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Author Topic: OLD: BFGMiner 3.10.0: modular ASIC+FPGA, GBT+Strtm, RPC, Mac/Lnx/W64, AntU1, DRB  (Read 1192929 times)
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November 18, 2013, 01:06:14 AM
 #1481

For some reason, unbeknownst to me, my Red Fury device is not hashing... Can anyone help? I have installed the drivers and bfgminer but can't seem to mine...

Code:
bfgminer version 3.5.1 - Started: [2013-11-17 20:02:48] - [  0 days 00:02:56]
 [M]anage devices [P]ool management [S]ettings [D]isplay options  [H]elp [Q]uit
 Connected to stratum.bitcoin.cz diff 1 with stratum as user LockUnlock.w1
 Block: ...ee328b8a #270211  Diff:609M ( 4.36Ph/s)  Started: [20:02:48]
 ST:2  F:0  NB:1  AS:0  BW:[ 58/  8 B/s]  E:0.00  I: 0.00 BTC/hr  BS:0
 0            |   0.0/  0.0/  0.0 h/s | A:0 R:0+0(none) HW:0/none
--------------------------------------------------------------------------------
 OCL 0:       | OFF  /  0.0/  0.0 h/s | A:0 R:0+0(none) HW:0/none
--------------------------------------------------------------------------------
 [2013-11-17 20:04:12] Attempting to reinitialize OCL 0
 [2013-11-17 20:04:12] OCL 0 (thread 0) being re-enabled
 [2013-11-17 20:04:12] Error -54: Enqueueing kernel onto command queue. (clEnque
ueNDRangeKernel)
 [2013-11-17 20:04:12] OCL 0 failure, disabling!
 [2013-11-17 20:04:12] OCL 0 (thread 0) being disabled
 [2013-11-17 20:04:39] Stratum from pool 0 requested work update
 [2013-11-17 20:05:09] Stratum from pool 0 requested work update
 [2013-11-17 20:05:38] Attempting to reinitialize OCL 0
 [2013-11-17 20:05:38] OCL 0 (thread 0) being re-enabled
 [2013-11-17 20:05:38] Error -54: Enqueueing kernel onto command queue. (clEnque
ueNDRangeKernel)
 [2013-11-17 20:05:38] OCL 0 failure, disabling!
 [2013-11-17 20:05:38] OCL 0 (thread 0) being disabled
 [2013-11-17 20:05:39] Stratum from pool 0 requested work update
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November 18, 2013, 01:57:23 AM
 #1482

I like the idea of GBT in general- it enforces some honesty on pool operators (not that any of them are dishonest, to my knowledge Wink)
Even if you assume the pool operator is perfectly honest, blind pooling makes the servers an excellent target for someone to break into...
If you can double-spend enough, it might even be profitable to organise a hold-up of all the big pool operators and force them to let you access the servers so you can do a 10-deep reorg or so.
Fully implemented GBT will make this kind of attack impractical, thus giving pool operators more personal security too. Smiley
But no one has fully implemented GBT - even you - even though it's been around for how looooooooooong.
Only due to lack of time.
It's a shame you and Con don't like collaboration, otherwise I might have more time to finish other things like this...

It would also be ideal to give some probability and statistical information about such an attack rather than blatantly ignoring that which determines the value of your comment ...
Probability of course always increases with price.

Yes you can also do the equivalent of a 50% attack on BTC with 100GH/s ...
What?

...
GBT is entirely unoptimised right now, so there's a possibility of improving it.
In theory, I should be able to reduce its CPU load to approximately the same as stratum's.
Just need to find the time... Smiley
Why?
There's been no need to optimise it.
Only recently have people been producing (this degree of) standalone miners with underpowered controllers builtin.
I guess I should have seen it coming with Avalon1/cgminer failing even with stratum when coinbases got larger...

