Hop this helps. I'm running geany via Bash on Win10 using Xming Server, so I could only attach to the running process. Might need to rebuild geany with -g flag?
(gdb) continue Continuing.
Program received signal SIGSEGV, Segmentation fault. __strchr_sse2 () at ../sysdeps/x86_64/multiarch/../strchr.S:32 32 ../sysdeps/x86_64/multiarch/../strchr.S: No such file or directory. (gdb) bt #0 __strchr_sse2 () at ../sysdeps/x86_64/multiarch/../strchr.S:32 #1 0x00007f8dc1bf5740 in ?? () from /usr/lib/x86_64-linux-gnu/geany/debugger.so #2 0x00007f8dc8ca8ce5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8dc8ca9048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f8dc8ca930a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f8dca4eb447 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #6 0x000000000044a626 in main () (gdb)