Segfault happened at: 0x7f1b2983ed89 <gnome_rr_screen_get_dpms_mode+73>:	mov    0x18(%rdi),%rax
PC (0x7f1b2983ed89) ok
source "0x18(%rdi)" (0x00000018) not located in a known VMA region (needed readable region)!
destination "%rax" ok