An other test using 5.9.1-050901-lowlatency, display is not breaking anymore but there are still issues in logs after the video has been played once:
export DISPLAY=:0 ; while true ; do mpv 'http://youtu.be/9J5CHTFWnTc' ; sleep 10 ; done (+) Video --vid=1 (*) (h264 1280x720) (+) Audio --aid=1 --alang=eng (*) (aac 2ch 44100Hz) AO: [pulse] 44100Hz stereo 2ch float Using hardware decoding (vaapi). VO: [gpu] 1280x720 vaapi[nv12] AV: 00:00:33 / 00:00:33 (99%) A-V: 0.000 Cache: 0.0s Exiting... (End of file) (+) Video --vid=1 (*) (h264 1280x720) (+) Audio --aid=1 --alang=eng (*) (aac 2ch 44100Hz) AO: [pulse] 44100Hz stereo 2ch float Using hardware decoding (vaapi). VO: [gpu] 1280x720 vaapi[nv12] radeon: The kernel rejected CS, see dmesg for more information (-22). radeon: The kernel rejected CS, see dmesg for more information (-22). Audio/Video desynchronisation detected! Possible reasons include too slow hardware, temporary CPU spikes, broken drivers, and broken files. Audio position will not match to the video (see A-V status field). radeon: The kernel rejected CS, see dmesg for more information (-22). On later times, I am not sure VAAPI is still used (yuv420p vs vaapi[nv12]): (+) Video --vid=1 (*) (h264 1280x720) (+) Audio --aid=1 --alang=eng (*) (aac 2ch 44100Hz) AO: [pulse] 44100Hz stereo 2ch float [ffmpeg/video] h264: No support for codec h264 profile 100. VO: [gpu] 1280x720 yuv420p AV: 00:00:31 / 00:00:33 (92%) A-V: 0.000 Cache: 2.1s/433KB dmesg is pretty much the same as: https://launchpadlibrarian.net/502954026/CurrentDmesg.txt [ 99.002309] radeon 0000:01:00.0: ring 5 stalled for more than 10080msec [ 99.002317] radeon 0000:01:00.0: GPU lockup (current fence id 0x00000000000003fb last fence id 0x00000000000003ff on ring 5) [ 99.012046] radeon 0000:01:00.0: couldn't schedule ib [ 99.012107] [drm:radeon_uvd_suspend [radeon]] *ERROR* Error destroying UVD (-22)! [ 99.028154] radeon 0000:01:00.0: Saved 1433 dwords of commands on ring 0. Once I managed to get backtrace around DRM parts, I'll share it if it happens again. Do you need more informations ? Meanwhile let me crosslink this issue to: https://gitlab.freedesktop.org/drm/amd/-/issues/630 -- 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/1900854 Title: radeon: GPU lockup when restarting a video on RV730 Status in Linux: Unknown Status in linux package in Ubuntu: Incomplete Bug description: Hi, I suspect there is an issue with radeon driver for video acceleration, I haven't investigated yet but I would investigate resources releases of VPU driver. As suggested on other (obsolete) bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1574130?comments=all I thought it was a VLC bug but actually it's also replicated using mpv: Just run mpv https://conf.tube/download/videos/ea60f030-90c1-4e8e-9782-bef14dd3b1d1-1080.mp4 It appears to work as expected Stop with Esc and run again Process will be stuck on creating window frame and then once windows is starting to show the video, desktop's frame buffer will become garbage: video's first frame looks like blicking in this triangle mess. system is still usable, audio is still playing. I logged using ssh and reported details using: ubuntu-bug linux I hope collected data is not mixed with my client's host. I can give more details or test patches. ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: linux-image-5.8.0-25-generic 5.8.0-25.26 ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14 Uname: Linux 5.8.0-25-generic x86_64 ApportVersion: 2.20.11-0ubuntu50 Architecture: amd64 CasperMD5CheckResult: skip CurrentDmesg: Error: command ['pkexec', 'dmesg'] failed with exit code 127: polkit-agent-helper-1: error response to PolicyKit daemon: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: No session for cookie Error executing command as another user: Not authorized This incident has been reported. Date: Wed Oct 21 16:02:27 2020 IwConfig: lo no wireless extensions. enp2s0 no wireless extensions. docker0 no wireless extensions. MachineType: Dell Inc. Precision T1500 ProcEnviron: TERM=screen.xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-25-generic root=UUID=036d3d8c-98d4-48ec-a18b-dce21dcf0bb5 ro initrd=initrd.gz splash quiet vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.8.0-25-generic