Solo?
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Windows. Miner and wallet are on the same box. Ive got to be missing something simple, Ive done this before… its not that difficult but for some reason Im failing here.
When I start the miner (cgminer 3.7.7.7b Neoscrypt or sgminer 5.1 i think) I get the same error. “no servers were found to get work from, please check url or credentials.” I know the user/pass is correct, Ive changed it and verified it over and over… nothing. :/
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Try starting sg minder or cgminer with the -D option (debug) and check debug.log in the feathercoin wallet’s data directory, typically .feathercoin (linux) or %appdata%/featheroin (windows).
This gives sufficient information 99% of times
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cgminer crashed with -D but sgminer gave me this output:
[15:30:52] HTTP request failed: The requested URL returned error: 401 [15:30:52] Failed to connect in json_rpc_call [15:30:52] No GBT coinbase + append support found, using getwork protocol [15:30:52] HTTP request failed: The requested URL returned error: 401 [15:30:52] Failed to connect in json_rpc_call [15:30:52] Succeeded delayed connect [15:30:52] Socket closed waiting in recv_line [15:30:52] Closing socket for stratum 127.0.0.1 [15:30:52] Failed to parse a \n terminated string in recv_line [15:30:52] Initiating stratum failed on 127.0.0.1 [15:30:52] Suspending stratum on 127.0.0.1 [15:30:52] Closing socket for stratum 127.0.0.1 [15:30:52] FAILED to retrieve work from 127.0.0.1 [15:30:52] 127.0.0.1 slow/down or URL or credentials invalid -
Double checked everything and changed the username and password to something very simple, user/pass and got this:
[16:57:39] Most likely you have input the wrong URL, forgotten to add a port, or have not set up workers [16:57:39] Pool: 0 URL: http://127.0.0.1:9337 User: user Password: pass [16:57:39] Press any key to exit, or sgminer will try again in 15s. [16:57:54] Testing 127.0.0.1 [16:57:54] Successfully retrieved but FAILED to decipher work from 127.0.0.1 [16:57:55] No servers were found that could be used to get work from. [16:57:55] Please check the details from the list below of the servers you have input [16:57:55] Most likely you have input the wrong URL, forgotten to add a port, or have not set up workers [16:57:55] Pool: 0 URL: http://127.0.0.1:9337 User: user Password: pass [16:57:55] Press any key to exit, or sgminer will try again in 15s. -
I think feathercoins debug.log file will give the information why the connection is not possible, but
Does you feathercoin.conf look similar to this one?
rpcuser=feathercoinrpc
rpcpassword=???daemon=1
server=1
rpcallowip=127.0.0.1especially the rpcallowip is important
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My config is posted above but I also tried copying MrWyrm’s (changing user/pass) and got the same error.
I looked at the debug log the other day and saw mention of an incorrect password however I do not see it now. I’ll look through it a bit closer this evening.
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My working config, is no longer working. It’s like something has changed.
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hm. Ive still never gotten mine to work. I thought about trying with the new core but never did.
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I’m solomining neoscrypt on a testnet right now.
here is my config:
feathercoind.conf:
rpcuser=feathercoinrpc rpcpassword=test rpcallowip=localhost rpcallowip=192.168.0.10 server=1 daemon=1192.168.0.10 is the ip running the miner
using cgminer 3.7.8
cgminer.conf:
{ "pools" : [ { "url" : "http://192.168.0.113:19337", "user" : "feathercoinrpc", "pass" : "test" } ] , "intensity" : "14", "vectors" : "1", "worksize" : "32", "api-mcast-port" : "4028", "api-port" : "4028", "expiry" : "120", "gpu-dyninterval" : "7", "gpu-platform" : "0", "gpu-threads" : "1", "log" : "5", "neoscrypt" : true, "no-pool-disable" : true, "queue" : "0", "scan-time" : "40", "shares" : "0", "kernel-path" : "/usr/local/bin" }It’s an Nvidia card, so don’t trust the GPU related parameter for your card
192.168.0.113 is the IP running the wallet
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the closest thing I can get is this error:
[22:28:37] Setting GPU 0 engine clock to 1025
[22:28:37] Setting GPU 0 memory clock to 1250
[22:28:37] WARNING: GPU_MAX_ALLOC_PERCENT is not specified!
[22:28:37] WARNING: GPU_USE_SYNC_OBJECTS is not specified!
[22:28:37] Probing for an alive pool
[22:28:37] Testing 127.0.0.1
[22:28:37] Probing for GBT support
[22:28:44] No GBT coinbase + append support found, using getwork
[22:28:44] Successfully retrieved but FAILED to decipher work fro
[22:28:44] No suitable long-poll found for http://127.0.0.1:9337 -
I’m out of ideas here :(
The only thind I can add is, that longpoll is not possible with solomining, so you should start with --no-longpoll.
But that will not solve the problem you have.
Stupid question: is your wallet fully synchronized? I asume yes…
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I’m wondering if something has change in a Windows update?
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Have you tried using a proxy between the miner and local wallet?
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Try CPUminer first.
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I have not tried a proxy, the mining system and the system with the feathercoin client are the same system so is this needed?
I tried CPUminer and its working fine.
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I guess I have to make a GPU miner of my own which just works at least.
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Thats the odd part. I can mine on a pool just fine, like p2pool. But if I change the config to point to my own wallet it fails.
Ive also got some old ASICs solo mining bitcoin so I am confident that its possible and that Im capable of doing it… I just dont know what went wrong here. I guess my next try will be with a different computer setup as the miner.
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They don’t support Getwork properly (with or without long polling). Solo mining doesn’t use Stratum.
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I have had a little experience in solo and got the same result (it was error: “no servers were found to get work from, please check url or credentials.”). Then I tried to take another wallet from this https://forum.feathercoin.com/index.php?/topic/8018-dev-feathercoin-core-093-alpha-release/. The error message is gone.
May be something wrong with the oficial wallet?
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I am having the exact same problem. I can pool mine without any issues but solo mining does not work and I have tried every .conf suggestion in these forums.
