FS#58691 - [xorg-server] Version 1.20 breaks graphics with r600

Attached to Project: Arch Linux
Opened by Nicola Mori (snack) - Tuesday, 22 May 2018, 08:33 GMT
Last edited by Laurent Carlier (lordheavy) - Sunday, 27 May 2018, 09:54 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Jan de Groot (JGC)
Andreas Radke (AndyRTR)
Laurent Carlier (lordheavy)
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 4
Private No

Details

Description:
The upgrade to xorg-server 1.20 breaks the graphics on my system. The sddm login screen is screwed as shown in the attached file. Reverting to 1.19 fixes the problem.

Additional info:
* system
Mobility Radeon HD3470

* package version(s)
xorg-server 1.20.0-2
xorg-server-common 1.20.0-2
xorg-server-xvfb 1.20.0-2
xorg-server-xwayland 1.20.0-2
xf86-video-ati 1:18.0.1-2

* config and/or log files etc.


Steps to reproduce:
- update xorg and xf86-video-ati
- reboot to sddm
   IMG_20180520_194230.jpg (1.15 MiB)
This task depends upon

Closed by  Laurent Carlier (lordheavy)
Sunday, 27 May 2018, 09:54 GMT
Reason for closing:  Upstream
Comment by Laurent Carlier (lordheavy) - Thursday, 24 May 2018, 04:22 GMT
Did you try with modesetting driver?
Comment by Nicola Mori (snack) - Thursday, 24 May 2018, 07:42 GMT
No, I didin't. I will try as soon as I find some spare time and then will report back here. Thanks for now.
Comment by Nicola Mori (snack) - Friday, 25 May 2018, 00:46 GMT
I uninstalled xf86-video-ati and now the problem is gone, so your suggestion about using the modesetting driver fixed the issue. Thanks lordheavy.
Comment by Matthijs (Ezmagon) - Friday, 25 May 2018, 16:17 GMT
On my system this update only breaks the graphics on the second monitor. I have a radeon rx480, but it is not fixed by uninstalling xf86-video-ati. Reverting back to 1.19 does fix it.
   DSC_0366_small.JPG (352.5 KiB)
Comment by Fabian (Tids) - Saturday, 26 May 2018, 12:03 GMT
Rx480 dont needs or loads the radeon driver stack, so it wont end up with ati/radeon Xorg driver. It's a "pure" amdgpu card.

BTW no iddues with radeon (R7 240, R9 290) or AMDGPU (R9 380, R5 2400G, (+experimental) R7 240, R9 290) for me. Everything just works
Comment by Matthijs (Ezmagon) - Sunday, 27 May 2018, 09:23 GMT
Ah yes my mistake, I forced it to use AMDGPU now and it works. Thanks Tids!
Comment by Laurent Carlier (lordheavy) - Sunday, 27 May 2018, 09:54 GMT
Users of xf86-video-ati driver, you should file a bug upstream at https://bugs.freedestop.org, and as a workaround, use the modesetting driver

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