Public bug reported:
The display collapsed into a small rectangle of random pixels and stopped
showing mouse or keyboard activity. The machine did not complete a blind
shutdown and required a forced power-off.
Kernel: 6.17.0-1030-oem
OEM package: oem-somerville-delcatty-meta
GPU: Intel 8086:7d67, driven by i915
BIOS: Dell 1.15.2 dated 2026-05-26
The previous-boot journal contains:
- BUG: TASK stack guard page was hit
- repeated #DF stack guard page oopses
- i915 GuC CT Failed to process request 6000 (-EOPNOTSUPP)
- [CRTC:88:pipe A] PLANE ATS fault
- repeated kernel BUG at kernel/entry/common.c:218
No MCE, EDAC memory error, PCIe AER error, or other explicit hardware-error
report was found.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.17.0-1030-oem 6.17.0-1030.30
ProcVersionSignature: Ubuntu 6.17.0-1030.30-oem 6.17.13
Uname: Linux 6.17.0-1030-oem x86_64
ApportVersion: 2.28.2-0ubuntu0.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jforbes 2790 F.... pipewire
jforbes 2795 F.... wireplumber
/dev/snd/pcmC0D3p: jforbes 2790 F...m pipewire
/dev/snd/seq: jforbes 2790 F.... pipewire
CRDA: N/A
CasperMD5CheckMismatches: ./casper/initrd
./casper/minimal.standard.live.hotfix.manifest
./casper/minimal.standard.live.hotfix.size ./casper/minimal.standard.live.size
./casper/minimal.manifest ./casper/minimal.standard.manifest
./casper/minimal.standard.size ./casper/minimal.hotfix.size
./casper/minimal.standard.live.hotfix.squashfs
./casper/minimal.standard.hotfix.squashfs ./casper/minimal.standard.hotfix.size
./casper/minimal.hotfix.squashfs ./casper/minimal.standard.live.manifest
./casper/minimal.size ./boot/grub/grub.cfg
CasperMD5CheckResult: fail
CurrentDesktop: ubuntu:GNOME
Date: Thu Jul 30 09:48:15 2026
DistributionChannelDescriptor:
# This is the distribution channel descriptor for Ubuntu 24.04 for Dell
# For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-noble-oem-24.04c-20251211-116
InstallationDate: Installed on 2026-06-13 (48 days ago)
InstallationMedia: Ubuntu OEM 24.04.3 LTS "Noble Numbat" - Release amd64
(20251210)
IwConfig:
lo no wireless extensions.
enp128s31f6 no wireless extensions.
wlp131s0f0 no wireless extensions.
MachineType: Dell Inc. Dell Pro Max Tower T2 FCT2250
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-1030-oem
root=UUID=6df00fbe-685d-492c-ab14-25bc081cb67f ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-6.17.0-1030-oem N/A
linux-backports-modules-6.17.0-1030-oem N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.27
SourcePackage: linux-oem-6.17
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/26/2026
dmi.bios.release: 1.15
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.15.2
dmi.board.name: 02RY37
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.ec.firmware.release: 1.19
dmi.modalias:
dmi:bvnDellInc.:bvr1.15.2:bd05/26/2026:br1.15:efr1.19:svnDellInc.:pnDellProMaxTowerT2FCT2250:pvr:rvnDellInc.:rn02RY37:rvrA01:cvnDellInc.:ct3:cvr:sku0CE1:
dmi.product.family: Dell Pro Max Desktops
dmi.product.name: Dell Pro Max Tower T2 FCT2250
dmi.product.sku: 0CE1
dmi.sys.vendor: Dell Inc.
** Affects: linux-oem-6.17 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
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https://bugs.launchpad.net/bugs/2162366
Title:
Dell Pro Max Tower T2: i915 PLANE ATS fault followed by TASK stack
guard and #DF on 6.17.0-1030-oem
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