I can confirm that this freezing issue disappeared after changing the motherboard – as well as another annoying issue where the screen would suddenly start flickering, on/off every second or so.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1917037 Title: Frozen screen (NVidia GM107 card with large 3840 × 2160 screen) Status in xserver-xorg-video-nouveau package in Ubuntu: New Bug description: Just after the screen freezes, I am sometimes able to log in with SSH and the log file typically reads: Feb 26 11:18:15 is233895 kernel: [15385.625416] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] Feb 26 11:18:15 is233895 kernel: [15385.625436] nouveau 0000:01:00.0: fifo: runlist 0: scheduled for recovery Feb 26 11:18:15 is233895 kernel: [15385.625453] nouveau 0000:01:00.0: fifo: channel 6: killed Feb 26 11:18:15 is233895 kernel: [15385.625462] nouveau 0000:01:00.0: fifo: engine 5: scheduled for recovery Feb 26 11:18:15 is233895 kernel: [15385.625467] nouveau 0000:01:00.0: fifo: engine 0: scheduled for recovery Feb 26 11:18:15 is233895 kernel: [15385.626095] nouveau 0000:01:00.0: Xorg[2366]: channel 6 killed! However, the machine eventually locks up and I cannot log in with SSH any more. Then I need to power down the computer. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xserver-xorg-video-nouveau 1:1.0.16-1 ProcVersionSignature: Ubuntu 5.4.0-66.74-generic 5.4.86 Uname: Linux 5.4.0-66-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.16 Architecture: amd64 BootLog: Error: [Errno 13] Permission non accordée: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Fri Feb 26 11:45:55 2021 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu DkmsStatus: virtualbox, 6.1.16, 5.4.0-65-generic, x86_64: installed virtualbox, 6.1.16, 5.4.0-66-generic, x86_64: installed ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: NVIDIA Corporation GM107GL [Quadro K1200] [10de:13bc] (rev a2) (prog-if 00 [VGA controller]) Subsystem: NVIDIA Corporation GM107GL [Quadro K1200] [10de:1140] InstallationDate: Installed on 2020-04-09 (322 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402) MachineType: Dell Inc. Precision Tower 3620 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-66-generic root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7 SourcePackage: xserver-xorg-video-nouveau UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/13/2020 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.16.2 dmi.board.name: 0MWYPT dmi.board.vendor: Dell Inc. dmi.board.version: A01 dmi.chassis.type: 3 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.16.2:bd08/13/2020:svnDellInc.:pnPrecisionTower3620:pvr:rvnDellInc.:rn0MWYPT:rvrA01:cvnDellInc.:ct3:cvr: dmi.product.family: Precision dmi.product.name: Precision Tower 3620 dmi.product.sku: 06B7 dmi.sys.vendor: Dell Inc. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.102-1ubuntu1~20.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 20.2.6-0ubuntu0.20.04.1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1917037/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
