EDIT: Note that when this happens, I have to reboot the rig via the power button; `sudo reboot` just causes the machine to hang.
bminer has been chugging along for a couple of days now, but this morning I woke up to see the following. Any tips?
[INFO] [2018-01-09T02:17:56-08:00] [GPU 0] Speed: 508.98 Sol/s 272.31 Nonce/s
[INFO] [2018-01-09T02:17:56-08:00] [GPU 1] Speed: 508.21 Sol/s 272.46 Nonce/s
[INFO] [2018-01-09T02:17:57-08:00] [GPU 2] Speed: 502.58 Sol/s 269.03 Nonce/s
[INFO] [2018-01-09T02:17:57-08:00] [GPU 3] Speed: 505.43 Sol/s 269.04 Nonce/s
[INFO] [2018-01-09T02:17:58-08:00] [GPU 4] Speed: 504.83 Sol/s 270.48 Nonce/s
[INFO] [2018-01-09T02:17:59-08:00] [GPU 5] Speed: 506.09 Sol/s 271.16 Nonce/s
[INFO] [2018-01-09T02:18:02-08:00] Accepted share #18630
[INFO] [2018-01-09T02:18:02-08:00] Accepted share #18631
[WARN] [2018-01-09T02:18:04-08:00] Get error: End of file, resetting in 5 seconds
[INFO] [2018-01-09T02:18:10-08:00] Connected to zcl.suprnova.cc:4042
[INFO] [2018-01-09T02:18:10-08:00] Subscribed to stratum server
[INFO] [2018-01-09T02:18:10-08:00] Set nonce to e80000400000000000000000400000e9
[INFO] [2018-01-09T02:18:10-08:00] Set target to 0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f00
[INFO] [2018-01-09T02:18:10-08:00] Received new job 1
[INFO] [2018-01-09T02:18:10-08:00] Authorized
[INFO] [2018-01-09T02:18:11-08:00] Accepted share #18632
[INFO] [2018-01-09T02:18:12-08:00] Accepted share #18633
[INFO] [2018-01-09T02:18:13-08:00] Accepted share #18634
[WARN] [2018-01-09T02:18:18-08:00] Get error: End of file, resetting in 5 seconds
[INFO] [2018-01-09T02:18:19-08:00] Total 3036.12 Sol/s 1624.48 Nonce/s Accepted shares 18556 Rejected shares 67
[INFO] [2018-01-09T02:18:23-08:00] Connected to zcl.suprnova.cc:4042
[INFO] [2018-01-09T02:18:24-08:00] Subscribed to stratum server
[INFO] [2018-01-09T02:18:24-08:00] Set nonce to f20100380000000000000000380001f3
[INFO] [2018-01-09T02:18:24-08:00] Set target to 0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f00
[INFO] [2018-01-09T02:18:24-08:00] Received new job 1
[INFO] [2018-01-09T02:18:24-08:00] Authorized
[INFO] [2018-01-09T02:18:24-08:00] Accepted share #18637
[WARN] [2018-01-09T02:18:25-08:00] Get error: End of file, resetting in 5 seconds
[INFO] [2018-01-09T02:18:26-08:00] [GPU 0] Speed: 507.86 Sol/s 272.23 Nonce/s
[INFO] [2018-01-09T02:18:26-08:00] [GPU 1] Speed: 509.26 Sol/s 272.34 Nonce/s
[INFO] [2018-01-09T02:18:27-08:00] [GPU 2] Speed: 502.05 Sol/s 268.92 Nonce/s
[INFO] [2018-01-09T02:18:27-08:00] [GPU 3] Speed: 507.34 Sol/s 269.16 Nonce/s
[INFO] [2018-01-09T02:18:28-08:00] [GPU 4] Speed: 506.18 Sol/s 270.44 Nonce/s
[INFO] [2018-01-09T02:18:29-08:00] [GPU 5] Speed: 508.35 Sol/s 271.12 Nonce/s
[WARN] [2018-01-09T02:18:30-08:00] Connection failed due to Broken pipe, retrying in 5 seconds
[INFO] [2018-01-09T02:18:31-08:00] Connected to zcl.suprnova.cc:4042
[INFO] [2018-01-09T02:18:35-08:00] Subscribed to stratum server
[INFO] [2018-01-09T02:18:35-08:00] Set nonce to b80700780000000000000000780007b9
[INFO] [2018-01-09T02:18:35-08:00] Set target to 0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f00
[INFO] [2018-01-09T02:18:35-08:00] Received new job 8a
