(gdb) bt full
#0  0x0014a402 in __kernel_vsyscall ()
No symbol table info available.
#1  0x4c220c00 in raise () from /lib/libc.so.6
No symbol table info available.
#2  0x4c222451 in abort () from /lib/libc.so.6
No symbol table info available.
#3  0x4c2561fb in __libc_message () from /lib/libc.so.6
No symbol table info available.
#4  0x4c25c2ba in malloc_consolidate () from /lib/libc.so.6
No symbol table info available.
#5  0x4c25e5b3 in _int_malloc () from /lib/libc.so.6
No symbol table info available.
#6  0x4c25f693 in _int_realloc () from /lib/libc.so.6
No symbol table info available.
#7  0x4c26180e in realloc () from /lib/libc.so.6
No symbol table info available.
#8  0x0036cd55 in PAbstractArray::InternalSetSize () from /usr/lib/libpt_linux_x86_r.so.1.11.0
No symbol table info available.
#9  0x0036ce55 in PString::SetSize () from /usr/lib/libpt_linux_x86_r.so.1.11.0
No symbol table info available.
#10 0x00365045 in PContainer::SetMinSize () from /usr/lib/libpt_linux_x86_r.so.1.11.0
No symbol table info available.
#11 0x003650ec in PAbstractArray::GetPointer () from /usr/lib/libpt_linux_x86_r.so.1.11.0
No symbol table info available.
#12 0x004e1a27 in PBaseArray<char>::GetPointer () from /usr/lib/asterisk/modules/chan_h323.so
No symbol table info available.
#13 0x004dd6af in PAsteriskLog::Buffer::sync () from /usr/lib/asterisk/modules/chan_h323.so
No symbol table info available.
#14 0x4c5c1cd2 in std::ostream::flush () from /usr/lib/libstdc++.so.6
No symbol table info available.
#15 0x4c5c1d5d in std::flush<char, std::char_traits<char> > () from /usr/lib/libstdc++.so.6
No symbol table info available.
#16 0x4c5c3799 in std::endl<char, std::char_traits<char> > () from /usr/lib/libstdc++.so.6
No symbol table info available.
#17 0x4c5c11df in std::ostream::operator<< () from /usr/lib/libstdc++.so.6
No symbol table info available.
#18 0x00357fe0 in PTrace::End () from /usr/lib/libpt_linux_x86_r.so.1.11.0
No symbol table info available.
#19 0x4c5c11df in std::ostream::operator<< () from /usr/lib/libstdc++.so.6
No symbol table info available.
#20 0x032966a4 in H323Connection::CleanUpOnCallEnd () from /usr/lib/libh323_linux_x86_r.so.1.19.0
No symbol table info available.
#21 0x032a78a7 in H323EndPoint::CleanUpConnections () from /usr/lib/libh323_linux_x86_r.so.1.19.0
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#22 0x032a79dc in H323ConnectionsCleaner::Main () from /usr/lib/libh323_linux_x86_r.so.1.19.0
No symbol table info available.
#23 0x003459b5 in PThread::PX_ThreadStart () from /usr/lib/libpt_linux_x86_r.so.1.11.0
No symbol table info available.
#24 0x4c3422db in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#25 0x4c2c512e in clone () from /lib/libc.so.6
No symbol table info available.
(gdb) quit