> > Some stray interrupt coming in while SCSI is probing, and messing up > > things in the interrupt handler? Does it hang with interrupts disabled? > > Could be. It is a very racey bug, in that it is intermittent and is worse > on some models than others. And with 2.6.18-4 it is harder to trigger than > 2.6.19 on the LC630 (but it still happens sometimes). I swapped hard disk, > cable and terminator but no change.
I'll see that bug for myself when playing with your ADB patch, then :-) > By disabling CONFIG_MAC_SCSI, I can NFS boot to a prompt. Now I can test > my patches on the non-quadra macs. I'd really like to finish with ADB and > move on to the real time clock, so I'm not about to tackle the SCSI bugs. If it happens for me, I'll prod it some. > > I found the IDE problem, I did not have CONFIG_IDE_GENERIC enabled :-/ > CONFIG_BLK_DEV_MAC_IDE probably needs to depend on CONFIG_IDE_GENERIC. Bit me on the Falcon as well. Should have thought about that, sorry. > However, there is still a very old bug there, where heavy IDE and SONIC > traffic together cause all the NuBus interrupts (which are only SONIC & > IDE on this machine) to cease altogether. I'll probably do some more work > on this, but I'm not optimistic; others have tried and failed -- > > http://marc.theaimsgroup.com/?l=netbsd-port-mac68k&m=96498911504667&w=2 Maybe the max. loop count in the Nubus inthandler gets exceeded, and the nubus int gets disabled? We used to do that :-( > And it would appear that IDE used to be polled from the VIA1 IRQ handler > (I guess the F108 chip is another of Apple's mysteries...) I think we found out the interrupt source for IDE? That polling would then be leftover crud and should be killed. Michael - To unsubscribe from this list: send the line "unsubscribe linux-m68k" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
