Aug 29 RELENG_8 crash

[Mike Tancsa]

LNS server that was running with ipv6 enabled.  Anyone know what this might be related to ?


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x12
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0xc07383e7
stack pointer           = 0x28:0xc5658be8
frame pointer           = 0x28:0xc5658bfc
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 11 (swi4: clock)
trap number             = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
#0 0xc068dd47 at kdb_backtrace+0x47
#1 0xc065e607 at panic+0x117
#2 0xc0883cc3 at trap_fatal+0x323
#3 0xc0883f40 at trap_pfault+0x270
#4 0xc088445a at trap+0x43a
#5 0xc086b24c at calltrap+0x6
#6 0xc06b4ce9 at pfslowtimo+0x29
#7 0xc0671f87 at softclock+0x237
#8 0xc063525b at intr_event_execute_handlers+0x13b
#9 0xc063691b at ithread_loop+0x6b
#10 0xc0632547 at fork_exit+0x97
#11 0xc086b2c4 at fork_trampoline+0x8
Uptime: 9d2h15m49s
Physical memory: 2515 MB
Dumping 256 MB: 241 225 209 193 177 161 145 129 113 97 81 65 49 33 17 1

#0  doadump () at pcpu.h:231
231     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) bt
#0  doadump () at pcpu.h:231
#1  0xc065e3a3 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:429
#2  0xc065e640 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:602
#3  0xc0883cc3 in trap_fatal (frame=0xc5658ba8, eva=18) at /usr/src/sys/i386/i386/trap.c:973
#4  0xc0883f40 in trap_pfault (frame=0xc5658ba8, usermode=0, eva=18) at /usr/src/sys/i386/i386/trap.c:886
#5  0xc088445a in trap (frame=0xc5658ba8) at /usr/src/sys/i386/i386/trap.c:559
#6  0xc086b24c in calltrap () at /usr/src/sys/i386/i386/exception.s:168
#7  0xc07383e7 in igmp_slowtimo () at /usr/src/sys/netinet/igmp.c:2184
#8  0xc06b4ce9 in pfslowtimo (arg=0x0) at /usr/src/sys/kern/uipc_domain.c:518
#9  0xc0671f87 in softclock (arg=0xc09814a0) at /usr/src/sys/kern/kern_timeout.c:532
#10 0xc063525b in intr_event_execute_handlers (p=0xc591c810, ie=0xc595d780) at /usr/src/sys/kern/kern_intr.c:1216
#11 0xc063691b in ithread_loop (arg=0xc58fc890) at /usr/src/sys/kern/kern_intr.c:1229
#12 0xc0632547 in fork_exit (callout=0xc06368b0 <ithread_loop>, arg=0xc58fc890, frame=0xc5658d28) at /usr/src/sys/kern/kern_fork.c:876
#13 0xc086b2c4 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:275
(kgdb) up 7
#7  0xc07383e7 in igmp_slowtimo () at /usr/src/sys/netinet/igmp.c:2184
2184            LIST_FOREACH(igi, &V_igi_head, igi_link) {
(kgdb) list
2179    {
2180            struct igmp_ifinfo *igi;
2181
2182            IGMP_LOCK();
2183
2184            LIST_FOREACH(igi, &V_igi_head, igi_link) {
2185                    igmp_v1v2_process_querier_timers(igi);
2186            }
2187
2188            IGMP_UNLOCK();
-- 
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada   http://www.tancsa.com/