BFGMiner 5.5.0: CPU/GPU/FPGA/ASIC mining software, GBT+Stratum, RPC, Linux/Win64

[Luke-Jr]

Hi Luke,
I would like to use my multi-core/clusters and special coprocessors for mining. I would like to write my special drivers (CPU/cluster based). Where is in the source code I should make change or start from?
 Thanks, John

If your system supports OpenCL already, you may be able to just replace CL_DEVICE_TYPE_GPU in ocl.c
If it's similar enough to the existing CPU mining, driver-cpu.c may be the place to hook into the CPU mining stuff.
If it needs an entirely new driver, the HACKING document is a good reference.

Started using BFGMiner with my KNCMINER Jupiter

is there anyway to temporarily disable mining within the software?

Like Pause mining ?

See README.

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[adaseb]

Hi Luke,
I would like to use my multi-core/clusters and special coprocessors for mining. I would like to write my special drivers (CPU/cluster based). Where is in the source code I should make change or start from?
 Thanks, John

If your system supports OpenCL already, you may be able to just replace CL_DEVICE_TYPE_GPU in ocl.c
If it's similar enough to the existing CPU mining, driver-cpu.c may be the place to hook into the CPU mining stuff.
If it needs an entirely new driver, the HACKING document is a good reference.

Started using BFGMiner with my KNCMINER Jupiter

is there anyway to temporarily disable mining within the software?

Like Pause mining ?

See README.

I read both the README and README.ASIC and there is nothing about pausing or stopping mining.

[Luke-Jr]

Hi Luke,
I would like to use my multi-core/clusters and special coprocessors for mining. I would like to write my special drivers (CPU/cluster based). Where is in the source code I should make change or start from?
 Thanks, John

If your system supports OpenCL already, you may be able to just replace CL_DEVICE_TYPE_GPU in ocl.c
If it's similar enough to the existing CPU mining, driver-cpu.c may be the place to hook into the CPU mining stuff.
If it needs an entirely new driver, the HACKING document is a good reference.

Started using BFGMiner with my KNCMINER Jupiter

is there anyway to temporarily disable mining within the software?

Like Pause mining ?

See README.

I read both the README and README.ASIC and there is nothing about pausing or stopping mining.

--sched-start <arg> Set a time of day in HH:MM to start mining (a once off without a stop time)
--sched-stop <arg>  Set a time of day in HH:MM to stop mining (will quit without a start time)

You can also manually either disable all devices (individually) or disable all pools.

[adaseb]

Hi Luke,
I would like to use my multi-core/clusters and special coprocessors for mining. I would like to write my special drivers (CPU/cluster based). Where is in the source code I should make change or start from?
 Thanks, John

If your system supports OpenCL already, you may be able to just replace CL_DEVICE_TYPE_GPU in ocl.c
If it's similar enough to the existing CPU mining, driver-cpu.c may be the place to hook into the CPU mining stuff.
If it needs an entirely new driver, the HACKING document is a good reference.

Started using BFGMiner with my KNCMINER Jupiter

is there anyway to temporarily disable mining within the software?

Like Pause mining ?

See README.

I read both the README and README.ASIC and there is nothing about pausing or stopping mining.

--sched-start <arg> Set a time of day in HH:MM to start mining (a once off without a stop time)
--sched-stop <arg>  Set a time of day in HH:MM to stop mining (will quit without a start time)

You can also manually either disable all devices (individually) or disable all pools.

I see. How do I run this from the command terminal.

/etc/init.d/bfgminer --sched-stop

doesn't work.

[hurricandave]

Set a time of day in HH:MM to stop mining (will quit without a start time)

[movellan]

Have been using BFGMiner 5.0 with Bitcoin Core 9.3 to do some solo mining. Just switched to the new 10.0 Core and now BFG doesn't see any pool available. Using same "bitcoin-qt.exe -server" command to run Bitcoin. What am I missing? TIA.

[Luke-Jr]

Have been using BFGMiner 5.0 with Bitcoin Core 9.3 to do some solo mining. Just switched to the new 10.0 Core and now BFG doesn't see any pool available. Using same "bitcoin-qt.exe -server" command to run Bitcoin. What am I missing? TIA.

You mean 0.10, which had release notes explaining that it included BIP66, and also that this means you need to upgrade your miner...
BFGMiner 5.1's release notes also mentioned the need to upgrade.

[movellan]

Have been using BFGMiner 5.0 with Bitcoin Core 9.3 to do some solo mining. Just switched to the new 10.0 Core and now BFG doesn't see any pool available. Using same "bitcoin-qt.exe -server" command to run Bitcoin. What am I missing? TIA.

