(gdb) thread apply all bt

Thread 18 (Thread 1084229952 (LWP 18176)):
#0  0x0000003d3d40db98 in do_sigwait () from /lib64/libpthread.so.0
#1  0x0000003d3d40dc3d in sigwait () from /lib64/libpthread.so.0
#2  0x00002aaaac68cfbc in ?? ()
#3  0x0000000040a01000 in ?? ()
#4  0x0000000000000000 in ?? ()

Thread 17 (Thread 1094719808 (LWP 18177)):
#0  0x0000003d3d40a687 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000000060a244 in IceUtil::Cond::timedWaitImpl<IceUtil::Mutex> (this=0xa93cf10, mutex=@0xa93cf40, timeout=@0xa93cf78)
    at ../../include/IceUtil/Cond.h:224
#2  0x000000000060a334 in IceUtil::Monitor<IceUtil::Mutex>::timedWait (this=0xa93cf10, timeout=@0xa93cf78) at ../../include/IceUtil/Monitor.h:180
#3  0x00002aaaac2d4753 in ?? ()
#4  0x00002aaaaaf84d80 in ?? ()
#5  0x01002aaaac665d30 in ?? ()
#6  0x0000000100000001 in ?? ()
#7  0x0000000100000268 in ?? ()
#8  0x0000000100000000 in ?? ()
#9  0x000000000a93ced0 in ?? ()
#10 0x0000000041400ff0 in ?? ()
#11 0x0000000041400fa0 in ?? ()
#12 0x00000000769a32e5 in ?? ()
#13 0x0000000041400fb8 in ?? ()
#14 0x0000000000000000 in ?? ()

Thread 16 (Thread 1105209664 (LWP 18178)):
#0  0x0000003d3d40a687 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000000060a244 in IceUtil::Cond::timedWaitImpl<IceUtil::Mutex> (this=0xa93ec90, mutex=@0xa93ecc0, timeout=@0xa93ecf0)
    at ../../include/IceUtil/Cond.h:224
#2  0x000000000060a334 in IceUtil::Monitor<IceUtil::Mutex>::timedWait (this=0xa93ec90, timeout=@0xa93ecf0) at ../../include/IceUtil/Monitor.h:180
#3  0x0000000000608761 in IceGrid::ReapThread::run (this=0xa93ec50) at ReapThread.cpp:47
#4  0x00002aaaac6a70ff in ?? ()
#5  0x0000000000000000 in ?? ()

Thread 15 (Thread 1126189376 (LWP 18180)):
#0  0x0000003d3d40a496 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000000057e5b5 in IceUtil::Cond::waitImpl<IceUtil::Mutex> (this=0xa93fc30, mutex=@0xa93fc60) at ../../include/IceUtil/Cond.h:203
#2  0x000000000057e65c in IceUtil::Monitor<IceUtil::Mutex>::wait (this=0xa93fc30) at ../../include/IceUtil/Monitor.h:152
#3  0x00002aaaaaffd5b1 in ?? ()
#4  0x0000000000000000 in ?? ()

Thread 14 (Thread 1136679232 (LWP 18181)):
#0  0x0000003d3d40a496 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000000057e5b5 in IceUtil::Cond::waitImpl<IceUtil::Mutex> (this=0xa93ff90, mutex=@0xa93ffc0) at ../../include/IceUtil/Cond.h:203
#2  0x000000000057e65c in IceUtil::Monitor<IceUtil::Mutex>::wait (this=0xa93ff90) at ../../include/IceUtil/Monitor.h:152
#3  0x00002aaaab004835 in ?? ()
#4  0x000000000a940010 in ?? ()
#5  0x000000000a940010 in ?? ()
#6  0x0000000143c05080 in ?? ()
#7  0x000000000a93ff50 in ?? ()
#8  0x000000000a93ff90 in ?? ()
#9  0x00000000004e3c01 in IceUtil::Shared::__decRef (this=0x0) at ../../include/IceUtil/Shared.h:226
#10 0x00002aaaac6a70ff in ?? ()
#11 0x0000000000000000 in ?? ()

Thread 13 (Thread 1147169088 (LWP 18182)):
#0  0x0000003d3d40a496 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000000057e5b5 in IceUtil::Cond::waitImpl<IceUtil::Mutex> (this=0xa93fe20, mutex=@0xa93fe50) at ../../include/IceUtil/Cond.h:203