My usb 3.0 device is not working on my usb 3.0 port. If you look at my output my computer supports it.

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 003: ID 058f:6364 Alcor Micro Corp.
Bus 005 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 004 Device 002: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser
Bus 005 Device 003: ID 0a5c:4502 Broadcom Corp. Keyboard (Boot Interface Subclass)
Bus 005 Device 004: ID 0a5c:4503 Broadcom Corp. Mouse (Boot Interface Subclass)


dmesg | grep xhci

[ 1.599372] xhci_hcd 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 1.599385] xhci_hcd 0000:01:00.0: setting latency timer to 64
[ 1.599387] xhci_hcd 0000:01:00.0: xHCI Host Controller
[ 1.599430] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 8
[ 1.708103] xhci_hcd 0000:01:00.0: irq 16, io mem 0xfdcfe000
[ 1.708137] xhci_hcd 0000:01:00.0: irq 48 for MSI/MSI-X
[ 1.708141] xhci_hcd 0000:01:00.0: irq 49 for MSI/MSI-X
[ 1.708144] xhci_hcd 0000:01:00.0: irq 50 for MSI/MSI-X
[ 1.708147] xhci_hcd 0000:01:00.0: irq 51 for MSI/MSI-X
[ 1.708151] xhci_hcd 0000:01:00.0: irq 52 for MSI/MSI-X
[ 1.708154] xhci_hcd 0000:01:00.0: irq 53 for MSI/MSI-X
[ 1.708158] xhci_hcd 0000:01:00.0: irq 54 for MSI/MSI-X
[ 1.708232] usb usb8: Manufacturer: Linux 3.2.9-2.fc16.x86_64 xhci_hcd
[ 1.708305] xHCI xhci_add_endpoint called for root hub
[ 1.708307] xHCI xhci_check_bandwidth called for root hub
[ 1.708367] xhci_hcd 0000:01:00.0: xHCI Host Controller
[ 1.708400] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 9
[ 1.711459] usb usb9: Manufacturer: Linux 3.2.9-2.fc16.x86_64 xhci_hcd
[ 1.711530] xHCI xhci_add_endpoint called for root hub
[ 1.711531] xHCI xhci_check_bandwidth called for root hub
[ 2.664223] usb 9-1: new SuperSpeed USB device number 2 using xhci_hcd
[ 2.677461] xhci_hcd 0000:01:00.0: WARN: short transfer on control ep
[ 2.677838] xhci_hcd 0000:01:00.0: WARN: short transfer on control ep
[ 2.678212] xhci_hcd 0000:01:00.0: WARN: short transfer on control ep
[ 2.678587] xhci_hcd 0000:01:00.0: WARN: short transfer on control ep
[ 1369.151077] xhci_hcd 0000:01:00.0: PME# enabled
[ 1369.546284] xhci_hcd 0000:01:00.0: restoring config space at offset 0xf (was 0x100, writing 0x10b)
[ 1369.546295] xhci_hcd 0000:01:00.0: restoring config space at offset 0x4 (was 0x4, writing 0xfdcfe004)
[ 1369.546298] xhci_hcd 0000:01:00.0: restoring config space at offset 0x3 (was 0x0, writing 0x10)
[ 1369.546302] xhci_hcd 0000:01:00.0: restoring config space at offset 0x1 (was 0x100000, writing 0x100402)
[ 1369.546328] xhci_hcd 0000:01:00.0: PME# disabled
[ 1369.547296] xhci_hcd 0000:01:00.0: setting latency timer to 64
[ 1369.656543] xhci_hcd 0000:01:00.0: irq 48 for MSI/MSI-X
[ 1369.656548] xhci_hcd 0000:01:00.0: irq 49 for MSI/MSI-X
[ 1369.656552] xhci_hcd 0000:01:00.0: irq 50 for MSI/MSI-X
[ 1369.656556] xhci_hcd 0000:01:00.0: irq 51 for MSI/MSI-X
[ 1369.656560] xhci_hcd 0000:01:00.0: irq 52 for MSI/MSI-X
[ 1369.656564] xhci_hcd 0000:01:00.0: irq 53 for MSI/MSI-X
[ 1369.656568] xhci_hcd 0000:01:00.0: irq 54 for MSI/MSI-X
[ 1374.974070] xhci_hcd 0000:01:00.0: Timeout while waiting for address device command
[ 1380.175069] xhci_hcd 0000:01:00.0: Timeout while waiting for address device command
[ 1385.478123] xhci_hcd 0000:01:00.0: Timeout while waiting for address device command
[ 1390.679077] xhci_hcd 0000:01:00.0: Timeout while waiting for address device command
[ 1395.982083] xhci_hcd 0000:01:00.0: Timeout while waiting for address device command
[ 1401.183077] xhci_hcd 0000:01:00.0: Timeout while waiting for address device command
[ 1406.486082] xhci_hcd 0000:01:00.0: Timeout while waiting for address device command
[ 1411.687065] xhci_hcd 0000:01:00.0: Timeout while waiting for address device command
[ 1416.892102] xhci_hcd 0000:01:00.0: Timeout while waiting for a slot
[ 1583.380068] xhci_hcd 0000:01:00.0: Timeout while waiting for a slot
[ 1686.490097] xhci_hcd 0000:01:00.0: Timeout while waiting for a slot
[ 2203.152129] xhci_hcd 0000:01:00.0: Timeout while waiting for a slot


dmesg | grep ehci
[ 1.773084] usb 2-5: new high-speed USB device number 3 using ehci_hcd
[ 1366.504050] ehci_hcd 0000:00:13.2: PCI INT B disabled
[ 1366.534049] ehci_hcd 0000:00:12.2: PCI INT B disabled
[ 1369.162200] ehci_hcd 0000:00:13.2: PME# enabled
[ 1369.162202] ehci_hcd 0000:00:13.2: wake-up capability enabled by ACPI
[ 1369.173124] ehci_hcd 0000:00:12.2: PME# enabled
[ 1369.173127] ehci_hcd 0000:00:12.2: wake-up capability enabled by ACPI
[ 1369.535075] ehci_hcd 0000:00:12.2: BAR 0: set to [mem 0xfe02c000-0xfe02c0ff] (PCI address [0xfe02c000-0xfe02c0ff])
[ 1369.535103] ehci_hcd 0000:00:12.2: restoring config space at offset 0x1 (was 0x2b00000, writing 0x2b00012)
[ 1369.535122] ehci_hcd 0000:00:12.2: wake-up capability disabled by ACPI
[ 1369.535126] ehci_hcd 0000:00:12.2: PME# disabled
[ 1369.546054] ehci_hcd 0000:00:13.2: BAR 0: set to [mem 0xfe029000-0xfe0290ff] (PCI address [0xfe029000-0xfe0290ff])
[ 1369.546081] ehci_hcd 0000:00:13.2: restoring config space at offset 0x1 (was 0x2b00000, writing 0x2b00012)
[ 1369.546099] ehci_hcd 0000:00:13.2: wake-up capability disabled by ACPI
[ 1369.546103] ehci_hcd 0000:00:13.2: PME# disabled
[ 1369.547262] ehci_hcd 0000:00:12.2: PCI INT B -> GSI 17 (level, low) -> IRQ 17
[ 1369.548144] ehci_hcd 0000:00:13.2: PCI INT B -> GSI 19 (level, low) -> IRQ 19
[ 1710.273127] usb 1-2: new high-speed USB device number 3 using ehci_hcd
[ 2194.682108] usb 1-2: new high-speed USB device number 4 using ehci_hcd