Cisco Bug: CSCum00643 - CCSIP cause crash when call is established
May 09, 2020
- Cisco 3900 Series Integrated Services Routers
Known Affected Releases
Symptom: Router experience several crashes during the day. UTC: %SIP-3-INTERNAL: Corrupted scb 000160: Dec 7 16:30:31.931 UTC: %SYS-2-INTSCHED: 'suspend' at level 0 , all interrupts disabled -Process= "CCSIP_SPI_CONTROL", ipl= 0, pid= 426 Crash was observed while tryig to free the memory allocated for handling the authentication. showing it as 0X0D0D0D. So crashing while trying to free this memory. Conditions: Here crash was seen during the month end when gw was on heavly load. In crasing case first invite was being sent to which got challenged, then later REFER was being sent, but no response seen, after 7 retattempts REFER is being challenged, but menawhile on other leg already call is seen in disconnecting state and memory realted to authen being freed so while trying to process REFER challenge crash observed.
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Bug Details Include
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