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Author Topic: CGMiner Issues - libusb_init() failure  (Read 1958 times)
Ryu.Hayabusa (OP)
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November 10, 2013, 01:03:23 PM
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Hey all!

Well I used to have this working some months ago, though it was glitchy at best, and was using a way older version.

GPU: 1x Sapphire Vapor-X 7950
AMD Driver: 13.9
OS: Windows 7 x64
Command Line: cgminer.exe --scrypt -o stratum+tcp://server:port -u user -p pass -I13
(server:port, user, and pass have all been set in the .bat)

On the current 3.7.2, I can't even get the miner to start as I crash with this error instantly upon starting it:
libusb_init() failed err -99 [2013-11-10 04:57:24] libusb_init() failed

I did try an older 3.0.1 build and it crashes as well, no message in the console but the module that crashed is libusb-1.0.dll.  I also tried 2.7.7 which starts correctly but only will mine at around 5khash/s.

I did some searching on google but so far have come up with nothing as to where to even start troubleshooting the libusb crashing issue.  I am not using any USB FPGA/ASIC miners and the only usb devices attached are a keyboard and mouse.

Any thoughts or advice would be greatly appreciated.

If I was able to help you out, please consider donating.  Any amount is greatly appreciated! Smiley         
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