Messages in this thread | | | Date | Thu, 24 Mar 2011 19:58:31 +0100 | From | Jens Axboe <> | Subject | Re: [GIT PULL] Core block IO bits for 2.6.39 - early Oops |
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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?
If you boot without the patch and add elevator=noop, does it then work?
-- Jens Axboe
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