linux-kernel - Re: -tip: origin tree boot crash

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Date:	Fri, 18 Dec 2009 11:30:50 -0800
From:	Dave Hansen <dave@...1.net>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Richard Purdie <rpurdie@...ux.intel.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: -tip: origin tree boot crash

On Fri, 2009-12-18 at 18:06 +0100, Ingo Molnar wrote:
> * Dave Hansen <dave@...1.net> wrote:
> I just double-checked it again on a couple of my systems and it seems to 
> > deny loading the module correctly.
> > 
> > What kind of hardware is this?  Could you send me 'dmidecode' output?
> > 
> > I'm wondering if your hardware matched the "Intel" string somehow and the 
> > dmi code didn't bother to check anything else.  I'll also go try and run on 
> > a few more pieces of hardware and see if I can get it to trigger.
> 
> It's an Athlon64 whitebox PC - a pretty old one - and nothing special.
> 
> Also note the crash signature - it crashes in the DMI code. Note, this is a 
> built-in-driver (not a modular driver) bootup.

I figured as much since you said it was a real bootup problem.  I've
been testing the same way.

I've tried a few other pieces of hardware that I have sitting around and
can't seem to recreate this.  I've also double-checked the code to look
for any obvious bugs.  No luck on either front.  You didn't see any
other dmesg output from these, did you?

                pr_info("skipping hardware autodetection\n");
                pr_info("Please send 'dmidecode' output to dave@...1.net\n");


-- Dave

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