I'm running linux-image-5.4.0-30-generic and it happened again last night. I come back to the machine and see corruption on both external panels, while internal panel is off. So it does indeed feel like i915 related. Would be happy to try and get more debug info, but it's hard given the machine completely locks up.
-- 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/1871687 Title: System hard locks up intermittently Status in linux package in Ubuntu: Confirmed Bug description: My T450 main laptop is generally left on all day and night. I sometimes suspend it when moving around the house, but it's often left on all the time. Sometimes when I go to start work in the morning there's some corruption on screen and the laptop won't respond. I can't REISUB or ssh in. This has happened a few times since clean installing 20.04. Previously I was on an upgraded-to-20.04 install and don't recall it happening there. The other obvious difference is I'm now running ZFS which I wasn't before. :S ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-21-generic 5.4.0-21.25 ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27 Uname: Linux 5.4.0-21-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu24 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC3: alan 8365 F.... pulseaudio /dev/snd/controlC2: alan 8365 F.... pulseaudio /dev/snd/controlC1: alan 8365 F.... pulseaudio /dev/snd/controlC0: alan 8365 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Wed Apr 8 19:30:46 2020 InstallationDate: Installed on 2020-03-01 (38 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200301) MachineType: LENOVO 20BV001BUK ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_pyyy5h@/vmlinuz-5.4.0-21-generic root=ZFS=rpool/ROOT/ubuntu_pyyy5h ro quiet splash RelatedPackageVersions: linux-restricted-modules-5.4.0-21-generic N/A linux-backports-modules-5.4.0-21-generic N/A linux-firmware 1.187 SourcePackage: linux StagingDrivers: exfat UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/14/2019 dmi.bios.vendor: LENOVO dmi.bios.version: JBET73WW (1.37 ) dmi.board.asset.tag: Not Available dmi.board.name: 20BV001BUK dmi.board.vendor: LENOVO dmi.board.version: 0B98417 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrJBET73WW(1.37):bd08/14/2019:svnLENOVO:pn20BV001BUK:pvrThinkPadT450:rvnLENOVO:rn20BV001BUK:rvr0B98417WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad T450 dmi.product.name: 20BV001BUK dmi.product.sku: LENOVO_MT_20BV_BU_Think_FM_ThinkPad T450 dmi.product.version: ThinkPad T450 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1871687/+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
