSIDs scanned, NM hangs). wpa_supplicant works out of the box.
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mkdir -p "$CHROOT/etc/NetworkManager/conf.d"
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cat > "$CHROOT/etc/NetworkManager/conf.d/00-no-iwd.conf" <<'NMCONF'
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[device]
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wifi.backend=wpa_supplicant
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NMCONF
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# Chroot in: disable ostree stack, install PS5 kernel, user setup.
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# Trap to always umount, even if the chroot script exits early.
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cleanup_bazzite_mounts() {
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for m in dev sys proc; do
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mountpoint -q "$CHROOT/$m" && umount "$CHROOT/$m" || true
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done
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}
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trap cleanup_bazzite_mounts RETURN ERR EXIT
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mount --bind /proc "$CHROOT/proc"
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mount --bind /sys "$CHROOT/sys"
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mount --bind /dev "$CHROOT/dev"
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# Bazzite has no /etc/resolv.conf inside the chroot (symlink target
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# doesn't exist yet) — provide a working one so dnf can reach mirrors.
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rm -f "$CHROOT/etc/resolv.conf"
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cp /etc/resolv.conf "$CHROOT/etc/resolv.conf"
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chroot "$CHROOT" /bin/bash -e <<"BAZIN"
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# Disable rpm-ostree services — we're a flat fs now.
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systemctl mask rpm-ostreed.service rpm-ostree-countme.service rpm-ostree-bootstatus.service 2>/dev/null || true
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# Bazzite ships /usr/bin/dnf as a shell wrapper that refuses `install` /
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# `remove` unless it detects a container or a dev-mode ostree deployment
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# (points users at rpm-ostree instead). Neither condition holds on our
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# flat-fs kexec-booted install, so `dnf install` prints a docs URL and
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# exits 1. Replace the wrapper with a direct dnf5 symlink — with ostree
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# gone the guard has no purpose here.
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if [ -f /usr/bin/dnf ] && head -1 /usr/bin/dnf | grep -q "^#!.*bash"; then
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rm -f /usr/bin/dnf
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ln -s dnf5 /usr/bin/dnf
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fi
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# Drop the embedded ostree object store + deploy tree. With
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# rpm-ostree masked, the running rootfs is the flat OCI
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# extract — /sysroot/ostree/repo/objects/ is a deduplicated
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# second copy of the same content (~5GB+), and /ostree/
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# deploy/ holds yet another. Wiping them shrinks the disk
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# image roughly in half. Leave the dir skeleton in case
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# anything probes for it.
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rm -rf /sysroot/ostree/repo/objects \
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/sysroot/ostree/repo/refs \
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/sysroot/ostree/deploy
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mkdir -p /sysroot/ostree/repo/objects \
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/sysroot/ostree/repo/refs/heads
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# Bazzite/rpm-ostree convention: /root is a symlink to
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# /var/roothome which doesn't exist in the OCI extract.
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# dracut's hostonly enumeration follows the symlink, hits
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# ENOENT, fails with `dracut-install: ERROR: installing '/root'`.
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# Make /root a real dir so dracut + the kernel postinst's own
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# dracut call both work.
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mkdir -p /var/roothome
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if [ -L /root ]; then
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rm -f /root
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mkdir -m 0700 /root
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fi
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# Install PS5 kernel via rpm --replacefiles (handles the file-
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# level conflict between our /usr/include/* headers and
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# Bazzite's kernel-headers; see fedora image.yaml comment).
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# Bazzite ships kernel modules as a dir; our rpm wants a symlink.
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rm -rf /lib/modules/*
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rpm -Uvh --replacefiles --replacepkgs --nodeps /var/cache/ps5-rpms/*.rpm
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rm -rf /var/cache/ps5-rpms
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# cyan_skillfish (PS5 Oberon) GPU firmware MUST land in the
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# rootfs uncompressed. The linux-ps5 amdgpu patches write into
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# the request_firmware() buffer to skip Sony's signature header
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# (gfx_v10_0_early_init + amdgpu_sdma_init_microcode). Firmware
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# loaded from a .xz file is decompressed into pages the kernel
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# maps PAGE_KERNEL_RO (fw_decompress_xz_pages -> fw_map_paged_buf
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# -> vmap PAGE_KERNEL_RO), so the write oopses amdgpu at
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# gfx_v10_0_early_init+0x415 and /dev/dri never appears.
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# Distros that ship .zst (arch) or raw .bin (debian) decompress
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# into writable buffers and are unaffected — this fix is for
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# the rpm path only. linux-firmware dedupes blobs as symlinks
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# (mec2 -> mec) and unxz refuses symlinks, so materialize the
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# link targets first while the canonical .xz still exists.
