| Summary: | After Upgrade from Mageia 7 to 8 RC, lightdm fails to start but sddm can (Intel hardware) | ||
|---|---|---|---|
| Product: | Mageia | Reporter: | Bernard SIAUD <liste> |
| Component: | RPM Packages | Assignee: | Mageia Bug Squad <bugsquad> |
| Status: | RESOLVED FIXED | QA Contact: | |
| Severity: | major | ||
| Priority: | High | CC: | fri, lewyssmith, magnux77, ouaurelien |
| Version: | 8 | ||
| Target Milestone: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Source RPM: | lightdm-1.26.0-14.mga8.src.rpm | CVE: | |
| Status comment: | |||
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Description
Bernard SIAUD
2021-02-12 16:44:41 CET
Thank you for the report, and sorry for the angst. The screen photo certainly shows the problem. To see concisely your system details, please post the output of:
$ inxi -MSGxx
> Le 10/02/2021 ... Je viens de faire une mise à jour de ma cauldron ce matin.
> Ce PC est rarement mis à jour.
Alas, because you must have had a large number of updates. Just a few might have enabled a suspect to be identified.
The situation you describe is:
With lightdm configured, the corruption you show happens on *(re)boot*;
but NOT if you have SDDM configured & logged in with, then do:
systemctl stop ssdm
systemctl start lightdm
When you describe changing the display manager with drakdm (from a virtual console), that always requires a re-boot to take effect.
Did you ever try, with lightdm as the DM, on booting to the garbled screen, doing Ctrl/Alt/Backsp/Backspc which re-starts X and re-launches the DM ? To see whether that changes the situation.
We shall want, please, the file /var/log/Xorg.0.log from when you boot to the bad login screen with ligh tdm. You can save that from a virtual console:
$ cp /var/log/Xorg.0.log <any_filename.txt>
then when you have changed the DM with drakdm, and logged in normally, add that file as an attachment to this bug. (See above for that).
[Vous pouvez écrire en français, nous pouvons le traduire ; mais pas trop !]CC:
(none) =>
lewyssmith As I know we can't really write here in French, but the issue seems widespread. https://www.mageialinux-online.org/forum/topic-28440+migration-7-1-xfce-8.php This French user on the French forum also had issues with Lightdm after upgrading Mageia 7 to 8. But, as long as X server is autoconfigured at boot time, if lightdm fails, sddm should also failed. But it is possible that some scripts in lightdm do wrong things. Workaround: use sddm. But this is not very user-friendly and does not give a good out-of-the-box experience for average user. I would like to raise this as release blocker but I'm away from real computer for a while until tomorrow... CC:
(none) =>
ouaurelien
Aurelien Oudelet
2021-02-15 17:25:01 CET
Version:
Cauldron =>
8 Exactly the same problem for me. Migration from 7.1 to 8 by replacing repositories et urpmi auto-update. Switch to SDDM as workaround CC:
(none) =>
magnux77
Morgan Leijström
2021-02-15 17:55:47 CET
CC:
(none) =>
fri is the system running latest 5.10.16-1 kernel ? It was good today after a update. No, the system was running 5.10.14-desktop-1. After the update to 5.10.16-1, lightdm works fine. Thanks Thank you all for testing, reporting, fixing :) Resolution:
(none) =>
FIXED |