OFFICIAL CGMINER mining software thread for linux/win/osx/mips/arm/r-pi 4.11.1

[PatMan]

Ain't Lego brilliant? 

[LARTAS]

Please Mr Olivas
If I buy that
http://www.amazon.com/gp/product/B000GHUIF4/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=A1KCADVMHMIO7S
and I conect in ASIC Terraminer. Windows will get me  like USB or like COM?. I want to erase that Mixer, for me that is the problem, that mixer 2 USB In One.
Please

[-ck]

Please Mr Olivas
If I buy that
http://www.amazon.com/gp/product/B000GHUIF4/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=A1KCADVMHMIO7S
and I conect in ASIC Terraminer. Windows will get me  like USB or like COM?. I want to erase that Mixer, for me that is the problem, that mixer 2 USB In One.
Please

If you're asking about using the cointerra Terraminer you have to open the sealed case to get to the USB slots. The outside USB slot isn't for mining.

[LARTAS]

Yes I did before but
Booth ASICS are conected to Mixer USB.
I want each ASIC to computer
Can I connect 2 Printer cables to each one ASIC to Computer?

[mdude77]

Sort of cross posted from p2pool.  I'm posting it here because Ants use some version of cgminer, so maybe the authors have an idea as to what can be done, if anything, on the Ant side.

I built a proxy that works with p2pool.  Through the proxy I pointed my S2s at p2pool to see if I could solve the "decreased hash rate" problem.  By watching the traffic I concluded that a proxy isn't going to help getting S2s working with p2pool.

I believe the problem is the constant "drop EVERYTHING you are doing and restart" messages that p2pool sends every 30 seconds.  Then it rejects all the old work coming p2pool leading to large DOA.  The Ants simply don't change to the new job ID in a timely manner.  (They also don't respond to change work requests very quickly.)

I pointed my ants to Eligius via my proxy, and observed the same problem, the Ants don't change jobs in a timely manner.  The two huge differences are:

1 - Eligius doesn't send the "clean jobs" = true every single time like p2pool does.  Yes it changes the job id, but doesn't request a clean restart.
2 - Eligius accepts work from old jobs for a period of time while the Ants switch gears.

For interest, I put code in my proxy to always set the submitted share job_id to the current job.  That stopped the ridiculous reject rate, and interestingly enough p2pool doesn't complain about it.  However I still had the "decreased hash rate" problem.

I also noticed p2pool would complain a little bit about shares being submitted over difficulty every time p2pool changed the pseudo share size.  It even did this when I had the psuedo share size forced to the highest value (1000) by appending +1000 to my address!  This could be a p2pool problem.

Any thoughts?  Kano?


M

[-ck]

Mdude, the problem is multifactorial with the S2s based on what I know about it (I don't have one and haven't looked at the code).

p2pool has to send a clean jobs message otherwise its own pseudo block chain becomes invalid as the only way it can perpetuate shares (the "found share" message) is by starting what is the equivalent of a new block in the bitcoin block chain which means it has to send the clean jobs message. If you force your miner to keep submitting work from the old share on p2pool then you may still be just as likely to find a block but your work is pretty much all going to be seen as DOA by p2pool so you won't earn anything.

Then the S2 is woeful slow at aborting work on a clean jobs (i.e. it probably doesn't stop them at all) and that's a common asic manufacturer error/limitation and it takes a while to get enough work to get itself going again.

All of these together mean the frequent restarts + s2 current code are dead in the water.

Shares over diff message after diff changes implies there is a lot of work in the queue that is still being done and it's taking ages to catch up with the diff change. If the shares over diff message doesn't go away (and some of the cheap fork Chinese miners do this) then the driver is basically borked and doesn't support frequent diff changes and probably only supports certain values.

The slush proxy won't help you with p2pool because all it does is add another layer of latency and filters out messages so you don't see the rejects upstream. It doesn't really serve any purpose using it unless you are combining miners' work to one worker upstream.

[mdude77]

Mdude, the problem is multifactorial with the S2s based on what I know about it (I don't have one and haven't looked at the code).

p2pool has to send a clean jobs message otherwise its own pseudo block chain becomes invalid as the only way it can perpetuate shares (the "found share" message) is by starting what is the equivalent of a new block in the bitcoin block chain which means it has to send the clean jobs message. If you force your miner to keep submitting work from the old share on p2pool then you may still be just as likely to find a block but your work is pretty much all going to be seen as DOA by p2pool so you won't earn anything.

Then the S2 is woeful slow at aborting work on a clean jobs (i.e. it probably doesn't stop them at all) and that's a common asic manufacturer error/limitation and it takes a while to get enough work to get itself going again.

