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Thread 1 (Thread 0x7f5ca6254880 (LWP 1320)):
#0  0x00007f5ca44a42bc in free () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f5ca63ae3ed in ?? ()
No symbol table info available.
#2  0x00007f5ca63ae9a3 in XIDeleteAllDeviceProperties ()
No symbol table info available.
#3  0x00007f5ca62caa74 in ?? ()
No symbol table info available.
#4  0x00007f5ca62cec61 in RemoveDevice ()
No symbol table info available.
#5  0x00007f5ca6326c31 in DeleteInputDeviceRequest ()
No symbol table info available.
#6  0x00007f5ca62cacfc in ?? ()
No symbol table info available.
#7  0x00007f5ca62cb2a1 in ?? ()
No symbol table info available.
#8  0x00007f5ca641a197 in ?? ()
No symbol table info available.
#9  0x00007f5ca641ad93 in ?? ()
No symbol table info available.
#10 <signal handler called>
No symbol table info available.
#11 0x00007f5ca456f860 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#12 0x00007f5ca64128e2 in WriteToClient ()
No symbol table info available.
#13 0x00007f5ca63afeac in ?? ()
No symbol table info available.
#14 0x00007f5ca62d5721 in ?? ()
No symbol table info available.
#15 0x00007f5ca62c464a in ?? ()
No symbol table info available.
#16 0x00007f5ca444476d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#17 0x00007f5ca62c493d in _start ()
No symbol table info available.