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Date:      Thu, 22 Oct 2009 20:03:23 GMT
From:      Yuri <yuri@tsoft.com>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   kern/139847: gem_mbr load/unload causes system to hang
Message-ID:  <200910222003.n9MK3N3m004099@www.freebsd.org>
Resent-Message-ID: <200910222010.n9MKA12U090897@freefall.freebsd.org>

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>Number:         139847
>Category:       kern
>Synopsis:       gem_mbr load/unload causes system to hang
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Oct 22 20:10:01 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator:     Yuri
>Release:        FreeBSD 9.0-RC2
>Organization:
n/a
>Environment:
>Description:
I did 'kldload geom_mbr'. After this it printed many messages into dmesg that various partitions don't start/end on the track boundary.
Subsequent 'kldunload geom_mbr' command hanged. kill -9 didn't kill it either.
System completely hanged after exiting from X server.

The only special circumstance was that another, unused IDE harddrive was attached to the system. And it was formatted by some OEM with Windows.

>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:



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