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SubjectRe: 2.6.9-mm1

>>>>> Yes, that gets further. :(
>>>>> Maybe I'll just (try) apply the kexec patch to a vanilla kernel.
>>
>>
>>
>> IDE PIO changes are the part of a vanilla kernel.
>>
>> If vanilla kernel (+akpm's fix) works OK then
>> this bug is not mine fault. :)
>>
>>
>>>> I doubt if it'll help much. It looks like IDE PIO got badly broken.
>>
>>
>>
>> Weird, this code was in -mm for over a month.
>>
>>
>>>> That's something we have to fix - could you work with Bart on it
>>>> please?
>>>
>>>
>>> Sure. Bart?
>>
>>
>>
>> I need more data, IDE PIO works fine here.
>>
>>
>>>> How come your disks are running in PIO mode anyway?
>>
>>
>>
>> Maybe disks are runing in DMA mode but some application
>> triggers PIO access (IDENTIFY command, S.M.A.R.T. etc.)...
>>
>>
>>> No idea.
>
>
> Andrew made me look. Duh. It's because I'm booting with
> ide=nodma.
>
> So Bart, can you check the noautodma=1 code path?
> And I'll test it again on Tuesday without using ide=nodma.

Booting 2.6.9-mm1 without using "ide=nodma" works well for me.
No other kernel changes.

> 4 oopsen boot logs are (back-to-back) in:
> http://developer.osdl.org/rddunlap/doc/capture-ide.txt
> if you need to see them.

--
~Randy
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