On Sun, Jul 18, 2010 at 15:34:22 +0100, Alan Chandler wrote: > >On 14/07/10 17:25, Bob Proulx wrote: > >>Florian Kulzer wrote: > >>>Do you see signs of an X server restart or > >>>anything else that looks suspicious in /var/log/Xorg.0.log or > >>>/var/log/Xorg.0.log.old or /var/log/syslog? > >> > >>See also the ~/.xsesssion-errors file.
[...] > It has happened again whilst I was having lunch today. System had > been idle for about 4 hours and when I came back to it I had been > logged out. Only 15 minutes ago (so it had worked perfectly up > until then) it created an /var/log/Xorg.0.log.old file with ... > > Fatal server error: > Failed to submit batchbuffer: Input/output error That is a problem with the video driver; your GPU is choking on a set of instructions that it is supposed to execute. Which video chipset do you use, which version of the X server and which kernel? (An Intel 845 series chipset with Sid's Xorg and kernel, maybe?) -- Regards, | Florian | -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20100718171942.ga4...@isar.localhost