kern/122283: commit references a PR

[dfilter service]

The following reply was made to PR kern/122283; it has been noted by GNATS.

From: dfilter at FreeBSD.ORG (dfilter service)
To: bug-followup at 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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