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Sticks just start dropping out into zombie. Cpu is at 85%. I'm only using usb 2.0 and tried running the third hub off of one of the other two and that didn't help. Still can't go over 10 sticks.
That's the same exact issue I have had. I remedied it by using only half the hub, but my hubs are 30 slots each. Read up on that link I sent above, pull up USB tree and see what chips are used in the hub and how many hubs system sees there. I would also try to completely reinstall the Raspbian and Cgminer (30 min) and start over from clean setup.
⭐ Merited by vapourminer (1)
I was able to remove a hub that my keyboard and mouse were using, so now I can run 10 sticks. Starts doing the same thing again when I try to go to 11 now.
Is is it doing the same thing or different? Meaning do sticks just reboot from lower to higher frequency or they drop out completely? What's the CPU usage?Mine is at 20% now, running 16 sticks at 500Mhz
The way to see that your USB bus is overloaded is your CPU usage, it will skyrocket. It only happened when I plugged in another hub WHILE cgminer RUNNING. When it happens, just stop cgminer (ctrl-c) and run it again, to save your PI from extra heat, it should zoom at around 20% normally.
If I plug in and turn all hubs on BEFORE i run it, it would just find x amount of sticks (not all) and just run normally at low CPU load.
So, it the cgminer that gets confused by all the hub stuff and goes nuts.
Btw, I'm only using USB 2.0 ports (white inside), don't use USB 3.0 ports (blue inside)
Try only running 2 USB wires to PI (to USB 2.0 ports!), only from 2 hubs, rest of the hubs just interconnect, meaning connect the wire from hub 1 and 2 to PI, as for the other hub - just plug in the USB wire to hub 1 or 2. Let me know if it works. You can plug in keyboard/mouse directly into your other 2 ports on PI.
But I don't get the connection to the frequency setting. That issue still persists, right? Without any frequency specified, they still go right up to 500?
I dropped it all together, reinstalled fresh version of RPI and cgminer. Now it listens to me! 
I remember messing with system commands, somehow I set cgminer as a system command and set it with parameters. Last thing I found - I could just run
Code:
sudo cgminer
and it will run with all parameter (including my wallet address and all) So you were right, I just don't remember how I did it, and really wondering now.I usually start to learn linux/unix only when I need it and usually go deep into it, then don't use it for a while and loose the knowledge.
Thanks for helping me out with suggestions!
⭐ Merited by vapourminer (1)
I'm running 3 hubs. I can run 8 on 2 hubs or 9 on 3 hubs but as soon as I add one more stick the problems start.
Check this out - https://forums.raspberrypi.com/viewtopic.php?f=28&t=53832
I finally figured it out. I'm running 16 sticks now @500Mhz on 2 hubs. Probably can even run on 1, but will need voltmeter and pod adjusting...
Even if I run it with no frequency setting options (see above) it still runs at 500Mhz.
I remember setting something similar to alias, is there another way to do this other then alias command?
I always ran cgminer with no ./prior to it (as above) from anywhere in the filesystem (so I guess I register it as a command? but alias -p never showed it there?)
If you could run it without ./, it means you installed it; i.e. copied the binary to a location on your path.I remember setting something similar to alias, is there another way to do this other then alias command?
I always ran cgminer with no ./prior to it (as above) from anywhere in the filesystem (so I guess I register it as a command? but alias -p never showed it there?)
It's possible that the binary on the path with that name, was actually a shell script though, that started cgminer with some specific parameters.
You could check that with which cgminer, which gets you the location of the script and cat /whatever/location/you/got/from/last/command to check the contents.
Then modify that file or delete it altogether.
Now I found I had another copy in different folder (per kanos troubleshoot instructions), deleted it, reinstalled it and now have to only run it with ./ and only from its directory 
(I followed some guide when I was setting this up initially)
If you download the software from https://github.com/kanoi/cgminer, build it and run it from that folder using ./cgminer, I see no reason why it would target a frequency other than the default. Maybe someone else has more ideas than me. (I followed some guide when I was setting this up initially)How do I insert screenshots here btw?
