Jonathan Stone writes:
> Kernels I built for a NetBSD/pmax snapshot seem to repeatably hang
> processes when I type "sync".  This causes shutdown and reboot to
> fail.  reboot -n, however, works.  This happened for kernels built
> from march 14/15 source.  It didn't happen for kernels built on march
> 5 from March 4 sup source.
> 
> I only have FFS and NFS filesystems mounted.  ps shows that update
> and any sync processes are waiting on "thrd_s" (thread_sleep?)
> 
> Has anyone seen anything similar on this or any other platform?

Very strange. This sounds extremely typical of what happened before
after we got the object collapse code added but before Mycroft did
some extensive fixes. Are you sure you are really up to date?

Perry