I have tried this cvs version, here the backtrace as suggested:
(gdb) bt
#0 0xb7f9d20d in pthread_mutex_lock () from /lib/libpthread.so.0
#1 0xb71e664f in g_source_set_callback_indirect () from /usr/lib/libglib-2.0.so.0
#2 0xb71e67d8 in g_source_set_callback () from /usr/lib/libglib-2.0.so.0
#3 0xb71dabd6 in g_io_add_watch_full () from /usr/lib/libglib-2.0.so.0
#4 0xb72f6661 in gdk_input_add_full () from /usr/lib/libgdk-x11-2.0.so.0
#5 0xb72f66ae in gdk_input_add () from /usr/lib/libgdk-x11-2.0.so.0
#6 0xb7c8fdc5 in GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket*, GSocketEvent) ()
from /usr/lib/libwx_gtk2u_core-2.8.so.0
#7 0xb7b52dfd in GSocket::Enable(GSocketEvent) () from /usr/lib/libwx_baseu_net-2.8.so.0
#8 0xb7b5433a in GSocket::Write(char const*, int) () from /usr/lib/libwx_baseu_net-2.8.so.0
#9 0xb7b4ef6e in wxSocketBase::_Write(void const*, unsigned int) () from /usr/lib/libwx_baseu_net-2.8.so.0
#10 0xb7b4efd7 in wxSocketBase::Write(void const*, unsigned int) () from /usr/lib/libwx_baseu_net-2.8.so.0
#11 0x0829d856 in ?? ()
#12 0x081032e9 in ?? ()
#13 0x0810155a in ?? ()
#14 0x080c06e0 in ?? ()
#15 0x080b35bf in ?? ()
#16 0x08191b1d in ?? ()
#17 0xb7ac5c50 in wxThreadInternal::PthreadStart(wxThread*) () from /usr/lib/libwx_baseu-2.8.so.0
#18 0xb7ac5cbd in wxPthreadStart () from /usr/lib/libwx_baseu-2.8.so.0
#19 0xb7f9ae60 in start_thread () from /lib/libpthread.so.0
#20 0xb780cfbe in clone () from /lib/libc.so.6
(gdb) bt full
#0 0xb7f9d20d in pthread_mutex_lock () from /lib/libpthread.so.0
No symbol table info available.
#1 0xb71e664f in g_source_set_callback_indirect () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#2 0xb71e67d8 in g_source_set_callback () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#3 0xb71dabd6 in g_io_add_watch_full () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#4 0xb72f6661 in gdk_input_add_full () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#5 0xb72f66ae in gdk_input_add () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#6 0xb7c8fdc5 in GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket*, GSocketEvent) ()
from /usr/lib/libwx_gtk2u_core-2.8.so.0
No symbol table info available.
#7 0xb7b52dfd in GSocket::Enable(GSocketEvent) () from /usr/lib/libwx_baseu_net-2.8.so.0
No symbol table info available.
#8 0xb7b5433a in GSocket::Write(char const*, int) () from /usr/lib/libwx_baseu_net-2.8.so.0
No symbol table info available.
#9 0xb7b4ef6e in wxSocketBase::_Write(void const*, unsigned int) () from /usr/lib/libwx_baseu_net-2.8.so.0
No symbol table info available.
#10 0xb7b4efd7 in wxSocketBase::Write(void const*, unsigned int) () from /usr/lib/libwx_baseu_net-2.8.so.0
No symbol table info available.
#11 0x0829d856 in ?? ()
No symbol table info available.
#12 0x081032e9 in ?? ()
No symbol table info available.
#13 0x0810155a in ?? ()
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#14 0x080c06e0 in ?? ()
No symbol table info available.
#15 0x080b35bf in ?? ()
No symbol table info available.
#16 0x08191b1d in ?? ()
No symbol table info available.
#17 0xb7ac5c50 in wxThreadInternal::PthreadStart(wxThread*) () from /usr/lib/libwx_baseu-2.8.so.0
No symbol table info available.
#18 0xb7ac5cbd in wxPthreadStart () from /usr/lib/libwx_baseu-2.8.so.0
No symbol table info available.
#19 0xb7f9ae60 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#20 0xb780cfbe in clone () from /lib/libc.so.6
No symbol table info available.
