FS#12528 - xorg-server crashes with infinite loop

Attached to Project: Arch Linux
Opened by Martin Schmidt (Blind) - Sunday, 21 December 2008, 16:03 GMT
Last edited by Jan de Groot (JGC) - Sunday, 21 December 2008, 21:39 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version None
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
When starting X after console login (using startx), everything is fine. Terminating X and going to the console, then restarting X (using startx) causes the following error:

[mi] EQ overflowing. The server is probably stuck in an infinite loop.

The server is frozen, mouse is still moving, but keyboard is dead, clicking useless. Hard reboot is needed (even SysRq doesn't work!).

Seems like an upstream bug?
dri-devel@lists.sourceforge.net/msg36917.html"> http://www.mail-archive.com/dri-devel@lists.sourceforge.net/msg36917.html
dri-devel@lists.sourceforge.net/10930500.html"> http://www.opensubscriber.com/message/dri-devel@lists.sourceforge.net/10930500.html

Additional info:
* package version(s)
xorg-server 1.5.3-4
* config and/or log files etc.
xorg.conf
Xorg.0.log

Steps to reproduce:
See description above.
   Xorg.0.log (36.7 KiB)
   xorg.conf (1.6 KiB)
This task depends upon

Closed by  Jan de Groot (JGC)
Sunday, 21 December 2008, 21:39 GMT
Reason for closing:  Fixed
Additional comments about closing:  Fixed with intel-dri 7.2-2.
Comment by Jan de Groot (JGC) - Sunday, 21 December 2008, 16:10 GMT
I see there's something related to VBlank in your backtrace. Could you try to put this in /etc/drirc?
<driconf>
<device screen="0" driver="i915">
<application name="Default">
<option name="vblank_mode" value="0" />
</application>
</device>
</driconf>
Comment by Jan de Groot (JGC) - Sunday, 21 December 2008, 16:12 GMT
I see you're having the MigrationHeuristic option set in xorg.conf also, this one causes display corruption in some applications, you might want to remove that option also. It shouldn't affect this bug however.
Comment by Martin Schmidt (Blind) - Sunday, 21 December 2008, 18:49 GMT
Wow, I guess that's why you are a developer and me not :) (I didn't even know about /etc/drirc, which I created for this).
That worked, lemme find out which one of the two did the trick...
Thanks for you quick help.
Comment by Martin Schmidt (Blind) - Sunday, 21 December 2008, 18:53 GMT
Ok, it wasn't the Heuristic. Since when does this cause trouble? For a while, that was the only way to get EXA going on the intels...oh well.
Thanks again, the /etc/drirc was the solution for this bug.

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