Core was generated by `./testthreads'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /home/ewyles/log4cxx/log4cxx-0.9.8/build/debug/shared/liblo
Loaded symbols for /home/ewyles/log4cxx/lib/liblog4cxx.so
Reading symbols from /lib/tls/libpthread.so.0...done.
Loaded symbols for /lib/tls/libpthread.so.0
Reading symbols from /usr/lib/libstdc++.so.5...done.
Loaded symbols for /usr/lib/libstdc++.so.5
Reading symbols from /lib/tls/libm.so.6...done.
Loaded symbols for /lib/tls/libm.so.6
Reading symbols from /lib/libgcc_s.so.1...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /lib/tls/libc.so.6...done.
Loaded symbols for /lib/tls/libc.so.6
Reading symbols from /usr/lib/libexpat.so.0...done.
Loaded symbols for /usr/lib/libexpat.so.0
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
#0  0x0018b801 in std::basic_string<char, std::char_traits<char>, std::allocator
(gdb) bt
#0  0x0018b801 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string () from /usr/lib/libstdc++.so.5
#1  0x00bf242c in log4cxx::Logger::getName (this=0x0) at logger.h:261
#2  0x00c72528 in log4cxx::Hierarchy::updateParents (this=0x8ab7fe0, logger=@0x80c5178) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:289
#3  0x00c71c73 in log4cxx::Hierarchy::getLogger (this=0x8ab7fe0, name=@0x9fde89b0, factory=@0x8ab7fe4)
    at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:190
#4  0x00c71a15 in log4cxx::Hierarchy::getLogger (this=0x8ab7fe0, name=@0x9fde89b0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:157
#5  0x00be08ca in log4cxx::LogManager::getLogger (name=@0x9fde89b0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logmanager.cpp:99
#6  0x00c6ef71 in log4cxx::Logger::getLogger (name=0x809b1f4 "log4cxx.LoggerTest.meth_11") at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:542
#7  0x080518f4 in LoggerThread::meth_11 () at loggerthread.cpp:118
#8  0x0804f750 in LoggerThread::runStatic (thread=0x0) at loggerthread.cpp:8042
#9  0x00e4cdec in start_thread () from /lib/tls/libpthread.so.0
#10 0x0036ba2a in clone () from /lib/tls/libc.so.6
(gdb)
#0  0x0018b801 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string () from /usr/lib/libstdc++.so.5
#1  0x00bf242c in log4cxx::Logger::getName (this=0x0) at logger.h:261
#2  0x00c72528 in log4cxx::Hierarchy::updateParents (this=0x8ab7fe0, logger=@0x80c5178) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:289
#3  0x00c71c73 in log4cxx::Hierarchy::getLogger (this=0x8ab7fe0, name=@0x9fde89b0, factory=@0x8ab7fe4)
    at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:190
#4  0x00c71a15 in log4cxx::Hierarchy::getLogger (this=0x8ab7fe0, name=@0x9fde89b0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:157
#5  0x00be08ca in log4cxx::LogManager::getLogger (name=@0x9fde89b0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logmanager.cpp:99
#6  0x00c6ef71 in log4cxx::Logger::getLogger (name=0x809b1f4 "log4cxx.LoggerTest.meth_11") at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:542
#7  0x080518f4 in LoggerThread::meth_11 () at loggerthread.cpp:118
#8  0x0804f750 in LoggerThread::runStatic (thread=0x0) at loggerthread.cpp:8042
#9  0x00e4cdec in start_thread () from /lib/tls/libpthread.so.0
#10 0x0036ba2a in clone () from /lib/tls/libc.so.6
(gdb) thread apply all backtrace

Thread 6 (process 7227):
#0  0x00e4dc78 in pthread_join () from /lib/tls/libpthread.so.0
#1  0x080493dc in heavyThreading () at threadtestcase.cpp:86
#2  0x08049406 in main () at threadtestcase.cpp:96

Thread 5 (process 7228):
#0  0x0035dfb1 in __write_nocancel () from /lib/tls/libc.so.6
#1  0x002fab3f in _IO_new_file_write () from /lib/tls/libc.so.6
#2  0x002f9ade in new_do_write () from /lib/tls/libc.so.6
#3  0x002f9a76 in _IO_new_do_write () from /lib/tls/libc.so.6
#4  0x002fa1d6 in _IO_new_file_overflow () from /lib/tls/libc.so.6
#5  0x002fac60 in _IO_new_file_xsputn () from /lib/tls/libc.so.6
#6  0x002ef4d2 in fputs () from /lib/tls/libc.so.6
#7  0x00c02d1c in log4cxx::helpers::SystemOutWriter::write (this=0x8ab80d0, str=@0xaffea7e0, p=Internal: global symbol `Pool' found in /home/ewyles/log4cxx/log4cxx-0.9.8/src/defaultconfigurator.cpp psymtab but not in symtab.
