Date: Fri, 11 Jan 2008 17:21:25 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Bartosz Giza <gizmen@blurp.pl> Cc: freebsd-hackers@freebsd.org Subject: Re: kernel panic while using tcpdump Message-ID: <47879785.9010806@FreeBSD.org> In-Reply-To: <200801111652.50612.gizmen@blurp.pl> References: <200801111652.50612.gizmen@blurp.pl>
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Bartosz Giza wrote: > Hi, > > We are using a lot of i386 computers as routers for out network. All of those > routers are using FreeBSD from 4.x to 7.x (exept 5.x) > > We are having problem with kernel panic on routers based on 6.x and 7.x while > using tcpdump or trafshow. It is not that always we got kernel panics. We got > them in random occurence. Some time i can tcpdump for a minute and turn it > off and again while i am testing packets comming thru iface for an hour, and > nothin happens. But sometime i run tcpdump and after few second i got kernel > panic. It happens mostly when i am trying to close tcpdump with ctrl-c. > It happens also with trafshow3 which we are using to track transfers. > > It happens on 6.x series and i thought that maybe there is bug in this line > and i have tryied 7.x line i got kernel panics also. > > The problem is that i can't really get message when it happens because those > routers are in remote places and after 15 second they are rebooting (and that > is great:) > > Is there any way to save this message to a file that i could paste over here ? > > Could some one help me to diagnoze this behaviour ? > > We are using i386 arch on all routers. The hardware is totally different from > quite old parts to quite new dell. > What is strange on 4.x we never hit such a kernel panic. > > We are using mostly fxp NIC on all routers with some exeptions and i have > started wondering that maybe fxp driver has some bug or bpf code. > > Thanks for any help in diagnosing this panics. > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > > http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html Kris
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