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    ERROR: CheckBlockHeader() strikes again!

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    • Wellenreiter
      Wellenreiter Moderators last edited by Wellenreiter

      @cryptogrinder said in ERROR: CheckBlockHeader() strikes again!:

      can you try with ccminer or cgminer against my pool?.. maybe you could spot some weird stuff…

      Mining with sgminer now. No issues so far:

      sgminer 5.1.0-dev-3-gfa9eb - Started: [2017-09-14 15:59:51] - [0 days 00:08:17]
--------------------------------------------------------------------------------
(4s):4.789K (avg):4.683Kh/s | A:46  R:0  HW:0  WU:0.852/m
ST: 0  SS: 0  NB: 8  LW: 496  GF: 0  RF: 0
Connected to cryptogrinder.com (stratum) diff 6.554 as user xxxxxxxxxxxxxxxxxx+0.0001
Block: 60deda4b...  Diff:1.82M  Started: [16:08:02]  Best share: 71

      100% shares accepted so far (accepted 46 rejected 0)

      Feathercoin development donation address: 6p8u3wtct7uxRGmvWr2xvPxqRzbpbcd82A
      Openpgp key: 0x385C34E77F0D74D7 (at keyserver.ubuntu.com)/fingerprint: C7B4 E9EA 17E1 3D12 07AB 1FDB 385C 34E7 7F0D 74D7

      1 Reply Last reply Reply Quote 1
      • Wellenreiter
        Wellenreiter Moderators last edited by Wellenreiter

        I had my sgminer running for 39 minutes and no rejected shares at all.
        Unfortunately I can’t get nsgminer working for neoscrypt on m system

        update:

        [17:18:44] Accepted 03da6390 Diff 0.260/0.153 GPU 0
[17:18:51] Accepted 02722cb1 Diff 0.409/0.153 GPU 0
[17:18:55] Accepted 014793ef Diff 0.781/0.153 GPU 0
[17:18:56] Accepted 039c1fed Diff 0.277/0.153 GPU 0
[17:18:57] Accepted 5510c1cb Diff 3.009/0.153 GPU 0
[17:19:02] Accepted 04d96299 Diff 0.206/0.153 GPU 0
[17:19:09] Accepted 05816d09 Diff 0.256/0.153 GPU 0
[17:19:13] Stratum connection to cryptogrinder.com interrupted
[17:19:13] cryptogrinder.com difficulty changed to 0.153
[17:19:18] Rejected 04bdd5b9 Diff 0.211/0.153 GPU 0
[17:19:20] Rejected 02651b9a Diff 0.418/0.153 GPU 0
[17:19:21] Rejected 03fd38c4 Diff 0.251/0.153 GPU 0
[17:19:23] Stratum connection to cryptogrinder.com interrupted
[17:19:23] cryptogrinder.com difficulty changed to 0.153
[17:19:28] Accepted 04fdf0b9 Diff 0.200/0.153 GPU 0
[17:19:34] Stratum connection to cryptogrinder.com interrupted
[17:19:34] cryptogrinder.com difficulty changed to 0.153
[17:19:42] Accepted 01a06e94 Diff 0.615/0.153 GPU 0
[17:19:42] Stratum connection to cryptogrinder.com interrupted
[17:19:42] cryptogrinder.com difficulty changed to 0.153

        as you can see there are some rejected shares after an interrupted stratum connection.

        My miner reports a rejection rate of 11.5% and your pool node reports a DOA of ~39%

        Connection interruptions can be caused by the host you are running your p2pool node on, or connectivity problems to the pool node.

        Feathercoin development donation address: 6p8u3wtct7uxRGmvWr2xvPxqRzbpbcd82A
        Openpgp key: 0x385C34E77F0D74D7 (at keyserver.ubuntu.com)/fingerprint: C7B4 E9EA 17E1 3D12 07AB 1FDB 385C 34E7 7F0D 74D7

        1 Reply Last reply Reply Quote 0
        • Wellenreiter
          Wellenreiter Moderators last edited by

          I just compared your p2pool version with the latest one on github, which is

          v15.0-28-g6d59072

          can you pull the latest version, do a ‘git checkout master’

          and restart your pool?

          There are some fixes in the latest version.

