In message <199705150052.RAA09997@Pescadero.DSG.Stanford.EDU>, Jonathan Stone w
rites:
>
>I've built a snapshot kernel with a possible fix, that may improve the
>widely-reported problem of 3100s hanging during heavy disk acceses.
>
>The new kernel is in
>ftp.netbsd.org:~ftp/pub/NetBSD/arch/pmax/netbsd.generic.  I've tried
>out the same changes on a 5000/240 or 5000/200, and verified that they
>don't break anything.
>
>Could someone who *has* had problems with -current on a 3100 since
>April please try it out, and let me know if it's better, worse, or no change.
>
>thanks
>--Jonathan

It still hangs.

We tested tar -cvf /dev/null / 

and that doesn't seem to hang.

But tar -xvf /usr/src/X/x11r6.3.tar.gz while in / caused a lockup after 
only a few files.

These are the disks:

rz0 at sii0 drive 0 slave 0 DEC RZ23     (C) DEC rev 0A18, 204864 512 byte blocks
rz1 at sii0 drive 1 slave 0 CDC 94181-15 rev 2197, 1173930 512 byte blocks

/dev/rz0a       117822    70638    41292    63%    /
/dev/rz1a      1136358   675136   404404    63%    /usr