Symptom:
Hydrogen servicability Feature crash in Xe 311 image

As per crash decode snippet, serviceability/event trace code got crashed
 
Traceback summary 
----------------- 
% 0x8a57439 : __be_strcmp 
% 0x1372b17 : __be_sympBuffCallingNumCompare 
% 0x89884ce : __be_avl_search 
% 0x1373a99 : __be_symp_et_search_cover_buffer_in_filt_table 
% 0x1373b99 : __be_symp_et_insert_cover_buffer_to_filt_table 
% 0x13754fc : __be_symp_upd_event_trace_instance 
% 0x10417a9 : __be_ccsip_api_call_setup_ind 
% 0xf555a4 : __be_sipSPIContinueNewMsgInvite 
% 0xf54cf8 : __be_sipSPIHandlePostPreauthInvite 
% 0xf52a20 : __be_sact_idle_new_message_invite 
% 0xf523ad : __be_act_idle_new_message 
% 0xf5127a : __be_sipSPISipIncomingMsg 
% 0xf4f821 : __be_sipSPILocateInviteDialogCCB 
% 0xf4e5b5 : __be_ccsip_new_msg_preprocessor 
% 0xf4c55a : __be_ccsip_spi_process_event 
% 0xf4bedc : __be_ccsip_process_sipspi_queue_event Call flow : srv_dbg_cat_lvl_03 TC execution.
=================================================


Topology

sipp----ASRCUBE----SIPP

Core file path :/auto/tftp-rts/ASR-CUBE_RP_0_linux_iosd-imag_16315_1382531279.core.gz

Passed image :15.4(0.19)S0.4
failed Image :15.4(0.19)S0.8

Conditions:
1.       enabled following event trace commands at common_setup section,
monitor event-trace voip ccsip fsm
    monitor event-trace voip ccsip msg
    monitor event-trace voip ccsip misc
    monitor event-trace voip ccsip api
    monitor event-trace voip ccsip global
    monitor event-trace voip ccsip limit connections 1000
    monitor event-trace voip ccsip stacktrace 8
    monitor event-trace voip ccsip history enable"
    monitor event-trace voip ccsip history clear"
    monitor event-trace voip ccsip all enable"
2. By default all feature codes and log level are enabled at particular TC setup section
3. Single audio call is established, after 4 to  5 sec. crash occurred.