Upload somewhere (like imgur or postimg) and embed with [img] tags.GUIDELINE ON POSTING IMAGES (WITH SIZE ADJUSTMENTS), HYPERLINKS
[...]I can run 9 sticks stable but as soon as I try to run 10 then one fails to start and the others start dropping into zombie. I'm using a pi 3 and gekko hubs. Cpu usage is high cgminer is using 85% with 9 sticks. Any ideas?
Are you running multiple hubs?If I use them on single hub, I can usually run up to full hub, which is 15 on mine and wont be surprised it would run all 30 (30 port industrial hub with some spacing in between, every other port)
In order to stably run more then 9 I would need to dial in the pod on each, voltage gets too low on my hub...
My PI4 CPU actually stays around 20%, But if I plug in the second hub and/or start splitting sticks in between, THEN it goes nuts, like 80-100% and sticks start to zombie out, the ones that been hashing for a while, new ones don't appear,
Interesting enough - all sticks are flashing the white diodes (like they are hashing), even the ones that system does not see...
I run the miner with these parameters -
sudo cgminer -o stratum+tcp://solo.ckpool.org:3333 -u bc1qgkdg0quzzpt5rcah7elrg06u5lvxdc34nkxwxv -p x --gekko-compacf-freq 400 --gekko-start-freq 375 --gekko-tune-up 85 --gekko-mine2 --gekko-tune2 60
In this case it supposed to run at 400Mhz but mine sets at 500Mhz as I believe I saved some day. Neither the start frequency or highest frequency works, it starts at 325 and goes up to 500...
Even if I run it with sudo cgminer -o stratum+tcp://solo.ckpool.org:3333 -u bc1qgkdg0quzzpt5rcah7elrg06u5lvxdc34nkxwxv -p x it will still start at 325 and target 500Mhz
That's odd; the sticks have no memory and this command doesn't load a configuration file. There is no reason it should go up to 500. You could try removing --gekko-compacf-freq 400 --gekko-start-freq 375 and it should only go up to 200MHz (default frequency). If that doesn't work, there's something really wrong (such as having setup an alias that calls cgminer with other options). Do you remember having done anything like that?sudo cgminer -o stratum+tcp://solo.ckpool.org:3333 -u bc1qgkdg0quzzpt5rcah7elrg06u5lvxdc34nkxwxv -p x --gekko-compacf-freq 400 --gekko-start-freq 375 --gekko-tune-up 85 --gekko-mine2 --gekko-tune2 60
In this case it supposed to run at 400Mhz but mine sets at 500Mhz as I believe I saved some day. Neither the start frequency or highest frequency works, it starts at 325 and goes up to 500...
Even if I run it with sudo cgminer -o stratum+tcp://solo.ckpool.org:3333 -u bc1qgkdg0quzzpt5rcah7elrg06u5lvxdc34nkxwxv -p x it will still start at 325 and target 500Mhz
alias -p should show you whether you've set up an odd alias, by the way.
Even if I run it with 0 freqesncy setting options (see above) it still runs at 500Mhz.
I don't remember setting up an alias, I might have done it though. Where would that config be saved?
We been out of state for a while, so sticks were collecting dust, came back and fired the system back up and it fired up right at 500Mhz.
My main problem now is that I cant run them all together, even with having proper hubs and all.
I can remedy the Mhz problem by reinstalling the rpi filesystem, but still have the problem with cgminer not seeing all sticks on 2 hubs (and seeing all on single/either!)
How do I insert screenshots here btw?
⭐ Merited by vapourminer (1)
Hi, thanks for helping me out!
Ok, got it.
Well, I don't know, haven't tried it yet:)
The contents should look something like this:
Just input the information that you'd otherwise pass by command line args into that file. Then you can run it simply with ./cgminer -c example.conf.
[/quote]
I run the miner with these parameters -
sudo cgminer -o stratum+tcp://solo.ckpool.org:3333 -u bc1qgkdg0quzzpt5rcah7elrg06u5lvxdc34nkxwxv -p x --gekko-compacf-freq 400 --gekko-start-freq 375 --gekko-tune-up 85 --gekko-mine2 --gekko-tune2 60
It supposed to run at 400Mhz but mine sets at 500Mhz as I saved some day. Neither the start frequency or highest frequency works, it starts at 325 and goes up to 500...
