Hi Tapas,
Yes, this particular problem was fixed in 4.2.3,
https://github.com/xrootd/xrootd/commit/0228d04ddf5f875119f672eac6c7d60810284bea
Andy
On Wed, 23 Sep 2015, Tapas Sarangi wrote:
> Hi Andy,
>
> Yes, I meant it crashes when I said it exits. It has created core every time it crashes. I am using one of those cores.
>
> Here is the gdb output that you have asked by running `gdb cmsd core.xxxx`
>
> ```
> Missing separate debuginfo for
> Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/ff/4cbaae51a93124ed31c2b1386ce92ff24aebc3
> Reading symbols from /usr/lib64/libXrdServer.so.2.0.0...Reading symbols from /usr/lib/debug/usr/lib64/libXrdServer.so.2.0.0.debug...done.
> done.
> Loaded symbols for /usr/lib64/libXrdServer.so.2.0.0
> Reading symbols from /usr/lib64/libXrdUtils.so.2.0.0...Reading symbols from /usr/lib/debug/usr/lib64/libXrdUtils.so.2.0.0.debug...done.
> done.
> Loaded symbols for /usr/lib64/libXrdUtils.so.2.0.0
> Reading symbols from /lib64/libpthread.so.0...(no debugging symbols found)...done.
> [Thread debugging using libthread_db enabled]
> Loaded symbols for /lib64/libpthread.so.0
> Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done.
> Loaded symbols for /lib64/librt.so.1
> Reading symbols from /usr/lib64/libstdc++.so.6...(no debugging symbols found)...done.
> Loaded symbols for /usr/lib64/libstdc++.so.6
> Reading symbols from /lib64/libm.so.6...(no debugging symbols found)...done.
> Loaded symbols for /lib64/libm.so.6
> Reading symbols from /lib64/libgcc_s.so.1...(no debugging symbols found)...done.
> Loaded symbols for /lib64/libgcc_s.so.1
> Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done.
> Loaded symbols for /lib64/libc.so.6
> Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done.
> Loaded symbols for /lib64/libdl.so.2
> Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
> Loaded symbols for /lib64/ld-linux-x86-64.so.2
> Reading symbols from /lib64/libnss_files.so.2...(no debugging symbols found)...done.
> Loaded symbols for /lib64/libnss_files.so.2
> Core was generated by `/usr/bin/cmsd -l /var/log/xrootd/cmsd.log -c /etc/xrootd/xrootd.cfg -k 7 -b -s'.
> Program terminated with signal 11, Segmentation fault.
> #0 0x00000033e8c093a0 in pthread_mutex_lock () from /lib64/libpthread.so.0
> Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.149.el6_6.7.x86_64 libgcc-4.4.7-11.el6.x86_64 libstdc++-4.4.7-11.el6.x86_64
> (gdb) where
> #0 0x00000033e8c093a0 in pthread_mutex_lock () from /lib64/libpthread.so.0
> #1 0x0000000000438349 in Lock (this=0x7fcd000011a0, lp=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.hh:149
> #2 Lock (this=0x7fcd000011a0, lp=<value optimized out>) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsNode.hh:143
> #3 XrdCmsProtocol::Process (this=0x7fcd000011a0, lp=<value optimized out>) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsProtocol.cc:480
> #4 0x00007fcd0606a0c9 in XrdLink::DoIt (this=0x7fcce8002628) at /usr/src/debug/xrootd/src/Xrd/XrdLink.cc:397
> #5 0x00007fcd0606d635 in XrdScheduler::Run (this=0x648238) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:333
> #6 0x00007fcd0606d829 in XrdStartWorking (carg=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:85
> #7 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x7fccf8001220) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #8 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #9 0x00000033e88e88fd in clone () from /lib64/libc.so.6
> (gdb)
> (gdb) thread apply all bt
>
> Thread 88 (Thread 0x7fccd73f3700 (LWP 26971)):
> #0 0x00000033e8c0eb5c in recv () from /lib64/libpthread.so.0
> #1 0x00007fcd06067ee6 in recv (this=0x7fccb4001de8, Buff=0x7fcca8007c00 "", Blen=150, timeout=<value optimized out>) at /usr/include/bits/socket2.h:45
> #2 XrdLink::RecvAll (this=0x7fccb4001de8, Buff=0x7fcca8007c00 "", Blen=150, timeout=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdLink.cc:653
> #3 0x00000000004365c9 in XrdCmsProtocol::Dispatch (this=0x7fcca8001310, cDir=XrdCmsProtocol::isLateral, maxWait=-1, maxTries=2) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsProtocol.cc:925
> #4 0x0000000000438308 in XrdCmsProtocol::Process (this=0x7fcca8001310, lp=0x7fccb4001de8) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsProtocol.cc:469
> #5 0x00007fcd0606a0c9 in XrdLink::DoIt (this=0x7fccb4001de8) at /usr/src/debug/xrootd/src/Xrd/XrdLink.cc:397
