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Cisco Bug: CSCsy83611 - MPE Restart due to software module 8 failure

Last Modified

Jan 30, 2017

Products (1)

  • Cisco Unified MeetingPlace Express

Known Affected Releases

2.1(1.2)

Description (partial)

Symptom:

MPE 2.1 restarts with no core files, but with some or all of the following error messages:

02/19 09:44:17.97 WARN 0x0      0/8, "vuicprompt.cc", 307 (0xfffffff6,0xa46, 0x74, 0x2)
02/19 09:47:32.60 INFO 0x70047  0/2, "sioutdial.cc", 247 (0, 0, 0, 0)
      Alarm outdial initiated by System Integrity Manager
02/19 09:49:26.36 WARN 0x70024  0/2, "sipoll.cc", 167 (0x8, 0, 0,0xdeadbeef)
      Module timed out on 'are you there' query, class=8
02/19 09:49:26.36 WARN 0x0      0/2, "sipoll.cc", 174 (0x8, 0xa67, 0x3,0)
02/19 09:49:29.38 MAJ  0x70041  0/2, "siupdown.cc", 265 (0x8, 0, 0, 0)
      Restarting due to software module failure, module = 8
02/19 09:49:29.45 INFO 0x70021  0/2, "siserver.cc", 909 (0x11, 0, 0, 0)
      Software module exited, module #17, exit code 0


Conditions:

MPE is authenticating to CUCM.

The caller enters the profile password. MPE sends a request to CUCM to authenticate the user. 

However, due to some network glitches, no response is received from CUCM.  The callers then holds for a while; then, hangs up & calls back again. 

The thread created by VUI - module 8, waiting for the authentication response from CUCM, does not time out. 

It gets stuck, and then if the user calls in more times which ties up more ports, creating more threads, these threads wait for the first thread to complete. 

Now, SIM (System Integrity Manager) sends an "Are you there?" query to VUI; but does not receive a response - presumably because VUI is spinning waiting for the authentication response. 

So, SIM restarts the system to get things back into a good state again.
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