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Author Topic: OFFICIAL CGMINER mining software thread for linux/win/osx/mips/arm/r-pi 4.9.2  (Read 4815697 times)
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Blisk
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May 23, 2013, 09:16:00 AM
 #10281

MY two PCs are stil shutting down because overheating, what can I do to prevent this, how to make cgminer slows down with mining when overheating!

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May 23, 2013, 10:00:34 AM
 #10282

Hi,

I have an issue when trying to run CGminer for mining Litecoin maybe you can help me ?

Thanks in advance Wink

Error:

Quote

 [2013-05-23 11:44:56] Started cgminer 3.1.1
 [2013-05-23 11:44:56] Started cgminer 3.1.1
 [2013-05-23 11:44:56] Loaded configuration file cgminer.conf
 [2013-05-23 11:44:56] Probing for an alive pool
 [2013-05-23 11:45:01] Maximum buffer memory device 0 supports says 536870912
 [2013-05-23 11:45:01] Your scrypt settings come to 1572864000
 [2013-05-23 11:45:01] Error -61: clCreateBuffer (padbuffer8), decrease TC or in
crease LG
 [2013-05-23 11:45:01] Failed to init GPU thread 0, disabling device 0
 [2013-05-23 11:45:01] Restarting the GPU from the menu will not fix this.
 [2013-05-23 11:45:01] Try restarting cgminer.
Press enter to continue:




Here my cgminer.conf

Quote

{
"pools" : [
   {
      "url" : "stratum+tcp://ltc.coinat.com:3333",
      "user" : "xxx",
      "pass" : "xxx"
   }
]
,
"intensity" : "18",
"vectors" : "1",
"worksize" : "256",
"kernel" : "scrypt",
"lookup-gap" : "2",
"thread-concurrency" : "24000",
"shaders" : "0",
"gpu-engine" : "0-0",
"gpu-fan" : "0-0",
"gpu-memclock" : "0",
"gpu-memdiff" : "0",
"gpu-powertune" : "0",
"gpu-vddc" : "0.000",
"temp-cutoff" : "95",
"temp-overheat" : "85",
"temp-target" : "75",
"api-port" : "4028",
"expiry" : "120",
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "1",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "30",
"scrypt" : true,
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin"
}

stellarman
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May 23, 2013, 11:00:56 AM
 #10283

I just got my mining rig up and running tonight. I pointed it a P2Pool to mine LTC. I'm getting a decent hash rate (~500kH/s x 2 7950 cards), but I am seeing a lot of "Stratum from pool 0 requested work restart" in the log -- I mean like half of the entries. I'm also getting about a 30% reject rate.
...
P2Pool has a 10second LP ... so you should on average get one every 10seconds ...

Thanks for your help.

I'm getting these, on average, approximately every three to four seconds (according to the time stamps on the log entries).

If this is an oddity with this pool, I'm not opposed to switching to a different pool. But, if it is something in my settings, I would like to fix it.

Anything else you can suggest?
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May 23, 2013, 11:23:36 AM
 #10284

MY two PCs are stil shutting down because overheating, what can I do to prevent this, how to make cgminer slows down with mining when overheating!

If it is your GPU's overheating then use the auto fan and auto gpu command line arguments.

There are examples in the executive summary in the top post of this thread.

A: Because it messes up the order in which people normally read text.
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A: Top-posting.
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May 23, 2013, 11:35:03 AM
 #10285

Hi,

I have an issue when trying to run CGminer for mining Litecoin maybe you can help me ?

Thanks in advance Wink

Error:

Quote

 [2013-05-23 11:44:56] Started cgminer 3.1.1
 [2013-05-23 11:44:56] Started cgminer 3.1.1
 [2013-05-23 11:44:56] Loaded configuration file cgminer.conf
 [2013-05-23 11:44:56] Probing for an alive pool
 [2013-05-23 11:45:01] Maximum buffer memory device 0 supports says 536870912
 [2013-05-23 11:45:01] Your scrypt settings come to 1572864000
 [2013-05-23 11:45:01] Error -61: clCreateBuffer (padbuffer8), decrease TC or in
crease LG
 [2013-05-23 11:45:01] Failed to init GPU thread 0, disabling device 0
 [2013-05-23 11:45:01] Restarting the GPU from the menu will not fix this.
 [2013-05-23 11:45:01] Try restarting cgminer.
Press enter to continue:




