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SubjectRe: 2.9test9-mm1 and DAO ATAPI cd-burning corrupt
On Thu, Nov 06 2003, Prakash K. Cheemplavam wrote:
>
> >>>Heh indeed, maybe because the archs I use are still at 100. Looks
> >>>suspiciously like it's loosing timer interrupts, which would indeed
> >>>point to PIO.
> >>>
> >>
> >>bash-2.05b# hdparm -I /dev/hdc
> >
> >
> >-i please
>
> bash-2.05b# hdparm -i /dev/hdc
>
> /dev/hdc:
>
> Model=LITE-ON LTR-16102B, FwRev=OS0K, SerialNo=
> Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
> RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
> BuffType=unknown, BuffSize=0kB, MaxMultSect=0
> (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
> IORDY=yes, tPIO={min:227,w/IORDY:120}, tDMA={min:120,rec:120}
> PIO modes: pio0 pio1 pio2 pio3 pio4
> DMA modes: mdma0 mdma1 *mdma2
> AdvancedPM=no
>
> * signifies the current active mode
>
> The same: dma is active.

Indeed, so you are ysing multiword mode 2. Can you try and do a dd from
the drive, while doing a vmstat 1? Also, does that show the jerky
behaviour?

> >>Is it normal that SCSI subsystem gets init'ed, even though nothing of it
> >>is activated in the kernel?
> >
> >
> >No, you still have it left in your kernel options.
>
> Cannot be or there is a bug in the makefile. First I tried make
> oldconfig, then I noticed this thing coming up, so I did make clen and
> still it caame, then mrproper and everything in config by hand, and
> still coming up. But I booted the "old" kernel up, where I didn't have
> thouse mouse stutterings and it alsa shows that scsi subsystem gets
> activated. What do I do wrong then? Should I post the .config?

I can't believe there's such a bug, so yeah put your .config somewhere.

--
Jens Axboe

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