xhcd-hcd is the Linux kernel module that provides support for all versions of USB.

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USB 3.0 ports only work in Hi Speed, not Super Speed with xhci_hcd running

I've a Kontron KTQM87/mITX board (latest BIOS) with some USB 2.0 and some USB 3.0 ports. The machine runs Ubuntu 14.04, I've tried both with 3.13 and 4.4.6 kernels. In BIOS, I set xHCI mode to ...
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xhc1 breaks suspend ubuntu 15.10

If I try to suspend my pc which is an MacBookAir 2014 model, The computer wakes up for 1/2 seconds and then sleeps. i know that xhc1 is the problem, but disabling this works. The only problem then is ...
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250 views

how do i get usb 3.0 driver working or check that it is already working

# lsmod |grep xhc nothing here but in dmesg: # dmesg |grep xhc [ 0.650446] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 0.650450] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus ...
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116 views

libusb does not transfer all USB 3.0 bulk endpoint packets

I am using Ubuntu 14.04, ubuntu-14 3.13.0-74-generic #118-Ubuntu SMP Thu Dec 17 22:52:10 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux For the past couple of days I am having problems related to libusb ...
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2answers
4k views

How can I fix a USB 3.0 Issue in a Ubuntu 14.04 VirtualBox VM

For the last few days I have spent a huge amount time searching for a solution to this challenge. I have a Seagate Expansion Desktop Drive which is an external 2 TB USB 3.0 disk that I use for ...
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1answer
361 views

USB 2.0 not working on Ubuntu, but working fine in GRUB

Devices connected using the motherboard's USB 2.0 won't work in Ubuntu 14.04, although they work fine in GRUB 2. dmesg spits out something along those lines when I connect a keyboard: usb 7-3: new ...
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laptop hangs and dies with following crash log. [closed]

May 11 10:48:50 gyanu-SVT13135CXS kernel: [ 87.533282] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 May 11 10:48:50 gyanu-SVT13135CXS kernel: [ 87.533284] usb 3-1: Product: ...
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7answers
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USB 2.0 device (scanner) does not work with xhci_hcd on USB 3.0 system

I'm trying to scan with samsung scx-4200 which is a printer with scanner. When I connect my brother's laptop which has the same version of ubuntu(14.04), it works. I don't know how and why. He did not ...
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1answer
637 views

Zenbook UX31A USB3 not recognised and not working

I have a Zenbook UX31A and Ubuntu 12.10 upgraded to /latest/ kernel 3.8.6-030806-generic. My USB3 controller is not recongnized and I am stuck with USB 2.0 speeds. Listing of dmesg has no mention of ...
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5answers
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Asus Xtion Pro Live not working with xhci_hcd

I have a Samsung NP350V5C laptop (with Core i5-3210M CPU) with two USB2.0 and two USB3.0 ports. The OS is: $ uname -a Linux pe 3.5.0-26-generic #42-Ubuntu SMP Fri Mar 8 23:18:20 UTC 2013 x86_64 ...
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1answer
747 views

Alcatel X500 datacard won't recognize on ubuntu 12.04 using xhci

I have two laptops running ubuntu 12.04 with the latest updates. One is a gateway ID79C and the other is an ASUS SM56CM. All I needed to do to get connected on the gateway was to add usbserial ...
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4answers
4k views

USB 3.0 problem on HP ProBook 6570b with Ubuntu 12.10

I have a problem enabling USB 3.0 on my laptop Some relevant info: uname -a Linux HP-ProBook-6570b 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux lspci ...
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1answer
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Nec USB 3.0 controller drops connection - Ubuntu 12.04.1

I have some serious problems with Technaxx pci-e 302p card. It has uPD720200a NEC chip with 4020 firmware. BIOS recognises it. Sometimes it recognises devices and system mounts them and are functional ...
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3answers
10k views

ERROR no room on ep ring with USB 3.0 device

Just did a clean install of mythbuntu 12.04 yesterday on a brand new machine. ASRock Z77 Extreme4 with Intel video chipset, 8gb ram. I'm seeing google references to this as a USB 3 issue in this ...