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re: kern/45305: umount says device busy without any process having current directory in the mount or file open
The following reply was made to PR kern/45305; it has been noted by GNATS.
From: matthew green <mrg%eterna.com.au@localhost>
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
Subject: re: kern/45305: umount says device busy without any process having
current directory in the mount or file open
Date: Mon, 29 Aug 2011 20:22:20 +1000
what does "fstat" say in this case? it should report any thing that
is showing an open filesystem. also, for the killed everything case,
what processes are running?
also, what about "mount -a"? fstat doesn't report nullfs mounts that
keep a filesystem busy.
this should help track down what is holding the fs open.
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