From: Jan Kara <jack@suse.cz>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: Jan Kara <jack@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
adilger@sun.com, linux-ext4@vger.kernel.org,
Linux kernel mailing list <linux-kernel@vger.kernel.org>,
mszeredi@suse.cz
Subject: Re: busy inodes -> ext3 umount crash
Date: Tue, 20 Apr 2010 17:28:44 +0200 [thread overview]
Message-ID: <20100420152844.GB3885@quack.suse.cz> (raw)
In-Reply-To: <4BCDB633.9040901@gmail.com>
On Tue 20-04-10 16:12:03, Jiri Slaby wrote:
> On 04/19/2010 04:33 PM, Jiri Slaby wrote:
> > The trigger for busy inodes is as simple as (I=initialization done only
> > once):
> > I> # dd if=/dev/zero of=/dev/shm/ext3 bs=1024 count=1 seek=$((100*1024))
> > I> # mkfs.ext3 -m 0 /dev/shm/ext3
> > # mount -oloop /dev/shm/ext3 /mnt/c
> > # umount /mnt/c
> > # dmesg|tail
> > VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds.
> > Have a nice day...
> >
> > (The printk time varies -- this sequence really suffices.)
>
> Well, this happens only after gnome-session is started and it's fuzzy --
> sometimes it happens, sometimes not. I didn't find 100% trigger yet.
Hmph - maybe something in inotify? Dunno...
> >> So if you can easily reproduce
> >> the "busy inodes" message then I'd start with debugging that one. Do you
> >> see it also with vanilla kernels?
>
> Vanilla seems not to be affected. It's in next/master already though
> (2603ecd9). I'll investigate it further later.
Do you mean it's in today's linux-next but not in Linus' tree?
Honza
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
next prev parent reply other threads:[~2010-04-20 15:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-16 18:09 busy inodes -> ext3 umount crash Jiri Slaby
2010-04-19 14:11 ` Jan Kara
2010-04-19 14:33 ` Jiri Slaby
2010-04-20 14:12 ` Jiri Slaby
2010-04-20 15:28 ` Jan Kara [this message]
2010-04-21 15:16 ` Jiri Slaby
2010-04-21 15:24 ` Eric Paris
2010-04-21 15:47 ` Jiri Slaby
2010-04-21 16:00 ` Eric Paris
2010-04-21 21:25 ` Eric Paris
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