Issue started reoccurring with upgrade to 5.8.0.44, only after a screen
lock, and ALT-F2 + 'r' fixes the problem until the next screen lock.
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This bug was fixed in the package linux - 5.8.0-36.40+21.04.1
---
linux (5.8.0-36.40+21.04.1) hirsute; urgency=medium
* Packaging resync (LP: #1786013)
- update dkms package versions
[ Ubuntu: 5.8.0-36.40 ]
* debian/scripts/file-downloader does not handle positive
This bug was fixed in the package linux - 5.8.0-34.37
---
linux (5.8.0-34.37) groovy; urgency=medium
* groovy/linux: 5.8.0-34.37 -proposed tracker (LP: #1907576)
* Packaging resync (LP: #1786013)
- update dkms package versions
* [Ubuntu 21.04 FEAT] mpt3sas: Request to
I have a similar issue with Core i3-9100 desktop (Ubuntu 20.10 clean install)
and a HP Probook 430 G6 (Core i5-82xx).
Example:
https://aws1.discourse-cdn.com/standard17/uploads/ubuntubudgie/original/2X/1/1f3f03e248964bc470caf7748cf7d8aa424474fc.jpeg
Might be the same as:
It's possible you see a different bug, I'd suggest opening a new bug
report about it with ubuntu-bug so the kernel team actually has some
data about the system rather than just small comments.
I think we can all agree that the patch (well removal of patch :)) made
a vast improvement in terms of
I can also confirm that on 5.8.0-34 I am getting this bug still as well.
It *seems* to mostly start happening after resuming from suspend, but
its too random to say for sure.
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This bug reoccurred just now for the first time since I installed the
patched kernel.
Am currently on
```
Linux floombort 5.8.0-34-generic #37-Ubuntu SMP Thu Dec 10 18:01:14 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
```
And Alt+F2 then 'r' fixed it again.
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That's correct. 33 was a hot fix release for a data loss in 31 that did
not include the changes from 32. They'll come back in 34.
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Title:
[i915]
Today I got an update to 5.8.0-33-generic (from 5.8.0-31-generic) but
unfortunately the problem didn't solved.
** Attachment added: "P_20201212_183148_011.jpg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1896091/+attachment/5443023/+files/P_20201212_183148_011.jpg
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I think we've gotten enough (independent) verifications of this now to
mark it as done.
** Tags removed: verification-needed-groovy
** Tags added: verification-done-groovy
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No re-occurrences of the issue since installing the new kernel on 12-02.
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Title:
[i915] Noise-like lines of graphics corruption when moving
Been affected by this bug on Thinkpad T560 w/ i915 since mid September
(2020). I have been using -proposed over the last few days. So far, it
seems to have fixed the issue for me, the "interference lines" have not
reoccurred since.
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Been running for 1d 15h sofar and it seems to be fine
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Title:
[i915] Noise-like lines of graphics corruption when moving windows in
Xorg
** Changed in: linux (Ubuntu)
Assignee: Kai-Heng Feng (kaihengfeng) => (unassigned)
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Title:
[i915] Noise-like lines of graphics corruption
I have installed "5.8.0-32-generic #34-Ubuntu" and will report if I
experience the issue again. It sometimes takes a couple of days to
manifest.
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
groovy' to 'verification-done-groovy'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Groovy)
Status: Confirmed => Fix Committed
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Title:
[i915] Noise-like lines of graphics corruption when
** Description changed:
== SRU Justification ==
[Impact]
Noise-like lines of graphics corruption when moving windows in Xorg
sessions.
[Fix]
Revert "UBUNTU: SAUCE: drm/i915: Synchronize active and retire
callbacks".
[Test]
Daniel van Vugt confirmed reverting the commit
Awesome, thanks!
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Title:
[i915] Noise-like lines of graphics corruption when moving windows in
Xorg sessions
To manage notifications about
https://lists.ubuntu.com/archives/kernel-team/2020-November/114803.html
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Groovy)
Status: New => Confirmed
** Changed in: linux (Ubuntu Groovy)
Importance: Undecided => High
Ok, let me send an SRU.
