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fix(kiosk): laptop eDP corruption — i915 stability params + panel-sized Chromium window

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ThinkPad X250 (Broadwell HD 5500) internal panels show horizontal corruption
bands at the kiosk; known i915 eDP power-feature issue. Boot installed and
live systems with i915.enable_ips=0 enable_psr=0 enable_fbc=0 (no-ops off
Intel, nothing lost on a kiosk). Debug boot entries stay stock for A/B.
Also size the Chromium kiosk window from the detected mode instead of a
hardcoded 1920x1080 that clips on 1366x768 panels.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Dorian
2026-07-13 21:59:41 +01:00
co-authored by Claude Fable 5
parent 7a08ed6687
commit 7e996d6244
2 changed files with 15 additions and 4 deletions
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image-recipe/_archived/build-auto-installer-iso.sh
+6 -3
View File
@@ -2979,7 +2979,10 @@ if [ -d "$BOOT_MEDIA/archipelago/plymouth-theme" ]; then
ln -sf /usr/share/plymouth/themes/archipelago/archipelago.plymouth \
/mnt/target/etc/alternatives/default.plymouth 2>/dev/null || true
# Configure clean boot: splash, suppress kernel noise, hide cursor
sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT=".*"/GRUB_CMDLINE_LINUX_DEFAULT="quiet splash loglevel=0 rd.systemd.show_status=false vt.global_cursor_default=0 acpi=force"/' \
# i915.enable_ips/psr/fbc=0: Broadwell-era eDP panels (e.g. ThinkPad X250
# HD 5500) show horizontal corruption bands with these power features on;
# a kiosk box gains nothing from them. Harmless no-ops on non-Intel.
sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT=".*"/GRUB_CMDLINE_LINUX_DEFAULT="quiet splash loglevel=0 rd.systemd.show_status=false vt.global_cursor_default=0 acpi=force i915.enable_ips=0 i915.enable_psr=0 i915.enable_fbc=0"/' \
/mnt/target/etc/default/grub 2>/dev/null || true
echo " Installed Archipelago Plymouth theme on target"
fi
@@ -3479,7 +3482,7 @@ else
fi
menuentry "Install Archipelago" --hotkey=i {
linux ($root)/live/vmlinuz boot=live components quiet splash loglevel=0 rd.systemd.show_status=false vt.global_cursor_default=0 acpi=force console=ttyS0,115200 console=tty0
linux ($root)/live/vmlinuz boot=live components quiet splash loglevel=0 rd.systemd.show_status=false vt.global_cursor_default=0 acpi=force i915.enable_ips=0 i915.enable_psr=0 i915.enable_fbc=0 console=ttyS0,115200 console=tty0
initrd ($root)/live/initrd.img
}
@@ -3547,7 +3550,7 @@ DEFAULT install
LABEL install
MENU LABEL Install Archipelago
KERNEL /live/vmlinuz
APPEND initrd=/live/initrd.img boot=live components quiet loglevel=0 rd.systemd.show_status=false vt.global_cursor_default=0 acpi=force
APPEND initrd=/live/initrd.img boot=live components quiet loglevel=0 rd.systemd.show_status=false vt.global_cursor_default=0 acpi=force i915.enable_ips=0 i915.enable_psr=0 i915.enable_fbc=0
MENU DEFAULT
LABEL install-verbose