Re: Scrub and raid10 (3.9-rc2+) transid verify failed

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On Tue, Mar 12, 2013 at 11:03:12AM -0600, David Sterba wrote:
> Hi,
> 
> while testing the userspace scrub updates, I've found lots of parent
> transid verify failures (see below) that are likely unrelated to the
> userspace patches.
> 
> The filesystem was freshly created with raid10/raid10 profiles on 4x10G
> partitions (sda5...8) and there was
> 
> fs_mark -D 5000 -S0 -n 100000 -s 0 -L 200 -d /mnt/a1/scratch/0
> (16x -d ...)
> 
> running when I started scrub on /dev/sda5, ran status a few times and
> then ran scrub cancel.
> 
> Cancel hung
> 
> kernel is 3.9-rc2 + chris/for-linus + btrfs-next/master
> 

Please go back to just 3.9-rc2 and see if you can trigger it.  Josef put
his skinny extents into btrfs-next/master, which is pretty exciting but
may be related to these failures.

I'm unable to reproduce here so far.

-chris
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