#461 2.4.13 can not work by use USB3.0(superspeed)

[JamesChiang]

I want link my digital cemera to PC(unbuntu12.04) by USB3.0(superspeed ) , the camera icon had run, but can not transfer the camera files.
but I link my digital cemera to PC(unbuntu14.10) by USB3.0(superspeed ) , can work fine.
I try find the problem,use dpkg -l to find libgphoto2 version are difference.
12.04 is Libgphoto2-2 2.4.13-1ubuntu1.2, 14.10 is Libgphoto2-6 2.5.4-1ubuntu4.
what are 2-2 and 2-6 difference ?
I download libgphoto2-2.5.7 and use gphoto2-2.5.6 can work find by use commandline, but can't work on ubuntu default camerea.app .
what can I do can use USB3.0 by default camera.app on ubuntu12.04? Thanks