I am having trouble with my USB3 drive, it drops the connection. I found this in dmesg: [59375.478410] usb 3-1: USB controller 0000:02:00.0 does not support streams, which are required by the UAS driver. I use kernel-4.0.4 [58247.659416] usb-storage 3-1:1.0: USB Mass Storage device detected [58247.659614] scsi host7: usb-storage 3-1:1.0 [58248.662967] scsi 7:0:0:0: Direct-Access Seagate Expansion 0502 PQ: 0 ANSI: 6 # lshw *-usb:3 description: USB controller product: SB7x0/SB8x0/SB9x0 USB EHCI Controller vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 13.2 bus info: pci@0000:00:13.2 version: 00 width: 32 bits clock: 66MHz capabilities: ehci bus_master cap_list configuration: driver=ehci-pci latency=32 resources: irq:17 memory:fe107000-fe1070ff -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html