Public bug reported:
System freezes completely requiring hard power button reboot (10+ seconds).
Occurs multiple times per day during normal developer workload.
Findings in journal logs:
1. Kernel page faults (Mai 18 15:43:36):
BUG: unable to handle page fault for address: ffff89be403f53a0
BUG: unable to handle page fault for address: fffffffffffffff8
BUG: unable to handle page fault for address: 00000000015e8410
2. iwlwifi NMI_INTERRUPT_HOST (Mai 18 15:43:39):
Device error - SW reset
Hardware restart was requested
(disable_11ax=1 workaround already applied, issue persists)
3. Chrome segfault following kernel bugs (Mai 18 15:43:41):
chrome[7862]: segfault at 6c
Hardware: HP ZBook Firefly 14 inch G11 Mobile Workstation PC
CPU: Intel Core Ultra 7 155H
GPU: Intel Arc (MTL) - integrated
Kernel: 6.17.0-29-generic
BIOS: W70 Ver. 01.09.01
Ubuntu: 24.04.4 LTS
Journal files attached.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.17.0-29-generic 6.17.0-29.29~24.04.1
ProcVersionSignature: Ubuntu 6.17.0-29.29~24.04.1-generic 6.17.13
Uname: Linux 6.17.0-29-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: joel 3386 F.... wireplumber
/dev/snd/controlC0: joel 3382 F.... pipewire
joel 3386 F.... wireplumber
/dev/snd/seq: joel 3382 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Tue May 19 08:59:43 2026
InstallationDate: Installed on 2025-12-02 (168 days ago)
InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64
(20250805.1)
MachineType: HP HP ZBook Firefly 14 inch G11 Mobile Workstation PC
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-29-generic
root=UUID=874ad6a4-15a3-47c5-b304-ec06fe81a9fa ro quiet splash nmi_watchdog=1
hardlockup_panic=1 crashkernel=auto
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.17.0-29-generic N/A
linux-backports-modules-6.17.0-29-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.27
SourcePackage: linux-hwe-6.17
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/02/2026
dmi.bios.release: 9.1
dmi.bios.vendor: HP
dmi.bios.version: W70 Ver. 01.09.01
dmi.board.name: 8CD1
dmi.board.vendor: HP
dmi.board.version: KBC Version 02.55.00
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.ec.firmware.release: 2.85
dmi.modalias:
dmi:bvnHP:bvrW70Ver.01.09.01:bd03/02/2026:br9.1:efr2.85:svnHP:pnHPZBookFirefly14inchG11MobileWorkstationPC:pvrSBKPFV3:rvnHP:rn8CD1:rvrKBCVersion02.55.00:cvnHP:ct10:cvr:sku98N41ET#UUZ:
dmi.product.family: 103C_5336AN HP ZBook
dmi.product.name: HP ZBook Firefly 14 inch G11 Mobile Workstation PC
dmi.product.sku: 98N41ET#UUZ
dmi.product.version: SBKPFV3
dmi.sys.vendor: HP
** Affects: linux-hwe-6.17 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
** Attachment added: "Journal before freeze"
https://bugs.launchpad.net/bugs/2153114/+attachment/5971461/+files/prevjournal.txt
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https://bugs.launchpad.net/bugs/2153114
Title:
Kernel page faults and iwlwifi NMI crashes causing system freeze on HP
ZBook Firefly 14 G11
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