Hello Tommy_CZ, The workaround you provided was a success. I was able to mount a USB 3.0 device and validated approximately 2x the data transmission speed. So USB 3.0 is now working for me.
Thank you for your support as I had nearly accepted the fate of using USB 2.0 on this machine, and this is great. I have no idea why: [GRUB_CMDLINE_LINUX="iommu=soft"] solves the problem- or what 'iommu=soft' represents either. I would like to know more about it or find a more permanent solution. Thanks again-- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1447267 Title: Ubuntu 14.04 AMD64 MSI 970 Gaming USB3.0 does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/external-storage-manager/+bug/1447267/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
