> >    the screen just blanks and starts booting.
> > 
> > Well, that's nice.  How about supplying some more useful information?
> > 
> > * What port?  (I presume i386, based on your previous questions, but I
> > don't *know* that.)
> 
> i386
> > 
> > * What hardware, precisely?  (What CPU, motherboard, disk controller,
> > disks, how much memory, etc.)
> 
> 486DX33 (intel) 2 QUANTUM LPS540A hd's
> 20mb ram, basic $20 IDE controller.
> UMC motherboard, SMC elite ethernet card.
> > 
> > * When was the last time you fsck'd your file systems?
> > 
> last time it spontaneously rebooted (about 2hours before hand)
> (and about 3-4 times before that in the same day, 1 manual fsck)

I've just had another crash, same configuration, except oct 2nd sources:

dev = 0x5, block = 259, fs = /tmp
panic: blkfree: freeing free frag
syncing disks.....

(can't recall if it was flag or frag)

while doing a make clean on the /usr/src tree

my partitions are:

Filesystem         1K-blocks     Used    Avail Capacity  Mounted on
/dev/wd0a              31551     8727    19668    31%    /
kernfs                     1        1        0   100%    /kern
/dev/wd0e             247823    66798   156242    30%    /var
/dev/wd0f             136991        1   123290     0%    /tmp
/dev/wd1a             511822   332299   128340    72%    /usr

bry
---
 Bryan Collins
 Coombs Computing Unit
 Australian National University
 Canberra, Australia, 0200
 Tel: (06) 249 3102
 Email: Bryan.Collins@anu.edu.au