Date: Fri, 7 Aug 2015 18:29:45 -0700 From: Adrian Chadd <adrian.chadd@gmail.com> To: Larry Rosenman <ler@lerctr.org> Cc: freebsd-current <freebsd-current@freebsd.org>, freebsd-net@freebsd.net Subject: Re: traceroute6: panic: pcb not read locked Message-ID: <CAJ-Vmok5qzf0y0AtBL6h7XxA4U%2BHuNbigya=j71ijR2hoLvKBg@mail.gmail.com> In-Reply-To: <20150808010324.GA1392@borg.lerctr.org> References: <20150808010324.GA1392@borg.lerctr.org>
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is it easily reproducable for you there? -a On 7 August 2015 at 18:04, Larry Rosenman <ler@lerctr.org> wrote: > Trying to debug TimeWarner IPV6 to my HE.NET tunnel, and running traceroute6, > got the following panic: > > borg.lerctr.org dumped core - see /var/crash/vmcore.0 > > Fri Aug 7 19:58:40 CDT 2015 > > FreeBSD borg.lerctr.org 11.0-CURRENT FreeBSD 11.0-CURRENT #32 r286338: Wed Aug 5 15:57:55 CDT 2015 root@borg.lerctr.org:/usr/obj/usr/src/sys/VT-LER amd64 > > panic: Lock tcp not read locked @ /usr/src/sys/netinet/tcp_subr.c:1189 > > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "amd64-marcel-freebsd"... > > Unread portion of the kernel message buffer: > panic: Lock tcp not read locked @ /usr/src/sys/netinet/tcp_subr.c:1189 > > cpuid = 2 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe2dfc3ef400 > vpanic() at vpanic+0x189/frame 0xfffffe2dfc3ef480 > panic() at panic+0x43/frame 0xfffffe2dfc3ef4e0 > __rw_assert() at __rw_assert+0x154/frame 0xfffffe2dfc3ef4f0 > tcp_notify() at tcp_notify+0x2d/frame 0xfffffe2dfc3ef520 > in6_pcbnotify() at in6_pcbnotify+0x2a0/frame 0xfffffe2dfc3ef5b0 > tcp6_ctlinput() at tcp6_ctlinput+0xf4/frame 0xfffffe2dfc3ef650 > icmp6_input() at icmp6_input+0x1737/frame 0xfffffe2dfc3ef7f0 > ip6_input() at ip6_input+0x4a2/frame 0xfffffe2dfc3ef8d0 > netisr_dispatch_src() at netisr_dispatch_src+0x86/frame 0xfffffe2dfc3ef940 > ether_demux() at ether_demux+0x176/frame 0xfffffe2dfc3ef970 > ether_nh_input() at ether_nh_input+0x33a/frame 0xfffffe2dfc3ef9b0 > netisr_dispatch_src() at netisr_dispatch_src+0x86/frame 0xfffffe2dfc3efa20 > ether_input() at ether_input+0x4f/frame 0xfffffe2dfc3efa50 > if_input() at if_input+0xa/frame 0xfffffe2dfc3efa60 > em_rxeof() at em_rxeof+0x27f/frame 0xfffffe2dfc3efae0 > em_handle_que() at em_handle_que+0x40/frame 0xfffffe2dfc3efb20 > taskqueue_run_locked() at taskqueue_run_locked+0xf0/frame 0xfffffe2dfc3efb80 > taskqueue_thread_loop() at taskqueue_thread_loop+0x88/frame 0xfffffe2dfc3efbb0 > fork_exit() at fork_exit+0x84/frame 0xfffffe2dfc3efbf0 > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe2dfc3efbf0 > --- trap 0, rip = 0, rsp = 0, rbp = 0 --- > Uptime: 19m58s > Dumping 2903 out of 64454 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91% > > Reading symbols from /boot/kernel/linux.ko.symbols...done. > Loaded symbols for /boot/kernel/linux.ko.symbols > Reading symbols from /boot/kernel/linux_common.ko.symbols...done. > Loaded symbols for /boot/kernel/linux_common.ko.symbols > Reading symbols from /boot/kernel/if_lagg.ko.symbols...done. > Loaded symbols for /boot/kernel/if_lagg.ko.symbols > Reading symbols from /boot/kernel/snd_envy24ht.ko.symbols...done. > Loaded symbols for /boot/kernel/snd_envy24ht.ko.symbols > Reading symbols from /boot/kernel/snd_spicds.ko.symbols...done. > Loaded symbols for /boot/kernel/snd_spicds.ko.symbols > Reading