Re: BUG at fs/btrfs/relocation.c:1055 during balance.

2013-08-20 Thread Lutz Euler
Josef Bacik wrote:

> Yup it's
> 
> Btrfs: change how we queue blocks for backref checking

Thanks, found it.

Greetings,

Lutz
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Re: BUG at fs/btrfs/relocation.c:1055 during balance.

2013-08-20 Thread Josef Bacik
On Tue, Aug 20, 2013 at 07:17:23PM +0200, Lutz Euler wrote:
> Josef Bacik wrote:
> > On Mon, Aug 19, 2013 at 11:44:19PM +0200, Lutz Euler wrote:
> > > Hi,
> > > 
> > > during a balance I got the BUG from the subject line, followed by
> > > BUG: unable to handle kernel paging request at 0008a940.
> > This should be fixed in btrfs-next.  Thanks,
> 
> Thanks for the info. That is great!
> 
> Unfortunately, I am reluctant to run btrfs-next, but I intend to add an
> additional device to this filesystem in the near future and run balance
> again then, so could you point me to a commit id in btrfs-next with the
> fix? Then I could try to patch 3.6.11-rc6 with that commit or would at
> least be able to notice when the fix is going to Linus' tree.
> 
> Thanks again,
> 

Yup it's

Btrfs: change how we queue blocks for backref checking

Thanks,

Josef
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Re: BUG at fs/btrfs/relocation.c:1055 during balance.

2013-08-20 Thread Lutz Euler
Josef Bacik wrote:
> On Mon, Aug 19, 2013 at 11:44:19PM +0200, Lutz Euler wrote:
> > Hi,
> > 
> > during a balance I got the BUG from the subject line, followed by
> > BUG: unable to handle kernel paging request at 0008a940.
> This should be fixed in btrfs-next.  Thanks,

Thanks for the info. That is great!

Unfortunately, I am reluctant to run btrfs-next, but I intend to add an
additional device to this filesystem in the near future and run balance
again then, so could you point me to a commit id in btrfs-next with the
fix? Then I could try to patch 3.6.11-rc6 with that commit or would at
least be able to notice when the fix is going to Linus' tree.

Thanks again,

Lutz
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Re: BUG at fs/btrfs/relocation.c:1055 during balance.

2013-08-20 Thread Josef Bacik
On Mon, Aug 19, 2013 at 11:44:19PM +0200, Lutz Euler wrote:
> Hi,
> 
> during a balance I got the BUG from the subject line, followed by
> BUG: unable to handle kernel paging request at 0008a940.
> The machine needed to be rebooted afterwards; the filesystem was
> successfully mounted and the balance resumed and finished successfully.
> I then ran scrub which found no errors.
> 
> I have run the same balance command several times already in the past,
> without problems. This was the first time I tried it under kernel
> 3.11.0-rc6.
> 
> Please find below:
> 
> - the balance command I issued
> - software versions
> - filesystem information (taken after the reboot and after the balance
>   finished)
> - the syslog entries from the start of the balance until the machine
>   was rebooted
> - an excerpt from syslog at reboot
> 
> Thanks for looking into this,
> 

This should be fixed in btrfs-next.  Thanks,

Josef
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