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

[Prakash K. Cheemplavam]

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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 0  0      0 682472  14024 210356    0    0     0     0 1087   240  4 
0 96  0
 0  0      0 682472  14024 210356    0    0     0     0 1082   183  2 
0 98  0
 0  0      0 682472  14024 210356    0    0     0     0 1322   605  4 
1 95  0
 0  0      0 682472  14024 210356    0    0     0     0 1250   590  0 
1 99  0
 0  0      0 682456  14024 210356    0    0     0     0 1266  1138  8 
1 91  0


Prakash

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