From: Eric Sandeen <sandeen@redhat.com>
To: "Toralf Förster" <toralf.foerster@gmx.de>
Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: v3.10: unmount won't work
Date: Tue, 14 May 2013 16:12:46 -0500 [thread overview]
Message-ID: <5192A8CE.30809@redhat.com> (raw)
In-Reply-To: <51928CB5.2050406@gmx.de>
On 5/14/13 2:12 PM, Toralf Förster wrote:
> At a stable 32 bit stable Gentoo with kernel v3.10-rc1-113-ga2c7a54 I cannot umount an (EXT4) fs
> which was created in a file located in a tmpfs partition and loop mounted :
>
> That file system was used to hold victims files shared via NFSv4 to an user mode linux
> on which trinity was used to fuzz testing a patched UML guest kernel.
>
> n22 ~ # mount
> ...
> nfsd on /proc/fs/nfsd type nfsd (rw,nodev,noexec,nosuid)
> /mnt/ramdisk/disk0 on /mnt/trinity type ext4 (rw)
Is your "mount" looking at /etc/mtab ot at /proc/mounts?
What does /proc/mounts say, does it contain this device or mountpoint?
> n22 ~ # umount /mnt/trinity
> umount: /mnt/trinity: not mounted
-Eric
next prev parent reply other threads:[~2013-05-14 21:12 UTC|newest]
Thread overview: 4+ 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 21:12 ` Eric Sandeen [this message]
2013-05-16 20:23 ` Toralf Förster
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