N/A linux-backports-modules-5.8.0-25-generic N/A linux-firmware 1.190 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to groovy on 2020-10-13 (8 days ago) acpidump: Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 127: polkit-agent-helper-1: pam_authenticate failed: Authentication failure Error executing command as another user: Not authorized This incident has been reported. dmi.bios.date: 01/13/2011 dmi.bios.release: 8.15 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.4.0 dmi.board.name: 0XC7MM dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 3 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.4.0:bd01/13/2011:br8.15:svnDellInc.:pnPrecisionT1500:pvr00:rvnDellInc.:rn0XC7MM:rvrA00:cvnDellInc.:ct3:cvr: dmi.product.family: 0 dmi.product.name: Precision T1500 dmi.product.sku: 0 dmi.product.version: 00 dmi.sys.vendor: Dell Inc. --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu50 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: rzr 4431 F.... pulseaudio /dev/snd/controlC1: rzr 4431 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: KDE DistroRelease: Ubuntu 20.10 IwConfig: lo no wireless extensions. enp2s0 no wireless extensions. docker0 no wireless extensions. MachineType: Dell Inc. Precision T1500 Package: linux (not installed) ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-25-generic root=UUID=036d3d8c-98d4-48ec-a18b-dce21dcf0bb5 ro initrd=initrd.gz splash quiet vt.handoff=7 ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14 RebootRequiredPkgs: linux-image-unsigned-5.9.1-050901-generic linux-base linux-image-unsigned-5.9.1-050901-lowlatency linux-base RelatedPackageVersions: linux-restricted-modules-5.8.0-25-generic N/A linux-backports-modules-5.8.0-25-generic N/A linux-firmware 1.190 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no Tags: groovy Uname: Linux 5.8.0-25-generic x86_64 UpgradeStatus: Upgraded to groovy on 2020-10-13 (8 days ago) UserGroups: adm cdrom dialout dip docker lpadmin netdev plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 01/13/2011 dmi.bios.release: 8.15 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.4.0 dmi.board.name: 0XC7MM dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 3 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.4.0:bd01/13/2011:br8.15:svnDellInc.:pnPrecisionT1500:pvr00:rvnDellInc.:rn0XC7MM:rvrA00:cvnDellInc.:ct3:cvr: dmi.product.family: 0 dmi.product.name: Precision T1500 dmi.product.sku: 0 dmi.product.version: 00 dmi.sys.vendor: Dell Inc. --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu50 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: rzr 4431 F.... pulseaudio /dev/snd/pcmC0D0p: rzr 4431 F...m pulseaudio /dev/snd/controlC1: rzr 4431 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: KDE DistroRelease: Ubuntu 20.10 IwConfig: lo no wireless extensions. enp2s0 no wireless extensions. docker0 no wireless extensions. MachineType: Dell Inc. Precision T1500 Package: linux (not installed) ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-25-generic root=UUID=036d3d8c-98d4-48ec-a18b-dce21dcf0bb5 ro initrd=initrd.gz splash quiet vt.handoff=7 ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14 RebootRequiredPkgs: linux-image-unsigned-5.9.1-050901-generic linux-base linux-image-unsigned-5.9.1-050901-lowlatency linux-base RelatedPackageVersions: linux-restricted-modules-5.8.0-25-generic N/A linux-backports-modules-5.8.0-25-generic N/A linux-firmware 1.190 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no Tags: groovy Uname: Linux 5.8.0-25-generic x86_64 UpgradeStatus: Upgraded to groovy on 2020-10-13 (8 days ago) UserGroups: adm cdrom dialout dip docker lpadmin netdev plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 01/13/2011 dmi.bios.release: 8.15 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.4.0 dmi.board.name: 0XC7MM dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 3 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.4.0:bd01/13/2011:br8.15:svnDellInc.:pnPrecisionT1500:pvr00:rvnDellInc.:rn0XC7MM:rvrA00:cvnDellInc.:ct3:cvr: dmi.product.family: 0 dmi.product.name: Precision T1500 dmi.product.sku: 0 dmi.product.version: 00 dmi.sys.vendor: Dell Inc. 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