It appears to be a problem with AMD GPU. This extract from my dmesg may help.
Jan 5 10:13:12 zen kernel: [ 1.254538] [drm] Initialized amdgpu 3.41.0 20150101 for 0000:08:00.0 on minor 0 Jan 5 10:13:12 zen kernel: [ 4.288402] amdgpu 0000:08:00.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on comp_1.0.0 (-110). Jan 5 10:13:12 zen kernel: [ 5.312412] amdgpu 0000:08:00.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on comp_1.1.0 (-110). Jan 5 10:13:12 zen kernel: [ 6.336406] amdgpu 0000:08:00.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on comp_1.2.0 (-110). Jan 5 10:13:12 zen kernel: [ 7.360406] amdgpu 0000:08:00.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on comp_1.3.0 (-110). Jan 5 10:13:12 zen kernel: [ 8.384398] amdgpu 0000:08:00.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on comp_1.0.1 (-110). Jan 5 10:13:12 zen kernel: [ 9.408571] amdgpu 0000:08:00.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on comp_1.1.1 (-110). Jan 5 10:13:12 zen kernel: [ 10.432387] amdgpu 0000:08:00.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on comp_1.2.1 (-110). Jan 5 10:13:12 zen kernel: [ 11.456393] amdgpu 0000:08:00.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on comp_1.3.1 (-110). Jan 5 10:13:12 zen kernel: [ 11.470776] [drm:amdgpu_device_delayed_init_work_handler [amdgpu]] *ERROR* ib ring test failed (-110). Jan 5 10:13:12 zen kernel: [ 12.335164] snd_hda_intel 0000:08:00.1: bound 0000:08:00.0 (ops amdgpu_dm_audio_component_bind_ops [amdgpu]) Jan 5 10:13:12 zen kernel: [ 13.581573] amdgpu 0000:08:00.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=none:owns=none Jan 5 10:13:33 zen kernel: [ 33.874402] amdgpu 0000:08:00.0: amdgpu: failed to write reg 28b4 wait reg 28c6 Jan 5 10:13:53 zen kernel: [ 54.142888] amdgpu 0000:08:00.0: amdgpu: failed to write reg 1a6f4 wait reg 1a706 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1956408 Title: Ubuntu 21.10 very slow after kernel update to 5.13.0-23-generic Status in linux package in Ubuntu: Confirmed Bug description: After updating the kernel to 5.13.0-23-generic, everything seems very very slow. The operating system takes a long time to reach the desktop, applications like google chrome, telegram take a long time to open. Till now, out of the 4 times I have started ubuntu using kernel 5.13.0-23-generic, 3 times everything was slow, and 1 time things were normal and fast as usual. My processor is AMD Ryzen 3500u. lsb_release -rd Description: Ubuntu 21.10 Release: 21.10 ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: linux-image-5.13.0-23-generic 5.13.0-23.23 ProcVersionSignature: Ubuntu 5.13.0-23.23-generic 5.13.19 Uname: Linux 5.13.0-23-generic x86_64 ApportVersion: 2.20.11-0ubuntu71 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: soumadeepsarkar1 1671 F.... pulseaudio /dev/snd/controlC0: soumadeepsarkar1 1671 F.... pulseaudio CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Wed Jan 5 09:38:49 2022 InstallationDate: Installed on 2021-12-06 (29 days ago) InstallationMedia: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012) MachineType: HP HP Laptop 15s-eq0xxx ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-23-generic root=UUID=7e493e25-d42c-4448-beec-66294ac825d3 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.13.0-23-generic N/A linux-backports-modules-5.13.0-23-generic N/A linux-firmware 1.201.3 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/15/2021 dmi.bios.release: 15.53 dmi.bios.vendor: AMI dmi.bios.version: F.53 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 86FD dmi.board.vendor: HP dmi.board.version: 99.42 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.ec.firmware.release: 99.42 dmi.modalias: dmi:bvnAMI:bvrF.53:bd10/15/2021:br15.53:efr99.42:svnHP:pnHPLaptop15s-eq0xxx:pvr:rvnHP:rn86FD:rvr99.42:cvnHP:ct10:cvrChassisVersion:sku440L6PA#ACJ: dmi.product.family: 103C_5335KV HP Notebook dmi.product.name: HP Laptop 15s-eq0xxx dmi.product.sku: 440L6PA#ACJ dmi.sys.vendor: HP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1956408/+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
