Cisco Cisco ASR 5700 Guida Alla Risoluzione Dei Problemi
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Question
Why does a crash that appears to be the same as already seen crashes get listed separately in
the crash list?
the crash list?
Answer
Analyzing the following two sessmgr process crashes, one might conclude they are the same and
wonder why the system has listed them separately in the crash list. On close observation, note
that there is a slight difference in
wonder why the system has listed them separately in the crash list. On close observation, note
that there is a slight difference in
the address
in the left most column of the show crash number
X output, which is the point in the code where the function on that same line calls the function
listed above i
listed above i
t (
snx_hsgwdrv_send_add_sub_session()
in this example).
******** show crash list *******
Friday October 03 18:25:28 UTC 2014
== ==== ======= ========== =========== ================
# Time Process Card/CPU/ SW HW_SER_NUM
PID VERSION SMC / Crash Card
== ==== ======= ========== =========== ================
1 2013-Nov-30+05:08:15 sessmgr 07/0/04317 14.1(50455) SAD160200KX/PLB31103947
2 2014-Jun-06+16:45:44 sessmgr 05/0/06002 15.0(53417) SAD160200KX/PLB37108248
3 2014-Oct-02+08:08:03 sessmgr 15/0/06059 16.1(55894) SAD160200KX/PLB42100206
4 2014-Oct-03+03:02:00 sessmgr 02/0/05979 16.1(55894) SAD160200KX/PLB38108892
Total Crashes : 12
********************* CRASH #03 *********************** SW Version : 16.1(55894) Similar Crash
Count : 1 Time of First Crash : 2014-Oct-02+08:08:03 Fatal Signal 11: Segmentation fault PC:
[0534bf6d/X] sessmgr_imsa_update_ip_addr() Faulty address: (nil) Signal from: kernel Signal
detail: address not mapped to object Process: card=15 cpu=0 arch=X pid=6059 cpu=~0%
argv0=sessmgr Crash time: 2014-Oct-02+08:08:03 UTC Recent errno: 11 Resource temporarily
unavailable Stack (64280@0xfffee000): [0534bf6d/X] sessmgr_imsa_update_ip_addr() sp=0xfffee7d8
[0365f41d/X] sessmgr_mag_handle_add_sub_session() sp=0xfffee928 [036f3a66/X]
smgr_fsm_state_connected() sp=0xffffaff8 [03681397/X] smgr_callline_fsm() sp=0xffffb098
[05d8089b/X] sessmgr_app_svr_event_control_dispatch() sp=0xffffb628 [0461986b/X]
snx_hsgwdrv_send_add_sub_session()
sp=0xffffbba8
[0461dfa6/X] snx_hsgwdrv_fsm() sp=0xffffbd68
[04621cba/X] snx_hsgwdrv_event_control_dispatch() sp=0xffffbdf8
[046032b6/X] snx_pppdrv_notify_vsncp_up() sp=0xffffbe28
[046036ac/X] snx_pppdrv_fsm_state_connected() sp=0xffffbe68
[0460446a/X] snx_pppdrv_fsm() sp=0xffffbfe8
[04608e0a/X] mlppp_event_indication() sp=0xffffc328
[0514d1ae/X] VSNCPNotify() sp=0xffffc388
[0515e88d/X] NCPRunStateActions() sp=0xffffc3e8
[0515ae53/X] ProcessConfigData() sp=0xffffc488
[0515b9ec/X] ProcessNCP() sp=0xffffc4b8
[05144931/X] MLPSwitch() sp=0xffffc558
[05167c5c/X] PPPSwitch() sp=0xffffc768
[05e47033/X] DoSomethingWithData.isra.149() sp=0xffffcc78