Date: Tue, 6 Nov 2007 10:15:57 -0800 From: "Kip Macy" <kip.macy@gmail.com> To: "Per olof Ljungmark" <peo@intersonic.se> Cc: freebsd-current@freebsd.org, Stefan Lambrev <stefan.lambrev@moneybookers.com> Subject: Re: rtfree: 0xc741ee88 has 1 refs Message-ID: <b1fa29170711061015l67d999ceqfcdf1d668d18ad6b@mail.gmail.com> In-Reply-To: <4730AA30.7090607@intersonic.se> References: <472B1E89.5080006@moneybookers.com> <47303578.8060703@moneybookers.com> <4730AA30.7090607@intersonic.se>
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On 11/6/07, Per olof Ljungmark <peo@intersonic.se> wrote: > Stefan Lambrev wrote: > > Hi, > > > > Sorry to reply to myself, but I found that the problem exist only if the > > GW is carp interface, e.g. 10.1.1.1 sits on carp0 on default GW. > > I'm still testing how to reproduce this in my test lab and will fill a PR. > > > > Stefan Lambrev wrote: > >> Hi, > >> > >> I see rtfree: 0xc741ee88 has 1 refs with freebsd releng_7 (i386) from > >> today. > >> > >> I think it's easy reproducible. What I have is: > >> > >> releng_7 (10.1.1.2) -> default GW (10.1.1.1) > >> on default GW I have route to 10.10.1.1/24 -> 10.1.1.3 > >> > >> so everytime when 10.1.1.2 try to contact someone from 10.10.1.1/24 I > >> see: > >> rtfree: 0xc741ee88 has 1 refs > >> > >> if I add direct route on 10.1.1.2 to 10.10.1.1/24 through 10.1.1.3 the > >> message will go away. > >> > >> Should I ignore this msg for now, or should I expect kernel panic > >> soon? :) > > Just FYI, I see this on a few boxes including the 7-BETA2 I'm writing > this on. None of them has a carp interface though. What I find > interesting here is that none of them are able to run a SMP kernel > without crashing (no panic, they're just frozen completely). > > Perhaps it is a coincidence, I don't know, but I am very interested in > your findings and have testbeds if you need. > The warning is mostly harmless. It means that rtfree is being called where RTFREE_LOCKED should be used. Adding a kdb_backtrace() should track it down for you. -Kip
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