Suddenly, all Z-Wave nodes is DEAD

This has been working fine for about 1 year without any change, but now suddenly become all devices DEAD, I manage to get it up and running after various restarts and to take out and add Z-wave.me stick.

I also uppdatrat to the latest versions (OH1)
I run everything on an Ubuntu 4.14 server.

Anyone have an idea what could be wrong ??

Here is the log.
2016-11-24 18:45:48.245 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 6: Node is DEAD. Dropping message.
2016-11-24 18:45:53.247 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 23: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:45:53.248 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 23: Node is DEAD. Dropping message.
2016-11-24 18:45:58.252 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 24: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:45:58.252 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 24: Node is DEAD. Dropping message.
2016-11-24 18:47:27.454 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 11: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:47:27.454 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 11: Node is DEAD. Dropping message.
2016-11-24 18:48:57.456 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 30: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:48:57.456 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 30: Node is DEAD. Dropping message.
2016-11-24 18:50:27.460 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 14: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:50:27.461 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 14: Node is DEAD. Dropping message.
2016-11-24 18:51:06.126 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 23: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:51:06.127 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 23: Node is DEAD. Dropping message.
2016-11-24 18:51:11.131 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 23: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:51:11.131 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 23: Node is DEAD. Dropping message.
2016-11-24 18:51:16.135 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 23: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:51:16.136 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 23: Node is DEAD. Dropping message.
2016-11-24 18:51:57.460 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 18: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:51:57.460 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 18: Node is DEAD. Dropping message.
2016-11-24 18:53:27.463 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 19: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:53:27.463 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 19: Node is DEAD. Dropping message.
2016-11-24 18:54:57.468 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 5: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:54:57.468 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 5: Node is DEAD. Dropping message.
2016-11-24 18:56:27.466 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 9: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:56:27.466 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 9: Node is DEAD. Dropping message.
2016-11-24 18:57:57.470 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 13: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:57:57.470 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 13: Node is DEAD. Dropping message.
2016-11-24 18:59:27.472 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 29: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 18:59:27.472 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 29: Node is DEAD. Dropping message.
2016-11-24 19:00:57.475 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 26: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 19:00:57.475 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 26: Node is DEAD. Dropping message.
2016-11-24 19:02:27.476 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 10: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 19:02:27.476 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 10: Node is DEAD. Dropping message.
2016-11-24 19:03:57.478 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 17: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 19:03:57.479 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 17: Node is DEAD. Dropping message.
2016-11-24 19:05:27.480 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 20: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 19:05:27.481 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 20: Node is DEAD. Dropping message.
2016-11-24 19:06:57.485 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 21: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 19:06:57.485 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 21: Node is DEAD. Dropping message.
2016-11-24 19:08:27.488 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 16: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 19:08:27.489 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 16: Node is DEAD. Dropping message.
2016-11-24 19:09:57.488 [ERROR] [WaveController$ZWaveSendThread:1309]- NODE 7: Timeout while sending message. Requeueing - 2 attempts left!
2016-11-24 19:09:57.488 [ERROR] [b.z.i.p.s.SendDataMessageClass:141 ]- NODE 7: Node is DEAD. Dropping message.

Andreas H

To me it looks like the stick is dead, but I would suggest to get a debug log to see what is happening.

Chris