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Author Topic: [1050 TH] BitMinter.com [1% PPLNS,Pays TxFees +MergedMining,Stratum,GBT,vardiff]  (Read 834530 times)
willphase
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December 10, 2012, 06:17:23 PM
 #2261

EDIT: changed my miner version back to prior to stratum so I'm back to LP and it seems to work now so something is up with me and stratum at the moment... Can you clarify the port I'm supposed to use with bfgminer 2.9.4 or a specific cgminer version that might work better?

It's 3333 or 5050. So you can use --url stratum+tcp://mint.bitminter.com:3333

It looks like you have a gap where you were not mining from last night till this morning (euro time). Looks like you fell out around the time I did a pool server restart. I have heard of miners crashing when the pool disconnects them, although I think it's rare. It could also be that it stayed on a failover pool and didn't switch back?

What exact problems or errors are you seeing when you use stratum? And was the miner crashed in this instance, or did you see anything else to explain why it wasn't mining?


I'm just using commandline:

-o http://mint.bitminter.com:8332

without any stratum specified - but it says at the top that I'm using 'stratum' so I must be.

I noticed this morning and tried restarting, the blocks were successfully submitting and I was getting 'Accepted' and my miner was reporting normal hash rate, but nothing was showing on bitminter - which is odd - so as I had to go to work I just flipped to the old version (same commandline, but it uses LP instead)

I'm now back from work, and I switched the version back again - and it's back to using stratum and now the blocks are being accepted.  I seem to remember getting something about there being nothing in the block header when I restarted this morning, but do not have the logs for that.

Anyway - all fixed now... I think I missed mining around 1.3 btc so I just bet (and won) on satoshidice... so no loss Smiley

Will

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AfricanHunter
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December 11, 2012, 04:56:27 AM
 #2262

So assuming ASICS ship first half of January, do I need to get cgminer setup or will the GUI support it by then? Or do you think Getwork with rollntime will be sufficient for a few Single SC's?

My goal is for BitMinter client to work with BFL SCs from the day you receive them. If I don't have time for everything then that will be with getwork with rollntime. That's good enough for running ASICs. It doesn't allow you to inspect blocks like GBT or give you the low bandwidth usage of Stratum, but it certainly works.

When it comes to bASIC it looks like I won't have remote access to any units until miners have them. It also looks like it will be more complex to add support for them than the BFL units. That means if you ordered bASIC you will want to find a miner that will support them from day 1 so your bASIC doesn't sit idle.

Avalon, from what I understand, comes with a (tiny) computer with preinstalled software. You just plug it in and it runs.

If I will need to use a miner other than the Bitminter app, what do you recommend for BFL equipment? Before bitminter I was using GUIMiner but was getting some strange bugs.

I don't think I want to go there. The GBT versus Stratum discussions are bad enough. If you ordered bASIC then you will probably want to check the bASIC forums to see which miner authors they are working with to get support from day 1.


Thanks Doc! I have only purchased bfl gear in part due to the issues you mentioned so good to get validation I likely made the right choice.

Can anyone point me in the right direction to read up on gbt vs stratum/etc?

Thanks again all.

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December 11, 2012, 10:11:11 PM
 #2263

Bitminter.com seems to be down. Anyone confirm?
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December 11, 2012, 10:12:11 PM
 #2264

It is for me.

So, what's new?
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December 11, 2012, 10:12:33 PM
 #2265

something wrong with the site?

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December 11, 2012, 10:21:10 PM
 #2266

came back up for me

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December 11, 2012, 11:20:06 PM
 #2267

Sorry for the short downtime. There was an issue with bitcoind which had to be restarted.

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December 12, 2012, 07:17:30 AM
 #2268

Is something going on with the pool? I am connected on the GUI using 1.3.0 mining with 1 7970 and 1 Single on this worker. I noticed my shares per shift and GH/S were a bit low(in stats) so looked at the bitminter client.

My single was running about hlf speed so I power cycled it and started again. When it came up it showed 1265 MH/s (over 150% normal) for the single for about 5 seconds, then dropped to 350mh/s and kept dropping. Stopped it at 250MH/s and ran a diagnostic with EasyMiner which showed all normal. Just reflashed the firmware and restarted bitminter client, seems like it is working ok now but kinda strange.

Ever hear of something like this?


