Re: Crash with 3.8.3 and TuxOnIce

From: Pedro Ribeiro <pedrib@gmail.com>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: Crash with 3.8.3 and TuxOnIce
Date: Wed, 20 Mar 2013 18:01:35 +0000	[thread overview]
Message-ID: <CAEDdjHc139n-FFrW34FLyfKsqFHBy0_LVcVT24aLyCpb4DC9dA@mail.gmail.com> (raw)
In-Reply-To: <20130320004405.GC17758@dastard>

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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?

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

Regards,
Pedro

On 20 March 2013 00:44, Dave Chinner <david@fromorbit.com> wrote:

> On Tue, Mar 19, 2013 at 11:31:16PM +0000, Pedro Ribeiro wrote:
> > Hi,
> >
> > I'm using a TuxOnIce enabled kernel, and recently moved from 3.7.1 to
> > 3.8.3. The former used to work nicely, but now I get a hard crash when I
> > try to hibernate.
> > This is solely related to TuxOnIce as it does not happen in the default
> > hibernation.
> >
> > I know this is an unsupported out of tree patch, but can you please help
> me
> > debug it or point in the right direction?
> >
> > Unfortunately as this was a kernel crash all I have are crappy photos,
> but
> > they do show a readable stack trace:
> > img18[dot]imageshack[dot]us/img18/395/imag0228hp[dot]jpg
> > img13[dot]imageshack[dot]us/img13/4375/imag0231p[dot]jpg
> >
> > (I removed the HTTP part and the dots off the links else it would bounce
> > back from the list)
>
> The list doesn't bounce URLs. Please make then clicky in future.
>
> As it is, your kernel has oopsed in submit_bio() when writing a log
> buffer writing a dummy log record.
>
> The xfs_log_worker is trying to cover the log, and it seems like the
> IO subsystem below it is doing something wrong. Perhaps Tux-on-Ice
> is killing the IO subsystem without having first stopped all the
> async filesystem processing first?
>
> Looks like a Tux-on-ICE problem to me...
>
> Cheers,
>
> Dave.
> --
> Dave Chinner
> david@fromorbit.com
>

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