GNU gdb (Ubuntu 8.1-0ubuntu5) 8.1.0.20180409-git Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word". [New LWP 1429] [New LWP 1435] [New LWP 2281] [New LWP 1436] Core was generated by `Thunar --daemon'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f9f380e25a1 in ?? () [Current thread is 1 (LWP 1429)] (gdb) backtrace fukkll #0 0x00007f9f380e25a1 in ?? () No symbol table info available. #1 0x00007f9f37fb14d3 in ?? () No symbol table info available. #2 0x000000000000003a in ?? () No symbol table info available. #3 0x00007f9f28015b60 in ?? () No symbol table info available. #4 0x000000002811e960 in ?? () No symbol table info available. #5 0x0000000000000014 in ?? () No symbol table info available. #6 0x0000000000000000 in ?? () No symbol table info available. (gdb) info registers rax 0x18 24 rbx 0x558520f96f6c 94030272229228 rcx 0x4 4 rdx 0x4 4 rsi 0x7ffc77aa9828 140722316154920 rdi 0x4 4 rbp 0x7ffc77aa9860 0x7ffc77aa9860 rsp 0x7ffc77aa92e8 0x7ffc77aa92e8 r8 0x4 4 r9 0x0 0 r10 0x0 0 r11 0x558520f96f79 94030272229241 r12 0x7ffc77aa9870 140722316154992 r13 0xc 12 r14 0x7f9f38340760 140321819461472 r15 0x73 115 rip 0x7f9f380e25a1 0x7f9f380e25a1 eflags 0x10287 [ CF PF SF IF RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0x7f9f380e25a1: Cannot access memory at address 0x7f9f380e25a1 (gdb) thead apply all backtrace Undefined command: "thead". Try "help". (gdb) thead apply all backtrace[1@r Thread 4 (LWP 1436): #0 0x00007f9f38068bf9 in ?? () #1 0x000055852319043c in ?? () #2 0x00005585231924a0 in ?? () #3 0x00005585231902f0 in ?? () #4 0x0000000000000003 in ?? () #5 0x00005585231924a0 in ?? () #6 0x00007f9f385b0439 in ?? () #7 0x0000558523192490 in ?? () #8 0x00000001231902f0 in ?? () #9 0xffffffff7fffffff in ?? () #10 0xb2a129676e2cbd00 in ?? () #11 0x0000558523181880 in ?? () #12 0x0000558523190430 in ?? () #13 0x000055852319043c in ?? () #14 0x00007f9f2f90cc80 in ?? () #15 0x0000000000000000 in ?? () Thread 3 (LWP 2281): #0 0x00007f9f3806f839 in ?? () #1 0x00007f9f385f5f2a in ?? () #2 0x000000000000017f in ?? () #3 0x00000000383258e1 in ?? () #4 0x000000000000000e in ?? () #5 0x000000003b9ac777 in ?? () #6 0x000000000000017f in ?? () #7 0xb2a129676e2cbd00 in ?? () #8 0x0000000000000001 in ?? () #9 0x00005585231705c8 in ?? () #10 0x0000000017c76267 in ?? () #11 0x00007f9f385834f1 in ?? () #12 0x00005585231705b0 in ?? () #13 0x0000000016e280a7 in ?? () #14 0x0000000000e4e1c0 in ?? () #15 0x0000000000000000 in ?? () Thread 2 (LWP 1435): #0 0x00007f9f38068bf9 in ?? () #1 0x0000000000000001 in ?? () #2 0x000055852317a3e0 in ?? () #3 0x0000558523179a70 in ?? () #4 0x0000000000000002 in ?? () #5 0x000055852317a3e0 in ?? () #6 0x00007f9f385b0439 in ?? () #7 0x0000000000000000 in ?? () Thread 1 (LWP 1429): #0 0x00007f9f380e25a1 in ?? () #1 0x00007f9f37fb14d3 in ?? () #2 0x000000000000003a in ?? () #3 0x00007f9f28015b60 in ?? () #4 0x000000002811e960 in ?? () #5 0x0000000000000014 in ?? () #6 0x0000000000000000 in ?? () (gdb) quit