> #6 0x00007fcd0606d635 in XrdScheduler::Run (this=0x648238) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:333
> #7 0x00007fcd0606d829 in XrdStartWorking (carg=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:85
> #8 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x217beb0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #9 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #10 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 87 (Thread 0x7fcd05c86700 (LWP 26905)):
> #0 0x00000033e8c0b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
> #1 0x00007fcd060307b6 in XrdSysCondVar::WaitMS (this=0x6484f0, msec=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:152
> #2 0x00007fcd060665e6 in XrdBuffManager::Reshape (this=0x6483e8) at /usr/src/debug/xrootd/src/Xrd/XrdBuffer.cc:224
> #3 0x00007fcd06066999 in XrdReshaper (pp=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdBuffer.cc:54
> #4 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x2180850) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #5 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #6 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 86 (Thread 0x7fcd05b85700 (LWP 26906)):
> #0 0x00000033e8c0b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
> #1 0x00007fcd060307b6 in XrdSysCondVar::WaitMS (this=0x648328, msec=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:152
> #2 0x00007fcd0606c51b in XrdScheduler::TimeSched (this=0x648238) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:571
> #3 0x00007fcd0606c529 in XrdStartTSched (carg=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:79
> #4 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x21809b0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #5 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #6 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 85 (Thread 0x7fcd05539700 (LWP 26911)):
> #0 0x00000033e88e8ef3 in epoll_wait () from /lib64/libc.so.6
> #1 0x00007fcd0606b655 in XrdPollE::Start (this=0x2181d80, syncsem=<value optimized out>, retcode=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdPollE.icc:232
> #2 0x00007fcd0606a908 in XrdStartPolling (parg=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdPoll.cc:106
> #3 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x2181e20) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #4 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #5 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 84 (Thread 0x7fcd05a84700 (LWP 26907)):
> #0 0x00000033e8c0ef3d in nanosleep () from /lib64/libpthread.so.0
> #1 0x00007fcd06030987 in XrdSysTimer::Wait (mills=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysTimer.cc:239
> #2 0x00000000004280ff in XrdCmsConfig::DoIt (this=0x64d2a0) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsConfig.cc:592
> #3 0x00007fcd0606d635 in XrdScheduler::Run (this=0x648238) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:333
> #4 0x00007fcd0606d829 in XrdStartWorking (carg=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:85
> #5 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x2181160) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #6 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #7 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 83 (Thread 0x7fcd057bf700 (LWP 26909)):
> #0 0x00000033e88e8ef3 in epoll_wait () from /lib64/libc.so.6
> #1 0x00007fcd0606b655 in XrdPollE::Start (this=0x2181420, syncsem=<value optimized out>, retcode=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdPollE.icc:232
> #2 0x00007fcd0606a908 in XrdStartPolling (parg=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdPoll.cc:106
> #3 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x21814c0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #4 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #5 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 82 (Thread 0x7fcd052ee700 (LWP 26913)):
> #0 0x00000033e8833857 in sigwaitinfo () from /lib64/libc.so.6
> #1 0x00007fcd06305eb1 in XrdOssAioWait (mySigarg=<value optimized out>) at /usr/src/debug/xrootd/src/XrdOss/XrdOssAio.cc:388
> #2 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x2182640) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> ....
> ....
> ....
> ... Similar messages with different objects....
> ....
