[Bug 2138592] Re: Periodic/random soft lockup leading to system freeze

Hi Alex, thanks for the logs, there are many things we need to analyze
in them, we'll come back to you as soon as possible.

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https://bugs.launchpad.net/bugs/2138592

Title:
Periodic/random soft lockup leading to system freeze

Status in linux package in Ubuntu:
New
Status in linux source package in Questing:
Triaged

Bug description:
Seemingly at random moments the system completely freezes and full
reset is required. This started to happen after moving from AMD GPU to
Nvidia. I've tried proposed repo to get access to 590 drivers (using
open kernel version). BIOS has been updated to latest version.

In attached ubuntu-report-syslog.txt is a compilation of syslog
entries.

Some stats:

```
grep RIP ubuntu-report-syslog.txt | grep 0010 | sed -e 's/^.*0010://' | cut -d+ -f 1 | sort | uniq -c
1 _raw_spin_unlock_irq
13 _raw_spin_unlock_irqrestore
27 aq_hw_read_reg
2 aq_hw_read_reg_bit
4 cpuidle_enter_state
2 handle_softirqs
6 native_sched_clock
3 osDevReadReg032
6 path_noexec
33 pci_mmcfg_read
1 queue_delayed_work_on
```

ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: linux-headers-6.17.0-8-generic 6.17.0-8.8
ProcVersionSignature: Ubuntu 6.17.0-8.8-generic 6.17.2
Uname: Linux 6.17.0-8-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Jan 19 00:53:39 2026
InstallationDate: Installed on 2025-09-28 (112 days ago)
InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
MachineType: ASUS System Product Name
ProcFB: 0 nvidia-drmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_fczopo@/vmlinuz-6.17.0-8-generic root=ZFS=rpool/ROOT/ubuntu_fczopo ro quiet splash crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M vt.handoff=1
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
firmware-sof N/A
linux-firmware 20250901.git993ff19b-0ubuntu1.5
SourcePackage: linux
UpgradeStatus: Upgraded to questing on 2025-10-31 (79 days ago)
dmi.bios.date: 11/12/2025
dmi.bios.release: 18.4
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1804
dmi.board.asset.tag: Default string
dmi.board.name: ROG CROSSHAIR X870E EXTREME
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1804:bd11/12/2025:br18.4:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnROGCROSSHAIRX870EEXTREME:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: ASUS

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