Promise Ultra100TX2 Controllers

[Ben Pfaff]

"Benjamin Minshall" <minshal1@pilot.msu.edu> writes:

> I'm having problems with a pair of new shiny Promise Ultra100TX2
> IDE controllers.  I have a software raid5 setup with 4 - 40GB
> Maxtor drives each one master of it channel.  During intensive
> I/O operations (like as the RAID builds) the kernel will
> completely lock up.  I've tried this on kernel 2.4.7, 2.4.9, and
> 2.4.10-pre4 with identical results.  The actual IDE card
> chipset/driver is pdc20268.  The lockup is usually preceeded by
> the message "spurious 8259A interrupt: IRQ 7" and/or "spurious
> 8259A interrupt: IRQ 15".

Have you tried the -ac series?  ISTR that it has more support for
advanced IDE controller, or at least did a while ago.