Re: WARNING: at fs/btrfs/free-space-cache.c:921 __btrfs_write_out_cache+0x6b9/0x9a0 [btrfs]()

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On Wed, May 01, 2013 at 12:39:47AM -0600, Alexander Skwar wrote:
> Hello Josef
> 
> On Tue, Apr 30, 2013 at 7:53 PM, Josef Bacik <jbacik@xxxxxxxxxxxx> wrote:
> 
> > Can you run this patch and capture the output when you get the warning?  You
> > should see some mesages before the -- [ cut here ] -- part, make sure to capture
> > those.  Thanks,
> 
> Sure.
> 
> There you go (also on http://pastebin.com/7MHmgpPU):
> 
>  num_pages is 10000, blockgroup? yes
>  block group offset=83999326208, size=167959920640

Ok well that's not good, I'm not sure how you got a 156 gigabyte block group,
but thats why that warning is going off.  Can you pull btrfs-image down from
here

git://github.com/josefbacik/btrfs-progs.git

and build that and then run

./btrfs-image -c 9 -t 4 /dev/whatever somefile.img

and upload the image somewhere so I can take a look at it.  Thanks,

Josef
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