Date: Mon, 15 Nov 2004 14:01:48 -0800 From: Sean McNeil <sean@mcneil.com> To: current@freebsd.org Subject: natd panics are back Message-ID: <1100556108.3025.1.camel@server.mcneil.com>
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This was fixed a while ago and now it has made its way back into
current:
server# uname -a
FreeBSD server.mcneil.com 6.0-CURRENT FreeBSD 6.0-CURRENT #58: Mon Nov 15 08:40:01 PST 2004 root@server.mcneil.com:/usr/obj/usr/src/sys/AMD64 amd64
Nov 15 13:56:16 server kernel: Fatal trap 12: page fault while in kernel mode
Nov 15 13:56:16 server kernel: fault virtual address = 0x18
Nov 15 13:56:16 server kernel: fault code = supervisor read, page
not present
Nov 15 13:56:16 server kernel: instruction pointer = 0x8:0xffffffff80354810Nov 15 13:56:16 server kernel: stack pointer = 0x10:0xffffffffb1c71620
Nov 15 13:56:16 server kernel: frame pointer = 0x10:0xffffffffb1c71680
Nov 15 13:56:16 server kernel: code segment = base 0x0, limit 0xfffff, type 0x1b
Nov 15 13:56:16 server kernel: = DPL 0, pres 1, long 1, def32 0, gran 1
Nov 15 13:56:16 server kernel: processor eflags = interrupt enabled, resume, IOPL = 0
Nov 15 13:56:16 server kernel: current process = 212 (natd)
Nov 15 13:56:16 server kernel: trap number = 12
Nov 15 13:56:16 server kernel: panic: page fault
Nov 15 13:56:16 server kernel: KDB: enter: panic
(gdb) l *0xffffffff80354810
0xffffffff80354810 is in m_copym (/usr/src/sys/kern/uipc_mbuf.c:373).
368 MBUF_CHECKSLEEP(wait);
369 if (off == 0 && m->m_flags & M_PKTHDR)
370 copyhdr = 1;
371 while (off > 0) {
372 KASSERT(m != NULL, ("m_copym, offset > size of mbuf chain"));
373 if (off < m->m_len)
374 break;
375 off -= m->m_len;
376 m = m->m_next;
377 }
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