Hello,
today arrived second USB Block Erupter, so i connected it to my Debian linux server. But its slower than mining with only one !
Here is output:
cgminer version 3.3.4 - Started: [2013-08-26 14:22:38]
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(5s):182.8M (avg):204.0Mh/s | A:38 R:0 HW:0 WU:2.8/m
ST: 1 SS: 0 NB: 4 LW: 89 GF: 0 RF: 0
Connected to stratum.bitcoin.cz diff 1 with stratum as user XXXXXXX
Block: 0028d887a81b58f1... Diff:65.8M Started: [14:34:42] Best share: 30
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[P]ool management [S]ettings [D]isplay options [Q]uit
AMU 0: | 250.7M/122.6Mh/s | A:24 R:0 HW:0 WU:1.8/m
AMU 1: | 198.2M/81.40Mh/s | A:14 R:0 HW:0 WU:1.0/m
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[2013-08-26 14:34:34] Accepted 5c5f7265 Diff 2/1 AMU 1
[2013-08-26 14:34:42] Network diff set to 65.8M
[2013-08-26 14:34:42] Stratum from pool 0 detected new block
[2013-08-26 14:35:34] AMU0: TIMEOUT GetResults took 63648ms but was 100ms
[2013-08-26 14:35:34] AMU1: TIMEOUT GetResults took 60000ms but was 100ms
[2013-08-26 14:35:36] AMU1: TIMEOUT GetResults took 2490ms but was 100ms
[2013-08-26 14:35:36] Accepted 199c20c7 Diff 9/1 AMU 1
[2013-08-26 14:35:38] AMU0: TIMEOUT GetResults took 4164ms but was 100ms
[2013-08-26 14:35:38] Accepted 1fae288c Diff 8/1 AMU 0
[2013-08-26 14:35:49] AMU0: TIMEOUT GetResults took 11220ms but was 100ms
[2013-08-26 14:35:49] Accepted c4524192 Diff 1/1 AMU 0
I tried it on Windows computer with BitMinter client and it works normally at speed of 655Mh/s
P.S. I am using powered USB HUB, because Windows computer canīt handle 2 Block Erupters