Here my cgminer.conf

Quote

{
"pools" : [
   {
      "url" : "stratum+tcp://ltc.coinat.com:3333",
      "user" : "xxx",
      "pass" : "xxx"
   }
]
,
"intensity" : "18",
"vectors" : "1",
"worksize" : "256",
"kernel" : "scrypt",
"lookup-gap" : "2",
"thread-concurrency" : "24000",
"shaders" : "0",
"gpu-engine" : "0-0",
"gpu-fan" : "0-0",
"gpu-memclock" : "0",
"gpu-memdiff" : "0",
"gpu-powertune" : "0",
"gpu-vddc" : "0.000",
"temp-cutoff" : "95",
"temp-overheat" : "85",
"temp-target" : "75",
"api-port" : "4028",
"expiry" : "120",
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "1",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "30",
"scrypt" : true,
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin"
}



Set your shaders and take out thread-concurency and the run it.

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May 23, 2013, 11:35:27 AM
 #10286

Try my p2pool I too get 4 second lps

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dermo
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May 23, 2013, 12:23:27 PM
 #10287

Hi,

I have an issue when trying to run CGminer for mining Litecoin maybe you can help me ?

Thanks in advance Wink

Error:

Quote

 [2013-05-23 11:44:56] Started cgminer 3.1.1
 [2013-05-23 11:44:56] Started cgminer 3.1.1
 [2013-05-23 11:44:56] Loaded configuration file cgminer.conf
 [2013-05-23 11:44:56] Probing for an alive pool
 [2013-05-23 11:45:01] Maximum buffer memory device 0 supports says 536870912
 [2013-05-23 11:45:01] Your scrypt settings come to 1572864000
 [2013-05-23 11:45:01] Error -61: clCreateBuffer (padbuffer8), decrease TC or in
crease LG
 [2013-05-23 11:45:01] Failed to init GPU thread 0, disabling device 0
 [2013-05-23 11:45:01] Restarting the GPU from the menu will not fix this.
 [2013-05-23 11:45:01] Try restarting cgminer.
Press enter to continue:




Here my cgminer.conf

Quote

{
"pools" : [
   {
      "url" : "stratum+tcp://ltc.coinat.com:3333",
      "user" : "xxx",
      "pass" : "xxx"
   }
]
,
"intensity" : "18",
"vectors" : "1",
"worksize" : "256",
"kernel" : "scrypt",
"lookup-gap" : "2",
"thread-concurrency" : "24000",
"shaders" : "0",
"gpu-engine" : "0-0",
"gpu-fan" : "0-0",
"gpu-memclock" : "0",
"gpu-memdiff" : "0",
"gpu-powertune" : "0",
"gpu-vddc" : "0.000",
"temp-cutoff" : "95",
"temp-overheat" : "85",
"temp-target" : "75",
"api-port" : "4028",
"expiry" : "120",
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "1",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "30",
"scrypt" : true,
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin"
}



Set your shaders and take out thread-concurency and the run it.


If shaders set to "1792" and thread-concurency set to "0" = hardware error

But if shaders set to "1792" and thread-concurency set to "22400" cgminer running good with Average 635 Kh/s

Not bad but with a 7950 @ 1175gpu / 1500mem is pretty low if you see the Mining Hardware List, what do you think ?
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May 23, 2013, 01:27:25 PM
 #10288

Didn't say set it to zero. I said take it out  "".  CGMiner will find a value for you then you can tune from there. Try the Scrypt Readme.

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May 23, 2013, 01:51:44 PM
 #10289

Didn't say set it to zero. I said take it out  "".  CGMiner will find a value for you then you can tune from there. Try the Scrypt Readme.


I don't understand what you mean by take it out  "".

Sorry I'm noobish with scrypt and the readme doesn't help me so much :/
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May 23, 2013, 02:11:37 PM
 #10290

the readme doesn't help me so much :/

And it can't unless you actually read it and spend the time doing research so that you can comprehend it as well.

