On Mon, Mar 18, 2002 at 03:58:32PM +0300, Andrey Slepuhin wrote:
> On Fri, Mar 15, 2002 at 12:31:22PM -0700, Justin T. Gibbs wrote:
> > >I just tried applying the aic7xxx 6.2.5 driver patch to replace 6.2.4
> > >that is in 2.4.18, and it actually appears to have removed the problem.
> >
> > This was a known issue that was corrected in 6.2.5. The driver was
> > referencing an uninitialized register on the card, which cause the
> > parity error. The uninitialized reference was harmless as the value
> > was ignored in the cases that it was uninitialized, but the panic it
> > created was a bit rough on users. 8-)
>
> This weekend I ran into exactly the same problem with parity errors,
> but after updating to 6.2.5 driver version, kernel completely stalls just
> after the line
> SCSI subsystem driver Revision: 1.00
[snip]
I tracked the problem down to ahc_read_seeprom(), which hangs in
CLOCK_PULSE() at aic7xxx_93cx6.c:161. But I have no idea what happens,
because this code is the same as in 6.2.4 version of the driver.
Regards,
Andrey.
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