apport information ** Attachment added: "ProcCpuinfoMinimal.txt" https://bugs.launchpad.net/bugs/1904293/+attachment/5434446/+files/ProcCpuinfoMinimal.txt
-- 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/1904293 Title: [i915] GPU hangs on Haswell (Acer 720p) Status in linux package in Ubuntu: Confirmed Status in linux package in Fedora: Confirmed Bug description: Since linux kernel 5.7 Haswell GPU's hang after logging in with sddm. This affects Groovy (linux 5.8) both with Ubuntu and Kubuntu. A work around is to boot with and earlier (5.6). The issue is known as: https://gitlab.freedesktop.org/drm/intel/-/issues/2413 and probable duplicates: https://gitlab.freedesktop.org/drm/intel/-/issues/2584 https://gitlab.freedesktop.org/drm/intel/-/issues/1805 Apparently the problem is resolved by: https://patchwork.freedesktop.org/patch/395580/?series=82783&rev=1 Please consider backporting this patch. --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu50.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: ferry 1098 F.... pulseaudio /dev/snd/controlC0: ferry 1102 F.... pipewire-media- /dev/snd/seq: ferry 1097 F.... pipewire CasperMD5CheckResult: skip CurrentDesktop: KDE DistroRelease: Ubuntu 20.10 InstallationDate: Installed on 2017-07-13 (1220 days ago) InstallationMedia: Kubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) Lsusb: Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 003: ID 0489:e056 Foxconn / Hon Hai Bus 002 Device 002: ID 1bcf:2c67 Sunplus Innovation Technology Inc. HD WebCam Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Acer Peppy Package: linux (not installed) ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/@boot/vmlinuz-5.6.0-1032-oem root=UUID=17d2cd1d-cc37-446d-ac0b-933def63c867 ro rootflags=subvol=@ quiet splash tpm_tis.force=1 tpm_tis.interrupts=0 modprobe.blacklist=ehci_hcd,ehci-pci mitigations=off vt.handoff=7 ProcVersionSignature: Ubuntu 5.6.0-1032.33-oem 5.6.19 RelatedPackageVersions: linux-restricted-modules-5.6.0-1032-oem N/A linux-backports-modules-5.6.0-1032-oem N/A linux-firmware 1.190.1 Tags: groovy Uname: Linux 5.6.0-1032-oem x86_64 UpgradeStatus: Upgraded to groovy on 2020-10-25 (20 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 03/02/2017 dmi.bios.vendor: coreboot dmi.chassis.type: 3 dmi.chassis.vendor: Acer dmi.modalias: dmi:bvncoreboot:bvr:bd03/02/2017:svnAcer:pnPeppy:pvr1.0:cvnAcer:ct3:cvr: dmi.product.name: Peppy dmi.product.version: 1.0 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1904293/+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