From: Eric Sandeen <sandeen@redhat.com>
To: "Toralf Förster" <toralf.foerster@gmx.de>
Cc: linux-ext4@vger.kernel.org
Subject: Re: v3.10: unmount won't work
Date: Thu, 16 May 2013 15:49:04 -0500 [thread overview]
Message-ID: <51954640.5050709@redhat.com> (raw)
In-Reply-To: <519544F5.8010703@gmx.de>
On 5/16/13 3:43 PM, Toralf Förster wrote:
> On 05/16/2013 10:36 PM, Eric Sandeen wrote:
>> any chance you've got anything crazy going on like mounting the same loop
>> file on 2 machines via an nfs export, or anything else out of the ordinary?
>>
> I mount that directory only from 1 UML guest and only once.
> The I run a lot of trinity test in the UML guest suing that share.
which apparently manages to break things - as intended. ;)
Can you narrow down which syscalls cause the problem?
> After that the UML guest was shutdowned.
> Finally I stoped teh NFS daemon at the host.
> Then I tried to unmount the the drive.
>
>> If you mount it and do "find -inum 32017 /mount/point" for each of the inode
>> numbers below, do the files in question have anything unique going on?
>
>
> n22 ~ # find /mnt/trinity/ -inum 32017
>
>
> FWIW :
>
> n22 ~ # umount /mnt/trinity/
> umount: /mnt/trinity: not mounted
Is this the very first umount call . . . ?
> n22 ~ # grep trinity /etc/mtab /proc/mounts
> /etc/mtab:/dev/loop0 /mnt/trinity ext4 rw 0 0
... because it seems to already be unmounted, if it's
not in /proc/mounts (though checking for loop0 in /proc/mounts
might be worthwhile too)
-Eric
>
>
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next prev parent reply other threads:[~2013-05-16 20:49 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-14 19:12 v3.10: unmount won't work Toralf Förster
2013-05-14 20:09 ` Toralf Förster
2013-05-14 20:09 ` Toralf Förster
2013-05-14 21:12 ` Eric Sandeen
2013-05-16 20:23 ` Toralf Förster
2013-05-16 20:23 ` Toralf Förster
2013-05-16 20:36 ` Eric Sandeen
2013-05-16 20:43 ` Toralf Förster
2013-05-16 20:49 ` Eric Sandeen [this message]
2013-05-17 18:08 ` Toralf Förster
2013-05-16 20:45 ` Toralf Förster
2013-05-16 20:50 ` Eric Sandeen
2013-05-16 20:50 ` Toralf Förster
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