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Author Topic: [SOLVED kind of] Tweak Raspberry Pi to handle a lot more USB devices?  (Read 1457 times)
Tamerz (OP)
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November 02, 2013, 01:13:59 AM
Last edit: November 02, 2013, 03:37:03 PM by Tamerz

EDIT2: So the rpi-update did get it to see all devices and it was running full speed. However, I kept an eye on it and the hashrate slowly crept downward. Eventually it had dropped significantly enough where it wasn't worth running it on the Pi. The general consensus at the Raspberry Pi forums is that it just cannot deal with that many devices.

EDIT: Sorry, for the waste of space. I found on the Raspberry Pi forums to run rpi-update to make sure the Pi has the latest firmware. Once I did that and rebooted it, it started seeing every single device and is mining away. Now I just hope it doesn't lock up on me.

I have ~97 block erupters, two Avalon based BitBurners, and one BFL SC running. I bought a Raspberry Pi to run it all.

First I tried MinePeon and it simply did not see all the devices. No big deal, I wanted to put a full Raspbian install on anyway but MinePeon was faster to get up.

I installed Raspbian and built cgminer from source. It runs fine with half the Block Erupters and the Bitburners but locked up on me in the middle of the night. I started it all up again only with more Block Erupters and it just doesn't seem to see everything.

I built cgminer on my Xubuntu laptop and plugged all the miners in the exact same way and it has been running rock solid at ~100 - 105 GH/sec. I want my laptop back though!

Any suggestions? Does the kernel perhaps need to be rebuilt with different options since the default maybe doesn't consider that many USB devices?
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November 12, 2014, 02:51:02 PM

I believe the com port limitations on a raspberry pi are around 30-40 devices
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