#0  0x00007feb2ed42d94 in meta_window_get_monitor () from /usr/lib/x86_64-linux-gnu/libmutter-1.so.0
No symbol table info available.
#1  0x00007feb2a75ce18 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#2  0x00007feb2a75c87a in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#3  0x00007feb2f7c03c8 in ?? () from /usr/lib/libgjs.so.0
No symbol table info available.
#4  0x00007feb2f7c1ca4 in ?? () from /usr/lib/libgjs.so.0
No symbol table info available.
#5  0x00001bee5be0c810 in ?? ()
No symbol table info available.
#6  0x00007ffe2184ab78 in ?? ()
No symbol table info available.
#7  0x00007ffe2184aaa0 in ?? ()
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.