          Feathercoin development donation address: 6p8u3wtct7uxRGmvWr2xvPxqRzbpbcd82A
          Openpgp key: 0x385C34E77F0D74D7 (at keyserver.ubuntu.com)/fingerprint: C7B4 E9EA 17E1 3D12 07AB 1FDB 385C 34E7 7F0D 74D7

          1 Reply Last reply Reply Quote 1
          • Wellenreiter
            Wellenreiter Moderators last edited by

            Stopped my miner now.

            Final Statictics:

            [17:33:32] Started at [2017-09-14 16:57:26]                    
[17:33:32] Pool: stratum+tcp://cryptogrinder.com:19327                    
[17:33:32] Runtime: 0 hrs : 36 mins : 6 secs                    
[17:33:32] Average hashrate: 2.4 Kilohash/s                    
[17:33:32] Solved blocks: 0                    
[17:33:32] Best share difficulty: 54                    
[17:33:32] Share submissions: 528                    
[17:33:32] Accepted shares: 434                    
[17:33:32] Rejected shares: 94                    
[17:33:32] Accepted difficulty shares: 67                    
[17:33:32] Rejected difficulty shares: 15                    
[17:33:32] Reject ratio: 17.8%                    
[17:33:32] Hardware errors: 0                    
[17:33:32] Utility (accepted shares / min): 12.03/min                    
[17:33:32] Work Utility (diff1 shares solved / min): 2.24/min
                
[17:33:32] Stale submissions discarded due to new blocks: 2                    
[17:33:32] Unable to get work from server occasions: 117                    
[17:33:32] Work items generated locally: 1823                    
[17:33:32] Submitting work remotely delay occasions: 2                    
[17:33:32] New blocks detected on network: 35

            I think the reason for the high rejection rate are the interruptions miner to p2pool connection

            Feathercoin development donation address: 6p8u3wtct7uxRGmvWr2xvPxqRzbpbcd82A
            Openpgp key: 0x385C34E77F0D74D7 (at keyserver.ubuntu.com)/fingerprint: C7B4 E9EA 17E1 3D12 07AB 1FDB 385C 34E7 7F0D 74D7

            1 Reply Last reply Reply Quote 1
            • cryptogrinder
              cryptogrinder last edited by

              pulled… restarted… here’s my output before restart:

