Re: [3.10-rc6] WARNING: at fs/btrfs/inode.c:7961btrfs_destroy_inode+0x265/0x2e0 [btrfs]()

From: Chris Mason
Date: Wed Jun 19 2013 - 14:46:18 EST


Quoting Dave Jones (2013-06-19 14:34:50)
> On Wed, Jun 19, 2013 at 02:02:33PM -0400, Chris Mason wrote:
> > Quoting Dave Jones (2013-06-17 14:58:10)
> > > On Mon, Jun 17, 2013 at 02:42:27PM -0400, Chris Mason wrote:
> > > > Quoting Dave Jones (2013-06-17 14:20:06)
> > > > > On Mon, Jun 17, 2013 at 01:39:42PM -0400, Chris Mason wrote:
> > > > > > Quoting Dave Jones (2013-06-17 09:49:55)
> > > > > > > Hit this while running this script in a loop..
> > > > > > > https://github.com/kernelslacker/io-tests/blob/master/setup.sh
> > > > > > > [34385.251507] ------------[ cut here ]------------
> > > > > > > [34385.254068] WARNING: at fs/btrfs/inode.c:7961 btrfs_destroy_inode+0x265/0x2e0 [btrfs]()
> > > > > >
> > > > > > Thanks Dave, how long did you have to run the script to trigger it?
> > > > >
> > > > > Judging by the timestamp, about 9 hours. This is on a 3 disk (sata)
> > > > > (oldish) quad opteron. Might repro faster on a more modern machine.
> > > >
> > > > Exactly how did you run it? I want to make sure I'm matching your
> > > > config.
> > >
> > > while [ 1 ];
> > > do
> > > setup.sh
> > > done
> > >
> > > You'll need to set DISK1 etc variables at the top of the script to point to
> > > at least 3 disks for it to scribble over.
> > >
> > > you'll also need fsx and fsstress in /usr/local/bin.
> >
> > I've tried with and without memory pressure, and let it run for about 30
> > hours. So far, nothing here. Have you seen this again?
>
> yeah, one time I hit it within 30 minutes.

Ok, I'll try bumping the thread count on both fsstress and fsx

-chris

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/