If your unwilling or incapable of moving toward the goal of understanding then I would, kindly, suggest your finding something else to spend your/our time on.
Sam

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
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May 23, 2013, 02:36:08 PM
 #10291

the readme doesn't help me so much :/

And it can't unless you actually read it and spend the time doing research so that you can comprehend it as well.

If your unwilling or incapable of moving toward the goal of understanding then I would, kindly, suggest your finding something else to spend your/our time on.
Sam

I've try to set up to "thread-concurrency" : "",

But I have this error

GPU0: invalid nonce - HW error


Here my setup after reading the readme in deep

Code:
{
"pools" : [
{
"url" : "stratum+tcp://eu.wemineltc.com:3333",
"user" : "xxx",
"pass" : "xxx"
}
]
,
"intensity" : "20",
"vectors" : "1",
"worksize" : "256",
"kernel" : "scrypt",
"lookup-gap" : "0",
"thread-concurrency" : "",
"shaders" : "1792",
"gpu-engine" : "0-0",
"gpu-fan" : "0-0",
"gpu-memclock" : "0",
"gpu-memdiff" : "0",
"gpu-powertune" : "0",
"gpu-vddc" : "0.000",
"temp-cutoff" : "95",
"temp-overheat" : "85",
"temp-target" : "75",
"api-port" : "4028",
"expiry" : "120",
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "1",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "30",
"scrypt" : true,
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin"
}
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May 23, 2013, 04:18:46 PM
 #10292

the readme doesn't help me so much :/

And it can't unless you actually read it and spend the time doing research so that you can comprehend it as well.

If your unwilling or incapable of moving toward the goal of understanding then I would, kindly, suggest your finding something else to spend your/our time on.
Sam

I've try to set up to "thread-concurrency" : "",

But I have this error

GPU0: invalid nonce - HW error

HW error: try lower intensity values (I find 17/18 are what works the best on my hardware).
If it doesn't remove almost all HW errors (<1-2% of shares being an HW error warn you that you are near your hardware limit but that's for you to decide if it's acceptable, the more you overclock the more you risk frying your card), try lowering the GPU/memory clocks.

P2pool tuning guide
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May 23, 2013, 06:48:51 PM
 #10293

the readme doesn't help me so much :/

And it can't unless you actually read it and spend the time doing research so that you can comprehend it as well.

If your unwilling or incapable of moving toward the goal of understanding then I would, kindly, suggest your finding something else to spend your/our time on.
Sam

I've try to set up to "thread-concurrency" : "",

But I have this error

GPU0: invalid nonce - HW error


Here my setup after reading the readme in deep

Code:
{
"pools" : [
{
"url" : "stratum+tcp://eu.wemineltc.com:3333",
"user" : "xxx",
"pass" : "xxx"
}
]
,
"intensity" : "20",
"vectors" : "1",
"worksize" : "256",
"kernel" : "scrypt",
"lookup-gap" : "0",
"thread-concurrency" : "",
"shaders" : "1792",
"gpu-engine" : "0-0",
"gpu-fan" : "0-0",
"gpu-memclock" : "0",
"gpu-memdiff" : "0",
"gpu-powertune" : "0",
"gpu-vddc" : "0.000",
"temp-cutoff" : "95",
"temp-overheat" : "85",
"temp-target" : "75",
"api-port" : "4028",
"expiry" : "120",
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "1",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "30",
"scrypt" : true,
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin"
}

This is in the README word for word. Maybe someone can translate for you. If you do not wish to read then maybe you should be paying someone to do this for you.

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May 23, 2013, 07:15:31 PM
 #10294

Luke-Jr just posted this in the Cairnsmore FPGA thread:

"In brief, cg = original GPU miner bfg was based on, plus old bfgminer FPGA code with various things broken and a few minor things added

These days it usually only makes sense to use BFGMiner."

