Re: [another PATCH] Fix crash on boot in kmalloc_node IDE changes

[Bartlomiej Zolnierkiewicz]

On 7/7/05, Andi Kleen <ak@xxxxxxx> wrote:
> On Thu, Jul 07, 2005 at 12:09:00PM -0700, Christoph Lameter wrote:
> > On Thu, 7 Jul 2005, Linus Torvalds wrote:
> >
> > > Yes. Except that if hwif is NULL, we'll have other oopses since we access
> > > that in other places.
> > >
> > > Why _is_ hwif NULL anyway? That's another, unrelated thing, and should
> > > probably have a separate check and an early return.
> >
> > I was wondering about that one as well. Andi brought it up.
> 
> I don't know why hwif was NULL, but my kernel definitely crashed.
> hwif was NULL in the first function (I first misread the oops
> and thought it was pci_dev NULL, but it wasn't).  For the second
> I didn't verify it was hwif or pci_dev NULL, but one of them
> was too.
> 
> The setup was a Intel board with 1 PATA/4 SATA onboard and only a CD-ROM
> and a external Promise PATA controller with two PATA disks.

actual OOPS would be very useful
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