Re: BUG: bad page state in process (In version 2.6.31.2)

[Hugh Dickins]

On Thu, 8 Oct 2009, Brian Marete wrote:
> On Thu, Oct 8, 2009 at 3:10 AM, Brian Marete <bgmarete@xxxxxxxxx> wrote:
> > On Thu, Oct 8, 2009 at 2:34 AM, Brian Marete <bgmarete@xxxxxxxxx> wrote:
> >>
> >> Just found the BUG back-trace pasted below in my kernel logs.
> 
> Rebooted the machine and the same BUG manifests. See the trace below:
> 
> (Also, run memtest86 just in case I have bad memory.)
> 
> [  726.890990] BUG: Bad page state in process tracker-indexer  pfn:77541
> [  726.890997] page:c47eb820 flags:80000000 count:0 mapcount:0
> mapping:00000001 index:0

                 ^ for some reason that page->mapping got a 1 in it.

> [  726.891002] Pid: 9758, comm: tracker-indexer Tainted: P           2.6.31.2 #1

                   but you're using a Proprietary module   ^

It's great that you can reproduce this case easily, but please try
without Proprietary modules loaded - they're often the origin, and
we're unable to debug them.

Thanks,
Hugh
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