You mean 0.10, which had release notes explaining that it included BIP66, and also that this means you need to upgrade your miner...
BFGMiner 5.1's release notes also mentioned the need to upgrade.

Thank you Luke-Jr. BFG 5.10 did the trick.

[JohnS2k]

Hi Luke,
Many thanks. May I ask what is the quick test to know that my system is practically useful? I mean how fast it should be as I read in the CPU README, you said it not worth it to try. As I am new to bitcoin miner,  please advice what I would expect and should do/do not.  Thanks, John.

Hi Luke,
I would like to use my multi-core/clusters and special coprocessors for mining. I would like to write my special drivers (CPU/cluster based). Where is in the source code I should make change or start from?
 Thanks, John

If your system supports OpenCL already, you may be able to just replace CL_DEVICE_TYPE_GPU in ocl.c
If it's similar enough to the existing CPU mining, driver-cpu.c may be the place to hook into the CPU mining stuff.
If it needs an entirely new driver, the HACKING document is a good reference.

[Luke-Jr]

Many thanks. May I ask what is the quick test to know that my system is practically useful? I mean how fast it should be as I read in the CPU README, you said it not worth it to try. As I am new to bitcoin miner,  please advice what I would expect and should do/do not.  Thanks, John.

Bitcoin mining with a CPU, no matter what kind of CPU, will never be practically useful for more than testing.

[j1pvt]

5.1 update problem
HTTP request failed: Protocol "stratum+tcp" not supported or disabled in libcurl
easyminer running BFL machine.

[Luke-Jr]

5.1 update problem
HTTP request failed: Protocol "stratum+tcp" not supported or disabled in libcurl
easyminer running BFL machine.

This message is normal (libcurl does not support stratum, so BFG uses its own).
Is there an actual problem?

[j1pvt]

5.1 update problem
HTTP request failed: Protocol "stratum+tcp" not supported or disabled in libcurl
easyminer running BFL machine.

This message is normal (libcurl does not support stratum, so BFG uses its own).
Is there an actual problem?

Will not connect after 5.1 update
Will not connect to ghash pool
Been running with no hitches on the same settings for over a year now
Updated this morning and get this error code , wont connect.

[Luke-Jr]

5.1 update problem
HTTP request failed: Protocol "stratum+tcp" not supported or disabled in libcurl
easyminer running BFL machine.

This message is normal (libcurl does not support stratum, so BFG uses its own).
Is there an actual problem?

Will not connect after 5.1 update
Will not connect to ghash pool
Been running with no hitches on the same settings for over a year now
Updated this morning and get this error code , wont connect.

Can you upload a full debug log to Google Drive and send me a link?
bfgminer --debuglog --log-file debug.log

[hurricandave]

Ghash is possibly under ddos attack since yesterday.

[Luke-Jr]

Ghash is possibly under ddos attack since yesterday.

Good point...
Eligius received notification that we will be constantly under DDoS as well (although wizkid057 has things setup well enough that we don't even really notice).

[hurricandave]

BTC Guild just posted its under attack as well.

[j1pvt]

5.1 update problem
HTTP request failed: Protocol "stratum+tcp" not supported or disabled in libcurl
easyminer running BFL machine.

This message is normal (libcurl does not support stratum, so BFG uses its own).
Is there an actual problem?

Will not connect after 5.1 update
Will not connect to ghash pool
Been running with no hitches on the same settings for over a year now
Updated this morning and get this error code , wont connect.

Can you upload a full debug log to Google Drive and send me a link?
bfgminer --debuglog --log-file debug.log

Thank you Luke,
The problem seems to have miraculously subsided.
Left the miner overnight on retry at 5 minute intervals and by morning it had reconnected and was hashing......
?!?
So all good for now and I will def do a log for you if it happens again
Many thanks.

[Mikestang]

--request-diff <arg> does not appear to function for me, where <arg> has been 1.0, 2.0, 2, 6 in my efforts to get it working.  No matter what value I input the pool starts me at 1k difficulty.  Would it depend on the pool I'm connecting to whether or not that command gets accepted?  The difficulty auto-adjusts down after several minutes, but I would like to avoid that period of auto adjustment.  Using a single nanofury usb stick.  Thanks.

[Luke-Jr]

--request-diff <arg> does not appear to function for me, where <arg> has been 1.0, 2.0, 2, 6 in my efforts to get it working.  No matter what value I input the pool starts me at 1k difficulty.  Would it depend on the pool I'm connecting to whether or not that command gets accepted?  The difficulty auto-adjusts down after several minutes, but I would like to avoid that period of auto adjustment.  Using a single nanofury usb stick.  Thanks.

It's just a request. Pools can just ignore it (and most do).