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SubjectRe: 2.2.19 + ide 2.2.19 03252001 patch problem
On Fri, 6 Apr 2001, Willy Tarreau wrote:

> Quoting "Robert A. Morris" <ramorris@dilithium.net>:
> [snip]
> > Apr 5 18:15:14 ryoko kernel: hdb: task_no_data_intr: status=0x51 {
> > DriveReady SeekComplete Error }
> > Apr 5 18:15:14 ryoko kernel: hdb: task_no_data_intr: error=0x04 {
> > DriveStatusError }
> > Apr 5 18:15:14 ryoko kernel: hdb: Write Cache FAILED Flushing!

Oh well forgot to parse bits for older drives..........drat!

> [snip]
> > This did NOT happen with 2.2.18 and the corresponding
> > ide.2.2.18.1209.patch. It does NOT seem to happen on
> > /dev/hda or /dev/hdc, which is lucky, since /dev/hdb
> > is unused. I'm using lilo.conf to specify idebus=33.
> [snip]
> > The controller is a VIA 82C686A (Asus K7V mainboard).

This is a problem the old via-code did "82C686A" fine but knew nothing
about "82C686B" and the new code does not do well with "82C686A" but good
with "82C686B".

> > hda: WDC WD307AA, 29333MB w/2048kB Cache, CHS=3739/255/63, UDMA(66)
> > hdb: WDC AC28400R, 8063MB w/512kB Cache, CHS=1027/255/63, (U)DMA

Why are we mixing drives this class?

> > hdc: WDC WD307AA-00BAA0, 29333MB w/2048kB Cache, CHS=59598/16/63,
> > UDMA(66)
>
> same problem observed here on same motherboard. The hard disk is a WDC AC23200L
> configured as hda. I have tested several ide/kernel combinations and all I can
> say is that 2.2.18 and 2.2.19 behave the same, but it worked till
> ide.2.2.18.1221 included, and the bug appeared since ide.2.2.18.02122001.
> I tried with and without vojtech's via patches (3.2, 4.2 and 4.3), but this
> didn't change anything (to be honest, some combinations were obviously not made
> to live together, and I had so many problems fitting all patches in one kernel
> that it sometimes even didn't boot).
>
> I can also say that this problem didn't show up on other chipsets (ali and
> intel) with the same kernel+ide patch.
>
> finally, I made my kernel with ide.2.2.18.1221 and all seems to be OK (one week
> now). The diffs between the 2 versions were too important and I have not
> investigated further into this, but I'm ready to make some tests if needed.
>
> Regards,
> Willy
>
> PS: BTW Andre, could you please name your patches ide-2.2.19-YYYYMMDD so that a
> directory listing show the chronological order ?
>

Andre Hedrick
Linux ATA Development
ASL Kernel Development
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1757 Houret Court Fax: 1-408-941-2071
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