Thanks. The crash report is not usable according to the robots, not sure
why...
However your new prevboot.txt is useful and shows:
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE)
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) Backtrace:
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 0:
/usr/lib/xorg/Xorg (OsLookupColor+0x139) [0x555af506d7d9]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 1:
/lib/x86_64-linux-gnu/libpthread.so.0 (funlockfile+0x50) [0x7f69368f68df]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 2:
/usr/lib/xorg/modules/drivers/modesetting_drv.so (_init+0x6501) [0x7f6933be1251]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 3:
/usr/lib/xorg/Xorg (xf86RandR12Init+0x394) [0x555af4f8cae4]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 4:
/usr/lib/xorg/Xorg (xf86CrtcScreenInit+0x2b) [0x555af4f7f58b]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 5:
/usr/lib/xorg/modules/drivers/modesetting_drv.so (_init+0x3d0e) [0x7f6933bdbeee]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 6:
/usr/lib/xorg/Xorg (AddScreen+0xd7) [0x555af4f107e7]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 7:
/usr/lib/xorg/Xorg (InitOutput+0x3ce) [0x555af4f50c0e]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 8:
/usr/lib/xorg/Xorg (InitFonts+0x1dd) [0x555af4f1438d]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 9:
/lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7) [0x7f6936514b97]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) 10:
/usr/lib/xorg/Xorg (_start+0x2a) [0x555af4efe1ea]
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE)
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) Segmentation
fault at address 0x30
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE)
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: Fatal server error:
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE) Caught signal 11
(Segmentation fault). Server aborting
Jan 09 11:40:31 ektorp /usr/lib/gdm3/gdm-x-session[3134]: (EE)
which seems to agree with comments #8-#10.
** Summary changed:
- Gnome Xorg sessions fail to start with LDAP users (but Wayland or local users
work)
+ Gnome Xorg sessions fail to start with LDAP users (but Wayland or local users
work). Xorg crashes with SIGSEGV in ?? from _init() from xf86RandR12Init() from
xf86CrtcScreenInit()
** Changed in: xorg-server (Ubuntu)
Status: Incomplete => New
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Packages, which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1856846
Title:
Gnome Xorg sessions fail to start with LDAP users (but Wayland or
local users work). Xorg crashes with SIGSEGV in ?? from _init() from
xf86RandR12Init() from xf86CrtcScreenInit()
Status in xorg-server package in Ubuntu:
New
Bug description:
When trying to login to Gnome with an remote user from an LDAP (LDAP
is available and connectable when in GDM) using X11, GDM loops around
three to five times before actually granting access to the desktop.
This does not happen when
a) Wayland is used instead of X11 or,
b) the LDAP server is not reachable during login, using X11, or
c) a local user is logged in instead, using X11
The LDAP connection is established using the Univention Domain Join
Client: https://launchpad.net/~univention-
dev/+archive/ubuntu/ppa?field.series_filter=bionic
Do you require additional information?
Release:
Description: Ubuntu 18.04.3 LTS
Release: 18.04
GDM3:
gdm3:
Installed: 3.28.3-0ubuntu18.04.4
Candidate: 3.28.3-0ubuntu18.04.4
Version table:
*** 3.28.3-0ubuntu18.04.4 500
500 http://de.archive.ubuntu.com/ubuntu bionic-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu bionic-security/main amd64
Packages
100 /var/lib/dpkg/status
3.28.0-0ubuntu1 500
500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1856846/+subscriptions
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