All of these together mean the frequent restarts + s2 current code are dead in the water.

Shares over diff message after diff changes implies there is a lot of work in the queue that is still being done and it's taking ages to catch up with the diff change. If the shares over diff message doesn't go away (and some of the cheap fork Chinese miners do this) then the driver is basically borked and doesn't support frequent diff changes and probably only supports certain values.

The slush proxy won't help you with p2pool because all it does is add another layer of latency and filters out messages so you don't see the rejects upstream. It doesn't really serve any purpose using it unless you are combining miners' work to one worker upstream.

Thank you.  That confirmed most of my conclusions as well.

Slush's proxy doesn't work with p2pool.  I made my own for that purpose. 

M

[-ck]

Yes I did before but
Booth ASICS are conected to Mixer USB.
I want each ASIC to computer
Can I connect 2 Printer cables to each one ASIC to Computer?

I'm not sure I understand the question sorry. You can open your cointerra terraminer up and plug in two usb printer cables to your PC. Each card is seen as a separate device on cgminer.

[LARTAS]

Hi
Wit TERRACOIN ASICS Can I regulate power like beaglebone?.
I want to put level 7 because it breakdown the light in house each time

[-ck]

Hi
Wit TERRACOIN ASICS Can I regulate power like beaglebone?.
I want to put level 7 because it breakdown the light in house each time

--ps-load
Use a number from 1-100 probably 70 for level 7

[LARTAS]

I put that in shortcut? After put Pool and user?

[bitpop]

I can't find this anywhere but what are the difficulty units?
I think G is billions? What's T?

I know this isn't cgminer but http://imgur.com/JjfqI91

[bitpop]

I put that in shortcut? After put Pool and user?

I'd put it last

[-ck]

I can't find this anywhere but what are the difficulty units?
I think G is billions? What's T?

http://en.wikipedia.org/wiki/Metric_prefix

[LARTAS]

Hi
Wit TERRACOIN ASICS Can I regulate power like beaglebone?.
I want to put level 7 because it breakdown the light in house each time

--ps-load
Use a number from 1-100 probably 70 for level 7

Where I should put that?

if i Put in shortcur, does it work?
"C:\Documents and Settings\LARTAS\Escritorio\Minning ASIC\cgminer-4.3.4-windows\cgminer.exe" -o us3.eclipsemc.com:3333 -u LARTAS_luis4 -p xxxx --ps-load  70

CGMINER Opened AND i CAN SEE 0.70V,
is that right and showing that is working or not?

Value is in % then I would believe is not 70, perhaps 77

Please

[JoseSan]

--ps-load
Use a number from 1-100 probably 70 for level 7

Where I should put that?

As a command line argument, as you've done below

if i Put in shortcur, does it work?
"C:\Documents and Settings\LARTAS\Escritorio\Minning ASIC\cgminer-4.3.4-windows\cgminer.exe" -o us3.eclipsemc.com:3333 -u LARTAS_luis4 -p xxxx --ps-load  70

Yup, just like that

CGMINER Opened AND i CAN SEE 0.70V,
is that right and showing that is working or not?

Value is in % then I would believe is not 70, perhaps 77

Please

There is no explicit display in cgminer of the power stepping (i.e. the value of ps-load). The default is 100.

The 0.7V is the voltage, which is very indirectly related to the power stepping. There's not necessarily a linear relationship between the two, so I wouldn't worry about that particular number.

[letuslook]

Might be a stupid question, but does anyone know here how to update cgminer in my antminer S2 to the latest from kanoi https://github.com/kanoi/cgminer-binaries with ssh? (I already installed his latests firmware with cgminer v 4.3.5) but this doesnt really work with p2pool)

Thanks!

~ Luc

[PatMan]

Might be a stupid question, but does anyone know here how to update cgminer in my antminer S2 to the latest from kanoi https://github.com/kanoi/cgminer-binaries with ssh? (I already installed his latests firmware with cgminer v 4.3.5) but this doesnt really work with p2pool)

Thanks!

~ Luc

It's that "read me" thing again.......

https://github.com/kanoi/cgminer-binaries/tree/master/AntS2

[letuslook]

Hi Patman,

Thanks but i just need some help to recompile / update cgminer on the antminer s2 to the latest version with ssh. I'm not talking about the firmware upgrade using the web interface

Thanks already for the help!

~ Luc

[PatMan]

I'm not sure it can be done my man. The S2 uses a "special" cgminer version - you can use either Bitmains image or Kano's - Kanos is recommended.