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November 18, 2013, 01:58:30 AM
 #1483

For some reason, unbeknownst to me, my Red Fury device is not hashing... Can anyone help? I have installed the drivers and bfgminer but can't seem to mine...
Please paste output from:
Code:
bfgminer -S bigpic:all -d? -D

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November 18, 2013, 06:47:32 AM
 #1484

For some reason, unbeknownst to me, my Red Fury device is not hashing... Can anyone help? I have installed the drivers and bfgminer but can't seem to mine...
Please paste output from:
Code:
bfgminer -S bigpic:all -d? -D

Thanks to your earlier help Luke with 3.5.1 through to 3.6.0 I've had my Blue Furies running for about a week or more now. I've just read the above and wondering if maybe there's something I can be doing to improve performance with them. I have the following after the executable in my 3.6.0:

-o [pool name and port] -u [username] -p [password] -G -S bigpic:all

Should my code contain anything else please?

Really appreciate all your help.

Thanks very much,

Smiley



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November 18, 2013, 04:31:51 PM
 #1485

Dear all,

I'm trying to make an old, V1.0 board based on Intron's design which is very similar to BFSB's 450 GH/s miner. It has 16 Bitfury on a card and 16 card slots, the only difference is that instead of having an I2C selector for which card the SPI bus should talk to, it has a long chain of 16*16=256 Bitfury chips and it's attached to a RPI SPI port.

I modded the driver-bfsb.c file in order to scan only for one slot (the first and only, which is supposed to have 256 chips) but only 99 chips are detected! I tried to swap slots, use spare cards but nothing, the autodetection always stops at 99 chips. It is driving me crazy because there doesn't seem to be any "maximum chips" constant neither in the libbitfury.c nor in driver-bfsb.c, so I can't find where this limit comes from!

Can anybody help me or suggest me where to look at or had a similar problem?

Thanks in advance!
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November 18, 2013, 07:30:46 PM
 #1486

Should be something along the lines of:

git checkout bfgminer-3.5.x

Do this in the directory you have bfgminer cloned. This will switch the local workspace to that branch.

You can also jump to a specific Tag (version). Instructions here: http://stackoverflow.com/questions/791959/how-to-use-git-to-download-a-particular-tag

Thanks a million - firstly because this works (not getting the 60% or so HW errors I was getting with the Red Fury).

But secondly for being patient and helpful!  Turns out I was doing the right thing in the wrong directory; when I did it (as you said) in the cloned folder rather than the one above (where I'd run the original git clone) it worked fine.  Compiled 3.5.2 without issue.

Really appreciate it!   Smiley
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November 18, 2013, 07:33:47 PM
 #1487

Should be something along the lines of:

git checkout bfgminer-3.5.x

Do this in the directory you have bfgminer cloned. This will switch the local workspace to that branch.

You can also jump to a specific Tag (version). Instructions here: http://stackoverflow.com/questions/791959/how-to-use-git-to-download-a-particular-tag

Thanks a million - firstly because this works (not getting the 60% or so HW errors I was getting with the Red Fury).

But secondly for being patient and helpful!  Turns out I was doing the right thing in the wrong directory; when I did it (as you said) in the cloned folder rather than the one above (where I'd run the original git clone) it worked fine.  Compiled 3.5.2 without issue.

Really appreciate it!   Smiley

No prob... that's what the forum's for Wink

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November 18, 2013, 08:13:49 PM
 #1488

I've been using bfgminer for quite a while now and I love it.  One thing I've never been able to find is a current interface guide.  I understand most of the 3.6 interface, but could someone break down this line for me?

