[ubuntu-x] X transition time!

Bryce Harrington bryce at canonical.com
Mon Feb 6 17:53:29 UTC 2012

Known bug with fglrx, already filed on launchpad against

On Wed, Jan 25, 2012 at 09:53:56AM +0530, Pritam Baral wrote:
> I just came across this unusual behaviour. I upgraded to the new X server
> on Tuesday night, watched a couple of videos (in VLC, with Hardware
> Acceleration,) and all was fine. I hadn't rebooted. Somewhere during the
> early hours of Wednesday, I must have rebooted, tho I don't recall it. In
> the morning when I try to play a video, X segfaults! I disabled Hardware
> Acceleration and all was fine! I immediately downgraded packages
> *xserver-xorg* and *xorg* and rebooted, but the problem was still present.
> Info:
> ATI Radeon 5470 with fglrx from the repos
> The VLC output:
> Warning: call to rand()
> Warning: call to rand()
> Warning: call to rand()
> Warning: call to rand()
> Warning: call to rand()
> vlc: Fatal IO error 104 (Connection reset by peer) on X server :0.
> [0x20de5b0] xcb_xv generic error: X server failure
> The Xorg.0.log.old showed a Segmentation Fault.
> I haven't been able to isolate the problem, not having expertise in these
> matters, and hence couldn't decide which package to file a bug against, but
> I'm willing to learn. Any guidance will be greatly appreciated.
> PS: Removing fglrx solves the problem, but I think that's more because
> Hardware Acceleration is not supported by the radeon drivers at all.
> Regards,
> Chhatoi Pritam Baral

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