> Thread 15 (Thread 0x7fcd048e4700 (LWP 26923)):
> #0 0x00000033e88df0d3 in poll () from /lib64/libc.so.6
> #1 0x00007fcd06067e96 in XrdLink::RecvAll (this=0x7fccf4001328, Buff=0x7fccf40026b0 "", Blen=8, timeout=60000) at /usr/src/debug/xrootd/src/Xrd/XrdLink.cc:637
> #2 0x0000000000436445 in XrdCmsProtocol::Dispatch (this=0x7fccf40020e0, cDir=XrdCmsProtocol::isDown, maxWait=60000, maxTries=2) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsProtocol.cc:883
> #3 0x0000000000438308 in XrdCmsProtocol::Process (this=0x7fccf40020e0, lp=0x7fccf4001328) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsProtocol.cc:469
> #4 0x00007fcd0606a0c9 in XrdLink::DoIt (this=0x7fccf4001328) at /usr/src/debug/xrootd/src/Xrd/XrdLink.cc:397
> #5 0x00007fcd0606d635 in XrdScheduler::Run (this=0x648238) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:333
> #6 0x00007fcd0606d829 in XrdStartWorking (carg=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:85
> #7 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x7fccf00008c0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #8 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #9 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 14 (Thread 0x7fcd04ae6700 (LWP 26921)):
> #0 0x00000033e8c0d930 in sem_wait () from /lib64/libpthread.so.0
> #1 0x0000000000417d64 in Wait (setSock=<value optimized out>, newSock=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.hh:345
> #2 XrdCmsAdmin::Relay (setSock=<value optimized out>, newSock=<value optimized out>) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsAdmin.cc:322
> #3 0x000000000041817d in XrdCmsAdminSend (carg=<value optimized out>) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsAdmin.cc:147
> #4 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x7fccfc0008c0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #5 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #6 0x00000033e88e88fd in clone () from /lib64/libc.so.6
> ---Type <return> to continue, or q <return> to quit---
>
> Thread 13 (Thread 0x7fcd04ce8700 (LWP 26919)):
> #0 0x00000033e8c0d930 in sem_wait () from /lib64/libpthread.so.0
> #1 0x0000000000435192 in Wait () at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.hh:345
> #2 XrdCmsPrepArgs::getRequest () at /usr/src/debug/xrootd/src/XrdCms/XrdCmsPrepArgs.cc:104
> #3 0x00000000004351e5 in XrdCmsPrepArgs::Process () at /usr/src/debug/xrootd/src/XrdCms/XrdCmsPrepArgs.cc:131
> #4 0x00000000004260d9 in XrdCmsStartPreparing (carg=<value optimized out>) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsConfig.cc:149
> #5 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x7fccf80008c0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #6 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #7 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 12 (Thread 0x7fcd050ec700 (LWP 26915)):
> #0 0x00000033e8c0ef3d in nanosleep () from /lib64/libpthread.so.0
> #1 0x00007fcd060309e7 in XrdSysTimer::Snooze (sec=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysTimer.cc:180
> #2 0x000000000041dd5e in XrdCmsCluster::MonPerf (this=0x648d40) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsCluster.cc:685
> #3 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x2182a90) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #4 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #5 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 11 (Thread 0x7fcd051ed700 (LWP 26914)):
> #0 0x00000033e8833857 in sigwaitinfo () from /lib64/libc.so.6
> #1 0x00007fcd06305eb1 in XrdOssAioWait (mySigarg=<value optimized out>) at /usr/src/debug/xrootd/src/XrdOss/XrdOssAio.cc:388
> #2 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x21827a0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #3 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #4 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 10 (Thread 0x7fcd049e5700 (LWP 26922)):
> #0 0x00000033e8c0d930 in sem_wait () from /lib64/libpthread.so.0
> #1 0x0000000000439a48 in Wait (this=0x66a740) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.hh:345
> #2 XrdCmsState::Monitor (this=0x66a740) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsState.cc:118
> #3 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x7fccf8000b80) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #4 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #5 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 9 (Thread 0x7fcd05438700 (LWP 26912)):
> #0 0x00000033e8c0ef3d in nanosleep () from /lib64/libpthread.so.0
> #1 0x00007fcd060309e7 in XrdSysTimer::Snooze (sec=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysTimer.cc:180
> #2 0x000000000041a7ab in XrdCmsCache::TickTock (this=0x648780) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsCache.cc:415
> #3 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x2182220) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #4 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #5 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 8 (Thread 0x7fcd04be7700 (LWP 26920)):
> #0 0x00000033e88eac2f in accept4 () from /lib64/libc.so.6
> #1 0x00007fcd06055c59 in XrdSysFD_Accept (this=0x21821b0, timeout=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysFD.hh:50
> #2 XrdNetSocket::Accept (this=0x21821b0, timeout=<value optimized out>) at /usr/src/debug/xrootd/src/XrdNet/XrdNetSocket.cc:117
> #3 0x000000000041785d in XrdCmsAdmin::Start (this=<value optimized out>, AdminSock=0x21821b0) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsAdmin.cc:381