symbols from /boot/kernel/coretemp.ko.symbols...done. > Loaded symbols for /boot/kernel/coretemp.ko.symbols > Reading symbols from /boot/kernel/ichsmb.ko.symbols...done. > Loaded symbols for /boot/kernel/ichsmb.ko.symbols > Reading symbols from /boot/kernel/smbus.ko.symbols...done. > Loaded symbols for /boot/kernel/smbus.ko.symbols > Reading symbols from /boot/kernel/ichwd.ko.symbols...done. > Loaded symbols for /boot/kernel/ichwd.ko.symbols > Reading symbols from /boot/kernel/cpuctl.ko.symbols...done. > Loaded symbols for /boot/kernel/cpuctl.ko.symbols > Reading symbols from /boot/kernel/cryptodev.ko.symbols...done. > Loaded symbols for /boot/kernel/cryptodev.ko.symbols > Reading symbols from /boot/kernel/dtraceall.ko.symbols...done. > Loaded symbols for /boot/kernel/dtraceall.ko.symbols > Reading symbols from /boot/kernel/profile.ko.symbols...done. > Loaded symbols for /boot/kernel/profile.ko.symbols > Reading symbols from /boot/kernel/dtrace.ko.symbols...done. > Loaded symbols for /boot/kernel/dtrace.ko.symbols > Reading symbols from /boot/kernel/systrace_freebsd32.ko.symbols...done. > Loaded symbols for /boot/kernel/systrace_freebsd32.ko.symbols > Reading symbols from /boot/kernel/systrace.ko.symbols...done. > Loaded symbols for /boot/kernel/systrace.ko.symbols > Reading symbols from /boot/kernel/sdt.ko.symbols...done. > Loaded symbols for /boot/kernel/sdt.ko.symbols > Reading symbols from /boot/kernel/fasttrap.ko.symbols...done. > Loaded symbols for /boot/kernel/fasttrap.ko.symbols > Reading symbols from /boot/kernel/fbt.ko.symbols...done. > Loaded symbols for /boot/kernel/fbt.ko.symbols > Reading symbols from /boot/kernel/dtnfscl.ko.symbols...done. > Loaded symbols for /boot/kernel/dtnfscl.ko.symbols > Reading symbols from /boot/kernel/dtmalloc.ko.symbols...done. > Loaded symbols for /boot/kernel/dtmalloc.ko.symbols > Reading symbols from /boot/modules/nvidia.ko...done. > Loaded symbols for /boot/modules/nvidia.ko > Reading symbols from /boot/kernel/ipmi.ko.symbols...done. > Loaded symbols for /boot/kernel/ipmi.ko.symbols > Reading symbols from /boot/kernel/ipmi_linux.ko.symbols...done. > Loaded symbols for /boot/kernel/ipmi_linux.ko.symbols > Reading symbols from /boot/kernel/radeonkms.ko.symbols...done. > Loaded symbols for /boot/kernel/radeonkms.ko.symbols > Reading symbols from /boot/kernel/iicbb.ko.symbols...done. > Loaded symbols for /boot/kernel/iicbb.ko.symbols > Reading symbols from /boot/kernel/iicbus.ko.symbols...done. > Loaded symbols for /boot/kernel/iicbus.ko.symbols > Reading symbols from /boot/kernel/iic.ko.symbols...done. > Loaded symbols for /boot/kernel/iic.ko.symbols > Reading symbols from /boot/kernel/drm2.ko.symbols...done. > Loaded symbols for /boot/kernel/drm2.ko.symbols > Reading symbols from /boot/kernel/radeonkmsfw_R100_cp.ko.symbols...done. > Loaded symbols for /boot/kernel/radeonkmsfw_R100_cp.ko.symbols > Reading symbols from /boot/kernel/uhid.ko.symbols...done. > Loaded symbols for /boot/kernel/uhid.ko.symbols > Reading symbols from /boot/kernel/linux64.ko.symbols...done. > Loaded symbols for /boot/kernel/linux64.ko.symbols > Reading symbols from /boot/kernel/pf.ko.symbols...done. > Loaded symbols for /boot/kernel/pf.ko.symbols > #0 doadump (textdump=1) at pcpu.h:221 > 221 pcpu.h: No such file or directory. > in pcpu.h > (kgdb) #0 doadump (textdump=1) at