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Groups > linux.kernel > #1406189

Re: modify_irte NULL pointer

From Thomas Gleixner <tglx@linutronix.de>
Newsgroups linux.kernel
Subject Re: modify_irte NULL pointer
Date 2016-05-24 15:50 +0200
Message-ID <rCkSB-3SQ-21@gated-at.bofh.it> (permalink)
References <rBwCt-6Pw-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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

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Thread

modify_irte NULL pointer Wanpeng Li <kernellwp@gmail.com> - 2016-05-22 10:10 +0200
  Re: modify_irte NULL pointer Thomas Gleixner <tglx@linutronix.de> - 2016-05-24 15:50 +0200

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