ST:28 F:2 NB:98 AS:0 BW:[137/90 B/s] E:26.81 I: 441uBTC/hr BS:65k

Thanks in advance: Curtis

From the BFGMiner README:

Quote
The BFGMiner status line shows:
 ST:1  F:0  NB:1  AS:0  BW:[ 75/241 B/s]  E:2.42  I:12.99mBTC/hr  BS:2.71k

ST is STaged work items (ready to use).
F  is network Failure occasions (server down or slow to provide work)
NB is New Blocks detected on the network
AS is Active Submissions (shares in the process of submitting)
BW is BandWidth usage on the network (received/sent)
E  is Efficiency defined as number of shares accepted (multiplied by their
          difficulty) per 2 KB of bandwidth
I  is expected Income, calculated by actual shares submitted in 100% PPS value
          (assumes Bitcoin, does not account for altcoin conversions!)
BS is the all time Best Share difficulty you've found


Thanks!
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November 18, 2013, 09:17:21 PM
 #1489

Hi so I just set up everything for my Red Fury miner. I'm also relatively new to mining. Is this what the console should display:

Code:
Block: ...fb4b2303 #270348  Diff:609M ( 4.36Ph/s)  Started: [16:14:25]
 ST:2  F:0  NB:3  AS:0  BW:[ 66/ 48 B/s]  E:10.11  I:83.51uBTC/hr  BS:135
 1            |  2.42/ 2.35/ 2.35Gh/s | A:170 R:3+0(1.9%) HW:14/5.2%
--------------------------------------------------------------------------------
 BPM 0:       |  2.36/ 2.35/ 2.36Gh/s | A:173 R:3+0(1.9%) HW:14/5.1%
--------------------------------------------------------------------------------
 [2013-11-18 16:14:46] Accepted e47ea3cf BPM 0  Diff 1/1
 [2013-11-18 16:14:47] Accepted ae3e1465 BPM 0  Diff 1/1
 [2013-11-18 16:14:50] Accepted 8df8a87e BPM 0  Diff 1/1
 [2013-11-18 16:14:53] Accepted c9eb947b BPM 0  Diff 1/1
 [2013-11-18 16:14:53] Accepted aaca12e6 BPM 0  Diff 1/1
 [2013-11-18 16:14:54] Accepted 235c9ca5 BPM 0  Diff 7/1
 [2013-11-18 16:14:54] Accepted 9ed8f56b BPM 0  Diff 1/1
 [2013-11-18 16:14:56] Stratum from pool 0 requested work update
 [2013-11-18 16:14:57] Accepted 2e960e2e BPM 0  Diff 5/1
 [2013-11-18 16:14:57] Accepted c38dee30 BPM 0  Diff 1/1
 [2013-11-18 16:15:02] Accepted c5b1b3f1 BPM 0  Diff 1/1
 [2013-11-18 16:15:07] Accepted 75521ed8 BPM 0  Diff 2/1
 [2013-11-18 16:15:11] Accepted b3160454 BPM 0  Diff 1/1
 [2013-11-18 16:15:11] Accepted 01ed42d3 BPM 0  Diff 132/1
 [2013-11-18 16:15:13] Accepted 53b929e3 BPM 0  Diff 3/1

Is there anything incorrect or odd? Or did I finally (spent a week trying to set this up) do it right?
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November 18, 2013, 09:19:43 PM
 #1490

Hi so I just set up everything for my Red Fury miner. I'm also relatively new to mining. Is this what the console should display:

