Public bug reported:
After updating the kernel from 5.14.0-1005 to 5.14.0-1007 on ubuntu20.04, if
you unload the driver with the following command, the command will be forcibly
terminated and the driver cannot be unloaded.
Can be unloaded with 5.14.0-1005 without any problem
sudo modprob -s -r amdgpu
Driver information in lsmod
-----
sudo lsmod |grep amdgpu
amdgpu 7049216 -1
iommu_v2 24576 1 amdgpu
gpu_sched 36864 1 amdgpu
drm_ttm_helper 16384 1 amdgpu
ttm 73728 2 amdgpu,drm_ttm_helper
drm_kms_helper 258048 1 amdgpu
drm 557056 6
gpu_sched,drm_kms_helper,amdgpu,drm_ttm_helper,ttm
i2c_algo_bit 16384 2 igb,amdgpu
-----
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-modules-5.14.0-1007-oem 5.14.0-1007.7
ProcVersionSignature: Ubuntu 5.14.0-1007.7-oem 5.14.14
Uname: Linux 5.14.0-1007-oem x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: LXQt
Date: Mon Nov 29 13:46:48 2021
InstallationDate: Installed on 2019-07-24 (858 days ago)
InstallationMedia: Ubuntu-Server 19.04 "Disco Dingo" - Release amd64
(20190416.1)
SourcePackage: linux-oem-5.14
UpgradeStatus: Upgraded to focal on 2020-05-02 (575 days ago)
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1952568
Title:
AMD GPU kernel driver unload error
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