On Wednesday 27 August 2003 11:30, Thomas Backlund wrote:
> From: "John Allen" <[EMAIL PROTECTED]>
>
> > I have manually restricted the DMA to UDMA33 with a -X67 in
> > /etc/sysconfig/harddisks, and I have not had a hang since.
>
> that's actually a request for udma mode 3 (udma44)
> (since you calculate wanted udma mode + 64)
>
> could you try to test if your WDC is accepting / works with udma66
>
> using -X68 or even easier to remember -X udma66
>
> > So it looks like this problem is related to enabling UMDA100 (and
> > possibly only with Western Digital Caviar drives).
>
> I would blame the WDC drive, since I have been running UDMA100 on my
> system with an Maxtor drive even before the MDK 9.1 was released....
>
> if IRC there has been problems with some WDC drives, because some
> of the series actually relies on the ide driver to do the crc-checking
> (even in windows)...
>
> > 2.4.22-0.8mdk seems to be working fine with UDMA100 with my Maxtor disks.
>
> Would you mind posting the output of hdparm -iv /dev/hda (or wich drive is
> your WDC)...
>
I will try with UDMA66 later, and post results.
/dev/hda:
multcount = 16 (on)
IO_support = 3 (32-bit w/sync)
unmaskirq = 0 (off)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 9729/255/63, sectors = 156301488, start = 0
Model=WDC WD800JB-00ETA0, FwRev=77.07W77, SerialNo=WD-WMAHL2200726
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=57600, SectSize=600, ECCbytes=74
BuffType=DualPortCache, BuffSize=8192kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=156301488
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 *udma3 udma4 udma5
AdvancedPM=no WriteCache=enabled
Drive conforms to: device does not report version:
* signifies the current active mode
> Regards
>
> Thomas
--
John Allen, Email: mailto:[EMAIL PROTECTED]
MandrakeClub Silver Member.