              [17:28:28] Stratum from pool 0 detected new block
              [17:28:33] Rejected 64915371FFA30300x0 Diff 0.017/0.010 OCL 0
              [17:28:35] Rejected 89FEF1681A1E0100x0 Diff 0.056/0.010 OCL 0
              [17:28:36] The network difficulty has been set to 55348
              [17:28:36] Stratum from pool 0 detected new block
              [17:28:41] Rejected DB8E21281D3F0300x0 Diff 0.019/0.010 OCL 0
              [17:28:42] Rejected B7D87F8A64E20500x0 Diff 0.011/0.010 OCL 0
              [17:28:43] Rejected 2876E7D0C6F00000x0 Diff 0.066/0.010 OCL 0
              [17:28:44] Rejected 8C5969D1C1200100x0 Diff 0.055/0.010 OCL 0
              [17:28:44] Rejected 1D5183AA96410400x0 Diff 0.015/0.010 OCL 0
              [17:28:45] Rejected 1BC0FD6F45F30300x0 Diff 0.016/0.010 OCL 0
              [17:28:47] Rejected A1D2B7B2F4B20200x0 Diff 0.023/0.010 OCL 0
              [17:28:47] Rejected CF5594B850070400x0 Diff 0.016/0.010 OCL 0
              [17:28:48] Rejected D1100987CB250300x0 Diff 0.020/0.010 OCL 0
              [17:28:48] Rejected 05052BE82C6C0100x0 Diff 0.044/0.010 OCL 0
              [17:28:50] Rejected 04DE72E307800500x0 Diff 0.011/0.010 OCL 0
              [17:28:50] Rejected E889072CFD9A0100x0 Diff 0.039/0.010 OCL 0
              [17:28:52] Rejected 801262238E7B0500x0 Diff 0.011/0.010 OCL 0
              [17:28:52] Rejected 8552131FF24A0000x0 Diff 0.213/0.010 OCL 0
              [17:28:52] Rejected 1E43E92F84950400x0 Diff 0.014/0.010 OCL 0
              [17:28:53] Rejected 1E1F61E97F1B0000x0 Diff 0.582/0.010 OCL 0
              [17:28:53] Rejected 662F697BC92C0400x0 Diff 0.015/0.010 OCL 0
              [17:28:54] Rejected 6ECAF47D541F0500x0 Diff 0.012/0.010 OCL 0
              [17:28:54] Rejected F89EBF7D47BC0300x0 Diff 0.017/0.010 OCL 0
              [17:28:55] Rejected DB862625BB020000x0 Diff 5.859/0.010 OCL 0
              [17:28:55] Rejected 4424037FD01D0100x0 Diff 0.056/0.010 OCL 0
              [17:28:57] Rejected 2FB7B6CB9EEB0500x0 Diff 0.011/0.010 OCL 0
              [17:28:58] Rejected 98694B70E4200200x0 Diff 0.029/0.010 OCL 0
              [17:28:58] Rejected 9047B9F2671C0000x0 Diff 0.563/0.010 OCL 0
              [17:29:00] Rejected DC08286149C40100x0 Diff 0.035/0.010 OCL 0
              [17:29:00] Rejected 9529270E5CB40200x0 Diff 0.023/0.010 OCL 0
              [17:29:00] Rejected 563DE2657EB10300x0 Diff 0.017/0.010 OCL 0
              [17:29:01] Rejected 553CF08427280400x0 Diff 0.015/0.010 OCL 0
              [17:29:01] Rejected 52E92E4A92AE0300x0 Diff 0.017/0.010 OCL 0
              [17:29:01] Rejected FB0A25159E480400x0 Diff 0.015/0.010 OCL 0
              [17:29:02] Rejected DEE3E2C8683E0400x0 Diff 0.015/0.010 OCL 0
              [17:29:02] Rejected B45C8DE51D6A0100x0 Diff 0.044/0.010 OCL 0
              [17:29:02] Rejected 0EB30803A0CC0000x0 Diff 0.078/0.010 OCL 0
              [17:29:02] Rejected AFA2AF7E0EF10300x0 Diff 0.016/0.010 OCL 0
              [17:29:03] Rejected FE281D4A5EF30100x0 Diff 0.032/0.010 OCL 0
              [17:29:03] Rejected 0AFBE293EB750400x0 Diff 0.014/0.010 OCL 0
              [17:29:04] The network difficulty has been set to 63537
              [17:29:04] Stratum from pool 0 detected new block
              [17:29:10] Accepted 566A2FC054A10400x0 Diff 0.013/0.012 OCL 0
              [17:29:10] Accepted 1A54F903102C0100x0 Diff 0.053/0.012 OCL 0
              [17:29:10] Accepted 97951872BB360400x0 Diff 0.015/0.012 OCL 0
              [17:29:11] Accepted EF5C70D3BC0E0200x0 Diff 0.030/0.012 OCL 0
              [17:29:11] Accepted 5A4A97B8BCEF0300x0 Diff 0.016/0.012 OCL 0
              [17:29:15] Pool 0 stale share detected, submitting as user requested
              [17:29:15] Pool 0 stratum share submission failure
              [17:29:15] The network difficulty has been set to 68076
              [17:29:15] Stratum from pool 0 detected new block
              [17:29:21] Pool 0 communication resumed, submitting work
              [17:29:21] Rejected 5EFFC0A751EF0000x0 Diff 0.067/0.014 OCL 0
              [17:29:21] Rejected 7BB750DF7FF60200x0 Diff 0.021/0.014 OCL 0
              [17:29:23] Rejected EE9F27C7CC280300x0 Diff 0.020/0.014 OCL 0
              [17:29:25] Rejected 1E7ED1DDEC440000x0 Diff 0.232/0.014 OCL 0
              [17:29:27] Rejected D9CD224D743C0200x0 Diff 0.028/0.014 OCL 0
              [17:29:28] Rejected A6CF638C84610400x0 Diff 0.014/0.014 OCL 0
              [17:29:28] Rejected 581008EECD660400x0 Diff 0.014/0.014 OCL 0
              [17:29:30] Rejected CD90DDA16E450000x0 Diff 0.230/0.014 OCL 0
              [17:29:31] Rejected A456B62B00F70200x0 Diff 0.021/0.014 OCL 0
              [17:29:35] Thread 0 being disabled U:0.03/m
              [17:29:36]
              Summary of runtime statistics:

