On Fri, Aug 22, 2014 at 4:56 PM, Farzad Fallah <farzad.fallah at gmail.com> wrote: > No. also I checked syslog to see if worker process has logged anything > before hanging but there is only one line containing worker process > PID: > root at X:/var/log# grep 13880 syslog > Aug 22 07:32:36 sd-48811 ocserv[8975]: main: main.c:451: Child 13880 > died with signal 9 (Yes, I had to kill it with kill -9) The cause is here: pselect6(22, [4 7 8 21], NULL, NULL, {10, 0}, {[], 8}) = 1 (in [7], left {9, 999997763}) recvfrom(5, 0xad9330, 18780, 0, 0, 0) = -1 EBADF (Bad file descriptor) It is waiting for descriptors 4,7,8,21 and then receiving from descriptor 5. That is an issue it should now be fixed in the repository. What I don't understand though is how it does get into an infinite loop. All the callers of recvfrom() check for its return code. I will check again later with a more clear head. regards, Nikos