Serious deadlock possibility in GEOM.

[Pawel Jakub Dawidek]

Hello.

I've spend few days on tracking this down and...

The problem is g_pending_events counter leak - it is not decreased on
event cancelation and because of that g_waitidle() will wait forever.

Patch is here:

	http://garage.freebsd.pl/patches/geom_event.c.2.patch

-- 
Pawel Jakub Dawidek                       pawel at dawidek.net
UNIX Systems Programmer/Administrator     http://garage.freebsd.pl
Am I Evil? Yes, I Am!                     http://cerber.sourceforge.net
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