Re: modify_irte NULL pointer

From: Thomas Gleixner
Date: Tue May 24 2016 - 09:46:17 EST


On Sun, 22 May 2016, Wanpeng Li wrote:
> [ 39.977778] BUG: unable to handle kernel NULL pointer dereference
> at (null)
> [ 39.988494] IP: [<ffffffff81560598>] modify_irte+0x58/0x140
> [ 39.996939] PGD cede3067 PUD 2d790067 PMD 0
> [ 40.004087] Oops: 0000 [#1] SMP
>
> This can be reproduced by adding noapic boot parameter.

Hmm. We should not have MSIs and such if apic is disabled. I'll have a
look.

Thanks,

tglx