Date: Fri, 7 Aug 2015 20:04:01 -0500 From: Larry Rosenman <ler@lerctr.org> To: freebsd-current@freebsd.org, freebsd-net@freebsd.net Subject: traceroute6: panic: pcb not read locked Message-ID: <20150808010324.GA1392@borg.lerctr.org>
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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]
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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
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