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 0000:00:02.0: [drm] GPU HANG: ecode
7:0:00000000
Aug 8 22:18:11 kernel: [37254.612858] i915 0000:00:02.0: [drm] Resetting chip
for stopped heartbeat on rcs0
Aug 8 22:18:11 kernel: [37254.714421] i915 0000:00:02.0: [drm] VMSVGA
FIFO[8731] context reset due to GPU hang
Aug 8 22:18:14 kernel: [37257.670342] i915 0000:00:02.0: [drm] GPU HANG: ecode
7:0:00000000
Aug 8 22:18:14 kernel: [37257.670382] i915 0000:00:02.0: [drm] Resetting chip
for stopped heartbeat on rcs0
Aug 8 22:18:14 kernel: [37257.773493] i915 0000:00:02.0: [drm] kwin_x11[7538]
context reset due to GPU hang
System is Asus P8Z68V-Pro Gen3, i7-3770, iGPU HD4000:
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
Was the fix of this bug properly ported to 5.11?
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Packages, which is subscribed to linux-meta-hwe-5.8 in Ubuntu.
https://bugs.launchpad.net/bugs/1924624
Title:
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
Status in linux package in Ubuntu:
Fix Released
Status in linux-meta-hwe-5.8 package in Ubuntu:
Fix Released
Bug description:
After upgrading to 5.8.0-49, on a laprtop with intel graphics, graphics was
suddenly extremely glitchy.
Icons from the desktop flash through the browser, windows top bar gets
distorted, all sort of glitches appear, parts of characters are missing in
terminal, scrolling is inconsistent and the whole desktop becomes unusable.
Under wayland the graphics are a bit more stable, but lots of glitches appear
anyway, video reproduction in browser is stuttering and wobbly.
Booting with previous kernel 5.8.0-48 seems to fix the issues.
5.8.0-50 is broken as well.
this is the result of 'sudo lshw -c video' on my hp Elitebook 8470:
*-display
description: VGA compatible controller
product: 3rd Gen Core processor Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:33 memory:d4000000-d43fffff memory:c0000000-cfffffff
ioport:4000(size=64) memory:c0000-dffff
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