linux-kernel - Re: 2.6.39-rc5-git2 boot crashs

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Message-ID: <20110504061458.GA19049@elte.hu>
Date:	Wed, 4 May 2011 08:14:58 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	werner <w.landgraf@...ru>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	jaxboe@...ionio.com, tj@...nel.org, linux-kernel@...r.kernel.org,
	Steven Rostedt <rostedt@...dmis.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: 2.6.39-rc5-git2 boot crashs

* werner <w.landgraf@...ru> wrote:

> Enclosed also the screen fotos of the zip crash from now, and of the
> secondary reboot-resistent ata error which came back too.

All the oopses have scrolled off and the pictures are blurry, so it's not 
possible to see the backtraces clearly.

To prevent the scroll-off please add these boot options:

   pause_on_oops=600 initcall_debug debug ignore_loglevel

This should rate-limit the crash to one oops per 600 seconds. The first one is 
probably the most interesting one.

Also, does the vga=ask boot option added to the ones above work for you?

If yes then on bootup select a VGA mode that has as many lines as possible (to 
capture a big oops screen) - but in this case it's doubly important that the 
picture you take is *sharp*.

Thanks,

	Ingo
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