Public bug reported: During the kerenl SRU testing, I found that the DGX A100 station kept showing error messages from nouveau in dmesg as follows. These numerous kernel error messages crippled the system and made it unresponsive.
[ 2265.721452] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721457] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721463] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721474] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721480] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721485] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721491] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721496] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721507] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721514] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721519] nouveau 0000:07:00.0: disp: ctrl 00000080 [ 2265.721525] nouveau 0000:07:00.0: disp: ctrl 00000080 When the system reaches the idle delay, I guess the system will try to turn off the monitor then something went wrong. I can quickly reproduce this by setting idle-delay to 1 sec after the system boot into desktop. `gsettings set org.gnome.desktop.session idle-delay 0` The impacted system is https://ubuntu.com/certified/201711-25989 ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xserver-xorg-video-nouveau 1:1.0.16-1 ProcVersionSignature: Ubuntu 5.4.0-193.213-generic 5.4.278 Uname: Linux 5.4.0-193-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.4 Architecture: amd64 CasperMD5CheckResult: skip Date: Tue Aug 27 20:31:20 2024 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu ExtraDebuggingInterest: Yes InstallationDate: Installed on 2020-08-03 (1485 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) MachineType: NVIDIA DGX Station ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-193-generic root=UUID=88df95a6-4fd9-475a-8b59-ad14df1ada5a ro SourcePackage: xserver-xorg-video-nouveau UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/27/2018 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0406 dmi.board.asset.tag: Default string dmi.board.name: X99-E-10G WS dmi.board.vendor: EMPTY dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: EMPTY dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0406:bd08/27/2018:svnNVIDIA:pnDGXStation:pvrSystemVersion:rvnEMPTY:rnX99-E-10GWS:rvrRev1.xx:cvnEMPTY:ct3:cvrDefaultstring: dmi.product.family: DGX dmi.product.name: DGX Station dmi.product.sku: 920-22587-2510-000 dmi.product.version: System Version dmi.sys.vendor: NVIDIA version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.101-2 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.2 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 ** Affects: xserver-xorg-video-nouveau (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal ubuntu uec-images ** Summary changed: - nouveau keeps popping out `disp: ctrl 00000080` and crippling the system + nouveau keeps showing `disp: ctrl 00000080` and crippling the system -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/2078011 Title: nouveau keeps showing `disp: ctrl 00000080` and crippling the system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/2078011/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
