Date: Fri, 19 Nov 2004 10:50:49 +0000 (GMT) From: Robert Watson <rwatson@freebsd.org> To: Slawek Zak <zaks@prioris.mini.pw.edu.pl> Cc: pjd@freebsd.org Subject: Re: Network related panic on FreeBSD 5.3-STABLE/AMD64 Message-ID: <Pine.NEB.3.96L.1041119105009.66045P-100000@fledge.watson.org> In-Reply-To: <Pine.NEB.3.96L.1041119101544.66045N-100000@fledge.watson.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, 19 Nov 2004, Robert Watson wrote: > > On Fri, 19 Nov 2004, Slawek Zak wrote: > > > I can reproduce it easily, > > > > The panic message and backtrace is: > > Could I get you to convert the symbol+offsets below to line numbers > using gdb on a copy of your kernel with debugging symbols? In > particular, the offsets into tcp_output, tcp_input, and ip_input. Also, since this is highly reproduceable for you, could you try running with "options SOCKBUF_DEBUG"? It could be that we're looking at a socket buffer corruption issue, and this debugging option will catch it earlier (at some cost to performance). Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Principal Research Scientist, McAfee Research > > Thanks! > > Robert N M Watson FreeBSD Core Team, TrustedBSD Projects > robert@fledge.watson.org Principal Research Scientist, McAfee Research > > > > > > panic: m_copym, offset > size of mbuf chain > > cpuid = 1 > > KDB: enter: panic > > [thread 100025] > > Stopped at kdb_enter+0x2f: nop > > db> trace > > kdb_enter() at kdb_enter+0x2f > > panic() at panic+0x249 > > m_copym() at m_copym+0x1b1 > > tcp_output() at tcp_output+0xce8 > > tcp_input() at tcp_input+0x2d95 > > ip_input() at ip_input+0x10f > > netisr_processqueue() at netisr_processqueue+0x17 > > swi_net() at swi_net+0x116 > > ithread_loop() at ithread_loop+0xd9 > > fork_exit() at fork_exit+0xc3 > > fork_trampoline() at fork_trampoline+0xe > > --- trap 0, rip = 0, rsp = 0xffffffffb19bad00, rbp = 0 --- > > > > I was able to collect a coredump, if it helps, I can make it available > > to interrested parties along with kernel.debug. > > > > The machine is 2 processor SunFire V20z, debug.mpsafenet is 0. > > > > TIA, /S > > > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.NEB.3.96L.1041119105009.66045P-100000>