新装系统后，所有USB3.0接口可以使用，但2.0接口都无法使用

[ouxisong]

主板：技嘉970D3SP CPU：fx8300
windows下全都OK，在Ubuntu 15.10和15.03都是一样所有USB3.0接口可以使用，但2.0接口都无法使用

[ouxisong]

rock@rock:~$ uname -r
4.2.0-22-generic
rock@rock:~$ sudo lspci -knn
[sudo] rock 的密码：
00:00.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (external gfx0 port B) [1002:5a14] (rev 02)
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (external gfx0 port B) [1002:5a14]
00:02.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port B) [1002:5a16]
Kernel driver in use: pcieport
00:04.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port D) [1002:5a18]
Kernel driver in use: pcieport
00:05.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port E) [1002:5a19]
Kernel driver in use: pcieport
00:09.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port H) [1002:5a1c]
Kernel driver in use: pcieport
00:0a.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (external gfx1 port A) [1002:5a1d]
Kernel driver in use: pcieport
00:11.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] [1002:4391] (rev 40)
Subsystem: Gigabyte Technology Co., Ltd Device [1458:b002]
Kernel driver in use: ahci
00:12.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397]
Subsystem: Gigabyte Technology Co., Ltd Device [1458:5004]
Kernel driver in use: ohci-pci
00:12.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396]
Subsystem: Gigabyte Technology Co., Ltd Device [1458:5004]
Kernel driver in use: ehci-pci
00:13.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397]
Subsystem: Gigabyte Technology Co., Ltd Device [1458:5004]
Kernel driver in use: ohci-pci
00:13.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396]
Subsystem: Gigabyte Technology Co., Ltd Device [1458:5004]
Kernel driver in use: ehci-pci
00:14.0 SMBus [0c05]: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller [1002:4385] (rev 42)
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller [1002:4385]
Kernel driver in use: piix4_smbus
00:14.2 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA) [1002:4383] (rev 40)
Subsystem: Gigabyte Technology Co., Ltd Device [1458:a182]
Kernel driver in use: snd_hda_intel
00:14.3 ISA bridge [0601]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller [1002:439d] (rev 40)
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller [1002:439d]
00:14.4 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge [1002:4384] (rev 40)
00:14.5 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI2 Controller [1002:4399]
Subsystem: Gigabyte Technology Co., Ltd Device [1458:5004]
Kernel driver in use: ohci-pci
00:16.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397]
Subsystem: Gigabyte Technology Co., Ltd Device [1458:5004]
Kernel driver in use: ohci-pci
00:16.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396]
Subsystem: Gigabyte Technology Co., Ltd Device [1458:5004]
Kernel driver in use: ehci-pci
00:18.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 0 [1022:1600]
00:18.1 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 1 [1022:1601]
00:18.2 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 2 [1022:1602]
00:18.3 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 3 [1022:1603]
Kernel driver in use: k10temp
00:18.4 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 4 [1022:1604]
Kernel driver in use: fam15h_power
00:18.5 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 5 [1022:1605]
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK104 [GeForce GTX 660 Ti] [10de:1183] (rev a1)
Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:2843]
Kernel driver in use: nvidia
01:00.1 Audio device [0403]: NVIDIA Corporation GK104 HDMI Audio Controller [10de:0e0a] (rev a1)
Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:2843]
Kernel driver in use: snd_hda_intel
02:00.0 USB controller [0c03]: VIA Technologies, Inc. VL805 USB 3.0 Host Controller [1106:3483] (rev 01)
Subsystem: Gigabyte Technology Co., Ltd Device [1458:5007]
Kernel driver in use: xhci_hcd
03:00.0 SATA controller [0106]: JMicron Technology Corp. JMB363 SATA/IDE Controller [197b:2363] (rev 02)
Subsystem: JMicron Technology Corp. JMB363 SATA/IDE Controller [197b:2363]
Kernel driver in use: ahci
03:00.1 IDE interface [0101]: JMicron Technology Corp. JMB363 SATA/IDE Controller [197b:2363] (rev 02)
Subsystem: JMicron Technology Corp. JMB363 SATA/IDE Controller [197b:2363]
Kernel driver in use: pata_jmicron
04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
Subsystem: Gigabyte Technology Co., Ltd Motherboard [1458:e000]
Kernel driver in use: r8168
05:00.0 Mass storage controller [0180]: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller [1095:3132] (rev 01)
Subsystem: Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller [1095:3132]
Kernel driver in use: sata_sil24
06:07.0 Multimedia audio controller [0401]: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller [1412:1724] (rev 01)
Subsystem: Device [1721:2401]
rock@rock:~$

[ouxisong]

rock@rock:~$ sudo lsusb
[sudo] rock 的密码：
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 009 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 007: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
Bus 001 Device 006: ID 045e:0047 Microsoft Corp. IntelliMouse Explorer 3.0
Bus 001 Device 005: ID 04b3:3003 IBM Corp. Rapid Access III Keyboard
Bus 001 Device 003: ID 04b3:3004 IBM Corp. Media Access Pro Keyboard
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
rock@rock:~$ sudo dkms status
bbswitch, 0.7, 4.2.0-16-generic, x86_64: installed
bbswitch, 0.7, 4.2.0-22-generic, x86_64: installed
nvidia-358, 358.16, 4.2.0-22-generic, x86_64: installed
rock@rock:~$

[vickycq]

主板：技嘉970D3SP CPU：fx8300

BIOS 中寻找选项 IOMMU。若有，启用
或在 BIOS 中禁用 IOMMU，再添加内核参数 iommu=soft

===============
添加内核参数方法
===============
编辑 /etc/default/grub 在 GRUB_CMDLINE_LINUX_DEFAULT 中添加参数
例如 GRUB_CMDLINE_LINUX_DEFAULT="ro quiet splash vt.handoff=7 iommu=soft"
保存后执行 sudo update-grub

[ouxisong]

主板：技嘉970D3SP CPU：fx8300

BIOS 中寻找选项 IOMMU。若有，启用
或在 BIOS 中禁用 IOMMU，再添加内核参数 iommu=soft

===============
添加内核参数方法
===============
编辑 /etc/default/grub 在 GRUB_CMDLINE_LINUX_DEFAULT 中添加参数
例如 GRUB_CMDLINE_LINUX_DEFAULT="ro quiet splash vt.handoff=7 iommu=soft"
保存后执行 sudo update-grub

谢谢老大，终于能用2.0的接口了，谢谢

[photor]