Re: Crash with 3.8.3 and TuxOnIce

Pedro Ribeiro
2013-03-21T17:45:32Z

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On 21 March 2013 01:01, Dave Chinner <david@fromorbit.com> wrote:

> On Wed, Mar 20, 2013 at 06:01:35PM +0000, Pedro Ribeiro wrote:
> > Thanks for the answer Dave.
> >
> > Yes I would definitely say it's a ToI bug that perhaps has been dormant
> so
> > far. Unfortunately the ToI developer is very busy at the moment, so I
> will
> > have to debug and fix it myself.
> > This problem did not occur with 3.7 and the ToI code did not change.
> >
> > Do you have any idea where I can start looking for the XFS change in 3.8
> > that triggered this behaviour in ToI? Or maybe it was a VFS change?
>
> It's almost certainly an XFS change that triggered it, but it
> indicates (once again) that the hibernate code is simply not
> quiescing filesystems properly (i.e. by freezing them). The work
> that caused this problem is stopped by the filesystem when it
> is frozen, and started again when it is thawed...
>
> > PS: the email definitely bounced back, most likely because imageshack is
> > blocked on the sgi server:
> >
> > Technical details of permanent failure:
> > Google tried to deliver your message, but it was rejected by the server
> for
> > the recipient domain oss.sgi.com by cuda-allmx.sgi.com. [192.48.176.16].
> >
> > The error that the other server returned was:
> > 554 rejecting banned content
>
> IOWs, a stupid spam filter.
>
> I'll see if I can get this fixed.
>
> Cheers,
>
> Dave.
> --
> Dave Chinner
> david@fromorbit.com
>

Actually I've nailed it down to a commit between 3.7.1 and 3.7.10. I'll do
some git bisection and come back with the results.

Regarding ToI and filesystem freezing, I guess I need to start delving into
the code to see if I can fix it - long but fun journey ahead I guess.

Regards,
Pedro

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