*** This bug is a duplicate of bug 1924624 ***
https://bugs.launchpad.net/bugs/1924624
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1924624, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.
** This bug has been marked a duplicate of bug 1924624
After upgrade to 5.8.0-49/5.8.0-50 with Intel graphics (gen7, Haswell/Ivy
Bridge) a lot of glitches render screen unusable
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https://bugs.launchpad.net/bugs/1923844
Title:
i915 drm GPU hang - introduced with linux-image-5.8.0-49-generic
Status in linux package in Ubuntu:
Confirmed
Status in linux-meta-hwe-5.8 package in Ubuntu:
Confirmed
Bug description:
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 time after that
(screen stops updating with various artifacts and UI no longer
responds) and computer has to be restarted. Messages like these appear
in dmesg:
Apr 13 08:43:24 kubuntu kernel: [47776.927523] i915 0000:00:02.0: [drm]
Resetting chip for stopped heartbeat on rcs0
Apr 13 08:43:24 kubuntu kernel: [47777.029098] i915 0000:00:02.0: [drm]
VMSVGA FIFO[222240] context reset due to GPU hang
Apr 13 11:25:37 kubuntu kernel: [ 45.168120] i915 0000:00:02.0: [drm] GPU
HANG: ecode 7:1:85fffffc, in plasmashell [2918]
Apr 13 11:25:37 kubuntu kernel: [ 45.168166] i915 0000:00:02.0: [drm]
Resetting chip for stopped heartbeat on rcs0
Apr 13 11:25:37 kubuntu kernel: [ 45.270406] i915 0000:00:02.0: [drm]
plasmashell[2918] context reset due to GPU hang
Apr 13 11:25:41 kubuntu kernel: [ 47.984475] i915 0000:00:02.0: [drm] GPU
HANG: ecode 7:1:85fffffc, in plasmashell [2918]
Apr 13 11:25:41 kubuntu kernel: [ 47.984520] i915 0000:00:02.0: [drm]
Resetting chip for stopped heartbeat on rcs0
Apr 13 11:25:41 kubuntu kernel: [ 48.088097] i915 0000:00:02.0: [drm]
plasmashell[2918] context reset due to GPU hang
Apr 13 11:25:47 kubuntu kernel: [ 54.128068] i915 0000:00:02.0: [drm] GPU
HANG: ecode 7:1:85fffffc, in plasmashell [2918]
Apr 13 11:25:47 kubuntu kernel: [ 54.128111] i915 0000:00:02.0: [drm]
Resetting chip for stopped heartbeat on rcs0
Apr 13 11:25:47 kubuntu kernel: [ 54.230401] i915 0000:00:02.0: [drm]
plasmashell[2918] context reset due to GPU hang
Apr 14 14:35:53 kubuntu kernel: [ 32.106297] i915 0000:00:02.0: [drm] GPU
HANG: ecode 7:1:c07fffff, in ksplashqml [3096]
Apr 14 14:35:53 kubuntu kernel: [ 32.106341] i915 0000:00:02.0: [drm]
Resetting chip for stopped heartbeat on rcs0
Apr 14 14:35:53 kubuntu kernel: [ 32.207704] i915 0000:00:02.0: [drm]
ksplashqml[3096] context reset due to GPU hang
With previous kernel 5.8.0-48.54 (and all other previous kernels)
there was never any problem like this.
System is Asus P8Z68V-Pro Gen3, i7-3770, iGPU:
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen
Core processor Graphics Controller (rev 09) (prog-if 00 [VGA controller])
DeviceName: Onboard IGD
Subsystem: ASUSTeK Computer Inc. Xeon E3-1200 v2/3rd Gen Core
processor Graphics Controller
Flags: bus master, fast devsel, latency 0, IRQ 61
Memory at f7400000 (64-bit, non-prefetchable) [size=4M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
I/O ports at f000 [size=64]
Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Capabilities: [a4] PCI Advanced Features
Kernel driver in use: i915
Kernel modules: i915
Boot info with i915 and drm:
[ 0.000000] microcode: microcode updated early to revision 0x21, date =
2019-02-13
[ 0.000000] Linux version 5.8.0-49-generic (buildd@lgw01-amd64-055) (gcc
(Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, GNU ld (GNU Binutils for Ubuntu) 2.34)
#55~20.04.1-Ubuntu SMP Fri Mar 26 01:01:07 UTC 2021 (Ubuntu
5.8.0-49.55~20.04.1-generic 5.8.18)
[ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-5.8.0-49-generic
root=UUID=123 ro quiet splash vt.handoff=7
[ 0.000000] DMI: System manufacturer System Product Name/P8Z68-V PRO GEN3,
BIOS 3802 01/15/2015
[ 1.083804] fb0: switching to inteldrmfb from EFI VGA
[ 1.083864] i915 0000:00:02.0: vgaarb: deactivate vga console
[ 1.093201] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 1.097872] i915 0000:00:02.0: vgaarb: changed VGA decodes:
olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 1.119734] [drm] Initialized i915 1.6.0 20200515 for 0000:00:02.0 on
minor 0
[ 1.260356] fbcon: i915drmfb (fb0) is primary device
[ 1.260360] i915 0000:00:02.0: fb0: i915drmfb frame buffer device
[ 5.070962] systemd[1]: Condition check resulted in Load Kernel Module drm
being skipped.
[ 5.526454] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops
i915_audio_component_bind_ops [i915])
Not blocking as I can stay on previous kernel but until this is fixed I can
no longer use vulnerability fixes which makes the issue critical.
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