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng)
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Title:
[i915] Noise-like
Can we just revert c1484c9939, please? Even the commit message suggests
it's not needed after v5.4.
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Title:
[i915] Noise-like lines of graphics
Also verified Ubuntu-5.8.0-30.32 has the bug. And then reverting
c1484c9939 fixes it.
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Title:
[i915] Noise-like lines of graphics corruption
I went back further in the history of i915 changes and found the
offending commit:
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/groovy/commit/?id=c1484c9939
If you revert c1484c9939 then the bug goes away.
** Summary changed:
- [i915] Noise-like lines of graphics
I think I might have got some incorrect results in comment #39. Because
the bug still occurs when I build from git all the way back to
Ubuntu-5.8.0-13.14. Also reverting the four commits in comment #42 does
not fix it. The only thing that solves the bug is going to a mainline
kernel/branch/tag.
Two days later... my bisection has failed. Also probably related -- in
git the tag Ubuntu-5.8.0-18.19 has the bug, but not in the binary
release. Perhaps I need to be more careful with the configs used instead
of defaulting. Or maybe I will just start hacking around the
aforementioned commits.
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Yea, so only two commits need to be tested.
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Title:
[i915] Noise-like lines of graphics corruption when moving windows in
Xorg sessions
Can I assume "tgl+" means it's code I don't use on Kaby Lake?
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Title:
[i915] Noise-like lines of graphics corruption when moving windows in
Four commits to test:
$ git log --pretty=oneline Ubuntu-5.8.0-18.19..Ubuntu-5.8.0-19.20
drivers/gpu/drm/i915
ae8bb7c11c7e5379394557469a777885e0644ce4 drm/i915/tgl+: Fix TBT DPLL fractional
divider for 38.4MHz ref clock
6337b734a9d7ab1467538229716755b5ba40f8fa drm/i915/tgl+: Use the correct
Enabling PSR does not fix it. The bug remains.
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Title:
[i915] Noise-like lines of graphics corruption when moving windows in
Xorg sessions
Here's a little 173 line diff where I think the regression might have
occurred between 5.8.0-18-generic and 5.8.0-19-generic.
** Patch added: "i915_diff_5.8.0_18to19.diff"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1896091/+attachment/5430948/+files/i915_diff_5.8.0_18to19.diff
**
Verified the first broken version was 5.8.0-19-generic ...
good 5.8.0-16-generic
good 5.8.0-18-generic
bad 5.8.0-19-generic
bad 5.8.0-20-generic
bad 5.8.0-23-generic
bad 5.8.0-25-generic
bad 5.8.0-26-generic
good 5.8.1-050801-generic
good 5.8.13-050813-generic
good 5.8.16-050816-generic
PSR is disable on Ubuntu. Please try kernel parameter
"i915.enable_psr=1".
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Title:
[i915] Noise-like lines of graphics corruption when moving
The problem goes away after the screen times out and I have to log back
in.
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Title:
[i915] Noise-like lines of graphics corruption when moving
I'm on 20.10 using KDE, 5.8.0-26-generic, on a dell xps 13 2-in-1 and
the problem is rather severe.
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Title:
[i915] Noise-like lines of graphics
Still broken in 5.8.0-26-generic
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Title:
[i915] Noise-like lines of graphics corruption when moving windows in
Xorg sessions
To manage
** Tags added: regression-release
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Title:
[i915] Noise-like lines of graphics corruption when moving windows in
Xorg sessions
To manage
I've got similar results. In fact I can't find any mainline kernel that
exhibits corruption. Only the newer groovy kernels do:
good 5.8.0-16-generic
bad 5.8.0-23-generic
bad 5.8.0-25-generic
good 5.8.1-050801-generic
good 5.8.13-050813-generic
good 5.8.16-050816-generic
good
It happened a lot more when docked (ext USB-C monitor) than on the
laptop itself.
Kernel 5.9.1 seems good so far. I've not seen the issue yet and my
uptime is 3 days 15 hours without any suspending in between, just screen
locked.
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** Summary changed:
- [i915] Noise-like graphics corruption
+ [i915] Noise-like lines of graphics corruption when moving windows in Xorg
sessions
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