Re: 2.9test9-mm1 and DAO ATAPI cd-burning corrupt

Prakash K. Cheemplavam
2003-11-07T23:45:44Z

Nick Piggin wrote:
>
>
> Prakash K. Cheemplavam wrote:
>
>> Nick Piggin wrote:
>>
>>>
>>>
>>> Prakash K. Cheemplavam wrote:
>>>
>>>> Nick Piggin wrote:
>>>>
>>>>>
>>>>>
>>>>> Prakash K. Cheemplavam wrote:
>>>>>
>>>>>> Ok, I found the bugger: It *IS* the sheduler. I tried
>>>>>> elevator=deadline and all stuttering went away. Before I was using
>>>>>> as. mm1 used default sheduler (as I think) and ther eno probs. So
>>>>>> the (updated?) as sheduler in mm2 has a problem...
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Weird. I have a few new AS patches in mm2 so its probably them. I
>>>>> can't
>>>>> see why they'd be causing you to lose interrupts though. Could you try
>>>>> this patch please.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> So i tried the patch, but it didn't help. I cannot feel any
>>>> difference. Here are the vstats. First for dealine and second fro
>>>> patched as. Please keep in mind that (at the end of the stat) I
>>>> fiddled a bit around with the kernel sources while doing the burn.
>>>> Intersting would be the start of the erasing and start of burning.
>>>> There as gives serious stuttering.
>>>
>>>
>>>
>>>
>>>
>>>
>>> OK thanks. Please try this patch then. Thank you.
>>>
>>
>> Should I first revert the other patch or just use this over the
>> patched file?
>
>
>
> Yeah revert the other I sent you.

Yes, with this patch, it seems to be like in mm1 again, no more
stuttering (or at least I can't notice it anymore, as since 2 daysI have
an LCD), but also the bad stuttering at erase and burn start are gone
again. So do you have an idea what causes the problem?

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Prakash