GNU gdb (GDB) 8.1 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-pc-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"... Reading symbols from vlc...(no debugging symbols found)...done. (gdb) handle SIG33 pass nostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) run Starting program: /usr/bin/vlc [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". Program received signal SIGSEGV, Segmentation fault. 0x000000000000ac60 in ?? () (gdb) backtrace full #0 0x000000000000ac60 in () #1 0x00007ffff7de747a in call_init.part () at /lib64/ld-linux-x86-64.so.2 #2 0x00007ffff7de7586 in _dl_init () at /lib64/ld-linux-x86-64.so.2 #3 0x00007ffff7deba5e in dl_open_worker () at /lib64/ld-linux-x86-64.so.2 #4 0x00007ffff7509b64 in _dl_catch_error () at /usr/lib/libc.so.6 #5 0x00007ffff7deb27a in _dl_open () at /lib64/ld-linux-x86-64.so.2 #6 0x00007ffff778fe86 in () at /usr/lib/libdl.so.2 #7 0x00007ffff7509b64 in _dl_catch_error () at /usr/lib/libc.so.6 #8 0x00007ffff7790587 in () at /usr/lib/libdl.so.2 #9 0x00007ffff778ff22 in dlopen () at /usr/lib/libdl.so.2 #10 0x00007ffff7183831 in () at /usr/lib/libvlccore.so.9 #11 0x00007ffff70f2adf in () at /usr/lib/libvlccore.so.9 #12 0x00007ffff70f2994 in () at /usr/lib/libvlccore.so.9 #13 0x00007ffff70f3057 in () at /usr/lib/libvlccore.so.9 #14 0x00007ffff70f380a in () at /usr/lib/libvlccore.so.9 #15 0x00007ffff70db10a in libvlc_InternalInit () at /usr/lib/libvlccore.so.9 #16 0x00007ffff7bb963c in libvlc_new () at /usr/lib/libvlc.so.5 #17 0x0000555555555193 in () #18 0x00007ffff73f8f4a in __libc_start_main () at /usr/lib/libc.so.6 #19 0x00005555555553ea in () (gdb) info registers rax 0x1 1 rbx 0x7fffc7957360 140736541848416 rcx 0x7fffffffe668 140737488348776 rdx 0x7fffffffe668 140737488348776 rsi 0x7fffffffe658 140737488348760 rdi 0x1 1 rbp 0x1 0x1 rsp 0x7fffffffd998 0x7fffffffd998 r8 0x5555558c1f40 93824995827520 r9 0x2f 47 r10 0x55555583d290 93824995283600 r11 0x206 518 r12 0x7fffffffe658 140737488348760 r13 0x7fffffffe668 140737488348776 r14 0x7fffc7957370 140736541848432 r15 0x0 0 rip 0xac60 0xac60 eflags 0x10202 [ IF RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0xac60: Cannot access memory at address 0xac60 (gdb) thread apply all backtrace Thread 1 (Thread 0x7ffff7fa2f80 (LWP 21662)): #0 0x000000000000ac60 in () #1 0x00007ffff7de747a in call_init.part () at /lib64/ld-linux-x86-64.so.2 #2 0x00007ffff7de7586 in _dl_init () at /lib64/ld-linux-x86-64.so.2 #3 0x00007ffff7deba5e in dl_open_worker () at /lib64/ld-linux-x86-64.so.2 #4 0x00007ffff7509b64 in _dl_catch_error () at /usr/lib/libc.so.6 #5 0x00007ffff7deb27a in _dl_open () at /lib64/ld-linux-x86-64.so.2 #6 0x00007ffff778fe86 in () at /usr/lib/libdl.so.2 #7 0x00007ffff7509b64 in _dl_catch_error () at /usr/lib/libc.so.6 #8 0x00007ffff7790587 in () at /usr/lib/libdl.so.2 #9 0x00007ffff778ff22 in dlopen () at /usr/lib/libdl.so.2 #10 0x00007ffff7183831 in () at /usr/lib/libvlccore.so.9 #11 0x00007ffff70f2adf in () at /usr/lib/libvlccore.so.9 #12 0x00007ffff70f2994 in () at /usr/lib/libvlccore.so.9 #13 0x00007ffff70f3057 in () at /usr/lib/libvlccore.so.9 #14 0x00007ffff70f380a in () at /usr/lib/libvlccore.so.9 #15 0x00007ffff70db10a in libvlc_InternalInit () at /usr/lib/libvlccore.so.9 #16 0x00007ffff7bb963c in libvlc_new () at /usr/lib/libvlc.so.5 #17 0x0000555555555193 in () #18 0x00007ffff73f8f4a in __libc_start_main () at /usr/lib/libc.so.6 #19 0x00005555555553ea in () (gdb) quit A debugging session is active. Inferior 1 [process 21662] will be killed. Quit anyway? (y or n) y