$ gdb /usr/lib/chromium/chromium
GNU gdb (GDB) 7.6
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/lib/chromium/chromium...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/lib/chromium/chromium 
warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff7ffa000
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffe662e700 (LWP 5260)]
[New Thread 0x7fffe4fe6700 (LWP 5261)]
[New Thread 0x7fffdffff700 (LWP 5262)]
[New Thread 0x7ffff7ff9700 (LWP 5263)]
[New Thread 0x7fffe47e5700 (LWP 5264)]
[New Thread 0x7fffdf7fe700 (LWP 5265)]
[New Thread 0x7fffdeffd700 (LWP 5266)]
[New Thread 0x7ffff7fd8700 (LWP 5267)]
[New Thread 0x7fffde2c3700 (LWP 5268)]
[New Thread 0x7fffddac2700 (LWP 5269)]
[New Thread 0x7fffdd2c1700 (LWP 5270)]
[New Thread 0x7fffdcac0700 (LWP 5271)]
[New Thread 0x7fffc3ffe700 (LWP 5272)]
[New Thread 0x7fffc37fd700 (LWP 5273)]
[New Thread 0x7fffc2ffc700 (LWP 5274)]
[New Thread 0x7fffe42b8700 (LWP 5275)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffc2ffc700 (LWP 5274)]
0x00007ffff44e1f93 in PK11_ReferenceSlot () from /usr/lib/libnss3.so
(gdb) 
[jose@FoXMobile jose]$ gdb /usr/lib/chromium/chromium
GNU gdb (GDB) 7.6
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/lib/chromium/chromium...(no debugging symbols found)...done.
(gdb) 
(gdb) 
(gdb) 
(gdb) 
(gdb) bt full
#0  0x00007ffff44e1f93 in PK11_ReferenceSlot () from /usr/lib/libnss3.so
No symbol table info available.
#1  0x00005555563f2957 in ?? ()
No symbol table info available.
#2  0x00005555563f31c0 in ?? ()
No symbol table info available.
#3  0x0000555556437a72 in ?? ()
No symbol table info available.
#4  0x0000555556437aca in ?? ()
No symbol table info available.
#5  0x000055555642b805 in ?? ()
No symbol table info available.
#6  0x0000555556429eea in ?? ()
No symbol table info available.
#7  0x00005555564f5cf3 in ?? ()
No symbol table info available.
#8  0x00005555564f5f80 in ?? ()
No symbol table info available.
#9  0x000055555659894c in ?? ()
No symbol table info available.
#10 0x000055555644eefd in ?? ()
No symbol table info available.
#11 0x0000555556472c33 in ?? ()
No symbol table info available.
#12 0x0000555555e9ad6a in ?? ()
No symbol table info available.
#13 0x00005555582a9e3b in ?? ()
No symbol table info available.
#14 0x00005555563cc5d3 in ?? ()
No symbol table info available.
#15 0x00005555563c7379 in ?? ()
No symbol table info available.
#16 0x00007ffff3c0cdd2 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#17 0x00007fffefb3acdd in clone () from /usr/lib/libc.so.6
No symbol table info available.
(gdb)