Code:
Block: ...fb4b2303 #270348  Diff:609M ( 4.36Ph/s)  Started: [16:14:25]
 ST:2  F:0  NB:3  AS:0  BW:[ 66/ 48 B/s]  E:10.11  I:83.51uBTC/hr  BS:135
 1            |  2.42/ 2.35/ 2.35Gh/s | A:170 R:3+0(1.9%) HW:14/5.2%
--------------------------------------------------------------------------------
 BPM 0:       |  2.36/ 2.35/ 2.36Gh/s | A:173 R:3+0(1.9%) HW:14/5.1%
--------------------------------------------------------------------------------
 [2013-11-18 16:14:46] Accepted e47ea3cf BPM 0  Diff 1/1
 [2013-11-18 16:14:47] Accepted ae3e1465 BPM 0  Diff 1/1
 [2013-11-18 16:14:50] Accepted 8df8a87e BPM 0  Diff 1/1
 [2013-11-18 16:14:53] Accepted c9eb947b BPM 0  Diff 1/1
 [2013-11-18 16:14:53] Accepted aaca12e6 BPM 0  Diff 1/1
 [2013-11-18 16:14:54] Accepted 235c9ca5 BPM 0  Diff 7/1
 [2013-11-18 16:14:54] Accepted 9ed8f56b BPM 0  Diff 1/1
 [2013-11-18 16:14:56] Stratum from pool 0 requested work update
 [2013-11-18 16:14:57] Accepted 2e960e2e BPM 0  Diff 5/1
 [2013-11-18 16:14:57] Accepted c38dee30 BPM 0  Diff 1/1
 [2013-11-18 16:15:02] Accepted c5b1b3f1 BPM 0  Diff 1/1
 [2013-11-18 16:15:07] Accepted 75521ed8 BPM 0  Diff 2/1
 [2013-11-18 16:15:11] Accepted b3160454 BPM 0  Diff 1/1
 [2013-11-18 16:15:11] Accepted 01ed42d3 BPM 0  Diff 132/1
 [2013-11-18 16:15:13] Accepted 53b929e3 BPM 0  Diff 3/1

Is there anything incorrect or odd? Or did I finally (spent a week trying to set this up) do it right?

looks ok

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November 18, 2013, 09:37:16 PM
 #1491

Hi so I just set up everything for my Red Fury miner. I'm also relatively new to mining. Is this what the console should display:

Code:
Block: ...fb4b2303 #270348  Diff:609M ( 4.36Ph/s)  Started: [16:14:25]
 ST:2  F:0  NB:3  AS:0  BW:[ 66/ 48 B/s]  E:10.11  I:83.51uBTC/hr  BS:135
 1            |  2.42/ 2.35/ 2.35Gh/s | A:170 R:3+0(1.9%) HW:14/5.2%
--------------------------------------------------------------------------------
 BPM 0:       |  2.36/ 2.35/ 2.36Gh/s | A:173 R:3+0(1.9%) HW:14/5.1%
--------------------------------------------------------------------------------
 [2013-11-18 16:14:46] Accepted e47ea3cf BPM 0  Diff 1/1
 [2013-11-18 16:14:47] Accepted ae3e1465 BPM 0  Diff 1/1
 [2013-11-18 16:14:50] Accepted 8df8a87e BPM 0  Diff 1/1
 [2013-11-18 16:14:53] Accepted c9eb947b BPM 0  Diff 1/1
 [2013-11-18 16:14:53] Accepted aaca12e6 BPM 0  Diff 1/1
 [2013-11-18 16:14:54] Accepted 235c9ca5 BPM 0  Diff 7/1
 [2013-11-18 16:14:54] Accepted 9ed8f56b BPM 0  Diff 1/1
 [2013-11-18 16:14:56] Stratum from pool 0 requested work update
 [2013-11-18 16:14:57] Accepted 2e960e2e BPM 0  Diff 5/1
 [2013-11-18 16:14:57] Accepted c38dee30 BPM 0  Diff 1/1
 [2013-11-18 16:15:02] Accepted c5b1b3f1 BPM 0  Diff 1/1
 [2013-11-18 16:15:07] Accepted 75521ed8 BPM 0  Diff 2/1
 [2013-11-18 16:15:11] Accepted b3160454 BPM 0  Diff 1/1
 [2013-11-18 16:15:11] Accepted 01ed42d3 BPM 0  Diff 132/1
 [2013-11-18 16:15:13] Accepted 53b929e3 BPM 0  Diff 3/1

Is there anything incorrect or odd? Or did I finally (spent a week trying to set this up) do it right?

looks ok
Thanks!
Also the "BPM 0" stand for the Red Fury USB, correct? Just making sure that my gpu/cpu isn't involved Smiley
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November 18, 2013, 09:44:48 PM
 #1492


Also the "BPM 0" stand for the Red Fury USB, correct? Just making sure that my gpu/cpu isn't involved Smiley

