[openib-general] Re: Page allocation failures & kdapltest oops
Hal Rosenstock
halr at voltaire.com
Tue Sep 27 09:40:45 PDT 2005
On Tue, 2005-09-27 at 12:40, James Lentini wrote:
> It looks like you have DEBUG_PAGEALLOC turned on. Is that correct?
Yes.
> My
> test systems don't have this turned on. I'll turn it on and see what
> happens.
>
> Since we don't check for a kmalloc failure in DT_Tdep_PT_Printf, this
> oops occurs:
>
> > Sep 26 10:29:30 hal kernel: Unable to handle kernel NULL pointer
> > dereference at virtual address 00000004
>
> I've checked in the patch below to fix that, but this is not the root
> of the problem.
I'll try it with the patch and let you know how it behaves. When it
still runs out of memory will it fail more gracefully ? I understand it
won't fix the root cause of running out of memory.
-- Hal
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