[Bug 1939349] Re: frequent hangs with latest hirsute kernel (nvidia graphics)

If you want to try going back to 5.11.0-16-generic, you can install the
nvidia-dkms-$flavour package for your NVIDIA driver, and, assuming you
are using secure boot, let DKMS enroll its own key.

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https://bugs.launchpad.net/bugs/1939349

Title:
frequent hangs with latest hirsute kernel (nvidia graphics)

Status in linux package in Ubuntu:
New

Bug description:
After upgrading to the latest kernel, I am experiencing frequent
kernel hangs. The system does not respond to Alt+SysRq, and I have to
power it off.

In some cases the hang happens before X has even been launched at
boot.

When it hangs, the fan spins up to full speed.

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: linux-image-5.11.0-25-generic 5.11.0-25.27
ProcVersionSignature: Ubuntu 5.11.0-25.27-generic 5.11.22
Uname: Linux 5.11.0-25-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu65.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: vorlon 10452 F.... pulseaudio
/dev/snd/controlC0: vorlon 10452 F.... pulseaudio
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Mon Aug 9 14:15:58 2021
InstallationDate: Installed on 2019-12-23 (594 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: LENOVO 20QVCTO1WW
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_di672m@/vmlinuz-5.11.0-25-generic root=ZFS=rpool/ROOT/ubuntu_di672m ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-5.11.0-25-generic N/A
linux-backports-modules-5.11.0-25-generic N/A
linux-firmware 1.197.2
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/17/2019
dmi.bios.release: 1.27
dmi.bios.vendor: LENOVO
dmi.bios.version: N2OET40W (1.27 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20QVCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0R32862 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.19
dmi.modalias: dmi:bvnLENOVO:bvrN2OET40W(1.27):bd10/17/2019:br1.27:efr1.19:svnLENOVO:pn20QVCTO1WW:pvrThinkPadX1Extreme2nd:rvnLENOVO:rn20QVCTO1WW:rvrSDK0R32862WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad X1 Extreme 2nd
dmi.product.name: 20QVCTO1WW
dmi.product.sku: LENOVO_MT_20QV_BU_Think_FM_ThinkPad X1 Extreme 2nd
dmi.product.version: ThinkPad X1 Extreme 2nd
dmi.sys.vendor: LENOVO

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