Don't think you'd get that speed from CPU/GPU... If you do then I want to duplicate your setup!
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November 18, 2013, 10:46:30 PM
 #1493

Hi so I just set up everything for my Red Fury miner. I'm also relatively new to mining. Is this what the console should display:

Code:
Block: ...fb4b2303 #270348  Diff:609M ( 4.36Ph/s)  Started: [16:14:25]
 ST:2  F:0  NB:3  AS:0  BW:[ 66/ 48 B/s]  E:10.11  I:83.51uBTC/hr  BS:135
 1            |  2.42/ 2.35/ 2.35Gh/s | A:170 R:3+0(1.9%) HW:14/5.2%
--------------------------------------------------------------------------------
 BPM 0:       |  2.36/ 2.35/ 2.36Gh/s | A:173 R:3+0(1.9%) HW:14/5.1%
--------------------------------------------------------------------------------
 [2013-11-18 16:14:46] Accepted e47ea3cf BPM 0  Diff 1/1
 [2013-11-18 16:14:47] Accepted ae3e1465 BPM 0  Diff 1/1
 [2013-11-18 16:14:50] Accepted 8df8a87e BPM 0  Diff 1/1
 [2013-11-18 16:14:53] Accepted c9eb947b BPM 0  Diff 1/1
 [2013-11-18 16:14:53] Accepted aaca12e6 BPM 0  Diff 1/1
 [2013-11-18 16:14:54] Accepted 235c9ca5 BPM 0  Diff 7/1
 [2013-11-18 16:14:54] Accepted 9ed8f56b BPM 0  Diff 1/1
 [2013-11-18 16:14:56] Stratum from pool 0 requested work update
 [2013-11-18 16:14:57] Accepted 2e960e2e BPM 0  Diff 5/1
 [2013-11-18 16:14:57] Accepted c38dee30 BPM 0  Diff 1/1
 [2013-11-18 16:15:02] Accepted c5b1b3f1 BPM 0  Diff 1/1
 [2013-11-18 16:15:07] Accepted 75521ed8 BPM 0  Diff 2/1
 [2013-11-18 16:15:11] Accepted b3160454 BPM 0  Diff 1/1
 [2013-11-18 16:15:11] Accepted 01ed42d3 BPM 0  Diff 132/1
 [2013-11-18 16:15:13] Accepted 53b929e3 BPM 0  Diff 3/1

Is there anything incorrect or odd? Or did I finally (spent a week trying to set this up) do it right?

looks ok
Thanks!
Also the "BPM 0" stand for the Red Fury USB, correct? Just making sure that my gpu/cpu isn't involved Smiley

BPM is the red fury yes. i believe its for Big Picture Mining

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November 19, 2013, 03:13:29 AM
 #1494

Trying to get a Nanofury NF1 mining on Debian.

Compiled 3.6.0

This is what I get:

Code:
#    ./bfgminer -S NFY:all -d? -D
 [2013-11-19 13:10:50] setrlimit: Soft fd limit not being changed from 1024 (FD_SETSIZE=1024; hard limit=4096)                   
 [2013-11-19 13:10:50] Started bfgminer 3.6.0                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:002:003 (path=(null), vid=04d8, pid=00de, manuf=Microchip Technology Inc., prod=NanoFury NF1 v0.6, serial=0000073625)                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:005:001 (path=(null), vid=1d6b, pid=0001, manuf=Linux 2.6.32-23-pve uhci_hcd, prod=UHCI Host Controller, serial=0000:00:1d.3)                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:004:001 (path=(null), vid=1d6b, pid=0001, manuf=Linux 2.6.32-23-pve uhci_hcd, prod=UHCI Host Controller, serial=0000:00:1d.2)                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:003:001 (path=(null), vid=1d6b, pid=0001, manuf=Linux 2.6.32-23-pve uhci_hcd, prod=UHCI Host Controller, serial=0000:00:1d.1)                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:002:001 (path=(null), vid=1d6b, pid=0001, manuf=Linux 2.6.32-23-pve uhci_hcd, prod=UHCI Host Controller, serial=0000:00:1d.0)                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:001:001 (path=(null), vid=1d6b, pid=0002, manuf=Linux 2.6.32-23-pve ehci_hcd, prod=EHCI Host Controller, serial=0000:00:1d.7)                   
 [2013-11-19 13:10:50] Devices detected:                   
 [2013-11-19 13:10:50] Timers: Using clock_gettime(CLOCK_MONOTONIC_RAW)                   
0 devices listed

So it can detect the NF1 but says it's disabled.

