GridSeed 5-chip USB miner voltage mod

[gtraah]

Can someone using 20+ gridseeds on Cgminer PLLEAASE  help this is starting to get serious and I am loosing $$ each minute this doesnt get fixed..

Main issue -

LIBUSB send work write error certain random pod Disconnects and then CGminer crashes.

I did try the latest CPUminer, and I really do not understand how people can use this, WOW what a shame CGminer has problems.... talking about that I also give weird random USB Disconnects, difference is CPUminer doesn't crash after . One major problem for me is I cannot even tell how many miners I still have running on the session, It doesn't give me individual performance stats, it also gives pool type total hashrate...

Please I need someone that likes Cgminer like myself and hopefully knows some coding or even know some trick to stop what happening on my end

Edit: I am now trying another 10Port USB hub to see if this was the thing playing up - But please some advise would be great from people who use cgminer for big numbers

[BCata]

47kOhm Vmod3 - wall side results

1200 Mhz # 510 kH # 22.5 W
1100 Mhz # 467 kH # 21.5 W
1000 Mhz # 425 kH # 20.3 W
950 MHz # 404 kH # 19.6 W
850 Mhz # 360 kH # 18.4 W
600 Mhz # 250 kH # 16 W
Idle # 0 kH # 12.5 W


stock:
1200 - 13
1100 - 12.5
1000 - 11.9
950 - 11.5
850 - 10.9
600 - 9.5
Idle - 7.4

so no, the high power usage stays even with low clocks

I am currently running 22 voltmodded of a Windows 7 AMD E350 system. The PSU is a 750W Corsaid Gold efficiency. At the wall I get 435W usage. I measured the windows system and it pulls 30W. So that makes it 405W at the wall for:
- 22 GS units runing at 1175Mhz+
- 3 powered USB hubs
- 22 low power 80mm fans (I replaced the stock fans with quiet ones... they draw about 0.75W a piece).
- 3 low power 140mm fans (about 1.25W a piece)
- 2 low power 120mm fans (around 1W a piece)

If we discount the Fans, it averages to about 17.5W pe GS unit, all running at 1175Mhz+.

[Xer0]

What are you using to calculate your Wattage? Math or a power meter between the wall plug and power supply?

Brennenstuhl AC powermeter

[smracer]

Can someone using 20+ gridseeds on Cgminer PLLEAASE  help this is starting to get serious and I am loosing $$ each minute this doesnt get fixed..

Main issue -

LIBUSB send work write error certain random pod Disconnects and then CGminer crashes.

I did try the latest CPUminer, and I really do not understand how people can use this, WOW what a shame CGminer has problems.... talking about that I also give weird random USB Disconnects, difference is CPUminer doesn't crash after . One major problem for me is I cannot even tell how many miners I still have running on the session, It doesn't give me individual performance stats, it also gives pool type total hashrate...

Please I need someone that likes Cgminer like myself and hopefully knows some coding or even know some trick to stop what happening on my end

Edit: I am now trying another 10Port USB hub to see if this was the thing playing up - But please some advise would be great from people who use cgminer for big numbers

I run a script that restarts cgminer if it ever quits.  Then just start the script with sh script.sh

#!/bin/bash

while true; do

/home/ubuntu/Downloads/cgminer-gc3355/cgminer -c example.conf --usb :49

done

[happydaze]

Batch file info / sample for Windows to monitor & restart cgminer if it quits: https://bitcointalk.org/index.php?topic=330027.0

[nst6563]

I LOVE that new build of cpuminer Sandor.  The gridseed I just got today and modded has individual cores sitting nicely at 1250Mhz, 1275MHz, and 1300MHz.



If you could manage to do a 'summary view' with data at the top like cgminer I think it would be absolutely perfect.  May as well call it Seedminer at that point too.

[gtraah]

Can someone using 20+ gridseeds on Cgminer PLLEAASE  help this is starting to get serious and I am loosing $$ each minute this doesnt get fixed..

Main issue -

LIBUSB send work write error certain random pod Disconnects and then CGminer crashes.

I did try the latest CPUminer, and I really do not understand how people can use this, WOW what a shame CGminer has problems.... talking about that I also give weird random USB Disconnects, difference is CPUminer doesn't crash after . One major problem for me is I cannot even tell how many miners I still have running on the session, It doesn't give me individual performance stats, it also gives pool type total hashrate...