Pool may be an inlined function, or may be a template function
(if a template, try specifying an instantiation: Pool<type>).
)
    at /home/ewyles/log4cxx/log4cxx-0.9.8/src/systemoutwriter.cpp:53
#8  0x00c04df8 in log4cxx::WriterAppender::subAppend (this=0x8ab8070, event=Internal: global symbol `ObjectPtrT<log4cxx::spi::LoggingEvent>' found in /home/ewyles/log4cxx/log4cxx-0.9.8/src/socketappender.cpp psymtab but not in symtab.
ObjectPtrT<log4cxx::spi::LoggingEvent> may be an inlined function, or may be a template function
(if a template, try specifying an instantiation: ObjectPtrT<log4cxx::spi::LoggingEvent><type>).
) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/writerappender.cpp:199
#9  0x00c043e1 in log4cxx::WriterAppender::append (this=0x8ab8070, event=Internal: global symbol `ObjectPtrT<log4cxx::spi::LoggingEvent>' found in /home/ewyles/log4cxx/log4cxx-0.9.8/src/methodlocationpatternconverter.cpp psymtab but not in symtab.
ObjectPtrT<log4cxx::spi::LoggingEvent> may be an inlined function, or may be a template function
(if a template, try specifying an instantiation: ObjectPtrT<log4cxx::spi::LoggingEvent><type>).
) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/writerappender.cpp:81
#10 0x00c65ea2 in log4cxx::AppenderSkeleton::doAppend (this=0x8ab8070, event=@0xaffea970, pool=@0xaffea990)
    at /home/ewyles/log4cxx/log4cxx-0.9.8/src/appenderskeleton.cpp:125
#11 0x00c7f084 in log4cxx::helpers::AppenderAttachableImpl::appendLoopOnAppenders (this=0x8aba0e8, event=Internal: global symbol `ObjectPtrT<log4cxx::spi::LoggingEvent>' found in /home/ewyles/log4cxx/log4cxx-0.9.8/src/asyncappender.cpp psymtab but not in symtab.
ObjectPtrT<log4cxx::spi::LoggingEvent> may be an inlined function, or may be a template function
(if a template, try specifying an instantiation: ObjectPtrT<log4cxx::spi::LoggingEvent><type>).
