Public bug reported: After a recent package update (at this point, I believe it was a kernel package upgrade) I began experiencing Intel GPU hangs and graphical glitches, such as blinking or corrupt textures in the panels and windows. In dmesg I can see messages like these:
[ 24.825956] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:86d2bff9, in plasmashell [1625] [ 24.826005] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 [ 24.927993] i915 0000:00:02.0: [drm] plasmashell[1625] context reset due to GPU hang ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: linux-image-5.8.0-50-lowlatency 5.8.0-50.56 ProcVersionSignature: Ubuntu 5.8.0-50.56-lowlatency 5.8.18 Uname: Linux 5.8.0-50-lowlatency x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu50.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: lastique 1319 F.... pulseaudio /dev/snd/controlC1: lastique 1319 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: KDE Date: Mon Apr 19 02:18:39 2021 HibernationDevice: # Prevents "gave up waiting for suspend/resume device" timeout on boot RESUME=none InstallationDate: Installed on 2013-10-11 (2746 days ago) InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MachineType: ASUSTeK COMPUTER INC. N550JV ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-50-lowlatency root=UUID=bafa6509-dea3-48a1-a308-129b1514ab28 ro quiet splash nmi_watchdog=0 RelatedPackageVersions: linux-restricted-modules-5.8.0-50-lowlatency N/A linux-backports-modules-5.8.0-50-lowlatency N/A linux-firmware 1.190.3 SourcePackage: linux UpgradeStatus: Upgraded to groovy on 2020-11-21 (148 days ago) WifiSyslog: dmi.bios.date: 11/19/2013 dmi.bios.release: 4.6 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: N550JV.208 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: N550JV dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN550JV.208:bd11/19/2013:br4.6:svnASUSTeKCOMPUTERINC.:pnN550JV:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN550JV:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.family: N dmi.product.name: N550JV dmi.product.sku: ASUS-NotebookSKU dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug groovy -- 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/1924939 Title: Intel GPU lockups and graphical glitches in KDE Status in linux package in Ubuntu: Confirmed Bug description: After a recent package update (at this point, I believe it was a kernel package upgrade) I began experiencing Intel GPU hangs and graphical glitches, such as blinking or corrupt textures in the panels and windows. In dmesg I can see messages like these: [ 24.825956] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:86d2bff9, in plasmashell [1625] [ 24.826005] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 [ 24.927993] i915 0000:00:02.0: [drm] plasmashell[1625] context reset due to GPU hang ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: linux-image-5.8.0-50-lowlatency 5.8.0-50.56 ProcVersionSignature: Ubuntu 5.8.0-50.56-lowlatency 5.8.18 Uname: Linux 5.8.0-50-lowlatency x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu50.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: lastique 1319 F.... pulseaudio /dev/snd/controlC1: lastique 1319 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: KDE Date: Mon Apr 19 02:18:39 2021 HibernationDevice: # Prevents "gave up waiting for suspend/resume device" timeout on boot RESUME=none InstallationDate: Installed on 2013-10-11 (2746 days ago) InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MachineType: ASUSTeK COMPUTER INC. N550JV ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-50-lowlatency root=UUID=bafa6509-dea3-48a1-a308-129b1514ab28 ro quiet splash nmi_watchdog=0 RelatedPackageVersions: linux-restricted-modules-5.8.0-50-lowlatency N/A linux-backports-modules-5.8.0-50-lowlatency N/A linux-firmware 1.190.3 SourcePackage: linux UpgradeStatus: Upgraded to groovy on 2020-11-21 (148 days ago) WifiSyslog: dmi.bios.date: 11/19/2013 dmi.bios.release: 4.6 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: N550JV.208 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: N550JV dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN550JV.208:bd11/19/2013:br4.6:svnASUSTeKCOMPUTERINC.:pnN550JV:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN550JV:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.family: N dmi.product.name: N550JV dmi.product.sku: ASUS-NotebookSKU dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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