gnome-session-check-accelerated crashed with SIGSEGV
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
gnome-session (Ubuntu) |
Incomplete
|
Undecided
|
Unassigned |
Bug Description
After Logout or Resume one ultimately ends up at a black screen on a completely unresponsive system.
Only the power button helps in this case - I guess the "Emergency Sync" in the attached syslog marks the point in time when the power button was pressed.
###
apt-cache policy gdm3:
gdm3:
Installed: 3.28.2-0ubuntu1.4
Candidate: 3.28.2-0ubuntu1.4
Version table:
*** 3.28.2-0ubuntu1.4 500
500 http://
500 http://
100 /var/lib/
3.
500 http://
lsb_release -rd:
Description: Ubuntu 18.04.1 LTS
Release: 18.04
It looks like updating the screen is failing:
Sep 5 22:13:31 testclient02 /usr/lib/ gdm3/gdm- x-session[ 1768]: (II) modeset(0): EDID vendor "NCP", prod id 28 gdm3/gdm- x-session[ 1768]: (II) modeset(0): Printing DDC gathered Modelines: gdm3/gdm- x-session[ 1768]: (II) modeset(0): Modeline "1920x1080"x0.0 139.77 1920 1968 2000 2080 1080 1083 1089 1120 -hsync -vsync (67.2 kHz eP) gdm3/gdm- x-session[ 1768]: (II) modeset(0): Modeline "1920x1080"x0.0 111.82 1920 1968 2000 2080 1080 1083 1089 1120 -hsync -vsync (53.8 kHz e) gdm3/gdm- x-session[ 1087]: (WW) modeset(0): flip queue failed: Permission denied gdm3/gdm- x-session[ 1087]: (WW) modeset(0): Page flip failed: Permission denied gdm3/gdm- x-session[ 1087]: (EE) modeset(0): present flip failed gdm3/gdm- x-session[ 1087]: (WW) modeset(0): flip queue failed: Permission denied gdm3/gdm- x-session[ 1087]: (WW) modeset(0): Page flip failed: Permission denied gdm3/gdm- x-session[ 1087]: (EE) modeset(0): failed to set mode: Permission denied gdm3/gdm- x-session[ 1087]: (WW) modeset(0): flip queue failed: Permission denied gdm3/gdm- x-session[ 1087]: (WW) modeset(0): Page flip failed: Permission denied gdm3/gdm- x-session[ 1087]: (EE) modeset(0): present flip failed gdm3/gdm- x-session[ 1087]: (WW) modeset(0): flip queue failed: Permission denied gdm3/gdm- x-session[ 1087]: (WW) modeset(0): Page flip failed: Permission denied gdm3/gdm- x-session[ 1087]: (EE) modeset(0): present flip failed gdm3/gdm- x-session[ 1087]: (WW) modeset(0): flip queue failed: Permission denied gdm3/gdm- x-session[ 1087]: (WW) modeset(0): Page flip failed: Permission denied gdm3/gdm- x-session[ 1087]: (EE) modeset(0): present flip failed
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/
Sep 5 22:13:31 testclient02 /usr/lib/