Date: Fri, 18 Apr 2008 12:02:47 +0100 From: "Bruce M. Simpson" <bms@FreeBSD.org> To: John Baldwin <jhb@freebsd.org> Cc: Petr Holub <hopet@ics.muni.cz>, freebsd-stable@freebsd.org, re@FreeBSD.org Subject: Re: panics on 6.3-RELEASE in IP stack Message-ID: <48087FD7.5070900@FreeBSD.org> In-Reply-To: <47FBB24B.60504@FreeBSD.org> References: <01ab01c898ca$ce4763e0$6ad62ba0$@muni.cz> <200804080957.30738.jhb@freebsd.org> <47FBB24B.60504@FreeBSD.org>
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Bruce M. Simpson wrote: >>> >>> I started to play with RAT application (ports: mbone/rat + an SVN >>> version) >>> and >>> it seems to crash my 6.3-RELEASE-p1 box in rather deterministic way. >>> Crash >>> details are shown below. Has anyone seen a problem like this? >>> >> >> Yes, there's an off-by-one reference count bug in the multicast stuff. > > I concur, this fix should really be MFCed. The problem went away in > 7.x due to a total rewrite. I am distracted by other stuff at the > moment, so, starter's orders... This just bit me. The fix is in RELENG_6, but it is not present after the -p1 tag. So updating to STABLE should fix the problem for Petr. Whilst 6 is no longer the STABLE branch, I think this really should go onto 6 in case any other releases happen from that branch. cheers BMS
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