From: Chris Mason <chris.mason@oracle.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: Warning: bad fsid on block 20971520
Date: Wed, 11 Jan 2012 17:54:39 -0500 [thread overview]
Message-ID: <20120111225439.GL2179@shiny> (raw)
In-Reply-To: <20120111223434.GY7322@twin.jikos.cz>
On Wed, Jan 11, 2012 at 11:34:34PM +0100, David Sterba wrote:
> On Wed, Jan 11, 2012 at 11:37:14AM -0500, Chris Mason wrote:
> > I've been seeing this as well. It's new with 3.2, and I haven't yet
> > been able to track it down.
> >
> > The first thing that happens when we mount the FS is a block layer
> > invalidate, and that must be dropping the write.
> >
> > It's also possible (but very unlikely) that mkfs.btrfs is neglecting to
> > write that block.
> >
> > Do you have a reliable way to reproduce? If so, can you try with a much
> > older mkfs.btrfs.
>
> I built mkfs from v0.19 and let 209 loop again, the error appeared 6x
> during 3 hours, the last 5 occurences within 10 minutes. Should I try
> even older mkfs?
Nah, I'd try the latest mkfs on a 3.0 kernel. I think its a change to
the block device invalidate code that happens on mount.
-chris
next prev parent reply other threads:[~2012-01-11 22:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-11 15:46 Warning: bad fsid on block 20971520 David Sterba
2012-01-11 16:37 ` Chris Mason
2012-01-11 22:34 ` David Sterba
2012-01-11 22:54 ` Chris Mason [this message]
2012-01-16 14:34 ` David Sterba
2012-01-16 18:36 ` David Sterba
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