)
    at /home/ewyles/log4cxx/log4cxx-0.9.8/src/appenderattachableimpl.cpp:61
#12 0x00c6c9cf in log4cxx::Logger::callAppenders (this=0x8abf5a8, event=@0xaffea970, p=@0xaffea990) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:78
#13 0x00c6d04f in log4cxx::Logger::forcedLog (this=0x8abf5a8, level=@0xd21128, message=@0xaffeaa00) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:129
#14 0x00c6f1f7 in log4cxx::Logger::debug (this=0x8abf5a8, msg=@0xaffeaa00) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:591
#15 0x08051845 in LoggerThread::meth_10 () at loggerthread.cpp:114
#16 0x0804f74b in LoggerThread::runStatic (thread=0x0) at loggerthread.cpp:8041
#17 0x00e4cdec in start_thread () from /lib/tls/libpthread.so.0
#18 0x0036ba2a in clone () from /lib/tls/libc.so.6

Thread 4 (process 7229):
#0  0x00e51809 in __lll_mutex_lock_wait () from /lib/tls/libpthread.so.0
#1  0x00e4e800 in _L_mutex_lock_78 () from /lib/tls/libpthread.so.0
#2  0x00d1c8d8 in __JCR_LIST__ () from /home/ewyles/log4cxx/lib/liblog4cxx.so
#3  0xa7fe9930 in ?? ()
#4  0xa7fe97c8 in ?? ()
#5  0x00ca60e3 in apr_thread_mutex_lock (mutex=0x8ab5724) at /home/ewyles/log4cxx/log4cxx-0.9.8/lib/apr-1.2.2/locks/unix/thread_mutex.c:92
#6  0x00ca60e3 in apr_thread_mutex_lock (mutex=0x8ab5720) at /home/ewyles/log4cxx/log4cxx-0.9.8/lib/apr-1.2.2/locks/unix/thread_mutex.c:92
#7  0x00c5cc45 in synchronized (this=0xa7fe9930, mutex=@0x8ab8020) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/synchronized.cpp:30
#8  0x00c71a5a in log4cxx::Hierarchy::getLogger (this=0x8ab7fe0, name=@0xa7fe99b0, factory=@0x8ab7fe4)
    at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:168
#9  0x00c71a15 in log4cxx::Hierarchy::getLogger (this=0x8ab7fe0, name=@0xa7fe99b0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:157
#10 0x00be08ca in log4cxx::LogManager::getLogger (name=@0xa7fe99b0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logmanager.cpp:99
#11 0x00c6ef71 in log4cxx::Logger::getLogger (name=0x809b1f4 "log4cxx.LoggerTest.meth_11") at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:542
#12 0x080518f4 in LoggerThread::meth_11 () at loggerthread.cpp:118
#13 0x0804f750 in LoggerThread::runStatic (thread=0x0) at loggerthread.cpp:8042
#14 0x00e4cdec in start_thread () from /lib/tls/libpthread.so.0
#15 0x0036ba2a in clone () from /lib/tls/libc.so.6

Thread 3 (process 7231):
#0  0x00e51809 in __lll_mutex_lock_wait () from /lib/tls/libpthread.so.0
#1  0x00e4e800 in _L_mutex_lock_78 () from /lib/tls/libpthread.so.0
#2  0x00d1c8d8 in __JCR_LIST__ () from /home/ewyles/log4cxx/lib/liblog4cxx.so
#3  0x97de7930 in ?? ()
#4  0x97de77c8 in ?? ()
#5  0x00ca60e3 in apr_thread_mutex_lock (mutex=0x8ab5724) at /home/ewyles/log4cxx/log4cxx-0.9.8/lib/apr-1.2.2/locks/unix/thread_mutex.c:92
#6  0x00ca60e3 in apr_thread_mutex_lock (mutex=0x8ab5720) at /home/ewyles/log4cxx/log4cxx-0.9.8/lib/apr-1.2.2/locks/unix/thread_mutex.c:92
---Type <return> to continue, or q <return> to quit---
#7  0x00c5cc45 in synchronized (this=0x97de7930, mutex=@0x8ab8020) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/synchronized.cpp:30
#8  0x00c71a5a in log4cxx::Hierarchy::getLogger (this=0x8ab7fe0, name=@0x97de79b0, factory=@0x8ab7fe4)
    at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:168
