[Bug 227720] Kernel panic in ppp server

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227720

--- Comment #11 from Matt Allanson <matt.allanson at trimedx.com> ---
(In reply to Eugene Grosbein from comment #10)

Hoping this is more what you were looking for...

(kgdb) #0  __curthread () at ./machine/pcpu.h:222
#1  doadump (textdump=<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:298
#2  0xffffffff804bf360 in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:366
#3  0xffffffff804bf920 in vpanic (fmt=<optimized out>, ap=0xfffffe00968ee120)
    at /usr/src/sys/kern/kern_shutdown.c:759
#4  0xffffffff804bf963 in panic (fmt=<unavailable>)
    at /usr/src/sys/kern/kern_shutdown.c:690
#5  0xffffffff806e56a2 in trap_fatal (frame=0xfffffe00968ee2b0, eva=0)
    at /usr/src/sys/amd64/amd64/trap.c:801
#6  0xffffffff806e4d15 in trap (frame=0xfffffe00968ee2b0)
    at /usr/src/sys/amd64/amd64/trap.c:197
#7  <signal handler called>
#8  0xffffffff805d4297 in sysctl_dumpentry (rn=0xfffff80012b12c30,
    vw=0xfffffe00968ee648) at /usr/src/sys/net/rtsock.c:1543
#9  0xffffffff805ce5e0 in rn_walktree (h=<optimized out>,
    f=0xffffffff805d41a0 <sysctl_dumpentry>, w=0xfffffe00968ee648)
    at /usr/src/sys/net/radix.c:1094
#10 0xffffffff805d393b in sysctl_rtsock (oidp=<optimized out>,
    arg1=<optimized out>, arg2=<optimized out>, req=<optimized out>)
    at /usr/src/sys/net/rtsock.c:1900
#11 0xffffffff804cbe00 in sysctl_root_handler_locked (
    oid=0xffffffff80a5e818 <sysctl___net_routetable>, arg1=0xfffffe00968ee8b8,
    arg2=4, req=0xfffffe00968ee7f0, tracker=0xfffffe00968ee770)
    at /usr/src/sys/kern/kern_sysctl.c:165
#12 0xffffffff804cb622 in sysctl_root (oidp=<optimized out>, arg1=0x80,
    arg2=4, req=<optimized out>) at /usr/src/sys/kern/kern_sysctl.c:1877
#13 0xffffffff804cbb8d in userland_sysctl (td=<optimized out>,
    name=0xfffffe00968ee8b0, namelen=6, old=<optimized out>,
    oldlenp=<optimized out>, inkernel=<optimized out>, new=0x0,
    newlen=<optimized out>, retval=0xfffff80001e6b800, flags=0)
    at /usr/src/sys/kern/kern_sysctl.c:1980
#14 0xffffffff804cba2f in sys___sysctl (td=0xfffff800524e9000,
    uap=0xfffffe00968eea30) at /usr/src/sys/kern/kern_sysctl.c:1907
#15 0xffffffff806e5c60 in syscallenter (td=0xfffff800524e9000,
    sa=<optimized out>)
    at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:135
#16 amd64_syscall (td=0xfffff800524e9000, traced=0)
    at /usr/src/sys/amd64/amd64/trap.c:902
#17 <signal handler called>
#18 0x0000000801dd22aa in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffffffdf08
(kgdb)

Please let me know if you need anything else.

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