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Date:      Wed, 20 Jun 2012 01:05:36 +0100
From:      Vincent Hoffman <vince@unsane.co.uk>
To:        "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>
Subject:   -CURRENT Panic at boot at Revision: 237264 "mutex gif softc not owned at /usr/src/sys/netinet/in_gif.c:105"
Message-ID:  <4FE113D0.7070908@unsane.co.uk>

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Full dump info at http://unsane.co.uk/crash
It seems to have popped up between r236905 (working kernel) and r237264
(this panic)

the gif config I have in rc.conf is for a HE ipv6 tunnel

cloned_interfaces="gif0"
ifconfig_gif0="tunnel 85.233.185.162 216.66.80.26"
ifconfig_gif0_ipv6="inet6 2001:470:1f08:110::2 2001:470:1f08:110::1
prefixlen 128 -accept_rtadv"

src.conf only has
WITHOUT_IPFILTER=true
WITHOUT_KERBEROS=true
WITHOUT_PROFILE=yes

Happy to provide any more info as needed. any suggestions welcome, I'll
see if I can track it further with a binary search tomorrow.


>From dump info file (at above URL)
#0  doadump (textdump=0) at /usr/src/sys/kern/kern_shutdown.c:266
266             if (textdump && textdump_pending) {
(kgdb) #0  doadump (textdump=0) at /usr/src/sys/kern/kern_shutdown.c:266
#1  0xffffffff80314740 in db_dump (dummy=Variable "dummy" is not available.
)
    at /usr/src/sys/ddb/db_command.c:538
#2  0xffffffff80313d31 in db_command (last_cmdp=0xffffffff80c52b40,
cmd_table=Variable "cmd_table" is not available.

) at /usr/src/sys/ddb/db_command.c:449
#3  0xffffffff80313f80 in db_command_loop ()
    at /usr/src/sys/ddb/db_command.c:502
#4  0xffffffff803160d9 in db_trap (type=Variable "type" is not available.
) at /usr/src/sys/ddb/db_main.c:231
#5  0xffffffff80590918 in kdb_trap (type=3, code=0, tf=0xffffff80ea22ee20)
    at /usr/src/sys/kern/subr_kdb.c:654
#6  0xffffffff80815c9d in trap (frame=0xffffff80ea22ee20)
    at /usr/src/sys/amd64/amd64/trap.c:573
#7  0xffffffff807ffe63 in calltrap ()
    at /usr/src/sys/amd64/amd64/exception.S:228
#8  0xffffffff8059039b in kdb_enter (why=0xffffffff808fac8a "panic",
    msg=0x80 <Address 0x80 out of bounds>) at cpufunc.h:63
#9  0xffffffff805581f1 in panic (fmt=Variable "fmt" is not available.
)
    at /usr/src/sys/kern/kern_shutdown.c:628
#10 0xffffffff805454ec in _mtx_assert (m=Variable "m" is not available.
)
    at /usr/src/sys/kern/kern_mutex.c:747
#11 0xffffffff8067bcf6 in in_gif_output (ifp=0xfffffe0005e28000, family=28,
    m=0xfffffe0005ff8300) at /usr/src/sys/netinet/in_gif.c:105
#12 0xffffffff8061d6a2 in gif_start (ifp=0xfffffe0005e28000)
    at /usr/src/sys/net/if_gif.c:411
#13 0xffffffff8061cbd4 in gif_output (ifp=0xfffffe0005e28000, m=Variable
"m" is not available.
)
    at /usr/src/sys/net/if_gif.c:540
#14 0xffffffff807290c7 in nd6_output_lle (ifp=0xfffffe0005e28000,
    origifp=0xfffffe0005e28000, m0=0xfffffe0005ff8300,
    dst=0xffffff80ea22f56c, rt0=Variable "rt0" is not available.
) at /usr/src/sys/netinet6/nd6.c:2079
#15 0xffffffff807292f8 in nd6_output (ifp=Variable "ifp" is not available.
)
    at /usr/src/sys/netinet6/nd6.c:1824
#16 0xffffffff80723171 in ip6_output (m0=Variable "m0" is not available.
)
    at /usr/src/sys/netinet6/ip6_output.c:1021
#17 0xffffffff8072cf9f in nd6_ns_output (ifp=0xfffffe0005e28000,
daddr6=0x0,
    taddr6=0xfffffe0005300318, ln=Variable "ln" is not available.
) at /usr/src/sys/netinet6/nd6_nbr.c:593
#18 0xffffffff8072d801 in nd6_dad_start (ifa=0xfffffe0005300200, delay=0)
    at /usr/src/sys/netinet6/nd6_nbr.c:1298
#19 0xffffffff80710448 in in6_update_ifa (ifp=0xfffffe0005e28000,
    ifra=0xfffffe00812c8b00, ia=0xfffffe0005300200, flags=Variable
"flags" is not available.
)
    at /usr/src/sys/netinet6/in6.c:1298
#20 0xffffffff80711658 in in6_control (so=0xfffffe00810c5aa0,
cmd=2156423451,
    data=0xfffffe00812c8b00 "gif0", ifp=0xfffffe0005e28000,
    td=0xfffffe0005009000) at /usr/src/sys/netinet6/in6.c:654
#21 0xffffffff806181f6 in ifioctl (so=0xfffffe00810c5aa0, cmd=2156423451,
    data=0xfffffe00812c8b00 "gif0", td=0xfffffe0005009000)
    at /usr/src/sys/net/if.c:2540
#22 0xffffffff805aa0dd in kern_ioctl (td=Variable "td" is not available.
) at file.h:287
#23 0xffffffff805aa37d in sys_ioctl (td=0xfffffe0005009000,
    uap=0xffffff80ea22fb70) at /usr/src/sys/kern/sys_generic.c:691
#24 0xffffffff80814a34 in amd64_syscall (td=0xfffffe0005009000, traced=0)
    at subr_syscall.c:135
#25 0xffffffff80800147 in Xfast_syscall ()
    at /usr/src/sys/amd64/amd64/exception.S:387
#26 0x0000000801183d0c in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb)






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