I'm still getting duplicate process but the results of gdb are different. Can anyone shed any light onto what is causing this? (gdb) info threads 1 Thread 1091845040 (LWP 31287) 0xffffe410 in __kernel_vsyscall () (gdb) thread apply all bt Thread 1 (Thread 1091845040 (LWP 31287)): #0 0xffffe410 in __kernel_vsyscall () #1 0x4004f13e in __lll_mutex_lock_wait () from /lib/tls/libpthread.so.0 #2 0x4004be41 in _L_mutex_lock_191 () from /lib/tls/libpthread.so.0 #3 0x40224600 in _IO_wide_data_2 () from /lib/tls/libc.so.6 #4 0x4112d1a0 in ?? () #5 0x4112d1a0 in ?? () #6 0x4112d258 in ?? () #7 0x4112d234 in ?? () #8 0x08061555 in ast_get_channel_tech (name=0x4112d1a0 "SIP") at lock.h:601 #9 0x080c9013 in ast_device_state (device=0x7a37 <Address 0x7a37 out of bounds>) at devicestate.c:118 Previous frame inner to this frame (corrupt stack?) #0 0xffffe410 in __kernel_vsyscall () Regards Lee ########################################### This message has been scanned by F-Secure Anti-Virus for Microsoft Exchange. For more information, connect to http://www.f-secure.com/ -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20060609/b7e4542f/attachment.htm