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List:       xen-users
Subject:    Re: Can't access USBs from DomU
From:       Dave Hill <davehill () telus ! net>
Date:       2020-06-26 20:30:18
Message-ID: f4944c0f-58b1-d880-a313-1415610b795a () telus ! net
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On 2020-06-25 8:56 a.m., hargreaves martin wrote:
>
> A very quick question (hopefully).
>
>
> On Dom0, I can attach my USBs.
>
>
> $ sudo xl usbdev-attach ubud1 hostbus=2 hostaddr=36
>
> $ sudo xl usb-list 5
>
> Devid Type BE state usb-ver ports
>
> 0 qusb 0 1 2 8
>
> Port 1: Bus 002 Device 025
>
> Port 2: Bus 002 Device 024
>
> Port 3:
>
> …
>
>
> But I can't see them in my DomU (Ubuntu). Any suggestions?
>
>
> Any help would be very much appreciated.
>
>
> Martin..
>

I don't do it that way anymore (I use SPICE instead), but the Xen USB 
Passthrough page helped me when I was trying to figure out how to do it 
the way you are now:
https://wiki.xenproject.org/wiki/Xen_USB_Passthrough

Regards,

David


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    On 2020-06-25 8:56 a.m., hargreaves martin wrote:<br>
    <blockquote type="cite"
      cite="mid:331267288.92651.1593100580336@mail2.virginmedia.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <meta charset="UTF-8">
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">A very quick question
          (hopefully).</span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><br>
      </p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">On Dom0, I can attach my
          USBs.</span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><br>
      </p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">$ sudo xl usbdev-attach
          ubud1 hostbus=2 hostaddr=36</span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">$ sudo xl usb-list 5</span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">Devid Type BE state
          usb-ver ports</span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">0 qusb 0 1 2 8 </span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">Port 1: Bus 002 Device 025</span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">Port 2: Bus 002 Device 024</span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">Port 3:</span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;">…</p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><br>
      </p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">But I can't see them in my
          DomU (Ubuntu). Any suggestions?</span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><br>
      </p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">Any help would be very
          much appreciated.</span></p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><br>
      </p>
      <p class="western" style="margin-bottom: 0cm; line-height: 100%;"><span
          style="font-size: medium;" size="3">Martin..</span></p>
    </blockquote>
    <br>
    <p><font face="Helvetica, Arial, sans-serif">I don't do it that way
        anymore (I use SPICE instead), but the Xen USB Passthrough page
        helped me when I was trying to figure out how to do it the way
        you are now:<br>
        <a class="moz-txt-link-freetext" \
href="https://wiki.xenproject.org/wiki/Xen_USB_Passthrough">https://wiki.xenproject.org/wiki/Xen_USB_Passthrough</a></font></p>
  <p><font face="Helvetica, Arial, sans-serif">Regards,</font></p>
    <p><font face="Helvetica, Arial, sans-serif">David</font></p>
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