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

From: Luis R. Rodriguez
Date: Tue Jul 22 2008 - 00:47:56 EST


On Mon, Jul 21, 2008 at 4:24 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> Luis R. Rodriguez wrote:
>>
>> On Mon, Jul 21, 2008 at 6:23 AM, H. Peter Anvin <hpa@xxxxxxxxx> 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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