>BTW, I found another problem that the system hangs right after SunOS >copyright message when I rebooted the system without power cycle. >I tried to narrow the root-cause by modifying the ral source code, >but no luck. It may be a cardbus issue, not ral.
Have you tried creating a reset entry point which disables the driver's interrupt? (as in iprbreset()). In some cases, a warm reboot does not reset all hardware and that may cause a stuck interrupt. Casper