#9  0x00c71a15 in log4cxx::Hierarchy::getLogger (this=0x8ab7fe0, name=@0x97de79b0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:157
#10 0x00be08ca in log4cxx::LogManager::getLogger (name=@0x97de79b0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logmanager.cpp:99
#11 0x00c6ef71 in log4cxx::Logger::getLogger (name=0x809b1f4 "log4cxx.LoggerTest.meth_11") at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:542
#12 0x080518f4 in LoggerThread::meth_11 () at loggerthread.cpp:118
#13 0x0804f750 in LoggerThread::runStatic (thread=0x0) at loggerthread.cpp:8042
#14 0x00e4cdec in start_thread () from /lib/tls/libpthread.so.0
#15 0x0036ba2a in clone () from /lib/tls/libc.so.6

Thread 2 (process 7232):
#0  0x00e51809 in __lll_mutex_lock_wait () from /lib/tls/libpthread.so.0
#1  0x00e4e800 in _L_mutex_lock_78 () from /lib/tls/libpthread.so.0
#2  0x00d1c8d8 in __JCR_LIST__ () from /home/ewyles/log4cxx/lib/liblog4cxx.so
#3  0x8fde6900 in ?? ()
#4  0x8fde6808 in ?? ()
#5  0x00ca60e3 in apr_thread_mutex_lock (mutex=0x8ab56f4) at /home/ewyles/log4cxx/log4cxx-0.9.8/lib/apr-1.2.2/locks/unix/thread_mutex.c:92
#6  0x00ca60e3 in apr_thread_mutex_lock (mutex=0x8ab56f0) at /home/ewyles/log4cxx/log4cxx-0.9.8/lib/apr-1.2.2/locks/unix/thread_mutex.c:92
#7  0x00c5cc45 in synchronized (this=0x8fde6900, mutex=@0x8ab7fd0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/synchronized.cpp:30
#8  0x00c6c984 in log4cxx::Logger::callAppenders (this=0x8aba598, event=@0x8fde6970, p=@0x8fde6990) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:74
#9  0x00c6d04f in log4cxx::Logger::forcedLog (this=0x8aba598, level=@0xd21128, message=@0x8fde6a00) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:129
#10 0x00c6f1f7 in log4cxx::Logger::debug (this=0x8aba598, msg=@0x8fde6a00) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:591
#11 0x08050ec5 in LoggerThread::meth_2 () at loggerthread.cpp:50
#12 0x0804f723 in LoggerThread::runStatic (thread=0x0) at loggerthread.cpp:8033
#13 0x00e4cdec in start_thread () from /lib/tls/libpthread.so.0
#14 0x0036ba2a in clone () from /lib/tls/libc.so.6

Thread 1 (process 7230):
#0  0x0018b801 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string () from /usr/lib/libstdc++.so.5
#1  0x00bf242c in log4cxx::Logger::getName (this=0x0) at logger.h:261
#2  0x00c72528 in log4cxx::Hierarchy::updateParents (this=0x8ab7fe0, logger=@0x80c5178) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:289
#3  0x00c71c73 in log4cxx::Hierarchy::getLogger (this=0x8ab7fe0, name=@0x9fde89b0, factory=@0x8ab7fe4)
    at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:190
#4  0x00c71a15 in log4cxx::Hierarchy::getLogger (this=0x8ab7fe0, name=@0x9fde89b0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/hierarchy.cpp:157
#5  0x00be08ca in log4cxx::LogManager::getLogger (name=@0x9fde89b0) at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logmanager.cpp:99
#6  0x00c6ef71 in log4cxx::Logger::getLogger (name=0x809b1f4 "log4cxx.LoggerTest.meth_11") at /home/ewyles/log4cxx/log4cxx-0.9.8/src/logger.cpp:542
#7  0x080518f4 in LoggerThread::meth_11 () at loggerthread.cpp:118
#8  0x0804f750 in LoggerThread::runStatic (thread=0x0) at loggerthread.cpp:8042
#9  0x00e4cdec in start_thread () from /lib/tls/libpthread.so.0
#10 0x0036ba2a in clone () from /lib/tls/libc.so.6