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Posts: 5 | Thanked: 0 times | Joined on Jun 2010 @ Brazil
#9
It has been a little while, and I've managed to test it on the real device, but when I ran it on my tablet, it displays the following error:

uru4000:error [dev_init] interface claim failed
fp:error [fp_dev_open] device initialisation failed, driver=uru4000
Note this time I don't have any ioctl error. But according to this article:
The one problem I ran into when using fprint was that I could not run fprint_demo without sudo.
The problem is, I'm already sudo! I've tried it through "sudo gainroot" and through ssh, but both failed. I'm running out of ideas. Do you have any to suggest?