linux-kernel - Re: Bug on 2.6.26 - x86 VIA Nehemiah CentaurHauls processor cannot boot

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Message-ID: <43e72e890807212147p5d19cfact17e719abb338378c@mail.gmail.com>
Date:	Mon, 21 Jul 2008 21:47:44 -0700
From:	"Luis R. Rodriguez" <mcgrof@...il.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"linux kernel" <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...nel.org>,
	"Ivan Seskar" <Seskar@...lab.rutgers.edu>,
	jfm3 <jfm3@...lab.rutgers.edu>, Sujith <m.sujith@...il.com>
Subject: Re: Bug on 2.6.26 - x86 VIA Nehemiah CentaurHauls processor cannot boot

On Mon, Jul 21, 2008 at 4:24 PM, H. Peter Anvin <hpa@...or.com> wrote:
> Luis R. Rodriguez wrote:
>>
>> On Mon, Jul 21, 2008 at 6:23 AM, H. Peter Anvin <hpa@...or.com> wrote:
>>>
>>> Luis R. Rodriguez wrote:
>>>>
>>>> This bug seems to be present since 2.6.22 [1], so hope we can get this
>>>> fixed ASAP. Let me know if you have patch suggestions I can test.
>>>>
>>>> This crashes very early, I had to use earlyprintk to get it.
>>>>
>>
>> I've put extra spaces between the culprit.
>>
>> c0387ac2:       0f 1f 40 00             nopl   0x0(%eax)
>>
>
> Sure enough, our old friend.
>
> You have in your configuration:
>
> CONFIG_M686=y
> # CONFIG_X86_GENERIC is not set
>
> ... so this is fully expected; CONFIG_M686 without CONFIG_X86_GENERIC is not
> compatible with such processors.
>
> Not a bug.

Thanks for taking a  look at this. So well, it would be a
misconfiguration bug by the distribution then to try to support a
generic 686 kernel wihtout GENERIC then.

  Luis
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