On Mon, 18 Apr 2005, Kris Kennaway wrote:
This on an u10 running
FreeBSD 5.3-STABLE (NETBOOT) #1: Sun Dec 12 18:38:35 JST 2004
It may already be fixed, but since this is clearly a very infrequent problem (the other 7 machines with the same kernel have been running for months) it will be hard to tell empirically.
Unfortunately I don't seem to have a kernel.debug for this machine.
Is it possible to build a kernel from around the right date and see how closely things match? Do you have the full trap message? There was a 2005/01/12 change to tcp_output.c that corrected a possible crash, but I don't have the details of the crash on-hand to know if it's the same one. A lin number would be very helpful, even approximate, for the call to m_copym() in tcp_output(), as well as the full fault message.
Robert N M Watson
panic: trap: fast data access mmu miss cpuid = 0 KDB: enter: panic [thread 100005] Stopped at kdb_enter+0x38: ta %xcc, 1 db> wh panic() at panic+0x214 trap() at trap+0x13c -- fast data access mmu miss tar=0 %o7=0xc02b2090 -- m_copym() at m_copym+0x40 tcp_output() at tcp_output+0xfa4 tcp_input() at tcp_input+0x3680 ip_input() at ip_input+0x150 netisr_processqueue() at netisr_processqueue+0x7c swi_net() at swi_net+0x154 ithread_loop() at ithread_loop+0x124 fork_exit() at fork_exit+0x68 fork_trampoline() at fork_trampoline+0x8 db>
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