Re: recent -git: BUG in free_thread_xstate

From: Paul E. McKenney
Date: Fri Aug 01 2008 - 17:17:30 EST


On Wed, Jul 23, 2008 at 01:31:09PM -0700, Suresh Siddha wrote:
> On Wed, Jul 23, 2008 at 01:07:04PM -0700, Vegard Nossum wrote:
> > Hi,
> >
> > I just got this on c010b2f76c3032e48097a6eef291d8593d5d79a6 (-git from
> > yesterday):
>
> Do you see this in 2.6.26 aswell? I suspect it is coming from post 2.6.26
> changes.
>
> >
> > BUG: unable to handle kernel paging request at 00664381
> > IP: [<c010b274>] free_thread_xstate+0x4/0x30
> ...
>
> > EIP is at arch/x86/kernel/process.c:36:
> >
> > if (tsk->thread.xstate) {
> >
>
> It looks like the kernel stack of that process got corrupted, corrupting the
> task pointer in thread_info. Can you send us your config file?

I would also like to see the config file.

Thanx, Paul
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