<p>When using the [M] option in the console window and then using [+] to add devices you can type in "all" and this should select the ASIC USB Block Erupters and not the CPU. I had the same issue when I typed in "auto" which directs bfgminer to start looking for devices on your system to use for mining. Try doing [M] then [+] and typing "all" and then [Enter]</p>

CC BY-SA 3.0
2014-01-24T02:50:20.423Z
2014-01-24T02:50:20.423Z
tronmcp
<p>I noticed that bfgminer is using 100% CPU on my Linux system even though it's using a Block Erupter ASIC.  Why is it using so much CPU? Is it possible to prevent that?</p>

<mining-pools>
bfgminer using 100% CPU
RentFree
# bfgminer using 100% CPU

(Asked by: username_0 on 2013-12-09)

I noticed that bfgminer is using 100% CPU on my Linux system even though it's using a Block Erupter ASIC. Why is it using so much CPU? Is it possible to prevent that?

**Tags:** mining-pools


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## 1 answers

### Answer by username_1 on 2014-01-24. Score: 2

When using the [M] option in the console window and then using [+] to add devices you can type in "all" and this should select the ASIC USB Block Erupters and not the CPU. I had the same issue when I typed in "auto" which directs bfgminer to start looking for devices on your system to use for mining. Try doing [M] then [+] and typing "all" and then [Enter]


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