awesome, thank you. I will keep the flag set :-)
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https://bugs.launchpad.net/bugs/2026886
Title:
[amdgpu] google chrome hardware acceleration broken on 42.9-0ubuntu2
Sta
Hi Daniel, sorry for the delayed response.
MUTTER_DEBUG_SEND_KMS_MODIFIERS=1 fixes the issue. I can now use chrome
with hardware acceleration enabled without rendering problems.
Is there any long-term downside with leaving this flag set? Or should I
drop the environment entry when upstream has fi
Daniel van Vught wrote:
> I'm still struggling to understand how gnome-shell is triggering the
> corruption. Maybe try switching between 42.5 and 42.9 a few times again and
> verify in both cases the mutter packages remain 42.9.
I tried everything again from the beginning, and I _can_ reproduce
Daniel van Vugt wrote:
> On the slight chance this is related to another AMD GPU issue I've heard
> about in 42.9, please try adding this to /etc/environment:
> MUTTER_DEBUG_USE_KMS_MODIFIERS=0
This didn't help, unfortunately. What I did:
- Re-enabled hardware acceleration in chrome
- Confirmed
I was a bit premature with my last comment. If I restart chrome after
re-enabling hardware acceleration, rendering breaks again. So the
overall behavior looks like:
- Start at v42.0 of gnome-shell and gnome-shell-common
- Upgrade to v42.9 of gnome-shell and gnome-shell-common
- Note strange render
Thank you for responding so quickly :-)
Danial van Vugt wrote:
> When reporting bugs in the future please use apport by using 'ubuntu-bug' and
> the name of the package affected.
Can do :-)
> Or if you prefer to collect info manually, please run these commands
while the problem is happening [..
** Attachment added: "lscpu.txt"
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2026886/+attachment/5685719/+files/lscpu.txt
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https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2026886/+attachment/5685720/+files/journal.txt
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** Attachment added: "lspci.txt"
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2026886/+attachment/5685718/+files/lspci.txt
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https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2026886/+attachment/5685717/+files/packages.txt
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** Description changed:
This morning, I upgraded gnome-shell and gnome-shell-common from
42.5-0ubuntu1 to 42.9-0ubuntu2, and I noticed that chrome no longer
renders properly. Notice the missing image header on the Ubuntu website
and the garbled right click menu here:
https://i.imgur.c
Public bug reported:
This morning, I upgraded gnome-shell and gnome-shell-common from
42.5-0ubuntu1 to 42.9-0ubuntu2, and I noticed that chrome no longer
renders properly. Notice the missing image header on the Ubuntu website
and the garbled right click menu here:
https://i.imgur.com/BPnqfVG.png
I'm seeing very similar behavior on Ubuntu 19.10 with X11 and a single
monitor:
I've noticed on Ubuntu 19.10 with X11 fractional scaling set to 1.25x,
the pointer duplicates itself when I login to a new session. The
original pointer sticks on the screen at 1x size, and I get a new
pointer to use t
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