gnome logs out after pause? [feisty]

[Matt Price]

On Sat, 2007-03-10 at 11:19 -0500, John Dangler wrote:
> On Fri, 2007-03-09 at 23:18 -0500, Matt Price wrote:
> > On Fri, 2007-03-09 at 18:33 +0000, Gabriel Dragffy wrote:
> > > > > also found this in Xorg.0.log.old (but none of the other Xorg*log*
> > > > files, oddly enough: > >> SetGrabKeysState - disabled >> >>
> > >  Backtrace: >> 0: /usr/bin/X(xf86SigHandler+0x81) [0x80c5d81] >> 1:
> > >  [0xb7f60420] >> >> Fatal server error: >> Caught signal 11.  Server
> > >  aborting > > any hints?  thanks, > > matt > > 
> > > 
> > > I think the general consensus would be that you are running pre-release 
> > > software and would expect problems. Your best bet would be to search 
> > > launchpad.net for similar issues. If you don't find any then you could 
> > > report a bug, describe the problem, attach info such as you posted 
> > > above, the output of lspci -vv and lspci -vvn, and logs from /var/log 
> > > and see if others can reproduce it.
> > > 
> > ok, did some more testing/searching and i don't think it has much to do
> > with running beta software; it's due to a known xorg bug which was fixed
> > upstream a while a go, which affects all 3d stuff under certain
> > conditions, which seem to be attained more easily and reliably under
> > gnome than under other desktops.  in my case, the 10-minute crash cycle
> > was almost certainly caused by the SCREENSAVER coming on (!) and tryng
> > to execute some 3d code.  i've disabled the screensaver and i thnk it
> > will work fine now.  of course, this means all 3d stuff is broken on my
> > desktop -- a total bummer.  some references are:
> > http://www.nvnews.net/vbulletin/showthread.php?t=78275 (esp #9), which
> > details some xorg.log errors you might see )
> > http://forums.suselinuxsupport.de/index.php?showtopic=50585 
> > http://forum.beryl-project.org/viewtopic.php?f=47&t=2258 (suggests
> > starting beryl with --force-nvidia, which i haven't done; may or may not
> > work, doesn't solve the broader problem)
> > https://launchpad.net/ubuntu/+source/xorg-server/+bug/60288 (ubuntu bug
> > report)
> > https://bugs.freedesktop.org/show_bug.cgi?id=8537 (the upstream bug)
> > https://bugs.freedesktop.org/show_bug.cgi?id=1753 (or maybe this is
> > really the upstream bug?)
> > http://ubuntuforums.org/newreply.php?do=postreply&t=354697 (a recent
> > forum thread with reports from edgy and feisty users)
> > http://linuxfud.wordpress.com/2006/09/29/ubuntu-crashes-on-start-and-returns-to-the-login-screen/ (a similar issue )
> > http://gnomesupport.org/forums/viewtopic.php?t=12299 (another indication
> > this is a gnome-specific issue, even if the bug is really in xorg)
> > http://bugs.beryl-project.org/ticket/684 (beryl discussion of this bug)
> > 
> > hope this helps someone else, i have a workaround (don't run any 3d, and
> > make sure screensaver is diabled) but am not wholly satisfied.  
> > 
> > matt
> Matt~
> I wasn't either.  I lived with that mess under Dapper for the longest
> time, and narrowed it down to a couple of screensavers (which I
> removed).  I eventually turned off the screensaver (as you did), since I
> never got a satisfactory answer from anyone else on this.
> > 
> > 
> 
i seem to have more or less figured everything out now -- though i guess
that the bug is IN xorg, it can be triggered by nvidia's nonfree driver
relatively easily; but whatever the difficulty is, reinstalling the
nvidia driver can fix it, at least temporarily.  I think this may also
locate the cause of longer-term problems I had in diagnosing and fixing
problems with nvidia on this laptop from dapper onwards, including
problems with suspending the laptop.  so you mighyt want to try that, at
least if you're using nvidis.

but of course it al depends on what exactly you're doing that activates
this particular bug -- which hopefully will in any cae be fixed soon in
feisty.

matt

> 
-- 
Matt Price
History Dept
University of Toronto
matt.price at utoronto.ca
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