Re: Scheduler broken on VAX?

["Michael L. Hitch" <mhitch%lightning.msu.montana.edu@localhost>]

On Mon, 23 Feb 2009, George Harvey wrote:

> Tested on 5.0_RC2 running on a 4000/500A...
>
> There was a thread a few weeks ago about system hangs and how breaking
> into ddb and single stepping for a while would un-hang them. I've now
> found a simple way to reproduce the symptoms: just run a program with an
> infinite loop in it, other terminal sessions will stop responding but
> the box will still respond to pings. This looks like the scheduler is
> being locked out somehow but I'm unfamiliar with the kernel internals so
> I'm hoping someone more knowledgeable might have some suggestions.

  This should now be fixed in -current, and a pullup has been submitted
for netbsd-5.

--
Michael L. Hitch                        mhitch%montana.edu@localhost
Computer Consultant
Information Technology Center
Montana State University        Bozeman, MT     USA