Re: [i915] BUG: Bad page state in process Xorg

[Thomas Hellstrom]

On 11/22/2013 05:18 PM, Daniel Vetter wrote:
> On Fri, Nov 22, 2013 at 4:54 PM, Thomas Meyer <thomas@xxxxxxxx> wrote:
> > > Am 22.11.2013 um 11:55 schrieb Daniel Vetter <daniel@xxxxxxxx>:
> > >
> > > On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie <airlied@xxxxxxxx> wrote:
> > > > > Hi,
> > > > cc'ing mailing list,
> > > >
> > > > Daniel any ideas?
> > > Nope, not really :( And no ideas how to triage this further - if it
> > > takes 9 days to hit it eventually we'll have a real hard time. Or does
> > > this happen even after just a short X run?
> > Seems to happen every time while stopping the x server. Also after a short run time.
> >
> > The current fedora 3.11 kernel doesn't show this bug. I'm using fedora 19, with a self compiled kernel.
> >
> > I did turn on config-debug-pagealloc but this didn't show any wrongness.
> In that case I think the bisect is the fastest way to insight - atm
> I'm really at loss what could be wrong here.

From the error messages it looks like whatever's responsible for 
clearing page->mapping doesn't do it for these pages,
(shmem code?).

/Thomas

> -Daniel
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