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Cisco Bug: CSCuo98129 - CP7861/7841/7821 phone reset due to media server crash

Last Modified

Feb 27, 2020

Products (33)

  • Cisco IP Phone 7800 Series
  • Cisco IP Phone 8851
  • Cisco IP Phone 7841
  • Cisco Unified IP Phone 7971G-GE
  • Cisco Unified IP Phone 7962G
  • Cisco Unified IP Phone 7945G
  • Cisco Unified IP Phone 9951
  • Cisco Unified IP Phone 7961G-GE
  • Cisco IP Phone 7821
  • Cisco Unified IP Phone 6941
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Known Affected Releases

10.1(1) 10.1(1)SR1 10.1(1)SR2 10.2(1)

Description (partial)

Symptom:
Phone will be on a call, then call will drop and phone will reset.  One way audio and phone freezing have been observed as well before the phone resets.

Conditions:
CM 9.1.2.10000-28
Firmware: 78XX_10-1-1 has been seen in ES releases also.  
Codec: G729 
Trigger:  appears to be when the phone recieves re-invite 1 ms after sending an ACK


From the phone console log:
6520 ERR 14:01:05.283891 JAVA: libms: f_clientReadServerResponse - (null):doorCall: EPIPE- ms server socket has shut down /tmp/MS
6521 ERR 14:01:05.284055 JAVA: libms: doorCallFunc - LibMS-
6522 NOT 14:01:05.284175 JAVA: libms: _door_dump - doorCall —
6523 NOT 14:01:05.284330 JAVA: libms: _door_dump - IPC message hdr:
6524 NOT 14:01:05.284455 JAVA: libms: _door_dump - mtype: 16, len: 32, retv: -3, err_no: 0
6525 NOT 14:01:05.285300 JAVA: libms: _door_dump - IPC message data:
6526 NOT 14:01:05.285496 JAVA: libms: dump_ul3 - 71, 7, 6
6527 NOT 14:01:05.285619 JAVA: libms: fhandler_selecttimeout - selectTimeOut cleanup...
6528 NOT 14:01:05.285752 JAVA: libms: fhandler_selecttimeout - selectTimeOut- send an callback event SERVER_TIMEOUT
6529 ERR 14:01:05.285870 JAVA: libms: fhandler_selecttimeout - calling the callback function [type=3]
6530 DEB 14:01:05.285984 JAVA: SIPCC-MSP: media_server_callback_handler: entry
6531 ERR 14:01:05.286096 JAVA: |---------------------------------------------------------|
6532 ERR 14:01:05.286209 JAVA: --*** MS restarted. we need to restart CVM ***--
6533 ERR 14:01:05.286322 JAVA: --*** At some point INIT scripts will handle this ***--
6534 ERR 14:01:05.286434 JAVA: --*** For now, restart the CVM manually ***--
6535 ERR 14:01:05.286546 JAVA: |---------------------------------------------------------|
6536 NOT 14:01:05.287120 restart_mgr-connection 15 from ms closed
6537 NOT 14:01:05.287279 restart_mgr-processing kill-list for ms
6538 NOT 14:01:05.287392 restart_mgr-killing java
6539 NOT 14:01:05.326722 syslog-Stopping java: complete


Can verify by enabling the following debugs:
>debug vcm gsm lsm sip-m fsm fim
>settmask -p ms -t 0xFFFFF -b LOG_DEBUG
>sdump
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