Date: Sun, 10 Jan 1999 17:24:24 GMT From: steven@shellnet.co.uk (Steven Fletcher) To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: freebsd-net@FreeBSD.ORG Subject: Re: IPFW, Dummynet under 2.2.8-RELEASE. Message-ID: <3699df97.14510975@smtp.shellnet.co.uk> In-Reply-To: <199901101256.NAA16700@labinfo.iet.unipi.it> References: <199901101256.NAA16700@labinfo.iet.unipi.it>
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On Sun, 10 Jan 1999 13:56:32 +0100 (MET), you wrote:
>
>it is not unlikely that you are running out of MBUFS -- a dummynet pipe
>uses up to 100 or more of them (depending on how you configure queue size
>that is) so you need some option NMBCLUSTERS=some-high-value
>to be safe.
My kernel already has:
maxusers 512
options "NMBCLUSTERS=9000"
options IPFIREWALL
options IPFIREWALL_VERBOSE
options IPFIREWALL_VERBOSE_LIMIT
options IPFIREWALL_DEFAULT_TO_ACCEPT
options DUMMYNET
>of course it should not crash, and of course it would be great if you
>could investigate more on the problem if it is easily reproducible for
>you.
I've tried really. The only trend I see is if it's being used, it
crashes. If it' not being used, it's perfectly stable.
>Another possible source of problems could be that buffers reference a
>route (descriptor)
Aha. Could this have anything to do with the errors I'm getting?
Jan 9 13:11:48 freebsd /kernel: rtfree: 0xf4822a00 not freed (neg
refs)
I searched the mail archives, but found no real result about this.
However, these errors don't usually happen near the crashes.
Steven Fletcher - steven@shellnet.co.uk
Shellnet - http://www.shellnet.com
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