(gdb) thread apply all bt
Thread 5 (Thread 0xb0affb70 (LWP 18826)):
#0 0xb7fe1424 in __kernel_vsyscall ()
#1 0xb7f9f7a4 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2 0xb7ac4954 in wxConditionInternal::WaitTimeout(unsigned long) () from /usr/lib/libwx_baseu-2.8.so.0
#3 0xb7ac49af in wxCondition::WaitTimeout(unsigned long) () from /usr/lib/libwx_baseu-2.8.so.0
#4 0xb7ac4f04 in wxSemaphoreInternal::WaitTimeout(unsigned long) () from /usr/lib/libwx_baseu-2.8.so.0
#5 0xb7ac4f8f in wxSemaphore::WaitTimeout(unsigned long) () from /usr/lib/libwx_baseu-2.8.so.0
#6 0x082d6901 in ?? ()
#7 0xb7ac5c50 in wxThreadInternal::PthreadStart(wxThread*) () from /usr/lib/libwx_baseu-2.8.so.0
#8 0xb7ac5cbd in wxPthreadStart () from /usr/lib/libwx_baseu-2.8.so.0
#9 0xb7f9ae60 in start_thread () from /lib/libpthread.so.0
#10 0xb780cfbe in clone () from /lib/libc.so.6
Thread 3 (Thread 0xb208bb70 (LWP 18824)):
#0 0xb7f9d20d in pthread_mutex_lock () from /lib/libpthread.so.0
#1 0xb71e664f in g_source_set_callback_indirect () from /usr/lib/libglib-2.0.so.0
#2 0xb71e67d8 in g_source_set_callback () from /usr/lib/libglib-2.0.so.0
#3 0xb71dabd6 in g_io_add_watch_full () from /usr/lib/libglib-2.0.so.0
#4 0xb72f6661 in gdk_input_add_full () from /usr/lib/libgdk-x11-2.0.so.0
#5 0xb72f66ae in gdk_input_add () from /usr/lib/libgdk-x11-2.0.so.0
#6 0xb7c8fdc5 in GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket*, GSocketEvent) ()
from /usr/lib/libwx_gtk2u_core-2.8.so.0
#7 0xb7b52dfd in GSocket::Enable(GSocketEvent) () from /usr/lib/libwx_baseu_net-2.8.so.0
#8 0xb7b5433a in GSocket::Write(char const*, int) () from /usr/lib/libwx_baseu_net-2.8.so.0
#9 0xb7b4ef6e in wxSocketBase::_Write(void const*, unsigned int) () from /usr/lib/libwx_baseu_net-2.8.so.0
#10 0xb7b4efd7 in wxSocketBase::Write(void const*, unsigned int) () from /usr/lib/libwx_baseu_net-2.8.so.0
#11 0x0829d856 in ?? ()
#12 0x081032e9 in ?? ()
---Type <return> to continue, or q <return> to quit---
#13 0x0810155a in ?? ()
#14 0x080c06e0 in ?? ()
#15 0x080b35bf in ?? ()
#16 0x08191b1d in ?? ()
#17 0xb7ac5c50 in wxThreadInternal::PthreadStart(wxThread*) () from /usr/lib/libwx_baseu-2.8.so.0
#18 0xb7ac5cbd in wxPthreadStart () from /usr/lib/libwx_baseu-2.8.so.0
#19 0xb7f9ae60 in start_thread () from /lib/libpthread.so.0
#20 0xb780cfbe in clone () from /lib/libc.so.6
Thread 1 (Thread 0xb6b96810 (LWP 18815)):
#0 0xb7fe1424 in __kernel_vsyscall ()
#1 0xb7802bd6 in poll () from /lib/libc.so.6
#2 0xb71f943b in g_poll () from /usr/lib/libglib-2.0.so.0
#3 0xb7c77ce7 in wxapp_poll_func () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#4 0xb71e928f in ?? () from /usr/lib/libglib-2.0.so.0
#5 0xb71e9a1b in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#6 0xb74a0409 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#7 0xb7c8e898 in wxEventLoop::Run() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#8 0xb7d185ee in wxAppBase::MainLoop() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#9 0xb7d17f31 in wxAppBase::OnRun() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#10 0xb7a6b16b in wxEntry(int&, wchar_t**) () from /usr/lib/libwx_baseu-2.8.so.0
#11 0xb7a6b217 in wxEntry(int&, char**) () from /usr/lib/libwx_baseu-2.8.so.0
#12 0x081ee4cb in ?? ()
#13 0xb7754c76 in __libc_start_main () from /lib/libc.so.6
#14 0x0806d3d1 in ?? ()
