FreeBSD -STABLE servers repeatedly crashing.

Kris Kennaway kris at
Thu Jul 21 04:22:58 GMT 2005

On Mon, Jul 18, 2005 at 05:39:40PM -0400, Gary Mulder wrote:
> On Mon, 18 Jul 2005, Pawel Malachowski wrote:
> > On Mon, Jul 18, 2005 at 04:09:58PM -0400, Matt Juszczak wrote:
> > 
> > > Correct.  IPF is unstable with our SMP (most of the time) - based 5.x 
> > > boxes.  VERY unstable.  VERY VERY unstable.
> > 
> > Hm, this sounds bad. What is debug.mpsafenet set to? How big is traffic?
> > 
> > I have one SMP box with ipnat, routing some megabits (even during night
> > it's more than 30-40Mbps) without problems, however, ipnat is used only
> > for very small group of hosts right now.
> > But we plan to use ipnat more heavily so it sounds a bit scary. ;)
> >From personal experience I can repeat what Matt has stated. It seems to be 
> related to what NIC you have. I have had crashes with fxp (Intel Pro 
> 100MBit) and bge (Broadcom Gigabit) NICs under moderate network load. 
> Removing ipf reduced but did not eliminate the crashes. debug.mpsafe also 
> reduced but did not eliminate the crashes.

No, that's different then.  Please report your bugs in the usual way
(gdb traceback, etc).

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