Re: 2.6.18-rc1-mm1 oops on x86_64

Rafael J. Wysocki
2006-07-09T21:11:30Z

On Sunday 09 July 2006 22:59, Andrew Morton wrote:
> On Sun, 9 Jul 2006 22:35:32 +0200
> "Rafael J. Wysocki" <rjw@sisk.pl> wrote:
>
> > On Sunday 09 July 2006 22:21, Andrew Morton wrote:
> > > On Sun, 09 Jul 2006 18:19:00 +0200
> > > Cedric Le Goater <clg@fr.ibm.com> wrote:
> > >
> > > > Andrew Morton wrote:
> > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc1/2.6.18-rc1-mm1/
> > > >
> > > > Kernel BUG at ...home/legoater/linux/2.6.18-rc1-mm1/mm/page_alloc.c:252
> > >
> > > VM_BUG_ON((gfp_flags & (__GFP_WAIT | __GFP_HIGHMEM)) == __GFP_HIGHMEM);
> > >
> > > With your config, __GFP_HIGHMEM=0, so wham.
> > >
> > > I dunno, Christoph. I think those patches are going to significantly
> > > increase the number of works-with-my-config, doesnt-with-yours scenarios.
> >
> > This particular one has no chance to work on x86_64 at all.
> >
>
> Fortunately in -mm we can make this BUG go away by setting
> CONFIG_DEBUG_VM=n.
>
> But in 2.6.18-rc1 that's a simple BUG_ON().
>
> > So well, which one is it?
>
> I don't understand that question, sorry.

I meant which of the patches added this VM_BUG_ON(). Sorry for not being clear.

Rafael