>??? Weird. I thought I'd run into the "64 MB" problem the linuxppc folks
>have seen. But if you've booted a G3 with 384 MB, then the problem's
>elsewhere. What kind of machine was it? Maybe there's a bug in one of the
>drivers which isn't tickled on your system but is on mine.

It is a G3 MT266 with a zip drive.

 ...
>Is this basically an MMU fault?

Yes.


>Hmmm. I think I'll look and see how much PCI SCSI controllers are. :-)

I'm trying using AHA-2940UW on PowerMac 9600.  It almost works.
I can mount it (of course read and write).  But...

ahc0 at pci1 dev 13 function 0
ahc0: interrupting at irq 27
ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc0: hardware scb 26 bytes; kernel scb 2148 bytes; ahc_dma 8 bytes
NEEDSDTR == 0xffff
NEEDWDTR == 0xffff
DISCENABLE == 0xffff
scsibus1 at ahc0 channel 0: 16 targets
ahc0:A:0: Message reject -- ignored
probe(ahc0:0:0): requests Check Status
probe(ahc0:0:0): Sending Sense
ahc0: target 0 synchronous at 10.0MHz, offset = 0xf
ahc0:A:0: Message reject -- ignored
sd3 at scsibus1 targ 0 lun 0: <, , > SCSI0 0/direct fixed	<----- why?
sd3(ahc0:0:0): Handled Residual of 12 bytes
sd3(ahc0:0:0): Handled Residual of 12 bytes
sd3: mode sense (4) returned nonsense; using fictitious geometry
sd3: 8205MB, 8205 cyl, 64 head, 32 sec, 512 bytes/sect x 16804289 sectors