linux-kernel - Re: [regression] 3.7 ends in APIC panic

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Date:	Sun, 16 Dec 2012 16:33:33 +0100
From:	Bernd Schubert <bernd.schubert@...m.fraunhofer.de>
To:	Ingo Molnar <mingo@...nel.org>
CC:	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Yinghai Lu <yinghai@...nel.org>
Subject: Re: [regression] 3.7 ends in APIC panic

On 12/16/2012 12:35 PM, Ingo Molnar wrote:
> 
> * Bernd Schubert <bernd.schubert@...m.fraunhofer.de> wrote:
> 
>> On 12/13/2012 01:16 PM, Bernd Schubert wrote:
>>> Hello,
>>>
>>> I just tried to boot 3.7 and it ends in an APIC panic. I 
>>> tried to use the recommended "apic=debug", but that does not 
>>> change anything in the output, at least not in the visible 
>>> part. The last known kernel to boot was 3.5. If it matters I 
>>> can try to boot 3.6.
>>
>> So linux-3.6 also boots. Any idea what is going on or do I 
>> really need to bisect?
> 
> Yeah, it's hard to tell based on that info alone - would be nice 
> to send in a log/screen capture of the crash and of course 
> bisecting would be useful as well, if the crash is 
> deterministic.

I already sent a screen capture in my first mail, but now uploaded two
pictures here:

http://www.aakef.fastmail.fm/linux/

I think the 2nd one is with apic=debug.

Unfortunately the system does not have ipmi, which would allow me to do
the bisecting now. It is also my desktop system at work and I don't know
yet when (and if at all) I will find the time to do the reboot cycles.


Cheers,
Bernd


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