Date: Fri, 19 Nov 2004 11:09:56 +0100 From: Slawek Zak <zaks@prioris.mini.pw.edu.pl> To: stable@freebsd.org Cc: rwatson@freebsd.org Subject: Network related panic on FreeBSD 5.3-STABLE/AMD64 Message-ID: <20041119100955.GA70930@prioris.mini.pw.edu.pl>
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Hi, I can reproduce it easily, The panic message and backtrace is: 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
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