Please I need someone that likes Cgminer like myself and hopefully knows some coding or even know some trick to stop what happening on my end

Edit: I am now trying another 10Port USB hub to see if this was the thing playing up - But please some advise would be great from people who use cgminer for big numbers

I run a script that restarts cgminer if it ever quits.  Then just start the script with sh script.sh

#!/bin/bash

while true; do

/home/ubuntu/Downloads/cgminer-gc3355/cgminer -c example.conf --usb :49

done

Thanks guys -
As much as I do not like bandaid solutions but like to fix the root cause, i think this will do. Although I am windows, is there something I can add inside the batch file?   And what is the --usb :49 ? What is this command? I just thought about it if CGminer restarts while they are all plugged it how will they be detected as you need to plug the Miners after you open Cgminer? or does --usb fix this?



EDIT: Guess what??? The new HUb is not doing no such problems

[happydaze]

nst6563 - what resistor value did you choose?

[nst6563]

nst6563 - what resistor value did you choose?

I used a 50k trim pot and measured the value to exactly 49.9k.

EDIT:  The only real reason I use the trim pots instead of straight 49.9k/50k resistors is that I have a bunch of the 50k trim pots lying around...I don't have 49.9/50k resistors around.  I have a bunch of 100k, but I'd rather just use a trim pot instead of putting 2 100k's in parallel.

[Kergekoin]

I have startup problem every time i restart cgminer. Using CGWatcher with cgminer.
https://www.dropbox.com/s/vckdna4c7z7gqov/Untitled.png

voltage=1 and voltmod for it is done. miners work nicely when i restart USB hub. But this makes remote controlling impossible.  

Help needed please.

[gtraah]

I have startup problem every time i restart cgminer. Using CGWatcher with cgminer.
https://www.dropbox.com/s/vckdna4c7z7gqov/Untitled.png

voltage=1 and voltmod for it is done. miners work nicely when i restart USB hub. But this makes remote controlling impossible.  

Help needed please.

Yes I am trying to figure a way around the Starting Cgminer without nothing plugged in then once its started plug in your hub and all your gridseeds will get detected, but restarting cgminer whilst all still plugged in wont work for me I think there is a special switch needed in the Batch file... I am in the search, but the fact of the matter CGminer should not need restarting , If an error occurs this should be solved, I am very surprised no development is being done for cgminer as this is the most user friendly, nicely appearing miner there is. Simply RUn Zadig to install the WinUSB drivers and thats that! no need to mess with drivers, its all done with a single CLick with Zadig. Then all you do is run your cgminer batch

[sandor111]

I LOVE that new build of cpuminer Sandor.  The gridseed I just got today and modded has individual cores sitting nicely at 1250Mhz, 1275MHz, and 1300MHz.



If you could manage to do a 'summary view' with data at the top like cgminer I think it would be absolutely perfect.  May as well call it Seedminer at that point too.

I'm working on a miner summary similar to what the pool dashboard looks like on LightningAsic firmware.

[nst6563]

I have startup problem every time i restart cgminer. Using CGWatcher with cgminer.
https://www.dropbox.com/s/vckdna4c7z7gqov/Untitled.png

voltage=1 and voltmod for it is done. miners work nicely when i restart USB hub. But this makes remote controlling impossible.  

Help needed please.

How many miners do you have?

What I do know works is manually disabling and re-enabling the gridseed devices in device manager in windows.
If you have 10+, it's more than likely entirely possible and quite easy to whip something up in visual studio to disable/enable the devices.  

Someone a long while back posted a batch script that used devcon.exe to control the devices (disable/enable).  I tried using it but it doesn't seem to work on Win 8.1.  The device would show as disabled in device manager but when it was re-enabled with devcon cgminer still didn't pick it up.  Manually disabling/re-enabling the devices worked just fine.

Here was their script:

Code:

devcon disable *5740*
timeout /t 20
devcon enable *5740*
cgminer.exe --scrypt
pause

@Sandor - That would be awesome.  It's roots may have come from cpuminer but you could very well call it Sandor's Seedminer when that's complete.  You're infamy will live on...

