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Date: Tue, 5 Jul 2005 15:29:32 -0400
From: Kris Kennaway <kris@obsecurity.org>
To: Skylar Thompson <skylar@cs.earlham.edu>
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Subject: Re: Snapshot problems
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On Tue, Jul 05, 2005 at 12:55:59PM -0500, Skylar Thompson wrote:
> On Sun, Jul 03, 2005 at 12:52:01PM +0200, Dag-Erling Smrgrav wrote:
> > Skylar Thompson <skylar@cs.earlham.edu> writes:
> > > No joy. The machine hung again yesterday afternoon, with the error
> > > "kern.ipc.maxpipekva exceeded" repeated over and over again on the
> > > console.
> >=20
> > So you're using a lot of pipes - more than the kernel can handle with
> > the default parameters.  What's your workload?  Do you run a lot of
> > jails?  What is the current value of kern.ipc.maxpipekva?  Have you
> > tried increasing it?
>=20
> I doubled it from 16 million to 32 million, and the machine still crashes.

When you break to DDB, what processes are running or blocked?

Kris
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