BBL And Application Servers Sometimes Stop 10s If Enable SVCTIMEOUT (Doc ID 1970156.1)

Last updated on DECEMBER 05, 2016

Applies to:

Oracle Tuxedo - Version 10.3.0 and later
Information in this document applies to any platform.

Symptoms

 BBL process and Application Servers sometimes stop process request 10s if enable SVCTIMEOUT. From BBL truss we can find bbl do sleep with below stack:

 

11:24:44 [26459]{2289467} <0.000008> semop(68894747, 0x60000000000afc58, 1) .................................. = 0
sem[0].sem_num: 0
sem[0].sem_op: -1
sem[0].sem_flg: SEM_UNDO

11:24:46 [26459]{2289467} nanosleep2(0x9fffffffffffd1a0, 0x9fffffffffffd1b0) ................................. [sleeping]
rqtp.tv_sec: 10
rqtp.tv_nsec: 0
11:24:54 [26459]{2289467} <0.000041> nanosleep2(0x9fffffffffffd1a0, 0x9fffffffffffd1b0) ...................... = 0
rqtp.tv_sec: 10
rqtp.tv_nsec: 0
rmtp.tv_sec: 0
rmtp.tv_nsec: 0

11:24:54 [26459]{2289467} <0.000016> semop(68894747, 0x60000000000afc58, 1) .................................. = 0
sem[0].sem_num: 0
sem[0].sem_op: 1
sem[0].sem_flg: SEM_UNDO

 

 

0: c000000000653f70 : _nanosleep2_sys() + 0x30 (/usr/lib/hpux64/libc.so.1)
1: c000000000664010 : __nanosleep2() + 0xd0 (/usr/lib/hpux64/libc.so.1)
2: c00000000050c170 : short() + 0x3f0 (/usr/lib/hpux64/libc.so.1)
3: c00000001af07de0 : _e_sig_sleep() at gpsignal.c:299
4: c00000001d3a0830 : _tmchk_bbowner_hlpr() at bbmon.c:116
5: c00000001d3a0640 : _tmchk_bbowner() at bbmon.c:51
6: 40000000000141b0 : _tmchk_bbsanity() at tmbblrpc.c:7014
7: 4000000000011e80 : _tmbbclean() at BBL.c:1140
8: 400000000001b130 : char() at BBL.c:2125
9: 4000000000079810 : _tmrunserver() at BBL.c:473
10: c00000001d1eb470 : _tmstartserver() at tmstrtsrvr.c:166
11: 40000000000109c0 : unsigned long() at BS-40dc.c:85
12: c00000000006fab0 : unsigned long() + 0x50 (/usr/lib/hpux64/dld.so)

 

Cause

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