#0  0xb76f2132 in grits_tile_update () from /usr/lib/libgrits.so.4
No symbol table info available.
#1  0xb76f236e in grits_tile_update () from /usr/lib/libgrits.so.4
No symbol table info available.
#2  0xad2b246b in ?? () from /usr/lib/grits4/elev.so
No symbol table info available.
#3  0xad2b24df in ?? () from /usr/lib/grits4/elev.so
No symbol table info available.
#4  0xb70c7483 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0xb6d7bf51 in ?? () from /usr/lib/nvidia-current/libGL.so.1
No symbol table info available.
Cannot access memory at address 0xb6ec8b34