(gdb) bt
#0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1 0x00007fb512be9443 in ?? ()
#2 0x00007fb512bc9d0d in ?? ()
#3 0x00007fb512bacb0f in ?? ()
#4 0x00007fb512bbc7d1 in ?? ()
#5 0x00007fb512baa03a in ?? ()
#6 0x00007fb51537aea8 in ?? ()
#7 0x00007fb512b7d045 in ?? ()
#8 0x00007fb512b7de1e in ?? ()
#9 0x00007fb512b7cc30 in ?? ()
#10 0x00007fb512569698 in ChromeMain ()
#11 0x00007fb50a541b45 in __libc_start_main (main=0x7fb512569650 , argc=4, argv=0x7fffb310c918,
init=, fini=, rtld_fini=, stack_end=0x7fffb310c908) at libc-start.c:287
#12 0x00007fb512569545 in _start ()