Hi, 2011/7/4 Alexey V. Panfilov <po...@subnets.ru>: > Hi! > > We've three servers, connected as S1 <-ng_tunnel-> S2 <-ng_tunnel-> S3. > > Over tunnels runs BGP with full-view. > > Sometimes on S2 occures fatal trap with automatic reboot or without reboot > at all. It not depends of net loading (mbps or pps). > > If process of save a core was successfull, backtrace always shows that fatal > trap occures because of large packet (size around 60Kbyte) was received. > > > Any help are welcome. Thanks. > > ---------------------------------------------------------------------- > > Info about S2: > > smbios.system.maker="IBM" > smbios.system.product="System x3250 M3 -[425232G]-" > hw.model: Intel(R) Core(TM) i3 CPU 530 @ 2.93GHz > hw.physmem: 4207792128 > dev.em.0.%desc: Intel(R) PRO/1000 Network Connection 7.1.9 > dev.em.0.%pnpinfo: vendor=0x8086 device=0x10d3 subvendor=0x1014 > subdevice=0x03bd class=0x020000 > > NOTE: On S2 used only em0 > > /etc/sysctl.conf: > net.inet.icmp.icmplim=50 > net.inet.tcp.blackhole=2 > net.inet.udp.blackhole=1 > net.inet.icmp.drop_redirect=1 > net.inet.icmp.log_redirect=0 > net.inet.ip.redirect=0 > > Netgraph's tunnels are configured such as it wrote at example > (/usr/share/examples/netgraph/udp.tunnel): > > ngctl mkpeer iface dummy inet > ngctl mkpeer ng0: ksocket inet inet/dgram/udp > ngctl name ng0:inet to_S1 > ngctl msg ng0:inet bind inet/1.1.1.1:60001 > ngctl msg ng0:inet connect inet/5.5.5.5:60001 > ifconfig ng0 10.0.0.1 10.0.0.2 netmask 255.255.255.252 > > ngctl mkpeer iface dummy inet > ngctl mkpeer ng1: ksocket inet inet/dgram/udp > ngctl name ng1:inet to_S3 > ngctl msg ng1:inet bind inet/1.1.1.3:60002 > ngctl msg ng1:inet connect inet/7.7.7.7:60002 > ifconfig ng1 10.0.0.5 10.0.0.6 netmask 255.255.255.252 > > FreeBSD S2.line 8.2-RELEASE-p2 FreeBSD 8.2-RELEASE-p2 #1: Wed Jun 22 > 13:56:26 MSD 2011 r...@s2.line:/usr/src/sys/amd64/compile/BGP amd64 > > Hardware and software configurations on S1 and S3 are identical to S2, but > they runs without problem. > > ------------------------------------------------------------------------ > > backtrace: > > Unread portion of the kernel message buffer: > > > Fatal trap 12: page fault while in kernel mode > cpuid = 3; apic id = 05 > fault virtual address = 0x18 > fault code = supervisor read data, page not present > instruction pointer = 0x20:0xffffffff803f4a87 > stack pointer = 0x28:0xffffff811c80a5a0 > frame pointer = 0x28:0xffffff811c80a600 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 1478 (ng_queue0) > trap number = 12 > panic: page fault > cpuid = 3 > Uptime: 11d23h7m40s > Physical memory: 4012 MB > Dumping 674 MB: 659 643 627 611 595 579 563 547 531 515 499 483 467 451 435 > 419 403 387 371 355 339 323 307 291 275 259 243 227 211 195 179 163 147 131 > 115 99 83 67 51 35 19 3 > > Reading symbols from /boot/kernel/coretemp.ko...Reading symbols from > /boot/kernel/coretemp.ko.symbols...done. > done. > Loaded symbols for /boot/kernel/coretemp.ko > Reading symbols from /boot/kernel/ng_socket.ko...Reading symbols from > /boot/kernel/ng_socket.ko.symbols...done. > done. > Loaded symbols for /boot/kernel/ng_socket.ko > Reading symbols from /boot/kernel/netgraph.ko...Reading symbols from > /boot/kernel/netgraph.ko.symbols...done. > done. > Loaded symbols for /boot/kernel/netgraph.ko > Reading symbols from /boot/kernel/ng_iface.ko...Reading symbols from > /boot/kernel/ng_iface.ko.symbols...done. > done. > Loaded symbols for /boot/kernel/ng_iface.ko > Reading symbols from /boot/kernel/ng_ksocket.ko...Reading symbols from > /boot/kernel/ng_ksocket.ko.symbols...done. > done. > Loaded symbols for /boot/kernel/ng_ksocket.ko > #0 doadump () at pcpu.h:224 > 224 pcpu.h: No such file or directory. > in pcpu.h > (kgdb) bt > #0 doadump () at pcpu.h:224 > #1 0xffffffff80398d3e in boot (howto=260) at > ../../../kern/kern_shutdown.c:419 > #2 0xffffffff80399153 in panic (fmt=0x0) at > ../../../kern/kern_shutdown.c:592 > #3 0xffffffff8056f19d in trap_fatal (frame=0xffffff00070828c0, eva=Variable > "eva" is not available. > ) at ../../../amd64/amd64/trap.c:783 > #4 0xffffffff8056f55f in trap_pfault (frame=0xffffff811c80a4f0, usermode=0) > at ../../../amd64/amd64/trap.c:699 > #5 0xffffffff8056f95f in trap (frame=0xffffff811c80a4f0) at > ../../../amd64/amd64/trap.c:449 > #6 0xffffffff80557ba4 in calltrap () at > ../../../amd64/amd64/exception.S:224 > #7 0xffffffff803f4a87 in m_copym (m=0x0, off0=2980, len=1480, wait=1) at > ../../../kern/uipc_mbuf.c:542 obviously enough, m_copym() does not like to be passed a NULL mbuf :)
- Arnaud > #8 0xffffffff8047fc07 in ip_fragment (ip=0xffffff010e8d0558, > m_frag=0xffffff811c80a718, mtu=Variable "mtu" is not available. > ) at ../../../netinet/ip_output.c:819 > #9 0xffffffff80480d1f in ip_output (m=0xffffff010e8d0500, opt=Variable > "opt" is not available. > ) at ../../../netinet/ip_output.c:650 > #10 0xffffffff8047ca00 in ip_forward (m=0xffffff010e317600, srcrt=Variable > "srcrt" is not available. > ) at ../../../netinet/ip_input.c:1521 > #11 0xffffffff8047e1cd in ip_input (m=0xffffff010e317600) at > ../../../netinet/ip_input.c:729 > #12 0xffffffff8044eebe in netisr_dispatch_src (proto=1, source=Variable > "source" is not available. > ) at ../../../net/netisr.c:917 > #13 0xffffffff80a2dd76 in ng_linkinfo_type_fields () from > /boot/kernel/netgraph.ko > #14 0xffffffff80a26ae0 in ng_path2noderef (here=Variable "here" is not > available. > ) at netgraph.h:463 > #15 0xffffffff80a25bee in ng_worklist_add (node=0xffffff016abda168) at > /usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:3378 > #16 0xffffffff80a30339 in ng_namehash_mtx () from /boot/kernel/netgraph.ko > #17 0xffffffff80a26be0 in ng_path2noderef (here=0xffffff002dd93c00, > address=Variable "address" is not available. > ) at /usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:1773 > #18 0xffffffff80a27ceb in ng_apply_item (node=0x246, > item=0xffffff002dd93c70, rw=0) at > /usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:2613 > #19 0xffffffff8036ff68 in fork_exit (callout=0xffffffff80a27b80 > <ng_apply_item+1920>, arg=0x0, frame=0xffffff811c80ac40) at > ../../../kern/kern_fork.c:845 > #20 0xffffffff8055806e in fork_trampoline () at > ../../../amd64/amd64/exception.S:565 > #21 0x0000000000000000 in ?? () > #22 0x0000000000000000 in ?? () > #23 0x0000000000000001 in ?? () > #24 0x0000000000000000 in ?? () > #25 0x0000000000000000 in ?? () > #26 0x0000000000000000 in ?? () > #27 0x0000000000000000 in ?? () > #28 0x0000000000000000 in ?? () > #29 0x0000000000000000 in ?? () > #30 0x0000000000000000 in ?? () > #31 0x0000000000000000 in ?? () > #32 0x0000000000000000 in ?? () > #33 0x0000000000000000 in ?? () > #34 0x0000000000000000 in ?? () > #35 0x0000000000000000 in ?? () > #36 0x0000000000000000 in ?? () > #37 0x0000000000000000 in ?? () > #38 0x0000000000000000 in ?? () > #39 0x0000000000000000 in ?? () > #40 0x0000000000000000 in ?? () > #41 0x0000000000000000 in ?? () > #42 0x0000000000000000 in ?? () > #43 0x0000000000000000 in ?? () > #44 0x0000000000000000 in ?? () > #45 0xffffffff807cce40 in affinity () > #46 0x0000000000000000 in ?? () > #47 0x0000000000000000 in ?? () > #48 0xffffff0001efa000 in ?? () > #49 0xffffff811c809c80 in ?? () > #50 0xffffff811c809c28 in ?? () > #51 0xffffff0001d20460 in ?? () > #52 0xffffffff803be5f9 in sched_switch (td=0xffffffff80a27b80, newtd=0x0, > flags=Variable "flags" is not available. > ) at ../../../kern/sched_ule.c:1852 > Previous frame inner to this frame (corrupt stack?) > > -- > Simple Lehisnoe ;-) > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" > _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
