Subject: Re: NFS lossage from NetBSD to SunOS
To: None <greg@duke.CS.UNLV.EDU>
From: Gordon W. Ross <gwr@mc.com>
List: current-users
Date: 05/02/1996 10:40:31
> Date: Wed, 01 May 1996 14:01:17 -0700
> From: Greg Wohletz <greg@duke.CS.UNLV.EDU>

> >[ On Sat, April 27, 1996 at 11:55:43 (+0300), Valtteri Vuorikoski wrote: ]
> >
> >I've an opposite setup, where I'm running a diskless NetBSD-1.1A machine
> >mounted on a SunOS-4.1.1_U1 server (sun3s, both).
> >
> >I see similar problems.  Sometimes the X server on the NetBSD box starts
> >to lose fonts, other times it'll be the shared libraries that start
> >showing corruption and most everything dies.  A reboot normally fixes
> >things, except for the odd time when the MMU gets stuck in some bad
> >state and I have to do a low-level reset (PROM "k2" command or a power
> >cycle).
> 
> Make sure that the kernel variable udp_cksum is set to 1 in your sunos
> kernel (it's not by default).  Having this set to 0 (as sunos is shipped)
> can cause a variety of problems with UDP based services (like NFS and
> nameservice)

I've heard that suggested too (about udp_cksum in SunOS) but
it never made any difference for me if it was on or off.
I doubt that is the problem.

Gordon