SVCTIMEOUT, tmshutdown -k, And tpkill Cause Tuxedo Bulletin Board Dead Lock LIBTUX_CAT:5005 (Doc ID 2102474.1)

Last updated on MAY 03, 2017

Applies to:

Oracle Tuxedo - Version 6.5 and later
Information in this document applies to any platform.

Symptoms

When sending SIGKILL to Tuxedo processes, if Tuxedo is running critical section of shared memory(for example, changing the bulletin board tables  under lock or unlocking the bulletin board memory area),

bulletin board (also known as BB) corruption may occur and cause unexpected problem. (for example - hang with LIBTUX_CAT:5005, crash and service table corruption) 

Tuxedo is sending an operating system SIGKILL to application processes in the following situations (so it should be done carefully):

Service timeout (it reaches to the SVCTIMEOUT configured in the Tuxedo ubbconfig configuration file)

tmshutdown -k KILL

tmshutdown -w timeout  

tpkill -9

 

Changes

 

Cause

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