You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@trafodion.apache.org by "Alice Chen (JIRA)" <ji...@apache.org> on 2015/07/22 20:17:34 UTC

[jira] [Created] (TRAFODION-618) LP Bug: 1368891 - when RMS is enabled, mxssmp loops and hangs all sql processes on node

Alice Chen created TRAFODION-618:
------------------------------------

             Summary: LP Bug: 1368891 - when RMS is enabled, mxssmp loops and hangs all sql processes on node
                 Key: TRAFODION-618
                 URL: https://issues.apache.org/jira/browse/TRAFODION-618
             Project: Apache Trafodion
          Issue Type: Bug
          Components: sql-exe
            Reporter: Apache Trafodion
            Assignee: Apache Trafodion
             Fix For: 0.9 (pre-incubation)


Stack trace from mxssmp:
#0  StatsGlobals::checkForDeadProcesses (this=0x10000000, myPid=8096) at ../runtimestats/SqlStats.cpp:354
#1  0x000000000043cdf2 in SsmpGlobals::work (this=0x7fffe9d92680) at ../runtimestats/ssmpipc.cpp:582
#2  0x000000000042e51e in runServer (argc=1, argv=0x7fffffffc208) at ../bin/ex_ssmp_main.cpp:292
#3  0x000000000042dea8 in main (argc=1, argv=0x7fffffffc208) at ../bin/ex_ssmp_main.cpp:119


The mxosrvrs will be waiting of the Shared Segment semaphore:
(gdb) bt
#0  0x00007ffff4d50811 in sem_timedwait ()
   from /opt/home/mhanlon/mxssmp_hang/target/lib64/libpthread.so.0
#1  0x00007ffff38fdc66 in StatsGlobals::getStatsSemaphore (this=0x10000000,
    semId=@0xf3c520: 140737026711552, pid=30446,
    savedPriority=<optimized out>, savedStopMode=<optimized out>,
    shouldTimeout=<optimized out>) at ../runtimestats/SqlStats.cpp:519
#2  0x00007ffff4b06743 in CliGlobals::init (this=0xf3b9e0,
    espProcess=<optimized out>, statsGlobals=<optimized out>)
    at ../cli/Globals.cpp:310
#3  0x00007ffff4b07498 in CliGlobals::CliGlobals (this=0xf3b9e0,
    firstSegId=<optimized out>, firstSegStart=<optimized out>,
    firstSegOffset=<optimized out>, firstSegLen=<optimized out>,
    firstSegMaxLen=<optimized out>, espProcess=0, statsGlobals=0x0)
    at ../cli/Globals.cpp:119
#4  0x00007ffff4b075c3 in CliGlobals::createCliGlobals (espProcess=0)
    at ../cli/Globals.cpp:588
#5  0x00007ffff4b2115c in CliNonPrivPrologue () at ../cli/CliExtern.cpp:912
#6  0x00007ffff4b27aa5 in SQL_EXEC_ClearDiagnostics (statement_id=0x0)
    at ../cli/CliExtern.cpp:1339
Assigned to LaunchPad User Mike Hanlon



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)