ports/116603: x11/xorg server 7.3 hangs up

[Marat N.Afanasyev]

flz at freebsd.org пишет:
> Synopsis: x11/xorg server 7.3 hangs up
> 
> State-Changed-From-To: open->feedback
> State-Changed-By: flz
> State-Changed-When: Jeu 13 mar 2008 13:11:53 UTC
> State-Changed-Why: 
> Can you try with intel driver and drm kernel module disabled?
> 
> http://www.freebsd.org/cgi/query-pr.cgi?pr=116603
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> 

Can you give me an advice what should i do to locate the problem? gdb 
says that it cannot backtrace running Xorg because of 'invalid address',
ktrace shows that Xorg tries to
ioctl(0x8,0x20006444, 0)
with
ioctl -1 errno 16 Device busy

xorg.conf:
http://zealot.ksu.ru/~marat/X/xorg.conf

ktrace dump:
http://zealot.ksu.ru/~marat/X/ktrace.out.bz2

This hang occurs pretty often when I write something in multiline html 
text-area using seamonkey.

-- 
SY, Marat