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Author Topic: GekkoScience 2Pac BM1384 Stickminer Official Support Thread  (Read 145916 times)
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crishouse
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February 28, 2018, 11:13:42 PM
 #1661

My R PI cannot seem to run for more that 24 hours without freezing. It's running the https://github.com/vthoang/cgminer miner. Once it crashes, I obviously cannot ssh into it. I just cycle the power on it and restart the miner program. It's kind of annoying.

I find the thermal sink to be warmer than usual. I have tried a fresh install with a nicer SD card, but it didn't help. I also run BFG miner running moonlanders which has never crashed in the weeks I've been running it. Are there other miner programs I could use to run Gekko 2Pacs? Any other ideas to improve the stability would be much appreciated. I have dealt with USB power issues, but I don't think that would cause the RPI to lock up.

Which distribution are you running on your pi, and what kind of power supply are you running the _pi_ with.  I assume you have the 2pacs in a seperate, powered hub (2Pacs NOT plugged into the RPI, but plugged into a hub).

Thanks for the response. The RPI run the latest RASPBIAN STRETCH WITH DESKTOP with Pluggable powered USB
https://plugable.com/products/usb3-hub7bc

I think the issue is related to the way I'm launching it. I was using Minera for a while, which had the same issue. I was launching vt's cgminer via ssh same way Minera would, like this...

screen -dmS gekko sudo cgminer-vthoang --gekko-2pac-freq 190 -c vt-miner-conf.json

where  vt-miner-conf.json looks like this.

{
    "api-listen": true,
    "api-allow": "W:127.0.0.1",
    "log-file": "\/home\/pi\/cgminer-vthoang.log",
    "pools": [
        {
            "url": "stratum+tcp:\/\/us.multipool.us: 3332",
            "user": "crishouse.tupac",
            "pass": "123"
        }]
}

I have stopped using the -c and instead launch it directly with -o, and it hasn't crashed since.
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haleyma
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March 01, 2018, 03:08:14 PM
 #1662

Are you passing in --gekko-2pac-freq or gekko-compac-freq? Because these are 2Pacs so they want the 2Pac flag.

Thank you.
I am passing in --gekko-2pac-freq 150, but the pi terminal display says they are working at 100MZ.  I'm okay with that.  Suppose it could be a potentiometer issue, but after I set both sticks with the pots at "flat side at 3'oclock" they are functioning and I don't know if I want to mess with that.


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March 01, 2018, 04:50:45 PM
 #1663

@crishouse: Did you try this?

My R PI cannot seem to run for more that 24 hours without freezing. It's running the https://github.com/vthoang/cgminer miner. Once it crashes, I obviously cannot ssh into it. I just cycle the power on it and restart the miner program. It's kind of annoying.

I find the thermal sink to be warmer than usual. I have tried a fresh install with a nicer SD card, but it didn't help. I also run BFG miner running moonlanders which has never crashed in the weeks I've been running it. Are there other miner programs I could use to run Gekko 2Pacs? Any other ideas to improve the stability would be much appreciated. I have dealt with USB power issues, but I don't think that would cause the RPI to lock up.
Try this:
https://bitcointalk.org/index.php?topic=494625.msg5932931#msg5932931

It helped solving the same issue for me.

GEBucky
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March 02, 2018, 03:49:31 AM
 #1664

So when they forked Litecoin, did they also change the algorithm from SHA256 to Scrypt?

Yes - LCC is SHA and it's a scam so careful with it.
GEBucky
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March 02, 2018, 03:52:13 AM
 #1665

@crishouse: Did you try this?

My R PI cannot seem to run for more that 24 hours without freezing. It's running the https://github.com/vthoang/cgminer miner. Once it crashes, I obviously cannot ssh into it. I just cycle the power on it and restart the miner program. It's kind of annoying.