[CartmanSPC]

I LOVE that new build of cpuminer Sandor.  The gridseed I just got today and modded has individual cores sitting nicely at 1250Mhz, 1275MHz, and 1300MHz.
If you could manage to do a 'summary view' with data at the top like cgminer I think it would be absolutely perfect.  May as well call it Seedminer at that point too.

I'm working on a miner summary similar to what the pool dashboard looks like on LightningAsic firmware.

Great news sandor111! cgminer is a fork of cpuminer so you might want to look at some of their earlier changes for the TUI.

BTW, I tried compiling the latest version on Ubuntu but get an error:

Code:

sudo git clone git://github.com/siklon/cpuminer-gc3355.git
cd cpuminer-gc3355
sudo ./autogen.sh             <-error here

On a separate subject I just started trying this but I actually think it might be more profitable for me to dual mine since I pay a flat fee for electricity and am not close to my quota (16amps). Will post my findings if anyone is interested.

[sandor111]

I LOVE that new build of cpuminer Sandor.  The gridseed I just got today and modded has individual cores sitting nicely at 1250Mhz, 1275MHz, and 1300MHz.
If you could manage to do a 'summary view' with data at the top like cgminer I think it would be absolutely perfect.  May as well call it Seedminer at that point too.

I'm working on a miner summary similar to what the pool dashboard looks like on LightningAsic firmware.

Great news sandor111! cgminer is a fork of cpuminer so you might want to look at some of their earlier changes for the TUI.

BTW, I tried compiling the latest version on Ubuntu but get an error:

Code:

sudo git clone git://github.com/siklon/cpuminer-gc3355.git
cd cpuminer-gc3355
sudo ./autogen.sh             <-error here

On a separate subject I just started trying this but I actually think it might be more profitable for me to dual mine since I pay a flat fee for electricity and am not close to my quota (16amps). Will post my findings if anyone is interested.

Try

Code:

chmod +x ./autogen.sh && ./autogen.sh

[gtraah]

SPOKE TO EARLY SEEMS ITS NOT THE HUB ARGHHHH

[gtraah]

Guys something is going on here and its starting to drive me nuts, I dont know if its the USB hub or not, everything is connected and accepting shares but the accepted shares is way below what the share should be for the MH, I really dont know what is going on and I am wasting time and $$ every second.   

[chanberg]

Guys something is going on here and its starting to drive me nuts, I dont know if its the USB hub or not, everything is connected and accepting shares but the accepted shares is way below what the share should be for the MH, I really dont know what is going on and I am wasting time and $$ every second.   

I had the same problem, but my fix is probably not a good one... I use to have 30 units connected to 1 RPi, but poolside hashrate was significantly lower, almost half like yours... So instead of all 30 on  RPi, i split them into 3 RPi's, so 10 on each.... It shows correct hashrate on pool and on screen using cgminer....

[nst6563]

Guys something is going on here and its starting to drive me nuts, I dont know if its the USB hub or not, everything is connected and accepting shares but the accepted shares is way below what the share should be for the MH, I really dont know what is going on and I am wasting time and $$ every second.   

What's your setup like?  # gridseeds?  What they're connected to?  What's controlling them?  Power delivery?

It could very well be something like what Chanberg said - overloaded controller unit. 

(and dam I wish I had 30 gridseeds....actually....30 blade miners....)

[gtraah]

Guys something is going on here and its starting to drive me nuts, I dont know if its the USB hub or not, everything is connected and accepting shares but the accepted shares is way below what the share should be for the MH, I really dont know what is going on and I am wasting time and $$ every second.   

I had the same problem, but my fix is probably not a good one... I use to have 30 units connected to 1 RPi, but poolside hashrate was significantly lower, almost half like yours... So instead of all 30 on  RPi, i split them into 3 RPi's, so 10 on each.... It shows correct hashrate on pool and on screen using cgminer....

FK... excuse the lang... But this is getting ridiculous, I was running 17 perfect , I added another 9 with another USB hub and things start stuffing up.. the problem here is the gridseed were release without much development around the software and leaves devs stuggling to find the bugs and iron out the things,

One difference in the last command I used --USB 26 ... i am just experimenting here...
 
Is there any single person here using Cgminer on a simple computer - windows?? im shocked if no one is