Any ideas?

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November 19, 2013, 03:30:12 AM
 #1495

Trying to get a Nanofury NF1 mining on Debian.

Compiled 3.6.0

This is what I get:

Code:
#    ./bfgminer -S NFY:all -d? -D
 [2013-11-19 13:10:50] setrlimit: Soft fd limit not being changed from 1024 (FD_SETSIZE=1024; hard limit=4096)                   
 [2013-11-19 13:10:50] Started bfgminer 3.6.0                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:002:003 (path=(null), vid=04d8, pid=00de, manuf=Microchip Technology Inc., prod=NanoFury NF1 v0.6, serial=0000073625)                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:005:001 (path=(null), vid=1d6b, pid=0001, manuf=Linux 2.6.32-23-pve uhci_hcd, prod=UHCI Host Controller, serial=0000:00:1d.3)                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:004:001 (path=(null), vid=1d6b, pid=0001, manuf=Linux 2.6.32-23-pve uhci_hcd, prod=UHCI Host Controller, serial=0000:00:1d.2)                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:003:001 (path=(null), vid=1d6b, pid=0001, manuf=Linux 2.6.32-23-pve uhci_hcd, prod=UHCI Host Controller, serial=0000:00:1d.1)                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:002:001 (path=(null), vid=1d6b, pid=0001, manuf=Linux 2.6.32-23-pve uhci_hcd, prod=UHCI Host Controller, serial=0000:00:1d.0)                   
 [2013-11-19 13:10:50] lowlevel_scan: Found usb device at usb:001:001 (path=(null), vid=1d6b, pid=0002, manuf=Linux 2.6.32-23-pve ehci_hcd, prod=EHCI Host Controller, serial=0000:00:1d.7)                   
 [2013-11-19 13:10:50] Devices detected:                   
 [2013-11-19 13:10:50] Timers: Using clock_gettime(CLOCK_MONOTONIC_RAW)                   
0 devices listed

So it can detect the NF1 but says it's disabled.

Any ideas?


Looks like you built without nanofury support.
That's the default if you're missing the hidapi dependency... (README)

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November 19, 2013, 05:05:51 AM
 #1496

Looks like you built without nanofury support.
That's the default if you're missing the hidapi dependency... (README)
I compiled and installed the hidapi from https://github.com/signal11/hidapi and the bfgminer config.log says it can't find it. What's the trick?

There is no hidapi.pc there is a /usr/local/src/hidapi/pc/hidapi.pc.in


Quote
# grep hidapi config.log
configure:10620: checking for hidapi
configure:10627: $PKG_CONFIG --exists --print-errors "$_hidapi_lib"
Package hidapi was not found in the pkg-config search path.
Perhaps you should add the directory containing `hidapi.pc'
No package 'hidapi' found
configure:10644: $PKG_CONFIG --exists --print-errors "$_hidapi_lib"
Package hidapi was not found in the pkg-config search path.
Perhaps you should add the directory containing `hidapi.pc'
No package 'hidapi' found
No package 'hidapi' found
configure:10620: checking for hidapi
configure:10627: $PKG_CONFIG --exists --print-errors "$_hidapi_lib"
configure:10644: $PKG_CONFIG --exists --print-errors "$_hidapi_lib"
ac_cv_env_hidapi_CFLAGS_set=
ac_cv_env_hidapi_CFLAGS_value=
ac_cv_env_hidapi_LIBS_set=
ac_cv_env_hidapi_LIBS_value=
pkg_cv_hidapi_CFLAGS='-I/usr/local/include/hidapi  '
pkg_cv_hidapi_LIBS='-L/usr/local/lib -lhidapi-hidraw  '
hidapi_CFLAGS='-I/usr/local/include/hidapi  '
hidapi_LIBS='-L/usr/local/lib -lhidapi-hidraw  '
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November 19, 2013, 10:15:16 AM
 #1497

