linux-kernel - Re: [crash, bisected] Re: [PATCH 3/4] x86

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Message-ID: <486AE015.5070308@sgi.com>
Date:	Tue, 01 Jul 2008 18:55:33 -0700
From:	Mike Travis <travis@....com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Jeremy Fitzhardinge <jeremy@...p.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jack Steiner <steiner@....com>
Subject: Re: [crash, bisected] Re: [PATCH 3/4] x86_64: Fold pda into per cpu
 area

H. Peter Anvin wrote:
> Mike Travis wrote:
>> Mike Travis wrote:
>> ...  I'm still re-verifying that the source bits and config options
>>> are identical (it was a later git-remote update), and that in fact it is
>>> the gcc --version, but that may be the conclusion.  
>> ...
>>
>> Yup, it's the gcc --version that makes the difference.  GCC 4.2.0
>> couldn't
>> boot past the grub screen, GCC 4.2.4 made it to the login prompt.
>>
> 
> IIRC, 4.2.0, 4.2.1 and 4.3.0 are known to miscompile the kernel in one
> way or another, however, that is from memory so don't quote me on it.
> 
>     -hpa

Great.  That's what's been on my devel server for the past 3 or 4 months now... 

[And it's a big shared server that I'm but a small ant wandering around on it. ;-)]
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