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Ubuntu release :
================
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Version of package : gnome-control-center:
==========================================
Installed: 1:3.36.4-0ubuntu1
Candidate: 1:3.36.4-0ubuntu1
Version table:
*** 1:3.36.4-0ubuntu1 500
500 http://fr.archive.ubuntu.com/ubuntu focal-updates/main amd64
Packages
100 /var/lib/dpkg/status
1:3.36.1-1ubuntu5 500
500 http://fr.archive.ubuntu.com/ubuntu focal/main amd64 Packages
What happens:
=============
1) My session crashes when I launch gnome-control-center or
unity-control-center.
In case it can help, the Xorg.log file reports 2 errors
[ 13421.807] (EE) open /dev/fb0: Permission denied
[ 13421.853] (EE) modeset(0): glamor initialization failed
2) Another strange stuff, is that another user cannot log anymore on this
Ubuntu box (3 users are defined, 2 manages to loggin, the 3rd one fails). When
the 3rd user logs, the screen goes black, and after a while you see the login
screen with the 3 usernames.
2260.041] (EE) Backtrace:
[ 2260.041] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x13c) [0x56545709ce0c]
[ 2260.042] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0 (funlockfile+0x60)
[0x7fb5021c441f]
[ 2260.042] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0xcb)
[0x7fb50200118b]
[ 2260.042] (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (abort+0x12b)
[0x7fb501fe0859]
[ 2260.043] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 2260.043] (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (?+0x0) [0x7fb501fe071a]
[ 2260.043] (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (__assert_fail+0x46)
[0x7fb501ff1f36]
[ 2260.043] (EE) 6: /usr/lib/xorg/Xorg (DRIMoveBuffersHelper+0xc15)
[0x565457067d85]
[ 2260.044] (EE) 7: /usr/lib/xorg/Xorg (DRI2Authenticate+0xa2) [0x5654570693d2]
[ 2260.044] (EE) 8: /usr/lib/xorg/Xorg (DRI2GetParam+0x944) [0x56545706a794]
[ 2260.044] (EE) 9: /usr/lib/xorg/Xorg (SendErrorToClient+0x354)
[0x565456f3bf44]
[ 2260.044] (EE) 10: /usr/lib/xorg/Xorg (InitFonts+0x3b4) [0x565456f3ffd4]
[ 2260.044] (EE) 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf3)
[0x7fb501fe20b3]
[ 2260.044] (EE) 12: /usr/lib/xorg/Xorg (_start+0x2e) [0x565456f29a3e]
[ 2260.044] (EE)
[ 2260.044] (EE)
Fatal server error:
[ 2260.044] (EE) Caught signal 6 (Aborted). Server aborting
[ 2260.044] (EE)
[ 2260.044] (EE)
Those weird behaviors happened after having used the openshot AppImage
(but not sure this is the root cause) https://github.com/OpenShot
/openshot-qt/releases/download/v2.5.1/OpenShot-v2.5.1-x86_64.AppImage.
** Affects: xorg-server (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: focal
--
Xorg crash upon several conditions
https://bugs.launchpad.net/bugs/1889975
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