system reboot yielding no coredump

[Volodymyr Kostyrko]

Hi all.

Has anyone else seen this:

Feb  9 14:41:33 beeb kernel: interrupt                   total
Feb  9 14:41:33 beeb kernel: irq18: ehci0 uhci5+                  325
Feb  9 14:41:33 beeb kernel: irq19: uhci2 uhci4                  5180
Feb  9 14:41:33 beeb kernel: irq23: uhci3 ehci1                 78296
Feb  9 14:41:33 beeb kernel: cpu0:timer                      87480961
Feb  9 14:41:33 beeb kernel: irq256: igb0:que 0               4233015
Feb  9 14:41:33 beeb kernel: irq257: igb0:que 1               3164805
Feb  9 14:41:33 beeb kernel: irq258: igb0:que 2               3230196
Feb  9 14:41:33 beeb kernel: irq259: igb0:que 3               3149873
Feb  9 14:41:33 beeb kernel: irq260: igb0:que 4               3120911
Feb  9 14:41:33 beeb kernel: irq261: igb0:que 5               3207821
Feb  9 14:41:33 beeb kernel: irq262: igb0:que 6               3135338
Feb  9 14:41:33 beeb kernel: irq263: igb0:que 7               3237378
Feb  9 14:41:33 beeb kernel: irq264: igb0:link                      2
Feb  9 14:41:33 beeb kernel: irq274: mpt0                    34436250
Feb  9 14:41:33 beeb kernel: cpu1:timer                       8585682
Feb  9 14:41:33 beeb kernel: cpu12:timer                     10785198
Feb  9 14:41:33 beeb kernel: cpu6:timer                       6794891
Feb  9 14:41:33 beeb kernel: cpu13:timer                      6626277
Feb  9 14:41:33 beeb kernel: cpu7:timer                      13703957
Feb  9 14:41:33 beeb kernel: cpu11:timer                      8628910
Feb  9 14:41:33 beeb kernel: cpu5:timer                       7938263
Feb  9 14:41:33 beeb kernel: cpu14:timer                      6264729
Feb  9 14:41:33 beeb kernel: cpu4:timer                      14017666
Feb  9 14:41:33 beeb kernel: cpu10:timer                     18995834
Feb  9 14:41:33 beeb kernel: cpu9:timer                       9905748
Feb  9 14:41:33 beeb kernel: cpu2:timer                      23572337
Feb  9 14:41:33 beeb kernel: cpu8:timer                      29507301
Feb  9 14:41:33 beeb kernel: cpu3:timer                       9653985
Feb  9 14:41:33 beeb kernel: cpu15:timer                      5084039
Feb  9 14:41:33 beeb kernel: Total                   328545171
Feb  9 14:41:33 beeb kernel: KDB: stack backtrace:
Feb  9 14:41:33 beeb kernel: #0 0xffffffff8038d458 at kdb_backtrace+0x58
Feb  9 14:41:33 beeb kernel: #1 0xffffffff80315b4b at watchdog_fire+0x8b
Feb  9 14:41:33 beeb kernel: #2 0xffffffff80315e10 at hardclock_anycpu+0x2a0
Feb  9 14:41:33 beeb kernel: #3 0xffffffff80583278 at handleevents+0xd8
Feb  9 14:41:33 beeb kernel: #4 0xffffffff80583e36 at timercb+0x2d6
Feb  9 14:41:33 beeb kernel: #5 0xffffffff805aec46 at 
lapic_handle_timer+0xb6
Feb  9 14:41:33 beeb kernel: #6 0xffffffff80557f2c at Xtimerint+0x8c
Feb  9 14:41:33 beeb kernel: #7 0xffffffff80dc8e53 at kcs_wait_for_obf+0x83
Feb  9 14:41:33 beeb kernel: #8 0xffffffff80dc935d at kcs_read_byte+0x2d
Feb  9 14:41:33 beeb kernel: #9 0xffffffff80dc91ce at kcs_loop+0x34e
Feb  9 14:41:33 beeb kernel: #10 0xffffffff80331d36 at fork_exit+0x76
Feb  9 14:41:33 beeb kernel: #11 0xffffffff8055790e at fork_trampoline+0xe

I can't get a full dump for some reason unknown. This happens on RELENG_9_0.

Feb  9 14:46:56 beeb kernel: CPU: Intel(R) Xeon(R) CPU           E5620 
@ 2.40GHz (2394.05-MHz K8-class CPU)
Feb  9 14:46:56 beeb kernel: Origin = "GenuineIntel"  Id = 0x206c2 
Family = 6  Model = 2c  Stepping = 2
Feb  9 14:46:56 beeb kernel: 
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH
,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Feb  9 14:46:56 beeb kernel: 
Features2=0x29ee3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,DCA,
SSE4.1,SSE4.2,POPCNT,AESNI>
Feb  9 14:46:56 beeb kernel: AMD 
Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
Feb  9 14:46:56 beeb kernel: AMD Features2=0x1<LAHF>
Feb  9 14:46:56 beeb kernel: TSC: P-state invariant, performance statistics

What can I do in such case? How can I create a goot dump to inspect it?

-- 
Sphinx of black quartz judge my vow.