              [17:29:36] Started at [2017-09-14 17:26:55]
              [17:29:36] Pool: http://cryptogrinder.com:19327
              [17:29:36] Run time: 0 hrs 2 mins 40 secs
              [17:29:36] Average hash rate: 0.0083 MH/s
              [17:29:36] Solved blocks: 0
              [17:29:36] Best share difficulty: 6
              [17:29:36] Queued work requests: 11
              [17:29:36] Share submissions: 139
              [17:29:36] Accepted shares: 6
              [17:29:36] Rejected shares: 133
              [17:29:36] Accepted diff1 shares: 0
              [17:29:36] Rejected diff1 shares: 1
              [17:29:36] Reject ratio: 95.7%
              [17:29:36] Hardware errors: 0
              [17:29:36] Efficiency (accepted shares * difficulty / 2 KB): 0.00
              [17:29:36] Utility (accepted shares / min): 0.00/min
              [17:29:36] Work Utility (diff1 shares accepted / min): 0.00/min

              [17:29:36] Discarded work due to new blocks: 0
              [17:29:36] Stale submissions discarded due to new blocks: 1
              [17:29:36] Unable to get work from server occasions: 9
              [17:29:36] Work items generated locally: 50
              [17:29:36] Submitting work remotely delay occasions: 1
              [17:29:36] New blocks detected on network: 10

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              • cryptogrinder
                cryptogrinder last edited by

                after restart and git pull the dao seems very low again

                1 Reply Last reply Reply Quote 0
                • cryptogrinder
                  cryptogrinder last edited by

                  based on output it’s fine now… :) so thanks a lot. but not sure what was the problem… ?!

                  Summary of runtime statistics:

                  [12:39:24] Started at [2017-09-15 11:48:54]
                  [12:39:24] Pool: http://cryptogrinder.com:19327
                  [12:39:24] Run time: 0 hrs 50 mins 29 secs
                  [12:39:24] Average hash rate: 0.0117 MH/s
                  [12:39:24] Solved blocks: 0
                  [12:39:24] Best share difficulty: 28
                  [12:39:24] Queued work requests: 213
                  [12:39:24] Share submissions: 2981
                  [12:39:24] Accepted shares: 2963
                  [12:39:24] Rejected shares: 18
                  [12:39:24] Accepted diff1 shares: 33
                  [12:39:24] Rejected diff1 shares: 0
                  [12:39:24] Reject ratio: 0.6%
                  [12:39:24] Hardware errors: 0
                  [12:39:24] Efficiency (accepted shares * difficulty / 2 KB): 0.05
                  [12:39:24] Utility (accepted shares / min): 0.02/min
                  [12:39:24] Work Utility (diff1 shares accepted / min): 0.00/min

                  [12:39:24] Discarded work due to new blocks: 417
                  [12:39:24] Stale submissions discarded due to new blocks: 0
                  [12:39:24] Unable to get work from server occasions: 0
                  [12:39:24] Work items generated locally: 832
                  [12:39:24] Submitting work remotely delay occasions: 0
                  [12:39:24] New blocks detected on network: 47

                  Wellenreiter 1 Reply Last reply Reply Quote 1
                  • Wellenreiter
                    Wellenreiter Moderators @cryptogrinder last edited by

                    @cryptogrinder said in ERROR: CheckBlockHeader() strikes again!:

                    but not sure what was the problem… ?!

                    It was a bug in the adaptive behavior of the p2pool software.

                    Feathercoin development donation address: 6p8u3wtct7uxRGmvWr2xvPxqRzbpbcd82A
                    Openpgp key: 0x385C34E77F0D74D7 (at keyserver.ubuntu.com)/fingerprint: C7B4 E9EA 17E1 3D12 07AB 1FDB 385C 34E7 7F0D 74D7

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                    • C
                      coutinho newbies last edited by

                      This post is deleted!
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                      • cryptogrinder
                        cryptogrinder last edited by

                        @coutinho thanks for the info… very very helpful for ftc

                        @Wellenreiter just send you 100ftc as an appreciation… not much but at least smthng

                        1 Reply Last reply Reply Quote 4
                        • Wellenreiter
                          Wellenreiter Moderators last edited by

                          @cryptogrinder

                          Many thanks :)

                          You also helped the community by bringing up the problem and verifying that the problem is fixed in the last p2pool code, so it’s on me to thank you.

                          Feathercoin development donation address: 6p8u3wtct7uxRGmvWr2xvPxqRzbpbcd82A
                          Openpgp key: 0x385C34E77F0D74D7 (at keyserver.ubuntu.com)/fingerprint: C7B4 E9EA 17E1 3D12 07AB 1FDB 385C 34E7 7F0D 74D7

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