Does 2.2.1 address any of these problems?

[Gary Coffman]

In article <1991Mar25.165328.15638 at bronson.uucp> tan at bronson.uucp (Tan Bronson) writes:
>From section 4, Known problems and bugs of version 2.2 release notes:

>o Kernel may panic or system hang if multiple SCSI disks doing heavy I/O.

We had this problem repeatedly with Micropolis 1578 drives. Once we switched
to Maxtor 8760S drives the problem vanished. Since ISC hasn't been able
to reproduce the problems in their lab, I'd guess this is a subtle hardware
bug.

Gary