It looks like all process have crashed. Could you please share more details on this? 1. Config that is being used? 2. How did you start FRR with watchfrr or manually? Thanks Santosh P K On 24/08/20, 1:04 PM, "frog on behalf of Алексей" <frog-bounces@lists.frrouting.org on behalf of ne-vlezay80@yandex.ru> wrote: OSPFD crashing, after exec: sh ip ospf interface <if> arch# show ip ospf interface archkde0 vtysh: error reading from ospfd: Success (0)Warning: closing connection to ospfd because of an I/O error! arch# arch# Systemd log: авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29450 (zebra) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29456 (staticd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29464 (bgpd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29476 (ripd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29484 (ripngd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29492 (ospfd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29500 (ospf6d) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29508 (isisd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29516 (babeld) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29524 (pimd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29533 (ldpd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29534 (ldpd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29535 (ldpd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29544 (nhrpd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29552 (eigrpd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29563 (pbrd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29571 (bfdd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29579 (fabricd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Killing process 29587 (vrrpd) with signal SIGABRT. авг 20 04:35:21 arch systemd[1]: frr.service: Failed with result 'watchdog'. авг 20 04:35:26 arch systemd[1]: frr.service: Scheduled restart job, restart counter is at 2. авг 20 04:35:26 arch systemd[1]: Stopped FRRouting. авг 20 04:35:26 arch systemd[1]: Starting FRRouting... авг 20 04:35:26 arch frr[29603]: Loading capability module if not yet done. авг 20 04:35:26 arch frr[29632]: 2020/08/20 04:35:26 ZEBRA: [EC 4043309110] Disabling MPLS support (no kernel support) авг 20 04:35:27 arch frr[29603]: starting staticd since zebra is running (binary does not exist)Exiting from the script авг 20 04:35:27 arch systemd[1]: Started FRRouting. авг 20 04:36:27 arch systemd[1]: frr.service: Watchdog timeout (limit 1min)! авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29633 (zebra) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29639 (staticd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29647 (bgpd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29659 (ripd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29667 (ripngd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29675 (ospfd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29683 (ospf6d) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29691 (isisd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29699 (babeld) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29707 (pimd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29716 (ldpd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29717 (ldpd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29718 (ldpd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29727 (nhrpd) with signal SIGABRT. авг 20 04:36:27 arch systemd[1]: frr.service: Killing process 29735 (eigrpd) with signal SIGABRT.