Public bug reported:
Environment
Hardware: XMG Focus 17 M25, NVIDIA RTX 5070 Ti (full 140-150W variant)
Kernel (broken): linux-image-7.0.0-31-generic
Kernel (working): linux-image-7.0.0-30-generic
GPU driver: nvidia-driver-580-open, version 580.173.02, DKMS-built cleanly for
both kernel versions
Desktop environments installed: GNOME, KDE Plasma, XFCE
Symptom
Machine reboots abruptly with no warning while running kernel 7.0.0-31
journalctl -b -1 ends without any clean shutdown/reboot log entries
Occurred multiple times in short succession (boots lasting ~2-3 minutes each)
shortly after a kernel/driver update
occurred on a freshly booted, idle system (ruled out thermal throttling via
sensors / kernel thermal zone logs, which showed nothing abnormal)
Under GNOME (Wayland) and KDE Plasma, the system crashed
Under XFCE (X11, minimal), the system ran stably on the same kernel
Downgraded/pinned to linux-image-7.0.0-30-generic (apt-mark hold on
linux-image-generic-hwe-26.04, linux-generic-hwe-26.04, linux-headers-
generic-hwe-26.04). System has been stable since.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-30-generic 7.0.0-30.30
ProcVersionSignature: Ubuntu 7.0.0-30.30-generic 7.0.12
Uname: Linux 7.0.0-30-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: KDE
Date: Thu Sep 10 21:06:00 2026
InstallationDate: Installed on 2026-08-28 (13 days ago)
InstallationMedia: Ubuntu 26.04.1 LTS "Resolute Raccoon" - Release amd64
(20260826)
MachineType: SchenkerTechnologiesGmbH XMG FOCUS 17 (M25)
ProcFB: 0 nvidia-drmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-7.0.0-30-generic
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash intel_idle.max_cstate=1
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/19/2026
dmi.bios.release: 7.9
dmi.bios.vendor: INSYDE Corp.
dmi.bios.version: 1.07.09RTR4
dmi.board.asset.tag: Tag 12345
dmi.board.name: V3xxSNx
dmi.board.vendor: NB01
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: SchenkerTechnologiesGmbH
dmi.chassis.version: N/A
dmi.ec.firmware.release: 9.4
dmi.modalias:
dmi:bvnINSYDECorp.:bvr1.07.09RTR4:bd03/19/2026:br7.9:efr9.4:svnSchenkerTechnologiesGmbH:pnXMGFOCUS17(M25):pvrNotApplicable:rvnNB01:rnV3xxSNx:rvrNotApplicable:cvnSchenkerTechnologiesGmbH:ct10:cvrN/A:skuXFO17M25:pfa:
dmi.product.name: XMG FOCUS 17 (M25)
dmi.product.sku: XFO17M25
dmi.product.version: Not Applicable
dmi.sys.vendor: SchenkerTechnologiesGmbH
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2167012
Title:
System performs hard reset shortly after boot with kernel
7.0.0-31-generic
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