On Sun, 2011-04-17 at 10:23 -0500, James Bottomley wrote: > It's most likely a driver module that's getting loaded which is turned > off in the booting configuration ... finding it isn't going to be easy, > though ... Finally got a build (had to swap out -Os for -O2). I traced the module loads and successful inits and found it; it's pata_cmd64x ... it loads but never returns from init. I bet it's trying to poke into ISA space which causes the HPMC. Removing this one module from the system allows it to boot again. I'd suggest just disabling in the parisc config for now. Using an ATA based CD/DVD instead of a SCSI one is a very recent thing. I'll see if I can get it working, but ATA controllers tend to be somewhat nasty and x86 specific ... James -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html