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Date: Tue, 25 Sep 2007 16:57:49 +0200
From: Ravna <ravna@nerdshack.com>
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Subject: Reboot after mount of already mounted disk
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I'm running  7-Current built on 09/15 .
When accidentially trying to mount a NTFS disk that was already mounted, 
the system rebooted.
The message I got was: "lockmgr locking against itself."
I did this several times on purpose, with NTFS and EXT2 disks, with the 
same result.
UFS2 disks seem unaffected.