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SubjectRe: [GIT PULL] Core block IO bits for 2.6.39 - early Oops
On 2011.03.24 at 19:58 +0100, Jens Axboe wrote:
> On 2011-03-24 19:54, Markus Trippelsdorf wrote:
> > On 2011.03.24 at 19:51 +0100, Jens Axboe wrote:
> >> On 2011-03-24 19:36, Jens Axboe wrote:
> >>> On 2011-03-24 19:30, Markus Trippelsdorf wrote:
> >>>> On 2011.03.24 at 14:43 +0100, Jens Axboe wrote:
> >>>>>
> >>>>> This is the main pull request for the block IO layer and friends for
> >>>>> 2.6.39.
> >>>>
> >>>> This merge results in an early oops on my system (amd64, xfs).
> >>>> See the attached photo.
> >>>>
> >>>
> >>> Auch. Can you ensure that you have CONFIG_DEBUGINFO=y in your .config
> >>> and then do:
> >>>
> >>> $ gdb vmlinux
> >>> ...
> >>> l *cfq_insert_request+0x32
> >>>
> >>> and send that output?
> >>
> >> I took a closer look at the oops, and it most likely looks like q ==
> >> NULL (offset 0x18 == q->elevator). You left out the Code part, so I
> >> can't verify that for certain. Which makes very little sense. I take it
> >> this is 100% reproducible? When you send the gdb output, please also
> >> attach your .config.
> >
> > Yes, it's 100% reproducible here. My .config follows:
>
> Can you try this patch and see if it makes a difference?

There's no patch ;-)

> If you boot without the patch and add elevator=noop, does it then work?

It works insofar as the Oops is gone. But my xfs partitions apparently
still get corrupted (I had to run xfs_repair on several of them, because
they would not mount otherwise).

--
Markus


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