[X] This is not a security-related bug/issue. If it is, please follow please follow the security policy.
[X] This is not a question or a support request. If you have any lotus related questions, please ask in the lotus forum.
[X] This is not a new feature request. If it is, please file a feature request instead.
[X] This is not an enhancement request. If it is, please file a improvement suggestion instead.
[X] I have searched on the issue tracker and the lotus forum, and there is no existing related issue or discussion.
[X] I am running the Latest release, or the most recent RC(release canadiate) for the upcoming release or the dev branch(master), or have an issue updating to any of these.
[X] I did not make any code changes to lotus.
Lotus component
[X] lotus daemon - chain sync
[X] lotus miner - mining and block production
[ ] lotus miner/worker - sealing
[ ] lotus miner - proving(WindowPoSt)
[ ] lotus miner/market - storage deal
[ ] lotus miner/market - retrieval deal
[ ] lotus miner/market - data transfer
[ ] lotus client
[ ] lotus JSON-RPC API
[ ] lotus message management (mpool)
[ ] Other
Lotus Version
$ lotus-miner version
Daemon: 1.13.0-rc2+mainnet+git.530011fd0+api1.2.0
Local: lotus-miner version 1.13.0-rc2+mainnet+git.530011fd0
$ lotus version
Daemon: 1.13.0-rc2+mainnet+git.530011fd0+api1.4.0
Local: lotus version 1.13.0-rc2+mainnet+git.530011fd0
Since this is related to gpu, here are additional information:
CPU: AMD EPYC 7601 32-Core Processor x 2
GPU: RTX 2080 Ti
Describe the Bug
Found out today that the miner won a block but the block production took longer than expected.
The miner reported an issue "CAUTION: block production took longer than the block delay. Your computer may not be fast enough to keep up". and then said "mined block in the past". It said took about 43 seconds.
I know it's not the computer performance because it mined another block later took 3 seconds. The question is: what was the mining doing causing 43 seconds to work on the mined block.
So I searched the proofing logs but found the winning_post start but didn't see the winning_post finish:
Checklist
Latest release
, or the most recent RC(release canadiate) for the upcoming release or the dev branch(master), or have an issue updating to any of these.Lotus component
Lotus Version
Since this is related to gpu, here are additional information:
Describe the Bug
Found out today that the miner won a block but the block production took longer than expected.
The miner reported an issue "CAUTION: block production took longer than the block delay. Your computer may not be fast enough to keep up". and then said "mined block in the past". It said took about 43 seconds.
I know it's not the computer performance because it mined another block later took 3 seconds. The question is: what was the mining doing causing 43 seconds to work on the mined block.
So I searched the proofing logs but found the winning_post start but didn't see the winning_post finish:
$ journalctl -n 200000 -u lotusminer.service | grep -ai generate_winning_post
please note: the highlighted winning_post didn't have the finish statement. Did the winning_post crash?
Logging Information
Repo Steps