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SubjectRe: Alot of DMA errors in 2.4.18, 2.4.20 and 2.5.52
> On Thu, Dec 26, 2002 at 02:22:28PM +0100, Tomas Szepe wrote:
> > >
> > > hdparm -X69 /dev/hda will put it into UDMA5/ata100 mode as well
> > > (69 == 64 + UDMA mode). No need to specify it at boot time.
> >
> > Not true. You definitely need to use the ideX boot param AND
> > run hdparm -X?? /dev/hd? to make use of UDMA3+ on newer PDC
> > controllers (unless you apply the patch posted on Dec 24 by
> > Nikolai Zhubr).
>
> Driver says otherwise on RH8.0 + 2.4.20:
> iapetus /proc/ide# cat pdc202xx
>
> PROMISE Ultra series driver Ver 1.20.0.7 2002-05-23 Adapter: Ultra100 TX2
> --------------- Primary Channel ---------------- Secondary Channel -------------
> enabled enabled
> 66 Clocking enabled enabled
> Mode MASTER MASTER
> --------------- drive0 --------- drive1 -------- drive0 ---------- drive1 ------
> DMA enabled: yes no no no
> UDMA Mode: 5 0 0 0
> PIO Mode: 4 0 0 0

Fair enough. Can you give me your PCI ids, Promise BIOS version
and "hdparm -Iv /dev/hda"?

--
Tomas Szepe <szepe@pinerecords.com>
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