Anyone here beg to differ?
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May 23, 2013, 07:18:55 PM
 #10295

STATUS=S,When=1369336525,Code=78,Msg=CGMiner coin,Description=cgminer 3.1.1|COIN,Hash Method=sha256,Current Block Time=1369336161.322788,Current Block Hash=00000000000000c8fb30dc785e322b76269315b15684575fabb06a6d9a1175b8,LP=false,Network Difficulty=18446744073709553000.00000000|

---openwrt (ar71xx, mips, wr703n), why the network diff is ... command is echo -n "coin" | nc IP 4028
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May 23, 2013, 07:43:15 PM
 #10296

Luke-Jr just posted this in the Cairnsmore FPGA thread:

"In brief, cg = original GPU miner bfg was based on, plus old bfgminer FPGA code with various things broken and a few minor things added

These days it usually only makes sense to use BFGMiner."

Anyone here beg to differ?
Ya, BFG is basically a ripoff of CG. LJR is always trying to discredit CGMiner at every turn, and promote his miner instead. He was the one to originally work on adding FPGA support to CGMiner, but the other devs couldn't work with him, so he make his own fork (now BFG). Both CG and BFG have now added support for different ASICs, but IMO Con and Kano do it better.See Here for the full story.

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May 23, 2013, 08:13:32 PM
 #10297

Luke-Jr just posted this in the Cairnsmore FPGA thread:

"In brief, cg = original GPU miner bfg was based on, plus old bfgminer FPGA code with various things broken and a few minor things added

These days it usually only makes sense to use BFGMiner."

Anyone here beg to differ?

I tried bfgminer once because it advertised support for the dynamic clocking ability of the Cairnsmore1 FPGA boards with the hashvoodoo bitstream.
On p2pool, the dead on arrival shares went through the roof at ~50%. Never saw this kind of behaviour with cgminer, including with FPGAs (Icarus and Cairnsmore 1 with fixed frequencies).

I use MPBM for my Cairnsmore1 (it supports dynamic clocking) and cgminer for my GPUs and Icarus boards (and hopefully for my Avalon when it finally is delivered) .

P2pool tuning guide
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May 23, 2013, 08:54:42 PM
 #10298

MY two PCs are stil shutting down because overheating, what can I do to prevent this, how to make cgminer slows down with mining when overheating!

If it is your GPU's overheating then use the auto fan and auto gpu command line arguments.

There are examples in the executive summary in the top post of this thread.

I have auto-fan flag, but no auto-gpu because it overheats more if I have auto-gpu.

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May 23, 2013, 09:03:29 PM
 #10299

Luke-Jr just posted this in the Cairnsmore FPGA thread:

"In brief, cg = original GPU miner bfg was based on, plus old bfgminer FPGA code with various things broken and a few minor things added

These days it usually only makes sense to use BFGMiner."

Anyone here beg to differ?
I've now rewritten all the old serial drivers to use the new usbutils in cgminer - that all the new drivers do/will use.
Ztex is still the same as it is libusb also - but doesn't handle hotplug since it is before the new code (and I don't have one)

3.1.1 doesn't have the new Icarus driver yet - that I've now written and is testing in git
The new driver to come Linux is OK for that, but Windows needs some work on it to solve some hotplug issues.

3.1.1 will auto detect and handle correctly BFL, BAJ and MMQ devices.
The Icarus driver is still the old serial-USB driver in 3.1.1

The next will include usbutils/auto/hotplug for all the Icarus: ICA, BLT, LLT and AMU (not 100% sure about CMR yet though)

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CKPool and CGMiner developer, IRC FreeNode #ckpool and #cgminer kanoi
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May 23, 2013, 09:32:32 PM
 #10300

Luke-Jr just posted this in the Cairnsmore FPGA thread:

"In brief, cg = original GPU miner bfg was based on, plus old bfgminer FPGA code with various things broken and a few minor things added

These days it usually only makes sense to use BFGMiner."

Anyone here beg to differ?
Ya, BFG is basically a ripoff of CG. LJR is always trying to discredit CGMiner at every turn, and promote his miner instead. He was the one to originally work on adding FPGA support to CGMiner, but the other devs couldn't work with him, so he make his own fork (now BFG). Both CG and BFG have now added support for different ASICs, but IMO Con and Kano do it better.See Here for the full story.

Ah - somehow thought so - funny how I gathered that from Luke-Jr's tone  Cool
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