apport information ** Tags added: apport-collected
** Description changed: 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 ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1904293/+attachment/5434436/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1904293 Title: [i915] GPU hangs on Haswell (Acer 720p) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1904293/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs