linux-kernel - Re: CRASH during boot 3.16.3+

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Date:	Mon, 13 Oct 2014 12:14:40 +0200
From:	Udo van den Heuvel <udovdh@...all.nl>
To:	Peter Hurley <peter@...leysoftware.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: CRASH during boot 3.16.3+

On 2014-10-12 19:42, Peter Hurley wrote:
> On 10/12/2014 09:57 AM, Udo van den Heuvel wrote:
>> The problem:
>> During the first few seconds of bootup the kernel gets into some sort of
>> loop and rapidly prints loads of register-like things and then a load of
>> rubbish.
>> I did `make clean` and then a rebuild etc but this did not help.
>>
>> How can I capture the logging to find the point where things go wrong?
>> How can I find out what is wrong?
> 
> Start with git bisect between good=3.16.2 and bad=3.16.3.
> And dmesg from 3.16.2.

Incomplete dmesg attached for 3.16.2.

> What happens after the 'then a load of rubbish.'?

I press reset as this is unexpected and looks like it will not result in
a succesfull boot.

> And rubbish is not
very descriptive. Please include a sample, if you can't catch all the
console prints.

How can I capture the output easily?

Kind regards,
Udo

View attachment "dmesg-3.16.2.txt" of type "text/plain" (93749 bytes)