Re: sym53c810a - SCSI parity errors with SVGAlib?

Jim Woodward (jim@jim.southcom.com.au)
Wed, 1 Dec 1999 12:09:42 +1100 (EST)


On Tue, 30 Nov 1999, Gerard Roudier wrote:

> On Tue, 30 Nov 1999, Jim Woodward wrote:
>
> > This may or may not be a kernel issue, however
> >
> > Whenever I invoke zgv, I get on the console:
> > sym53c810a-0: SCSI parity error detected: SCR1=132 DBC=50000000 SBCL=0
>
> It may happen that this application access the PCI configuration space of
> the chip far beyong the pre-defined header area and hits the range that
> has side effects (IO registers mapped to config space).
> Such an attack confuses a lot the chip and the driver, btw.
> If I am right, the only solution is to teach zgv about the PCI specs.;)

Actually I think zgv does something weird in that regard, when running it
on a VESA Local Bus, came up with all sorts of weird PCI probing errors.

I'll have a look through the source of it and see what it may be.

Regards, Jim

--
my name   : Jim AJ Woodward 
my realm  : http://www.jim.southcom.com.au
my e-mail : jim@jim.southcom.com.au

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