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# Upstream did this same fix in
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# github.com/ps5-linux/ps5-linux-image@ed54e99 — same kernel
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# patches, same firmware, same failure mode.
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cd /usr/lib/firmware/amdgpu
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for f in cyan_skillfish*.xz; do
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if [ -L "$f" ]; then
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tgt=$(readlink -f "$f")
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rm "$f"
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xz -dc "$tgt" > "${f%.xz}"
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fi
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done
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unxz cyan_skillfish*.xz
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cd /
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# Pre-configure repo.etawen.dev so users can
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# `dnf upgrade linux-ps5` after first boot. Per-package
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# gpgcheck=0 (alien-converted RPMs aren't per-package
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# signed); repodata IS signed by the mia PGP key.
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cat > /etc/yum.repos.d/etawen-ps5.repo <<ETAWEN
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[etawen-ps5]
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name=Etawen PS5 kernel repo
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baseurl=https://repo.etawen.dev/rpm/
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enabled=1
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gpgcheck=0
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repo_gpgcheck=1
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gpgkey=https://repo.etawen.dev/key.asc
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ETAWEN
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# amdgpu options — PS5 Oberon GPU needs dpm disabled or HDMI
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# stays dark. Must land in initramfs (amdgpu loads early).
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mkdir -p /etc/modprobe.d
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cat > /etc/modprobe.d/ps5-amdgpu.conf <<AMDGPU
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options amdgpu dpm=0 gpu_recovery=0
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AMDGPU
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# Build the initrd, then deploy bzImage+initrd to /boot/efi/
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# for the PS5 kexec loader. (zz-update-boot is the deb-flow
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# helper; bazzite never stages it, so we inline the copies.)
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KVER=$(ls -1t /lib/modules | head -1)
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dracut -f --kver "$KVER" "/boot/initrd.img-$KVER"
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mkdir -p /boot/efi
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cp "/boot/vmlinuz-$KVER" /boot/efi/bzImage
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cp "/boot/initrd.img-$KVER" /boot/efi/initrd.img
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# Suppress first-boot wizards. plasma-setup.service runs on every
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# boot until /etc/plasma-setup-done exists, and its bootutil
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# rewrites SDDM autologin to User=plasma-setup (clobbering our
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# User=ps5) and starts the Plasma OOBE wizard, which prompts the
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# user to create a fresh account. Our build pre-creates ps5; the
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# wizard is unwanted.
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touch /etc/plasma-setup-done
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systemctl mask plasma-setup.service 2>/dev/null || true
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# bazzite-hardware-setup.service runs on every boot until the
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# marker files in /etc/bazzite/ match the image-info.json. Seed
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# them so the script exits at its early-return; also mask it
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# outright since the script calls `rpm-ostree kargs` which fails
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# against our masked rpm-ostreed. The script's other work
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# (zram, IOMMU karg, hw-specific kargs) isn't applicable on PS5
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# anyway — we set our own cmdline in /boot/efi/cmdline.txt.
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mkdir -p /etc/bazzite
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jq -r '."image-name"' < /usr/share/ublue-os/image-info.json > /etc/bazzite/image_name
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jq -r '."image-branch"' < /usr/share/ublue-os/image-info.json > /etc/bazzite/image_branch
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jq -r '."fedora-version"' < /usr/share/ublue-os/image-info.json > /etc/bazzite/fedora_version
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grep -oP '^HWS_VER=\K[0-9]+' /usr/libexec/bazzite-hardware-setup > /etc/bazzite/hws_version
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systemctl mask bazzite-hardware-setup.service 2>/dev/null || true
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# User setup. Bazzite exposes video/audio/input/render via
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# systemd-userdbd, so `getent group video` returns a row —
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# and `groupadd -f` short-circuits as "already exists" and
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# does nothing. But useradd reads /etc/group directly (no
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# NSS), sees an empty file, and bails with "group X does not
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# exist". Materialize each group into /etc/group ourselves,
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# preserving the NSS-assigned GID when there is one so
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# existing file ownerships in the rootfs stay correct.
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passwd -l root
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# Ensure /etc/gshadow exists with the right perms; useradd
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# refuses to "prepare new entry" silently if it's missing.
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[ -e /etc/gshadow ] || { touch /etc/gshadow; chmod 0 /etc/gshadow; }
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for g in wheel video audio input render; do
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if ! grep -q "^${g}:" /etc/group; then
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gid=$(getent group "$g" 2>/dev/null | cut -d: -f3 || true)
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if [ -z "$gid" ]; then
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# Pick the next free system gid (100-999).
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gid=$(awk -F: 'BEGIN{m=100} $3>=100 && $3<1000 && $3>m {m=$3} END{print m+1}' /etc/group)
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fi
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echo "${g}:x:${gid}:" >> /etc/group
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fi
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# Always make sure /etc/gshadow has a row.
