Preview Tool

Cisco Bug: CSCvh95735 - Memory leaks when remote peers do not reply to Option Ping, leading to core

Last Modified

May 30, 2018

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

CCM  crash with 4G core dump in size

Program terminated with signal 6, Aborted.
#0  0xf7788430 in __kernel_vsyscall ()

 backtrace - CUCM
 #0  0xf7788430 in __kernel_vsyscall ()
#1  0xf6953871 in raise () from /lib/
#2  0xf695514a in abort () from /lib/
#3  0xf6b75ed3 in __gnu_cxx::__verbose_terminate_handler() () from /usr/local/cm/lib/
#4  0xf6b73e46 in __cxxabiv1::__terminate(void (*)()) () from /usr/local/cm/lib/
#5  0xf6b73e83 in std::terminate() () from /usr/local/cm/lib/
#6  0xf6b73fcb in __cxa_throw () from /usr/local/cm/lib/
#7  0xf6b74557 in operator new(unsigned int) () from /usr/local/cm/lib/
#8  0xf6b7463e in operator new[](unsigned int) () from /usr/local/cm/lib/


In core file, we see  292220 instances of  a particular SIP TRUNK endpoint
From traces, we found that this endpoint does not respond to OPTION ping.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.