I find the thermal sink to be warmer than usual. I have tried a fresh install with a nicer SD card, but it didn't help. I also run BFG miner running moonlanders which has never crashed in the weeks I've been running it. Are there other miner programs I could use to run Gekko 2Pacs? Any other ideas to improve the stability would be much appreciated. I have dealt with USB power issues, but I don't think that would cause the RPI to lock up.
Try this:
https://bitcointalk.org/index.php?topic=494625.msg5932931#msg5932931

It helped solving the same issue for me.
That is weird. If you have latest pulls on both the PI operating system, and CGminer vthoang it should be fine. I have 18 running on an Eyeboot and they have been running for 2 weeks without an issue at 200 freq (have two artic fans on them). Make sure you read above on the syntax for the --gekko.
GEBucky
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March 02, 2018, 03:55:10 AM
 #1666

@crishouse: Did you try this?

My R PI cannot seem to run for more that 24 hours without freezing. It's running the https://github.com/vthoang/cgminer miner. Once it crashes, I obviously cannot ssh into it. I just cycle the power on it and restart the miner program. It's kind of annoying.

I find the thermal sink to be warmer than usual. I have tried a fresh install with a nicer SD card, but it didn't help. I also run BFG miner running moonlanders which has never crashed in the weeks I've been running it. Are there other miner programs I could use to run Gekko 2Pacs? Any other ideas to improve the stability would be much appreciated. I have dealt with USB power issues, but I don't think that would cause the RPI to lock up.
Try this:
https://bitcointalk.org/index.php?topic=494625.msg5932931#msg5932931

It helped solving the same issue for me.
That is weird. If you have latest pulls on both the PI operating system, and CGminer vthoang it should be fine. I have 18 running on an Eyeboot and they have been running for 2 weeks without an issue at 200 freq (have two artic fans on them). Make sure you read above on the syntax for the --gekko.

I would also be careful trying to run Moonlanders and 2pacs on the same machine. Certainly doesn't work on Mac as the Moonlander workaround for drivers makes it impossible to run 2Pacs on same machine. I suspect you might be having some USB driver incompatibilities if you tried to download both drivers on the same Pi - that's a guess. I have mine running on separate Pi's.

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March 02, 2018, 07:44:23 AM
 #1667

http://www.hashingtechno.com/products/Eyeboot-49-Port-USB-Hub-60A-Power-Supply-and-Cables-Bundle-1.html. Is this hub good enough to support 15 2pacs at 250 mhz?
der_wasi
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March 02, 2018, 03:26:02 PM
 #1668

The discription says:
Quote
The maximum port charge possible is 1.5 amps depending on power supply used.
1.5 A is not enough current for one stick @250 MHz. I don´t know what "depending on power supply used" means. I would buy another one. Make sure there is no limitation on the current per port. In my experience you need about 3 A per stick @250 MHz.

sidehack
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March 02, 2018, 03:42:29 PM
 #1669

I'd say it's good enough. 60A across 15x sticks makes 4A per stick, more than enough for 250MHz. I use that exact setup for batch-testing sticks before shipping out. We run 'em at 100MHz, but the hub is solid. The only issue you're going to run into is voltage loss in the cable, so you'll want to shorten that if possible and probably adjust the supply voltage up to 5.5V or so to compensate.

GEBucky
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March 02, 2018, 08:26:07 PM
 #1670


I have the black version of the 49 port Eyeboot, primarily because it's not orange. It will run on 110 or 220V and the black one has power supply built in. I have 18 sticks running on it (at 200) along with 2 arctic fans. It runs like a charm - not a single hiccup in two weeks. They are great hubs, not cheap but really solid and plenty of power/port.

I have not run the power consumption numbers vs my Antminer S9's. I am getting close to 500 Ghz on the 2Pac rig. Some bizarre internal side of me wants to see if I can get it to 1Thz. Certainly not a practical project from a cost perspective. My wife likes the blinking lights so I have that going for me, and they are so quiet compared to AM. Have 12 of those running and it is NOT quite . Think I just found myself a weekend project to see how much power in consumes per Thz. I certainly know the Antminers pull 1350W for between 13.5 and 14 Thz. I think they pull about 1.5 amps at 200 so not going to take long to do the math but want to actually test the circuit.