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December 12, 2012, 08:48:22 AM
 #2269

Is something going on with the pool? I am connected on the GUI using 1.3.0 mining with 1 7970 and 1 Single on this worker. I noticed my shares per shift and GH/S were a bit low(in stats) so looked at the bitminter client.

My single was running about hlf speed so I power cycled it and started again. When it came up it showed 1265 MH/s (over 150% normal) for the single for about 5 seconds, then dropped to 350mh/s and kept dropping. Stopped it at 250MH/s and ran a diagnostic with EasyMiner which showed all normal. Just reflashed the firmware and restarted bitminter client, seems like it is working ok now but kinda strange.

Ever hear of something like this?


Yep quite a while back one of the two FPGAs in my BFL became randomly unreliable using the 832 bitstream.
Sometimes completely stopped mining in half the device.
Flashed it up to 880 (after messing with cgminer code and the device over a few weeks)
After reflash it was OK for a while then failed again.
2nd reflash and no problems since.
So ... yep that can cause a drop to half Smiley

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December 13, 2012, 08:17:29 AM
 #2270

Is something going on with the pool? I am connected on the GUI using 1.3.0 mining with 1 7970 and 1 Single on this worker. I noticed my shares per shift and GH/S were a bit low(in stats) so looked at the bitminter client.

My single was running about hlf speed so I power cycled it and started again. When it came up it showed 1265 MH/s (over 150% normal) for the single for about 5 seconds, then dropped to 350mh/s and kept dropping. Stopped it at 250MH/s and ran a diagnostic with EasyMiner which showed all normal. Just reflashed the firmware and restarted bitminter client, seems like it is working ok now but kinda strange.

Ever hear of something like this?


Yep quite a while back one of the two FPGAs in my BFL became randomly unreliable using the 832 bitstream.
Sometimes completely stopped mining in half the device.
Flashed it up to 880 (after messing with cgminer code and the device over a few weeks)
After reflash it was OK for a while then failed again.
2nd reflash and no problems since.
So ... yep that can cause a drop to half Smiley

Weird but seems to have gone away after reflash. I contacted bfl as now my fan is noisy and temp up by 2 degrees (still within normal range) so they are sending me a new fan and some thermal paste to refit the sink. Dont think the two issues are related but odd none the less.

Did you contact bfl about it and if so what was their response?

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kano
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December 13, 2012, 10:54:11 AM
 #2271

...

Weird but seems to have gone away after reflash. I contacted bfl as now my fan is noisy and temp up by 2 degrees (still within normal range) so they are sending me a new fan and some thermal paste to refit the sink. Dont think the two issues are related but odd none the less.

Did you contact bfl about it and if so what was their response?
Can't remember - probably not.

However, I contacted them when I first got the BFL coz it took 8 hours to 'burn in' but after that was OK until the problem much later.
The first day problems were most likely the heat sink since it rattled when I first got it - and running hot for 8 hours probably helped reseat it properly Smiley

The later problem went something like this:
damn it having problems, spent a week (or 2 or ?) messing with the cgminer code sometimes mining full speeds, sometimes half speed (power cycles sometimes helped) then finally decided, stuff this I'll put in a fast bitstream and see how long it takes to kill it Cheesy
880 didn't kill it Tongue I'm still using the 880.

I also found that with the 880 bitstream it worked at a much higher reported temperature without throttling.
At the moment it says 61.5C (when I first got the BFL it throttled around 50C with the 832 bitstream)

Last time it throttled/had a comm error was ... 8-Nov ... had 8 that day coz it was very hot here (it's now summer)
Previous was 16-Oct - 3 times - was a hot early evening and that's the time it throttled also.

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December 14, 2012, 04:27:37 AM
 #2272

Tried one of the faster streams a while back but was throttling bad, may try the others based on what you report. Also going to replace the fan and redo the thermal compound. If you have any ideas I'm all ears.

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December 16, 2012, 05:28:52 AM
 #2273

Sorry, a technical issue made the pool unstable (many failed connection attempts if you didn't already have an active connection). Now fixed.

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juhakall
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December 16, 2012, 04:40:01 PM
 #2274

Looks like it's down / unstable again.

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willphase
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December 16, 2012, 04:41:10 PM
 #2275

Looks like it's down / unstable again.

indeed - it does appear to be down.