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grep -q "^${g}:" /etc/gshadow || echo "${g}:!::" >> /etc/gshadow
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done
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if ! id ps5 >/dev/null 2>&1; then
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useradd -m -s /bin/bash -G wheel,video,audio,input,render ps5
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fi
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echo "ps5:ps5" | chpasswd
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sed -i 's/^# %wheel ALL=(ALL:ALL) ALL/%wheel ALL=(ALL:ALL) ALL/' /etc/sudoers || true
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# Install pieces Bazzite's slim OCI image is missing.
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# cloud-utils-growpart + parted: grow-rootfs needs growpart
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# and partprobe — without them the rootfs stays sized to
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# the build image (~10GB) on whatever USB it lands on.
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# plasma-systemmonitor + ksystemstats: standard Plasma
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# "System Monitor" app. Bazzite's container drops it.
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# kdiff3 / gwenview / ark / okular / spectacle: rest of
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# the Plasma utilities most people expect.
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# chrony: NTP. PS5's RTC is wrong on boot; without an NTP
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# client the system clock is years off and TLS breaks.
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dnf install -y --setopt=install_weak_deps=False \
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cloud-utils-growpart parted \
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plasma-systemmonitor ksystemstats \
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kdiff3 gwenview ark okular spectacle \
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chrony \
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|| echo "WARN: dnf install failed; some pkgs may be missing"
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# Services
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systemctl enable grow-rootfs.service NetworkManager sshd 2>/dev/null || true
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# Time sync. Prefer systemd-timesyncd if present (lighter);
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# fall back to chrony (which we just dnf-installed).
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systemctl enable systemd-timesyncd 2>/dev/null \
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|| systemctl enable chronyd 2>/dev/null || true
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# Virtual terminals. Bazzite's preset disables getty@tty2-6;
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# explicitly enable them so Ctrl+Alt+F2..F6 give text consoles.
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for n in 2 3 4 5 6; do
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systemctl enable getty@tty${n}.service 2>/dev/null || true
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done
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# Default DM (Bazzite ships KDE Plasma + SDDM)
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systemctl enable sddm 2>/dev/null || systemctl enable gdm 2>/dev/null || true
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# resolv.conf -> systemd-resolved stub
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rm -f /etc/resolv.conf
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ln -sf /run/systemd/resolve/stub-resolv.conf /etc/resolv.conf
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# Steam Deck UI's "Switch to Desktop" button calls SteamOS-
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# Manager's SetTemporarySession(s) dbus method, which writes
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# Session=<bare-alias> (literally "desktop"/"gamescope") into
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# /etc/sddm.conf.d/zzt-steamos-temp-login.conf. That conf
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# sorts AFTER zz-steamos-autologin.conf so it wins precedence
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# at autologin time — but SDDM has no `desktop.desktop`
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# session to resolve the alias to, so the button silently
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# no-ops and the user stays on gamescope. (The bash
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# steamos-session-select tool works fine because it resolves
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# aliases itself before writing — only the dbus path is
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# broken.) Fix it with alias symlinks SDDM can follow.
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for cand in plasma-steamos-wayland-oneshot.desktop \
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gnome-wayland-oneshot.desktop plasma.desktop; do
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if [ -e "/usr/share/wayland-sessions/$cand" ]; then
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ln -sf "$cand" /usr/share/wayland-sessions/desktop.desktop
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break
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fi
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done
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for cand in gamescope-session.desktop gamescope-session-plus.desktop; do
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if [ -e "/usr/share/wayland-sessions/$cand" ]; then
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ln -sf "$cand" /usr/share/wayland-sessions/gamescope.desktop
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break
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fi
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done
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# Autologin straight into Bazzite's gamescope session (Steam
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# Big-Picture / Deck UI) — Bazzite is gaming-focused, and a
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# field report said it landed on the Plasma desktop instead
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# of gamemode. Pick whichever gamescope session file exists,
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# fall back to plasma if Bazzite stripped them.
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mkdir -p /etc/sddm.conf.d
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SESSION=plasma
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for s in gamescope-session-plus.desktop gamescope-session.desktop steam-wayland.desktop; do
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if [ -e "/usr/share/wayland-sessions/$s" ] || [ -e "/usr/share/xsessions/$s" ]; then
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SESSION="${s%.desktop}"
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break
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fi
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done
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cat > /etc/sddm.conf.d/autologin.conf <<SDDM
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[Autologin]
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User=ps5
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Session=$SESSION
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SDDM
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# Gamescope-session fallback. Field report: bazzite-deck boots
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# to a black screen on PS5 because gamescope can't grab the
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# display (PSP/TA + Salina HDMI bridge weirdness — workaround
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# is `steamos-session-select plasma` from a VT). Automate it:
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# first-boot oneshot waits 60s for a gamescope process; if
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# nothing shows up, flip the session to plasma and bounce
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# SDDM. Only arm this when the chosen session is gamescope-
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# flavoured. After first boot the user owns session choice
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# via the standard steamos-session-select tool + the desktop
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# shortcut we drop below.
