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Cisco Bug: CSCtb73945 - sonet_aps_agent thread 3 is mutex blocked on itself thread 1

Last Modified

Jan 16, 2017

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

3.4.1.BASE

Description (partial)

Symptom:
thread 3 of sonet_aps_agent is blocked on thread 1 of itself due to mutex lock. This is dead lock situation:

RP/0/RP1/CPU0:NYCSD-CORE01p#sh processes blocked location 0/0/CPU0
  Jid       Pid Tid                 Name State  Blocked-on
   54      8202   1                  ksh Reply    8199  devc-ser8250
   51     20502   2              attachd Reply   20500  eth_server
   51     20502   3              attachd Reply    8204  mqueue
   72     20503   6                 qnet Reply   20500  eth_server
   72     20503   7                 qnet Reply   20500  eth_server
   72     20503   8                 qnet Reply   20500  eth_server
   72     20503   9                 qnet Reply   20500  eth_server
   52     20507   1              ksh-aux Reply    8199  devc-ser8250
   50     20508   2        attach_server Reply    8204  mqueue
  218     24610   1      reddrv_listener Reply   20500  eth_server
  223     90243   3      sonet_aps_agent Mutex   90243-07 #1   <==============
  223     90243   7      sonet_aps_agent  Send   90252  spa_oc3_oc12
  232     90252   9         spa_oc3_oc12 Reply   90243  sonet_aps_agent

Conditions:
CRS-1
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