Subject: Re: Boot hangs on 'root on sd0a dumps on sd0b'
To: Sean J. Schluntz <schluntz@agames.com>
From: Colin Wood <cwood@ichips.intel.com>
List: port-mac68k
Date: 07/07/1999 10:47:03
Sean J. Schluntz wrote:
> Just so we know we are on the same track, I'm currently booting from the 
> netbsd.GENERIC-6.tar.gz kernel from 19990628 which reports it's self as 
> NetBSD 1.4D.
> 
> ps shows:
> 
>  PID PPID PGRP UID  S    FLAGS     COMMAND      WAIT
>  0     -1    0   0  3  0x20204     swapper   scsipi_

ok, that's pretty much what i'd expect.
 
> and another trace shows:
> 
> _Debugger(140ee0,376a,1f5e50,353a,0) + 6
> _nmihand(0,ffffffff,0,0,0) + 26
> _lev7intr(7)
> _mi_switch(2704,2200,0,8,0) + 12
> _tsleep(4e0000,11,1255da,0) + 162
> _scsipi_execute_xs(4e0000) + ac
> _scsi_scsipi_cmd(4d9e00,1f5ef2,6,0,0) + 9c
> _scsipi_prevent(4d9e00,1,180) + 44
> _sdopen(401,0,6000,0) + e8
> _sdsize(401,2704,ffff2200,1f3184,60000000) + 58
> _cpu_dumpconf(0,0) + 46
> _main(80040322,60000000,0,ffffcffc,280) + 380
> _exec_aout_prep_zmagic() + 10a
> 
> Is there a minimum swap space that I'm not meeting or something? When I 
> first did the system there was no swap space, but I completely wiped the 
> HD and rebuilt it with the partitions I posted in the earlier message so 
> there are separate U&R and Swap.

scott's theory is that your drive doesn't tolerate the PREVENT ALLOW
MEDIUM REMOVAL command (set up by scsipi_prevent()).  i'll see if i can
compile a test 1.4 kernel for you which has this commented out...

later.

colin