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case "$SESSION" in gamescope*|steam-wayland*)
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mkdir -p /usr/local/sbin /etc/systemd/system/graphical.target.wants
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cat > /usr/local/sbin/ps5-gamescope-recovery <<'POKE'
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#!/bin/bash
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# Wait up to 60s for gamescope to actually grab a display. If it doesn't,
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# the user is staring at a black screen — fall back to plasma and bounce
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# the display manager so they get a usable login session.
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for _ in $(seq 1 60); do
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sleep 1
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pgrep -x gamescope >/dev/null 2>&1 && exit 0
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done
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logger -t ps5-gamescope-recovery "gamescope didn't start within 60s, switching to plasma"
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runuser -u ps5 -- steamos-session-select plasma 2>/dev/null \
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|| sed -i 's/^Session=.*/Session=plasma/' /etc/sddm.conf.d/autologin.conf
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systemctl restart sddm
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POKE
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chmod +x /usr/local/sbin/ps5-gamescope-recovery
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cat > /etc/systemd/system/ps5-gamescope-recovery.service <<RECOV
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[Unit]
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Description=Fall back to plasma if gamescope can't grab a display (first boot)
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After=graphical.target
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ConditionFirstBoot=yes
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[Service]
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Type=oneshot
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ExecStart=/usr/local/sbin/ps5-gamescope-recovery
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RemainAfterExit=no
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[Install]
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WantedBy=graphical.target
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RECOV
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ln -sf ../ps5-gamescope-recovery.service \
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/etc/systemd/system/graphical.target.wants/ps5-gamescope-recovery.service
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# Desktop shortcut so the user can opt back into gamescope
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# after a recovery (or after switching to plasma manually).
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mkdir -p /home/ps5/Desktop
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cat > /home/ps5/Desktop/Switch-to-Gamescope.desktop <<DESK
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[Desktop Entry]
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Version=1.0
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Type=Application
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Name=Switch to Gamescope (Big Picture)
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Comment=Switch the autologin session back to gamescope / Steam Deck UI
|
|
Exec=bash -c 'steamos-session-select gamescope && systemctl restart sddm'
|
|
Icon=steam
|
|
Terminal=false
|
|
Categories=System;
|
|
DESK
|
|
chmod +x /home/ps5/Desktop/Switch-to-Gamescope.desktop
|
|
chown -R ps5:ps5 /home/ps5/Desktop 2>/dev/null || \
|
|
chown -R 1000:1000 /home/ps5/Desktop
|
|
;;
|
|
esac
|
|
|
|
# DTM TA race workaround. amdgpu's display-topology TA
|
|
# (Trusted Application) loads async via PSP; if DRM probes
|
|
# connectors before that finishes, you get
|
|
# [drm] Failed to add display topology, DTM TA is not initialized
|
|
# and the screen stays dark until the user manually toggles
|
|
# VT (ctrl+alt+F7 -> ctrl+alt+F1) which forces a re-probe.
|
|
# Mimic that automatically: after amdgpu binds, wait a beat
|
|
# then re-trigger DRM connector detection.
|
|
mkdir -p /usr/local/sbin /etc/udev/rules.d
|
|
cat > /usr/local/sbin/ps5-amdgpu-reprobe <<'POKE'
|
|
#!/bin/sh
|
|
# Wait for PSP/TA firmware to settle, then re-probe DRM connectors.
|
|
# Equivalent of the ctrl+alt+F7 / ctrl+alt+F1 dance.
|
|
(
|
|
sleep 3
|
|
for c in /sys/class/drm/card*-*/status; do
|
|
[ -w "$c" ] && echo detect > "$c"
|
|
done
|
|
) &
|
|
POKE
|
|
chmod +x /usr/local/sbin/ps5-amdgpu-reprobe
|
|
cat > /etc/udev/rules.d/70-ps5-amdgpu-reprobe.rules <<'UDEV'
|
|
# Re-trigger DRM hotplug after amdgpu binds, so the DTM TA-not-initialized
|
|
# race doesn't leave the user with a dark screen until they manually VT-cycle.
|
|
SUBSYSTEM=="drm", ACTION=="add", KERNEL=="card[0-9]*", RUN+="/usr/local/sbin/ps5-amdgpu-reprobe"
|
|
UDEV
|
|
BAZIN
|
|
# explicit cleanup (the trap covers the failure path)
|
|
cleanup_bazzite_mounts
|
|
trap - RETURN ERR EXIT
|