Quote
As a side question what's the minimum USB voltage they need to run?
I know there is a voltage pod, so theoretically I can even run them at 4.3V (at the hub side) if my voltage at the chip would be ~1,45V correct?
The buck converter circuit should give you a stable output, as long as the input is in a relatively normal range. I've seen 5V USB devices running on anywhere between 4.7 to 5.1V normally, but it's possible that 4.3 could suffice. Do note that the potentiometer doesn't affect your input voltage (5V side) but just the core voltage; so it's possible that other components such as the FTDI chip will stop working even though the core is happy. I know there is a voltage pod, so theoretically I can even run them at 4.3V (at the hub side) if my voltage at the chip would be ~1,45V correct?
Quote
The only problem I see is my hub shows 5.2V when NOT hashing and sticks starting up and if I adjust the screw, until I'm at 1.45V DURIUNG mining for sticks stability, it could possibly go way above the 1,45V at the INITIAL stage of mining, when sticks are just starting up and not hashing yet, would that be a problem?
I don't think 5.2V is too much out of the ordinary, but I'd be careful of having voltages on the core of 'way above 1.45V' (how much is 'way above'?).Quote
Another side question - what file is a config file for current version of cgminer? I have used the save option during mining and now it looks like no mater what options I run the miner with it will run with the saved ones, I looked in the cgminer folder and there are tons of various config files. I assume if I delete the config file it will revert to default settings?
It takes the config file if you specify it. I.e.: run it with the -c or --config parameter and pass the config file's path.The contents should look something like this:
Code:
{
"pools" : [
{
"url" : "stratum+tcp://stratum.kano.is:3333",
"user" : "username.worker1",
"pass" : "x"
}
],
"failover-only" : true,
"api-listen" : true,
"api-port" : "4028",
"api-allow" : "W:192.168.1.0/24,W:127.0.0.1"
}
"pools" : [
{
"url" : "stratum+tcp://stratum.kano.is:3333",
"user" : "username.worker1",
"pass" : "x"
}
],
"failover-only" : true,
"api-listen" : true,
"api-port" : "4028",
"api-allow" : "W:192.168.1.0/24,W:127.0.0.1"
}
I run the miner with these parameters -
sudo cgminer -o stratum+tcp://solo.ckpool.org:3333 -u bc1qgkdg0quzzpt5rcah7elrg06u5lvxdc34nkxwxv -p x --gekko-compacf-freq 400 --gekko-start-freq 375 --gekko-tune-up 85 --gekko-mine2 --gekko-tune2 60
It supposed to run at 400Mhz but mine sets at 500Mhz as I saved some day. Neither the start frequency or highest frequency works, it starts at 325 and goes up to 500...
Everything's tested for hitting at least 220GH at 400MHz across 24 hours before it ships. Peformance beyond that is expected but not guaranteed.
Weird they're underperforming at 400. Have you any kind of meter with which you can read the core voltage? Factory is 1.48V from the USB jack to the marked side of the block in the top half center with the stick plugged in but not hashing.
Weird they're underperforming at 400. Have you any kind of meter with which you can read the core voltage? Factory is 1.48V from the USB jack to the marked side of the block in the top half center with the stick plugged in but not hashing.
Hi, I'm new to the forum, but not to hardware and mining.
I have:
- 18 of Compac-F sticks.
- 2 x 30 port industrial USB hubs with 300W PSU (60A/5v) each, so plenty of power. (600W or 120A/5V)
- Each hub has 15 ports that run on single USB (2.0) cord, 2 cords per hub, so I have 4 cords (but have been plugging in the second cord into the other side, so I only run 2)
I have measured the consumption/voltage on the sticks and they go up to 3A/4.8V per stick at 500Mhz.
The PROBLEM is that I cannot run all 18 of them at once on my Raspberry Pi 4 (with the latest cgminer, your version)
I ruled out that PI is a problem. It can run 10 or even all on ONE (either) hub with no problem (I run 9/9 these need spacing for cooling),
but when I plug in the second hub, cgminer only sees 11-13 sticks max. PI CPU doesn't go over 60%, memory consumption is low too, so its has something to do with USB?
I have tried different usb cords/sticks configurations etc....it must be some kind of USB restriction?