Subject: Re: MMU fault
To: Peter Radcliffe <pir@pir.net>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-hp300
Date: 07/20/1998 10:20:33
On Mon, 20 Jul 1998 09:12:23 -0400 
 Peter Radcliffe <pir@pir.net> wrote:

 > Seems to do the trick - I now have a serial console booted 370 :)
 > Thanks for that.

Ok, I have committed that patch; it's a little better now, at least :-)

 > Michael Lorenz <ml@wisent.de> probably said:
 > > hpibbus0 at nhpib0
 > > ppi0 at hpibbus0 slave 5 punit 0
 > > =pt%A1bit dma, async, scsi id 7t9=x%x=M
 > >  ^^^^^                          ^^^^^^^   corruption here ?
 > 
 > > Hmm, looking at this brings me to the question which ipl your SCSI /
 > > serial uses... looks like making the SCSI controller generate
 > > interrupts that come mysteriously to the serial handler ?!
 > 
 > cut and paste from the serial console:
 > dca0 at dio0 scode 9 ipl H,KW
 >                              uqk[VK(XHdio0 scode 14 ipl 4: 32 bit dma, async, scsi id 7
 > 
 > from dmesg after boot from serial console:
 > dca0 at dio0 scode 9 ipl 5: console, no fifo
 > oscsi0 at dio0 scode 14 ipl 4: 32 bit dma, async, scsi id 7

ok, I'm assuming that the output corrects itself after the one garbled line?
I'll take a look at the attach logic again.  Sigh, serial devices annoy me :-)

Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                            Home: +1 408 866 1912
NAS: M/S 258-5                                       Work: +1 650 604 0935
Moffett Field, CA 94035                             Pager: +1 650 940 5942