The AMGPU patch captured in 5.14.0-1007 was added to uvd_v6_0_hw_fini. but in 5.16-rc3 it is the code added to uvd_v6_0_suspend, so the backport location may be wrong.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1952568 Title: AMD GPU kernel driver unload error Status in linux-oem-5.14 package in Ubuntu: New Bug description: 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) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-oem-5.14/+bug/1952568/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp