I tried to install hirsute daily build
(495fe189e32d873ba79d7753134c22353ea89e8e6d62498f6c825a5de6a8a4a7) and
didn't see this issue.
but the xorg might have some problems when using hirsute.
here is the result of $ xrandr -d :0 --prop
---
PRIME Synchronization: 0
supporte
When I attached another monitor to dGPU (which means connecting monitor
to each iGPU and dGPU), then there is no problem.
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https://bugs.launchpad.net/bugs/1923153
Title:
Di
** Tags added: amdgpu radeon
** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu)
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https://bugs.launchpad.net/bugs/1923153
Title:
Display output laggy from iGPU when
Xorg actually doesn't have support for synchronizing multiple screens
very well. The compositor can only paint all screens at once, and then
the Xorg drivers have to output their areas at separate times later.
The 'modeset' Xorg driver will just sync to one and tear on the others.
And I am not sur
What is the output from 'xrandr --verbose' ?
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https://bugs.launchpad.net/bugs/1923153
Title:
Display output laggy from iGPU when operating on desktop with
BTW, the FPS is 1.
$ DISPLAY=:0 glxgears
Running synchronized to the vertical refresh. The framerate should be
approximately the same as the monitor refresh rate.
344 frames in 5.6 seconds = 61.884 FPS
5 frames in 5.0 seconds = 0.997 FPS
6 frames in 6.0 seconds = 1.002 FPS
6 frames in 6.0 seco
** Attachment added: "xrandr-verbose"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amdgpu/+bug/1923153/+attachment/5485957/+files/xrandr-verbose
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Ooops, single monitor, I see.
Next we should probably verify whether it is mutter-specific or a
general Xorg problem. Can you try a desktop that is not GNOME?
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backport the patches from
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/460 doesn't
help.
---
* d5016e5b61f96496f9b31d14eae16f5f0148b748 (HEAD ->
backport-7-patches-from-Łukasz-sync_present_to_slave_outputs) Remove unused
function ms_covering_xf86_crtc()
* d892481c2a3d67462f6d2c0
@Daniel,
ok, let me try the other desktops.
BTW, the cursor moves smoothly but other operations laggy (e.g. move the
terminal window).
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XFCE has the same result.
I'm able to reproduce this issue on XFCE.
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Title:
Display output laggy from iGPU when o
The attachments only show radeon and amdgpu, but at the top of the bug
you said it happens with i915 too. I wonder if you could please verify
that, and if it happens with i915 then please attach data from that
machine:
lspci -kv > lspci2.txt
journalctl -b0 > journal2.txt
If we can see the sam
here is the output
** Attachment added: "journal-b-k.log"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amdgpu/+bug/1923153/+attachment/5486865/+files/journal-b-k.log
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** Attachment added: "lspci2.txt"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amdgpu/+bug/1923153/+attachment/5486866/+files/lspci2.txt
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** Attachment added: "journal2.txt"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amdgpu/+bug/1923153/+attachment/5486867/+files/journal2.txt
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@Daniel,
Above are the outputs.
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https://bugs.launchpad.net/bugs/1923153
Title:
Display output laggy from iGPU when operating on desktop with
attaching
Thanks. That shows 'radeon' is the common problem.
Also, is "AMD R7 430" a typo? Should that be "AMD R7 340"?
** No longer affects: xserver-xorg-video-amdgpu (Ubuntu)
** Summary changed:
- Display output laggy from iGPU when operating on desktop with attaching AMD
R7 430 graphic (dGPU)
+ [rade
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