GEBucky
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March 02, 2018, 08:29:54 PM
 #1671

The discription says:
Quote
The maximum port charge possible is 1.5 amps depending on power supply used.
1.5 A is not enough current for one stick @250 MHz. I don´t know what "depending on power supply used" means. I would buy another one. Make sure there is no limitation on the current per port. In my experience you need about 3 A per stick @250 MHz.

here's the link:
https://www.eyeboot.com/49-port-usb-hub-v2.html

It can run at least 18 at 200 freq as that's my current config - 60 amps is a lot and this isn't limited by the PSU/cable like many other hubs. You're getting all 60w delivered to the ports. Run it at 220V if you can - more efficient (but not required).
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March 02, 2018, 08:50:48 PM
 #1672

Any ideas where the best place to buy more 2Pacs is? Have done Amazon, Eyeboot, direct. Have 18 but really want to try to get to a Thz just to see if I can do it. Want to get 6 more no, see how she how she goes, and then add from there. Thoughts appreciated!
lok8nusa
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March 02, 2018, 09:00:21 PM
 #1673

Any ideas where the best place to buy more 2Pacs is? Have done Amazon, Eyeboot, direct. Have 18 but really want to try to get to a Thz just to see if I can do it. Want to get 6 more no, see how she how she goes, and then add from there. Thoughts appreciated!


Have you tried sales@gekkoscience.com?


Edit: what sidehack said.  vvv

Coining bits since 2017 
Avalon 741 x 2; BM S7 x 1, C1 x 1, S3 x 1; GekkoScience R808 x 2, 2Pac x 8
Kano Pool is the BEST BTC mining pool.
sidehack
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March 02, 2018, 09:09:09 PM
 #1674

laura@gekkoscience.com would be a bit better. She's handling small orders, sales is handling bulk orders, so unless you know you want more than a couple dozen Laura's the one you want to talk to.

GEBucky
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March 02, 2018, 09:20:33 PM
 #1675

Any ideas where the best place to buy more 2Pacs is? Have done Amazon, Eyeboot, direct. Have 18 but really want to try to get to a Thz just to see if I can do it. Want to get 6 more no, see how she how she goes, and then add from there. Thoughts appreciated!


Have you tried sales@gekkoscience.com?

Good call - Thanks!
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March 02, 2018, 09:21:09 PM
 #1676

laura@gekkoscience.com would be a bit better. She's handling small orders, sales is handling bulk orders, so unless you know you want more than a couple dozen Laura's the one you want to talk to.

thank you!
sidehack
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March 02, 2018, 10:07:40 PM
 #1677

You should consider consolidating multiple thoughts into a single post instead of posting two or three times in row, especially if you're already quoting the relevant context you're responding to.

GEBucky
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March 02, 2018, 11:29:54 PM
 #1678

You should consider consolidating multiple thoughts into a single post instead of posting two or three times in row, especially if you're already quoting the relevant context you're responding to.
Thanks - I will consider that
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March 02, 2018, 11:59:20 PM
 #1679

For those looking for a smaller setup (20 or less) look at this one:

https://www.amazon.com/Sipolar-Industrial-Charger-Certified-Refurbished/dp/B01KPOEX9O

I've had it for a few months now and no problems.
I have 10 2pacs running on it @ 275mhz, the room they are in stays at 60f and I know I can probably push them harder.
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March 03, 2018, 06:47:56 AM
 #1680

are these the same ?  1)  http://www.hashingtechno.com/products/Eyeboot-49-Port-USB-Hub-60A-Power-Supply-and-Cables-Bundle-1.html

2)https://www.eyeboot.com/49-port-usb-hub-v2.html

big price difference
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