Date: Thu, 25 Sep 2008 12:40:04 GMT From: dfilter@FreeBSD.ORG (dfilter service) To: freebsd-bugs@FreeBSD.org Subject: Re: kern/122283: commit references a PR Message-ID: <200809251240.m8PCe4LB069147@freefall.freebsd.org>
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The following reply was made to PR kern/122283; it has been noted by GNATS.
From: dfilter@FreeBSD.ORG (dfilter service)
To: bug-followup@FreeBSD.org
Cc:
Subject: Re: kern/122283: commit references a PR
Date: Thu, 25 Sep 2008 12:35:18 +0000 (UTC)
dwmalone 2008-09-25 12:35:01 UTC
FreeBSD src repository
Modified files:
sys/net if_stf.c
Log:
SVN rev 183351 on 2008-09-25 12:35:01Z by dwmalone
Some people's 6to4 routers seem to have been blowing up because of
the unlocked route caching in if_stf. Add a mutex that protects
access to cached route. This seemed to fix problems for Pekka Savola.
Nick Sayer had similar problems, and in his case completly disabling
the route cache seemed to help. Add a sysctl net.link.stf.route_cache
that can be used to turn off route caching in if_stf.
PR: 122283
MFC after: 2 weeks
Tested by: Pekka Savola, Nick Sayer.
Revision Changes Path
1.64 +30 -6 src/sys/net/if_stf.c
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