[Bug 1924624] Re: After upgrade to kernel 5.8.0-49/50 with Intel Gen7 (Haswell/Ivy Bridge/Bay Trail) graphics a lot of glitches render screen unusable

New bug against 5.11 opened https://bugs.launchpad.net/ubuntu/+source/linux-signed- hwe-5.11/+bug/1939296 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1924624 Title: After upgrade to kernel

[Bug 1939296] [NEW] i915 drm GPU hang, GUI freeze with flickering

Public bug reported: GUI suddenly freezes and starts flickering, dmesg: Aug 8 22:18:11 kernel: [37254.612789] i915 :00:02.0: [drm] GPU HANG: ecode 7:0: Aug 8 22:18:11 kernel: [37254.612858] i915 :00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 Aug 8 22:18:11

[Bug 1924624] Re: After upgrade to kernel 5.8.0-49/50 with Intel Gen7 (Haswell/Ivy Bridge/Bay Trail) graphics a lot of glitches render screen unusable

Today regression with kernel linux-image-5.11.0-25-generic 5.11.0-25.27~20.04.1: Aug 8 22:18:11 kernel: [37254.612789] i915 :00:02.0: [drm] GPU HANG: ecode 7:0: Aug 8 22:18:11 kernel: [37254.612858] i915 :00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 Aug 8

[Bug 1925126] Re: Intel video driver i915 - Repeated GPU HANG's, jitter, freeze-ups 5.8.0-50

Reproduced today with kernel linux-image-5.11.0-25-generic 5.11.0-25.27~20.04.1: Aug 8 22:18:11 kernel: [37254.612789] i915 :00:02.0: [drm] GPU HANG: ecode 7:0: Aug 8 22:18:11 kernel: [37254.612858] i915 :00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 Aug 8

[Bug 1923844] [NEW] i915 drm GPU hang - introduced with linux-image-5.8.0-49-generic

Public bug reported: This is a regression introduced with the latest kernel (linux- image-5.8.0-49-generic). Kubuntu 20.04, since upgrading kernel from version 5.8.0-48.54 to version 5.8.0-49.55 the system boots properly but the GUI often hangs, either immediately after user login to GUI or any