> #4 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x7fccf8000a20) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #5 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #6 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 7 (Thread 0x7fcd0567c700 (LWP 26910)):
> #0 0x00000033e88e8ef3 in epoll_wait () from /lib64/libc.so.6
> #1 0x00007fcd0606b655 in XrdPollE::Start (this=0x2181b80, syncsem=<value optimized out>, retcode=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdPollE.icc:232
> #2 0x00007fcd0606a908 in XrdStartPolling (parg=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdPoll.cc:106
> #3 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x2181c20) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #4 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #5 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 6 (Thread 0x7fcd05983700 (LWP 26908)):
> #0 0x00000033e88df0d3 in poll () from /lib64/libc.so.6
> #1 0x00007fcd06067e96 in XrdLink::RecvAll (this=0x7fccf0001de8, Buff=0x7fccf0002750 "", Blen=8, timeout=60000) at /usr/src/debug/xrootd/src/Xrd/XrdLink.cc:637
> ---Type <return> to continue, or q <return> to quit---
> #2 0x0000000000436445 in XrdCmsProtocol::Dispatch (this=0x7fccf00020e0, cDir=XrdCmsProtocol::isDown, maxWait=60000, maxTries=2) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsProtocol.cc:883
> #3 0x0000000000438308 in XrdCmsProtocol::Process (this=0x7fccf00020e0, lp=0x7fccf0001de8) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsProtocol.cc:469
> #4 0x00007fcd0606a0c9 in XrdLink::DoIt (this=0x7fccf0001de8) at /usr/src/debug/xrootd/src/Xrd/XrdLink.cc:397
> #5 0x00007fcd0606d635 in XrdScheduler::Run (this=0x648238) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:333
> #6 0x00007fcd0606d829 in XrdStartWorking (carg=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:85
> #7 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x21812c0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #8 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #9 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 5 (Thread 0x7fcd05f95700 (LWP 26904)):
> #0 0x00000033e9803f94 in clock_nanosleep () from /lib64/librt.so.1
> #1 0x00007fcd06030e49 in XrdSysTimer::Wait4Midnight () at /usr/src/debug/xrootd/src/XrdSys/XrdSysTimer.cc:259
> #2 0x00007fcd06037f6c in XrdSysLogger::zHandler (this=0x648178) at /usr/src/debug/xrootd/src/XrdSys/XrdSysLogger.cc:652
> #3 0x00007fcd06038269 in XrdSysLoggerRT (carg=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysLogger.cc:85
> #4 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x2188500) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #5 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #6 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 4 (Thread 0x7fcd04de9700 (LWP 26918)):
> #0 0x00000033e8c0d930 in sem_wait () from /lib64/libpthread.so.0
> #1 0x0000000000439506 in Wait (this=0x64e320) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.hh:345
> #2 XrdCmsRRQ::TimeOut (this=0x64e320) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsRRQ.cc:409
> #3 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x2182eb0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #4 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #5 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 3 (Thread 0x7fcd06004720 (LWP 26903)):
> #0 0x00000033e8c0d930 in sem_wait () from /lib64/libpthread.so.0
> #1 0x0000000000416cb3 in Wait (parg=0x7fffd77262f0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.hh:345
> #2 mainAccept (parg=0x7fffd77262f0) at /usr/src/debug/xrootd/src/Xrd/XrdMain.cc:130
> #3 0x0000000000416f69 in main (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdMain.cc:211
>
> Thread 2 (Thread 0x7fcd04feb700 (LWP 26916)):
> #0 0x00000033e8c0ef3d in nanosleep () from /lib64/libpthread.so.0
> #1 0x00007fcd060309e7 in XrdSysTimer::Snooze (sec=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysTimer.cc:180
> #2 0x000000000041ce17 in XrdCmsCluster::MonRefs (this=0x648d40) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsCluster.cc:712
> #3 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x2182bf0) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #4 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #5 0x00000033e88e88fd in clone () from /lib64/libc.so.6
>
> Thread 1 (Thread 0x7fccd45c5700 (LWP 27063)):
> #0 0x00000033e8c093a0 in pthread_mutex_lock () from /lib64/libpthread.so.0
> #1 0x0000000000438349 in Lock (this=0x7fcd000011a0, lp=<value optimized out>) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.hh:149
> #2 Lock (this=0x7fcd000011a0, lp=<value optimized out>) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsNode.hh:143
> #3 XrdCmsProtocol::Process (this=0x7fcd000011a0, lp=<value optimized out>) at /usr/src/debug/xrootd/src/XrdCms/XrdCmsProtocol.cc:480
> #4 0x00007fcd0606a0c9 in XrdLink::DoIt (this=0x7fcce8002628) at /usr/src/debug/xrootd/src/Xrd/XrdLink.cc:397
> #5 0x00007fcd0606d635 in XrdScheduler::Run (this=0x648238) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:333
> #6 0x00007fcd0606d829 in XrdStartWorking (carg=<value optimized out>) at /usr/src/debug/xrootd/src/Xrd/XrdScheduler.cc:85
> #7 0x00007fcd060308ef in XrdSysThread_Xeq (myargs=0x7fccf8001220) at /usr/src/debug/xrootd/src/XrdSys/XrdSysPthread.cc:86
> #8 0x00000033e8c079d1 in start_thread () from /lib64/libpthread.so.0
> #9 0x00000033e88e88fd in clone () from /lib64/libc.so.6
> ```
>
>
> ---
> Reply to this email directly or view it on GitHub:
> https://github.com/xrootd/xrootd/issues/291#issuecomment-142686240
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