I was ready to update with the fact that Kernel 5.9 and 5.10 have seemed largely stable when the first full release of 5.10, which I had been running for a while without problems, managed to lock up. For the first time it has provided an error message that may be useful though. I am attaching a photo of the screen, but the message text was:
♦♦♦♦♦♦♦♦♦♦[50545.326736] [drm:amdgpu_job_timeout [amdgpu]] *ERROR* ring sdma0 timeout, signaled seq=283155, emitted seq=283157 [50545.326825] [drm:amdgpu_job_timeout [amdgpu]] *ERROR* Process information: process pid 0 thread pid 0 I've grabbed dmesg, dmesg.0, syslog, syslog.1 and the outputs of journalctl -b-1 and journalctl | grep systemd-sleep in case they are needed, but systemd-analyze blame is failing because apport- autoreport.service is still running for some reason (not that the output of that is captured in my script for this). ** Attachment added: "Error message screenshot" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1928600/+attachment/5509158/+files/amdgpu_error.jpg -- 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/1928600 Title: [amdgpu] Gnome locks up with artifacts on screen and [drm:amdgpu_dm_commit_planes [amdgpu]] *ERROR* Waiting for fences timed out! Status in linux package in Ubuntu: Incomplete Bug description: With this hardware configuration this issue has been a problem only when suspending or resuming from suspend under 20.04. Having decided to upgrade through 20.10 to 21.04 to see if things improve enough to help me identify which package to report a bug against things have become significantly worse. With 20.04 it was an occasional occurrence found when returning to the computer. Either it was stuck in the suspend process with a blank screen or one with artefacts on, or it would start the resume and then lock. On the upgrade to 21.04 (I didn't stop on 20.10 for more than enough time to tidy up and upgrade again), the system seemed improved initially - including notably improved boot times (no idea if that is related). After a bit of checking things out I went to enable the PPAs that had been disabled (Teamviewer, Nextcloud, Anydesk and Chrome - all of which have been installed after the problems were initially noted). When the window to authenticate popped up the screen filled with artefacts and I had to reset. After several attempts to reboot into a working desktop variously booting to artefacts, or getting artefacts immediately after logging in (usually when opening and maximising a terminal to capture the logs for later) I managed to change from Wayland to X.Org and logged in successfully with no problems for the rest of the day (including a Jitsi meeting lasting about 4 hours or more). The next day (today) suspend and resume is causing problems as before, boot has slowed down again (again, no idea if this is related). Compared to 20.04 there are more frequent locks (it had reached one every other day, but now it is more frequent - 4 today so far). Key things I have noted: - it is significantly worse under Wayland (to the point of being unusable) - it usually happens during the suspend / resume, but not always - when using the desktop it will always related to moving or resizing a window - leaving the PC powered off for a few minutes helps to get a reliable reboot (as in, if you reboot too quickly you get artefacts immediately after logging in) ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: gnome-shell 3.38.4-1ubuntu2 ProcVersionSignature: Ubuntu 5.11.0-17.18-generic 5.11.12 Uname: Linux 5.11.0-17-generic x86_64 ApportVersion: 2.20.11-0ubuntu65 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Sun May 16 19:23:00 2021 DisplayManager: gdm3 InstallationDate: Installed on 2020-10-16 (212 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) RelatedPackageVersions: mutter-common 3.38.4-1ubuntu2 SourcePackage: gnome-shell UpgradeStatus: Upgraded to hirsute on 2021-05-15 (1 days ago) --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu65 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME DistroRelease: Ubuntu 21.04 InstallationDate: Installed on 2020-10-16 (214 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) IwConfig: lo no wireless extensions. enp34s0 no wireless extensions. MachineType: Micro-Star International Co., Ltd. MS-7B79 Package: linux (not installed) ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-17-generic root=UUID=2fd8e91e-4658-4060-bc40-5db44750fc91 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 5.11.0-17.18-generic 5.11.12 RelatedPackageVersions: linux-restricted-modules-5.11.0-17-generic N/A linux-backports-modules-5.11.0-17-generic N/A linux-firmware 1.197 RfKill: Tags: hirsute Uname: Linux 5.11.0-17-generic x86_64 UpgradeStatus: Upgraded to hirsute on 2021-05-15 (3 days ago) UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 11/06/2019 dmi.bios.release: 5.14 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: H.40 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: X470 GAMING PLUS MAX (MS-7B79) dmi.board.vendor: Micro-Star International Co., Ltd. dmi.board.version: 3.0 dmi.chassis.asset.tag: To be filled by O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Micro-Star International Co., Ltd. dmi.chassis.version: 3.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrH.40:bd11/06/2019:br5.14:svnMicro-StarInternationalCo.,Ltd.:pnMS-7B79:pvr3.0:rvnMicro-StarInternationalCo.,Ltd.:rnX470GAMINGPLUSMAX(MS-7B79):rvr3.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr3.0: dmi.product.family: To be filled by O.E.M. dmi.product.name: MS-7B79 dmi.product.sku: To be filled by O.E.M. dmi.product.version: 3.0 dmi.sys.vendor: Micro-Star International Co., Ltd. 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