pcpu.h:221 > #1 0xffffffff80b2b255 in kern_reboot (howto=260) > at /usr/src/sys/kern/kern_shutdown.c:329 > #2 0xffffffff80b2b848 in vpanic (fmt=<value optimized out>, > ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:626 > #3 0xffffffff80b2b893 in panic (fmt=0x0) > at /usr/src/sys/kern/kern_shutdown.c:557 > #4 0xffffffff80b29764 in __rw_assert (c=0x0, what=<value optimized out>, > file=0x0, line=0) at /usr/src/sys/kern/kern_rwlock.c:1183 > #5 0xffffffff80ceba5d in tcp_notify (inp=0xfffff80090798960, error=61) > at /usr/src/sys/netinet/tcp_subr.c:1189 > #6 0xffffffff80d0cd20 in in6_pcbnotify (pcbinfo=<value optimized out>, > dst=0xfffffe2dfc3ef720, fport_arg=13568, src=<value optimized out>, > lport_arg=<value optimized out>, cmd=<value optimized out>, > notify=0xffffffff80ceba30 <tcp_notify>) > at /usr/src/sys/netinet6/in6_pcb.c:679 > #7 0xffffffff80cebf24 in tcp6_ctlinput (cmd=10, sa=0xfffffe2dfc3ef720, > d=0xfffffe2dfc3ef6d8) at /usr/src/sys/netinet/tcp_subr.c:1641 > #8 0xffffffff80cfc607 in icmp6_input (mp=<value optimized out>, > offp=0xfffffe2dfc3ef81c, proto=0) at /usr/src/sys/netinet6/icmp6.c:1155 > #9 0xffffffff80d10f72 in ip6_input (m=0xfffff80049c65100) > at /usr/src/sys/netinet6/ip6_input.c:810 > #10 0xffffffff80c10026 in netisr_dispatch_src (proto=<value optimized out>, > source=<value optimized out>, m=0xfffff80049c65100) > at /usr/src/sys/net/netisr.c:972 > #11 0xffffffff80c06ec6 in ether_demux (ifp=<value optimized out>, > m=<value optimized out>) at /usr/src/sys/net/if_ethersubr.c:768 > #12 0xffffffff80c07b7a in ether_nh_input (m=<value optimized out>) > at /usr/src/sys/net/if_ethersubr.c:575 > #13 0xffffffff80c10026 in netisr_dispatch_src (proto=<value optimized out>, > source=<value optimized out>, m=0xfffff80049c65100) > at /usr/src/sys/net/netisr.c:972 > #14 0xffffffff80c071af in ether_input (ifp=0xfffff8002c6d5800, m=0x0) > at /usr/src/sys/net/if_ethersubr.c:676 > #15 0xffffffff80c03f4a in if_input (ifp=0x0, sendmp=0x0) > at /usr/src/sys/net/if.c:3847 > #16 0xffffffff8061d01f in em_rxeof (count=99) > at /usr/src/sys/dev/e1000/if_em.c:4666 > #17 0xffffffff8061c940 in em_handle_que (context=0xfffffe1ea96cb000, > pending=<value optimized out>) at /usr/src/sys/dev/e1000/if_em.c:1564 > #18 0xffffffff80b78ca0 in taskqueue_run_locked (queue=0xfffff8002c6d4300) > at /usr/src/sys/kern/subr_taskqueue.c:430 > #19 0xffffffff80b79778 in taskqueue_thread_loop (arg=<value optimized out>) > at /usr/src/sys/kern/subr_taskqueue.c:683 > #20 0xffffffff80af2154 in fork_exit ( > callout=0xffffffff80b796f0 <taskqueue_thread_loop>, > arg=0xfffffe1ea96cd730, frame=0xfffffe2dfc3efc00) > at /usr/src/sys/kern/kern_fork.c:1006 > #21 0xffffffff80f514ce in fork_trampoline () > at /usr/src/sys/amd64/amd64/exception.S:610 > #22 0x0000000000000000 in ?? () > Current language: auto; currently minimal > (kgdb) > > > Core *IS* available. > > FreeBSD borg.lerctr.org 11.0-CURRENT FreeBSD 11.0-CURRENT #32 r286338: Wed Aug 5 15:57:55 CDT 2015 root@borg.lerctr.org:/usr/obj/usr/src/sys/VT-LER amd64 1100077 1100077 > > > 11.0-CURRENT > -- > Larry Rosenman http://www.lerctr.org/~ler > Phone: +1 214-642-9640 E-Mail: ler@lerctr.org > US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961 > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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