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From: Andi Kleen <andi@firstfloor.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Andi Kleen <andi@firstfloor.org>, linux-xfs@vger.kernel.org
Subject: Re: Shutdown preventing umount
Date: Sun, 15 Mar 2020 20:37:19 -0700	[thread overview]
Message-ID: <20200316033717.bnofrpg5yrciyhvz@two.firstfloor.org> (raw)
In-Reply-To: <20200316020342.GP10776@dread.disaster.area>

On Mon, Mar 16, 2020 at 01:03:42PM +1100, Dave Chinner wrote:
> On Sat, Mar 14, 2020 at 06:31:10AM -0700, Andi Kleen wrote:
> > 
> > Hi,
> > 
> > I had a cable problem on a USB connected XFS file system, triggering 
> > some IO errors, and the result was that any access to the mount point
> > resulted in EIO. This prevented unmounting the file system to recover
> > from the problem. 
> 
> Full dmesg output, please.

http://www.firstfloor.org/~andi/dmesg-xfs-umount

> > 
> > XFS (...): log I/O error -5
> > 
> > scsi 7:0:0:0: rejecting I/O to dead device
> 
> Where is unmount stuck? 'echo w > /proc/sysrq-trigger' output if it
> is hung, 'echo l > /proc/sysrq-trigger' if it is spinning, please?

It's not stuck. It always errored out with EIO.

-Andi

  reply	other threads:[~2020-03-16  3:37 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-14 13:31 Shutdown preventing umount Andi Kleen
2020-03-16  2:03 ` Dave Chinner
2020-03-16  3:37   ` Andi Kleen [this message]
2020-03-16  5:25     ` Dave Chinner

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