[WARN] [2018-01-09T02:18:35-08:00] Get error: Bad file descriptor, resetting in 5 seconds
[INFO] [2018-01-09T02:18:36-08:00] Connected to zcl.suprnova.cc:4042
[INFO] [2018-01-09T02:18:40-08:00] Subscribed to stratum server
[INFO] [2018-01-09T02:18:40-08:00] Set nonce to 98f9ff17000000000000000017fff997
[INFO] [2018-01-09T02:18:40-08:00] Set target to 0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f00
[INFO] [2018-01-09T02:18:40-08:00] Received new job 7c
[INFO] [2018-01-09T02:18:40-08:00] Received new job 7d
[WARN] [2018-01-09T02:18:40-08:00] Rejected share #18641 ([24,"unauthorized worker",null])
[WARN] [2018-01-09T02:18:40-08:00] Rejected share #18642 ([24,"unauthorized worker",null])
[WARN] [2018-01-09T02:18:40-08:00] Rejected share #18643 ([24,"unauthorized worker",null])
[WARN] [2018-01-09T02:18:40-08:00] Get error: Bad file descriptor, resetting in 5 seconds
[INFO] [2018-01-09T02:18:41-08:00] Connected to zcl.suprnova.cc:4042
[INFO] [2018-01-09T02:18:45-08:00] Subscribed to stratum server
[INFO] [2018-01-09T02:18:45-08:00] Set nonce to ca0100680000000000000000680001cb
[INFO] [2018-01-09T02:18:45-08:00] Set target to 0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f00
[INFO] [2018-01-09T02:18:45-08:00] Received new job 1
[WARN] [2018-01-09T02:18:45-08:00] Rejected share #18644 ([24,"unauthorized worker",null])
[WARN] [2018-01-09T02:18:45-08:00] Rejected share #18645 ([24,"unauthorized worker",null])
[WARN] [2018-01-09T02:18:45-08:00] Rejected share #18646 ([24,"unauthorized worker",null])
[WARN] [2018-01-09T02:18:46-08:00] Miner died! It will be restarted soon...
[INFO] [2018-01-09T02:18:52-08:00] Bminer: When Crypto-mining Made Fast (v4.0.0-433ffb1)
[INFO] [2018-01-09T02:18:52-08:00] Checking updates
[INFO] [2018-01-09T02:18:52-08:00] Starting miner on devices [0 1 2 3 4 5]
[INFO] [2018-01-09T02:18:53-08:00] Starting miner on device 0...
[INFO] [2018-01-09T02:18:53-08:00] [D0] GPU check watchdog has started
[INFO] [2018-01-09T02:18:53-08:00] Connected to zcl.suprnova.cc:4042
[INFO] [2018-01-09T02:18:53-08:00] Started miner on device 0
[INFO] [2018-01-09T02:18:53-08:00] Subscribed to stratum server
[INFO] [2018-01-09T02:18:53-08:00] Set nonce to 9efbff6f00000000000000006ffffb9d
[INFO] [2018-01-09T02:18:53-08:00] Set target to 0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f00
[INFO] [2018-01-09T02:18:53-08:00] Received new job 1
[INFO] [2018-01-09T02:18:53-08:00] Starting miner on device 1...
[INFO] [2018-01-09T02:18:53-08:00] [D1] GPU check watchdog has started
[INFO] [2018-01-09T02:18:53-08:00] Authorized
[INFO] [2018-01-09T02:19:23-08:00] [GPU 0] Speed: 0.00 Sol/s 0.00 Nonce/s
[INFO] [2018-01-09T02:19:35-08:00] Received new job 2
[INFO] [2018-01-09T02:19:53-08:00] [GPU 0] Speed: 0.00 Sol/s 0.00 Nonce/s
[INFO] [2018-01-09T02:19:59-08:00] Received new job 3
[INFO] [2018-01-09T02:20:23-08:00] [GPU 0] Speed: 0.00 Sol/s 0.00 Nonce/s
[INFO] [2018-01-09T02:20:53-08:00] [GPU 0] Speed: 0.00 Sol/s 0.00 Nonce/s
[INFO] [2018-01-09T02:20:53-08:00] [GPU 0] Speed: 0.00 Sol/s 0.00 Nonce/s
[INFO] [2018-01-09T02:21:23-08:00] [GPU 0] Speed: 0.00 Sol/s 0.00 Nonce/s
[FATA] [2018-01-09T02:21:53-08:00] Irrecoverable errors from miner in GPU 0: GPU hang detected