1 #00 pc ffffe430 vdso.so (__kernel_vsyscall+16) 2 #01 pc 00082a4b libc.so (__epoll_pwait+43) 3 #02 pc 000303a3 libc.so (epoll_pwait+115) 4 #03 pc 000303ed libc.so (epoll_wait+45) 5 #04 pc 00010ea2 tombstoned (epoll_dispatch+226) 6 #05 pc 0000c5e7 tombstoned (event_base_loop+1095) 7 #06 pc 0000c193 tombstoned (event_base_dispatch+35) 8 #07 pc 00005c77 tombstoned (main+884) 9 #08 pc 00015f66 libc.so (__libc_init+102) 10 #09 pc 0000360e tombstoned (_start+98) 11 #10 pc 00000001 <unknown> 12