X restarts when I try to play videos

[Tiago Hillebrandt]

When I try to play some video in a player (tested in Totem and in VLC) the session is closed and go back to the Unity greeter.

Follow the errors found in /var/log/syslog file:

Feb 20 22:49:26 scd-notebook gnome-session[5595]: Gdk-WARNING: gnome-session: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.#012
Feb 20 22:49:26 scd-notebook acpid: client 5425[0:0] has disconnected
Feb 20 22:49:26 scd-notebook acpid: client connected from 6682[0:0]
Feb 20 22:49:26 scd-notebook acpid: 1 client rule loaded

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-session 3.2.1-0ubuntu5
ProcVersionSignature: Ubuntu 3.2.0-17.26-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 1.92-0ubuntu1
Architecture: amd64
Date: Mon Feb 20 22:59:17 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120201.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=pt_BR:
 PATH=(custom, no user)
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-session
UpgradeStatus: No upgrade log present (probably fresh install)

[Paolo Rotolo (paolorotolo)]

Thanks for reporting this bug and any supporting documentation. Since this bug has enough information provided for a developer to begin work, I'm going to mark it as confirmed and let them handle it from here. Thanks for taking the time to make Ubuntu better!

[matthieu vidal (mvidal0001)]

I have this problem too with my new webcam (I bought it today : logitech C270).

The unity or gnome-shell or xfce session is killed very very fast each time I want to read the webM videos that I've recorded with cheese. reading wmv videos kill session too.

Trying to capture a video using vlc 2 ... or starting guvcview (1.5.2) kill the session immediately. Cheese is the only one which work.

The only way to read the webm videos is to use firefox 12 beta 4 (HTML5 reader).

Sorry ... I can't tell you if it's a regression cause I did not use my previous webcam during few months.

[Sebastien Bacher (seb128)]

Thank you for your bug report, could you add your /var/log/Xorg.0.log.old to the bug after getting the issue?

[Sebastien Bacher (seb128)]

the issue is a fglrx driver one:

[ 4357.528] 0: /usr/bin/X (xorg_backtrace+0x26) [0x7f4c86e732f6]
[ 4357.528] 1: /usr/bin/X (0x7f4c86ceb000+0x18c19a) [0x7f4c86e7719a]
[ 4357.528] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f4c86011000+0xfcb0) [0x7f4c86020cb0]
[ 4357.528] 3: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so (xs111LookupPrivate+0x22) [0x7f4c82ca8c72]
[ 4357.528] 4: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so (xclLookupPrivate+0xd) [0x7f4c8267b75d]
[ 4357.528] 5: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/amdxmm.so (X740XvPutImage+0x12e) [0x7f4c7ebe88de]
[ 4357.528] 6: /usr/bin/X (0x7f4c86ceb000+0xa6bfe) [0x7f4c86d91bfe]
[ 4357.528] 7: /usr/lib/xorg/modules/extensions/libextmod.so (0x7f4c83d8e000+0xecb2) [0x7f4c83d9ccb2]
[ 4357.528] 8: /usr/bin/X (0x7f4c86ceb000+0x4e721) [0x7f4c86d39721]
[ 4357.528] 9: /usr/bin/X (0x7f4c86ceb000+0x3d64a) [0x7f4c86d2864a]
[ 4357.528] 10: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed) [0x7f4c84ea876d]
[ 4357.529] 11: /usr/bin/X (0x7f4c86ceb000+0x3d93d) [0x7f4c86d2893d]

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Chris Hermansen (c-hermansen)]

I am getting the same error message (in syslog). For me the symptoms are that my mouse and keyboard are still sending input to the X server, but I cannot seem to interact with any applications (ie click on buttons, menus etc).

I have to CTRL-ALT-BACKSPACE to get out of X. This has generally yielded a working x server but earlier today it did not; I had to reboot.

This has started since I upgraded to 12.04 and/or replaced my 1280x1024 monitor with a 1920x1080 monitor.

This is a serious problem for me as it happens about once a day and my applications are generally grievously interrupted by the recovery process.

I can post logs etc if required. Here is a fragment of syslog from just before the last occurrence to the reboot. I tried an X kill and fresh loging before the reboot whicih I imagine explains the thread priority setting happening twice.

[code]
May 17 14:22:22 madrid AptDaemon: INFO: Quitting due to inactivity
May 17 14:22:22 madrid AptDaemon: INFO: Quitting was requested
May 17 14:22:29 madrid rtkit-daemon[1492]: Successfully made thread 3917 of process 3917 (n/a) owned by '1000' high priority at nice level -11.
May 17 14:22:29 madrid rtkit-daemon[1492]: Supervising 4 threads of 2 processes of 2 users.
May 17 14:22:29 madrid pulseaudio[3917]: [pulseaudio] pid.c: Stale PID file, overwriting.
May 17 14:22:29 madrid rtkit-daemon[1492]: Successfully made thread 3918 of process 3917 (n/a) owned by '1000' RT at priority 5.
May 17 14:22:29 madrid rtkit-daemon[1492]: Supervising 5 threads of 2 processes of 2 users.
May 17 14:22:29 madrid rtkit-daemon[1492]: Successfully made thread 3919 of process 3917 (n/a) owned by '1000' RT at priority 5.
May 17 14:22:29 madrid rtkit-daemon[1492]: Supervising 6 threads of 2 processes of 2 users.
May 17 14:22:47 madrid goa[3951]: goa-daemon version 3.4.0 starting [main.c:112, main()]
May 17 14:23:33 madrid gnome-session[3799]: Gdk-WARNING: gnome-session: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.#012
May 17 14:23:34 madrid acpid: client 3623[0:0] has disconnected
May 17 14:23:34 madrid acpid: client connected from 4144[0:0]
May 17 14:23:34 madrid acpid: 1 client rule loaded
May 17 14:23:35 madrid rtkit-daemon[1492]: Successfully made thread 4267 of process 4267 (n/a) owned by '104' high priority at nice level -11.
May 17 14:23:35 madrid rtkit-daemon[1492]: Supervising 1 threads of 1 processes of 1 users.
May 17 14:23:35 madrid rtkit-daemon[1492]: Successfully made thread 4271 of process 4267 (n/a) owned by '104' RT at priority 5.
May 17 14:23:35 madrid rtkit-daemon[1492]: Supervising 2 threads of 1 processes of 1 users.
May 17 14:23:35 madrid rtkit-daemon[1492]: Successfully made thread 4272 of process 4267 (n/a) owned by '104' RT at priority 5.
May 17 14:23:35 madrid rtkit-daemon[1492]: Supervising 3 threads of 1 processes of 1 users.
May 17 14:23:35 madrid rtkit-daemon[1492]: Successfully made thread 4275 of process 4275 (n/a) owned by '104' high priority at nice level -11.
May 17 14:23:35 madrid rtkit-daemon[1492]: Supervising 4 threads of 2 processes of 1 users.
May 17 14:23:35 madrid pulseaudio[4275]: [pulseaudio] pid.c: Daemon already running.
May 17 14:23:56 madrid k...