I have a computer that running Ubuntu 10.04.2 LTS. Consistently after a couple hours the X desktop and gnome dies. It works fine on my other computers but this computer is an intel 2.4 GHz, 1.5 GB.
This can't be duplicated by anything specific, but I know it's not out of RAM at this point. The console keyboard and mouse are inoperational, and the monitor display seems to be going through test patterns, which turns out to be that the monitor is trying to sync to video output which is switching on about once a second. I can ssh into the box and see that many processes that were running are no longer running, for example gnome-session... and that once per second there is a new X process invoked with a different auth-for-gem parameter, per below: /usr/bin/X :0 -nr -verbose -auth /var/run/gdm/auth-for-gdm-Kynptf/database -nolisten tcp (one second later...) /usr/bin/X :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-GfBhRk/database -nolisten tcp (one second later...) /usr/bin/X :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-PribK0/database -nolisten tcp How can I troubleshoot this? Here is some info from various logfiles: # dmesg | grep agp [ 4.345441] Linux agpgart interface v0.103 [ 4.377791] agpgart-intel 0000:00:00.0: Intel 830M Chipset [ 4.378057] agpgart-intel 0000:00:00.0: detected 892K stolen memory [ 4.381363] agpgart-intel 0000:00:00.0: AGP aperture is 128M @ 0xf0000000 # dmesg | grep -i vga [ 0.000000] Console: colour VGA+ 80x25 [ 0.119552] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.119619] vgaarb: loaded [ 4.517038] vga16fb: initializing [ 4.517045] vga16fb: mapped to 0xc00a0000 [ 4.517268] fb0: VGA16 VGA frame buffer device # tail /var/log/messages May 28 17:22:22 ubuntu pulseaudio[9271]: pid.c: Stale PID file, overwriting. May 28 17:22:22 ubuntu pulseaudio[9271]: main.c: Unable to contact D-Bus: org.freedesktop.DBus.Error.NoServer: Failed to connect to socket /tmp/dbus-i7xEal70Ls: Connection refused # tail /var/log/Xorg.0.log (II) GLX: Initialized DRI2 GL provider for screen 0 (II) intel(0): Setting screen physical size to 270 x 203 Fatal server error: Failed to submit batchbuffer: Input/output error # tail /usr/adm/kern.log May 28 17:45:54 ubuntu kernel: [577246.001043] [drm:i915_gem_idle] *ERROR* hardware wedged May 28 17:45:55 ubuntu kernel: [577247.175163] [drm:i915_gem_entervt_ioctl] *ERROR* Reenabling wedged hardware, good luck May 28 17:45:55 ubuntu kernel: [577247.488009] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung _______________________________________________ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com