Quote from: Unclegogi on August 27, 2017, 05:23:04 PM

I have noticed a bug with combo ETH Miner v9.8 + AMD Blockchain Aug23 driver.
If miner looses connection to a pool, after reconnection hashrate significially drops.
Restarting the miner solves this problem.
Hasrate before reconnection to pool is ~156MH (26MH x 6 cards) and hashrate after reconnection is ~67MH (7, 11, 11, 7, 11, 18MH).
There was no such a problem with same miner and older drivers.

Claymore, I can send you the log, if it is neccessary.

This problem is still reproducible with CDM v10.0 and the same blockchain driver.
Rigs with 16.7.3 driver works well for 500+ hours.

Normal hashrate:
00:26:41:263   12ac   ETH - Total Speed: 157.527 Mh/s, Total Shares: 269, Rejected: 0, Time: 01:38
00:26:41:278   12ac   ETH: GPU0 26.059 Mh/s, GPU1 26.316 Mh/s, GPU2 26.297 Mh/s, GPU3 26.301 Mh/s, GPU4 26.260 Mh/s, GPU5 26.293 Mh/s
00:26:41:278   12ac    DCR - Total Speed: 4410.745 Mh/s, Total Shares: 810, Rejected: 14
00:26:41:310   12ac    DCR: GPU0 729.664 Mh/s, GPU1 736.848 Mh/s, GPU2 736.329 Mh/s, GPU3 736.429 Mh/s, GPU4 735.283 Mh/s, GPU5 736.192 Mh/s

Then miner looses connection to pool:
00:31:41:744   12ac   Socket was closed remotely (by pool)
00:31:41:744   12ac   ETH: Connection lost, retry in 20 sec...
00:31:42:009   1210   Socket was closed remotely (by pool)
00:31:42:025   1210    DCR: Connection lost, retry in 20 sec...

After reconnection hashrate is ~2x lower:
00:33:03:981   12ac   ETH - Total Speed: 70.921 Mh/s, Total Shares: 293, Rejected: 0, Time: 01:44
00:33:03:997   12ac   ETH: GPU0 16.093 Mh/s, GPU1 11.812 Mh/s, GPU2 11.813 Mh/s, GPU3 11.818 Mh/s, GPU4 11.796 Mh/s, GPU5 7.589 Mh/s
00:33:04:044   12ac    DCR - Total Speed: 1985.794 Mh/s, Total Shares: 855, Rejected: 14
00:33:04:060   12ac    DCR: GPU0 450.611 Mh/s, GPU1 330.748 Mh/s, GPU2 330.755 Mh/s, GPU3 330.902 Mh/s, GPU4 330.287 Mh/s, GPU5 212.491 Mh/s
...
after 9 hours nothing changes, hashrate is still low:
09:09:49:724   12ac   ETH - Total Speed: 72.822 Mh/s, Total Shares: 1865, Rejected: 1, Time: 10:21
09:09:49:724   12ac   ETH: GPU0 19.089 Mh/s, GPU1 10.880 Mh/s, GPU2 11.818 Mh/s, GPU3 11.818 Mh/s, GPU4 11.811 Mh/s, GPU5 7.406 Mh/s
09:09:49:739   12ac    DCR - Total Speed: 2039.024 Mh/s, Total Shares: 4561, Rejected: 71
09:09:49:739   12ac    DCR: GPU0 534.490 Mh/s, GPU1 304.646 Mh/s, GPU2 330.906 Mh/s, GPU3 330.900 Mh/s, GPU4 330.707 Mh/s, GPU5 207.375 Mh/s

Does anyone have the same problem?