Dear all,

I'm trying to make an old, V1.0 board based on Intron's design which is very similar to BFSB's 450 GH/s miner. It has 16 Bitfury on a card and 16 card slots, the only difference is that instead of having an I2C selector for which card the SPI bus should talk to, it has a long chain of 16*16=256 Bitfury chips and it's attached to a RPI SPI port.

I modded the driver-bfsb.c file in order to scan only for one slot (the first and only, which is supposed to have 256 chips) but only 99 chips are detected! I tried to swap slots, use spare cards but nothing, the autodetection always stops at 99 chips. It is driving me crazy because there doesn't seem to be any "maximum chips" constant neither in the libbitfury.c nor in driver-bfsb.c, so I can't find where this limit comes from!

Can anybody help me or suggest me where to look at or had a similar problem?

Thanks in advance!

Giorgio - a few things from my recollection while reading the various forums - I think at some point Metabank and BFSB had issues with chains longer than 64 chips, which is why they ended up splitting them into smaller chains.

As for the limitation - I'm not sure which version and which branch are you using, but in the beginning Legkodymov (who did the first cgminer clone and most people have been starting from his version) had a limitation of 100 chips. Later that limitation became 200 chips. Look into miner.h:
Code:
struct cgpu_info {
int cgminer_id;
struct device_drv *drv;
...
#ifdef USE_BITFURY
int chip_n;
struct bitfury_device devices[200]; // TODO Move somewhere to appropriate place
#endif
...

Feel free to PM me if you have any questions as I don't want to pollute this thread with an unrelated discussion (we can continue in the one from bitfury - the FREE MONEY one and majority of the people who initially made their own boards still follow it and might be able to add more details).

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November 19, 2013, 02:59:56 PM
 #1498

Hello, what is actual queue for Little Single (30Gh\s) in solo? I'm tired of fighting with "Automatic queue" in 3.5.0 and 3.6.0 has the same problem. Now i set manually queue=60 and it still says that staged work underrun...



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November 19, 2013, 03:05:48 PM
 #1499

Hello, what is actual queue for Little Single (30Gh\s) in solo? I'm tired of fighting with "Automatic queue" in 3.5.0 and 3.6.0 has the same problem. Now i set manually queue=60 and it still says that staged work underrun...





Do you have coinbase-addr and coinbase-sig set, as in the SOLO MINING section of the README?  If not, I imagine you are connecting to bitcoin-qt/bitcoind with getwork which is just not fast enough for ASIC mining hardware.

If you set coinbase-addr and coinbase sig, BFGMiner will use GBT, which should solve your problem.

Libertarians:  Diligently plotting to take over the world and leave you alone.
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November 19, 2013, 03:51:27 PM
Last edit: November 19, 2013, 04:31:26 PM by qqqq
 #1500

Hello, what is actual queue for Little Single (30Gh\s) in solo? I'm tired of fighting with "Automatic queue" in 3.5.0 and 3.6.0 has the same problem. Now i set manually queue=60 and it still says that staged work underrun...





Do you have coinbase-addr and coinbase-sig set, as in the SOLO MINING section of the README?  If not, I imagine you are connecting to bitcoin-qt/bitcoind with getwork which is just not fast enough for ASIC mining hardware.

If you set coinbase-addr and coinbase sig, BFGMiner will use GBT, which should solve your problem.


No, i'm not. i thought just adding http:// for ip or localhost allow use GBT. Ok i will try that way.

Seems to be solved, thanks.
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