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SubjectRe: 2.2.9 probs (ide hd, quota, 128MB (+sort))
On Mon, 24 May 1999, Guest section DW wrote:

...
> > > with kernel report
> > > hdd: IBM-DTTA-351350, 12897MB w/464kB Cache, CHS=26205/16/63
> >
> > That's what BIOS and e.g. Hardware Info proggy say.
> >
> So other programs than the Linux kernel successfully do IDENTIFY DRIVE?

yeah.

but what does linux do differently? I assume it reads the identification
from port 0x170... how can it fail?

> > > So, this could be a disk hardware problem (does this disk report
> > > its identity correctly under other kernels?)
> >
> > Nope. Tried also 2.2.1.
> >
> And hdparm -I ? And 2.0.34 ?

'hdparm -I' gives quite random results
(now I tried with 66.666*5.5 MHz settings ;) ):

Model=BI-MTDAT3-15=3 0 & &$& &$&$& & f$f$&$&$, FwRev=5TOG7AA3,
SerialNo=fv& & &$W 2GGW106643
Model=BI-MTDAT3-1553 0 & " " f$&&f&f$ " &$" , FwRev=5TOG7AA3,
SerialNo=&6&d&$& W 2GGW106643
Model=BI-MTDAT3-15=3 0 &$" " &$&$" " &$&$fdf$, FwRev=5TOG7AA3,
SerialNo=fv&d&d& W 2GGW106643

when I execute 'hdparm -I', I get EVERY time these:

kernel: hdd: drive_cmd: status=0x51 { DriveReady SeekComplete Error }
kernel: hdd: drive_cmd: error=0x04 { DriveStatusError }

for ~2% of the runs bit1 is also set:
status=0x53 { DriveReady SeekComplete Index Error }
but disk revolution is not scary status bit ;)

Don't know about 2.0 kernels, I used them last time in Jan 1998.

> [I know nothing about disk I/O - only about disk geometries,
> and the ridiculous geometries that you reported attracted
> my attention. But I like to learn.

hdparm -I gives more ridiculous (and DIFFERENT) numbers every
time I run it...

> Andre answered: this is an ATA/33 vs ATA/66 problem.
> I do not really understand the answer.
> Sometimes there are problems with DMA/66 when the disk allows it,
> and the BIOS enables it, but the cable is no good.
> However, this IBM-DTTA-351350 is not a DMA/66 drive.
> Moreover, the problem seems to be only in the IDENTIFY DRIVE command.]

For some reason it gives error=0x04 { DriveStatusError } ...

> Andries

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