Will

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December 16, 2012, 09:50:12 PM
 #2276

Apologies for downtime earlier today. I was away and had to use a cell phone to get things going again. Haven't really been able to investigate the issue much yet. But it seems to be running smoothly again after the restart. What I can say is that namecoind had crashed (as usual), but there must have been something more wrong.

Today's insight into networking magic for the techies:
One weird new thing I have learned about Linux/TCP lately. If namecoind is down and a process tries to connect to it, then Linux may pick the destination port to also be the source port for the connection. If this happens when connecting to localhost then the socket will connect to itself. Yes, even though you were connecting, not listening. After that the pool thinks it is talking to namecoind, but for every HTTP request it sends it doesn't get an HTTP response back, it gets its own HTTP request back. It is talking to itself. A real pain, and very odd behavior by the network stack in my opinion, whether it is by TCP specs or not.

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December 16, 2012, 11:16:58 PM
 #2277

Apologies for downtime earlier today. I was away and had to use a cell phone to get things going again. Haven't really been able to investigate the issue much yet. But it seems to be running smoothly again after the restart. What I can say is that namecoind had crashed (as usual), but there must have been something more wrong.

Today's insight into networking magic for the techies:
One weird new thing I have learned about Linux/TCP lately. If namecoind is down and a process tries to connect to it, then Linux may pick the destination port to also be the source port for the connection. If this happens when connecting to localhost then the socket will connect to itself. Yes, even though you were connecting, not listening. After that the pool thinks it is talking to namecoind, but for every HTTP request it sends it doesn't get an HTTP response back, it gets its own HTTP request back. It is talking to itself. A real pain, and very odd behavior by the network stack in my opinion, whether it is by TCP specs or not.


Seems like we are having an unusual amount of downtime, or is it just my imagination? If not imagining it, any idea on wheat the cause is?

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December 16, 2012, 11:48:42 PM
 #2278

Seems like we are having an unusual amount of downtime, or is it just my imagination? If not imagining it, any idea on wheat the cause is?

The last downtime looks to be the issue with the socket connecting to itself after namecoind goes down. That's the second time this has happened.

namecoind is being monitored and will attempt to restart. But in the meantime the pool keeps retrying to establish contact with namecoind. If namecoind doesn't come back up soon enough it can happen that Linux picks the source port to be the same as the destination port, as I attempted to explain in the previous message. Then the pool connects to itself and gets a bit confused. Also namecoind is unable to start after that because the port is already in use.

I can work around this issue so it won't happen anymore. I will also make the pool service more robust (regarding crashing coin backends) and add a semi-intelligent automatic restart of the pool service if it ceases to function properly.

This should allow to keep merged mining of the unmaintained and constantly crashing namecoin, without the stability issues for the pool. I can hear some of you saying "just kill namecoin". But as long as they are a decent income boost it makes sense to keep them, right? That's assuming I can isolate the bugs in namecoin to just the namecoin side of mining and keep the pool itself stable.

I do fear namecoin is dying though, after all its developers abandoned it. To all developers making me-too coins: become a namecoin dev instead, it makes more sense.

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December 16, 2012, 11:56:39 PM
 #2279

I can hear some of you saying "just kill namecoin". But as long as they are a decent income boost it makes sense to keep them, right?
They are? I didn't notice...
If (or when) there's a merged-minable coin that makes sense to have, I plan to implement merged-mining in BFGMiner using GBT, so miners don't need to depend on their Bitcoin pool for it. Wink

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December 17, 2012, 12:38:33 AM
 #2280

I can hear some of you saying "just kill namecoin". But as long as they are a decent income boost it makes sense to keep them, right?
They are? I didn't notice...
If (or when) there's a merged-minable coin that makes sense to have, I plan to implement merged-mining in BFGMiner using GBT, so miners don't need to depend on their Bitcoin pool for it. Wink


 so you think  namecoins are not worthwhile? maybe you are correct.

right now I am earning quite a few quite quickly.

I figure about 8 to 9 nmc for each btc.  

I earn 1 btc a day and lets say 9 nmc a day. so every 22 days = 200nmc or a bitcoin/

 so in a year 17 btc. or about 225 usd or half of one of my 16 gpus.

 also lets me sit on them and hope for a rate shift with little risk.


 the question is what are they costing me in down time.

I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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