Mh don't think. Re-arranged everything as well as the fans:

Code:

BIF 0: 48.7C | 5.62/ 5.60/ 4.71Gh/s | A:157 R: 5+0(1.2%) HW:263/ 14%
BIF 1: 42.0C | 5.67/ 5.65/ 5.13Gh/s | A:176 R: 4+1(.99%) HW:185/9.2%
BIF 2: 39.8C | 5.39/ 5.37/ 5.24Gh/s | A:164 R: 1+1(.52%) HW: 58/3.0%

So it is much cooler now but still the same difference in hardware failures (running 25 minutes now). Have 3 10 port usb 3.0 hubs and 1 bi*fury attached to every hub + 9 BEEs for the rest.
Any other ideas?

Quote from: 303 on January 08, 2014, 02:56:20 AM

Quote from: tankmann on January 07, 2014, 01:11:08 PM

Hey,

I have a question about hardware errors. I have 3 BIF running under ubuntu / bfg 3.9 with 15 BEEs...
The hardware issues are droping the performance, here is an extract after running for 22 hours. Any ideas whats up? Couldn't be temperature and it is plugged into a 10 port USB 3.0 hub with 7 BEEs... Had the same data when they were in the same hub with 3 BEEs.

3.9 % is okay IMO, but 11% and 15% are too high? Using default settings (no changes to the Oscillator bits).

Thanks

Code:

bfgminer version 3.9.0 - Started: [2014-01-06 16:02:04] - [ 0 days 22:04:57]
Connected to eu-stratum-lb489kj.btcguild.com diff 16 with stratum as user XXX
Block: ...ccf74b16 #279120 Diff:1.42G (10.15Ph/s) Started: [14:02:35]
ST:7 F:0 NB:178 AS:0 BW:[ 52/ 36 B/s] E:106.00 I: 292uBTC/hr BS:652k
18/21 56.8C | 23.17/21.64/19.75Gh/s | A:23027 R:133+0(.54%) HW:31035/7.8%
--------------------------------------------------------------------------------
.
.
.
BEE14: | 336.0/335.8/338.8Mh/s | A: 368 R: 0+0(none) HW: 21/.33%
BEE15: | 336.0/336.0/328.3Mh/s | A: 381 R: 1+0(.26%) HW: 36/.59%
BIF 0: 47.1C | 5.37/ 5.37/ 5.12Gh/s | A: 5997 R: 44+0(.68%) HW: 3907/3.9%
BIF 1: 55.6C | 5.63/ 5.62/ 4.95Gh/s | A: 5838 R: 36+0(.59%) HW:11259/ 11%
BIF 2: 56.8C | 5.59/ 5.59/ 4.68Gh/s | A: 5454 R: 32+0(.52%) HW:15431/ 15%
--------------------------------------------------------------------------------

How are you sure it isn't temperature? Mine is running >10º C less than that. Do you have any fans on the assembly? Before I put one on mine I had failures all the time.

tankmann

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