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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

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Old 09-11-2020, 06:19 AM   #1
MagicPoulp
LQ Newbie
 
Registered: Sep 2020
Posts: 4

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lsusb does not detect a usb headset


Thanks in advance for the help.

I run debian buster, with the latest backported kernel 5.7. I want to add a usb entity for a usb-based audio headset inside virt-manager. It is a graphical tool to start kvm images, in which I use a Windows VM. When I configure to add a usb entity, I see only my keyboard and my mouse. The headset is not detected.

So either I can forward the USB bus itself and let windows do the detection,
or I have to fix the USB detection in Linux itself.

The headset's model:
https://www.deltaco.eu/en/products/l...%A5por/GAM-074


In this other thread, they say it should be detected as a sound card (weird since it has a microphone also)
https://www.linuxquestions.org/quest...sa-4175542418/
But it is not detected.

cat /proc/asound/cards
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0x92c30000 irq 142


I activated at boot time snd-usb-audio in /etc/modules, but I did not understand how to configure it.

> lsmod | grep ^snd_hda_intel
snd_hda_intel 57344 2


> lsmod | grep ^snd_usb
snd_usb_audio 311296 0
snd_usbmidi_lib 40960 1 snd_usb_audio


The heaset is on usb 3.1, on bus 2. I know that because the socket in use is blue and the speed is 10000M in lsusb -t
sudo lsusb

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 046d:c069 Logitech, Inc. M-U0007 [Corded Mouse M500]
Bus 001 Device 003: ID 046d:c333 Logitech, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


sudo lsusb -t

/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 10000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M
|__ Port 8: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 12: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 12: Dev 3, If 1, Class=Human Interface Device, Driver=usbhid, 12M

the usb bus 2 part in dmesg after booting, and nothing is added when inserting the usb socket after booting.
[ 1.344676] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07
[ 1.344677] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.344677] usb usb2: Product: xHCI Host Controller
[ 1.344678] usb usb2: Manufacturer: Linux 5.7.0-0.bpo.2-amd64 xhci-hcd
[ 1.344678] usb usb2: SerialNumber: 0000:00:14.0
[ 1.344835] hub 2-0:1.0: USB hub found
[ 1.344871] hub 2-0:1.0: 10 ports detected


After reading the intro below of usb_modeswtich, it seems that the process of setting up drivers on Windows is complex and would require lots of effort to "eavesdrop" and then replicate on linux.
https://www.draisberghof.de/usb_modeswitch/

So I am prioritizing the solution with kvm otions to just forward the usb bus and then let windows do the driver detection.
 
Old 09-11-2020, 08:18 AM   #2
MagicPoulp
LQ Newbie
 
Registered: Sep 2020
Posts: 4

Original Poster
Rep: Reputation: Disabled
In this additional post, I could tweak the vm's XML, but it does not solve my issue.

I have found this below.
https://serverfault.com/questions/66...t-with-libvirt

I made a copy of my fvm image, and I can now edit the xml:
virsh -c qemu:///system list --all
virsh -c qemu:///system edit win10


I cannot add this in <devices>: (bus 2 or 02)
<hub type='usb'>
<address type='usb' bus='2' port='1'/>
</hub>
when saving I get this error:
error: XML error: Missing USB bus 2

It looks likes this:

<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<graphics type='spice' autoport='yes'>
<listen type='address'/>
<image compression='off'/>
</graphics>
<sound model='ich9'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
</sound>
<video>
<model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
</video>
<redirdev bus='usb' type='spicevmc'>
<address type='usb' bus='0' port='3'/>
</redirdev>
<redirdev bus='usb' type='spicevmc'>
<address type='usb' bus='0' port='2'/>
</redirdev>
<redirdev bus='usb' type='spicevmc'>
<address type='usb' bus='0' port='4'/>
</redirdev>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
</memballoon>
<hub type='usb'>
<address type='usb' bus='1' port='1'/>
</hub>
</devices>
</domain>






If I add the mouse, I get the following added in the XML. But I can't use it anymore it freezes. It worked before I started anything with the headset. I use the default mouse.


<hostdev mode='subsystem' type='usb' managed='yes'>
<source>
<vendor id='0x046d'/>
<product id='0xc069'/>
</source>
<address type='usb' bus='0' port='5'/>
</hostdev>








---
I tried various combinations of this with device or port. I can press i to iǵnore the validation but then it fails.

<hub type='usb'>
<address type='usb' bus='2' device='1'/>
</hub>

Failed. Try again? [y,n,i,f,?]:
error: XML error: USB bus 1 requested but no controller with that index is present
Failed. Try again? [y,n,f,?]:
error: XML error: USB bus 2 requested but no controller with that index is present
Failed. Try again? [y,n,i,f,?]:
error: XML error: USB bus 2 requested but no controller with that index is present
Failed. Try again? [y,n,f,?]:




---

update. I could define a new controller, but to simplify, I tried to connect the headset to the bus 0.
I know the mouse was on port 4, I removed teh socket for the mouse and put the headset socket at the same place, assuming it wil remain on port 4.

I rebooted, and now I get this. SO the port 4 is not detected.

lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 10000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M
|__ Port 5: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 12: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 12: Dev 3, If 1, Class=Human Interface Device, Driver=usbhid, 12M

But int the virtsh edit I could add the following:
<hub type='usb'>
<address type='usb' bus='0' port='4'/>
</hub>
no validation error

And I changed the virt-manager usb connector to use USB 2 instead of 3, graphically.

In Windows, in the control panel / device manager, it shows different things if I change the VM from usb 3 to usb 2, in usb 2 I ahve:
4 times Intel(R) ICH9 Family USB2 Enhanced Host Controller - 293A
4 times USB-rotnav (hub)
And if I add the xml above, the headset Windows is not auto detected but I get a new element after starting windows:
NEC USB Hub

opening it I get lots of stuff that I do not understand.

Device USB\VID_0409&PID_55AA\314159-0000:00:1d.7-4 was started.

Driver Name: usb.inf
Class Guid: {36fc9e60-c465-11cf-8056-444553540000}
Service: usbhub
Lower Filters:
Upper Filters:
 
Old 09-11-2020, 08:58 AM   #3
MagicPoulp
LQ Newbie
 
Registered: Sep 2020
Posts: 4

Original Poster
Rep: Reputation: Disabled
update, the support said: the usb is not for the sound but to control colors, and that the sound must use the analog sockets.
 
Old 09-11-2020, 11:53 AM   #4
onebuck
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Member Response

Hi,

Please use code tags when presenting long list of information as it will be cleaner to the reader.

Another good resource to help you; https://www.linuxquestions.org/quest...hp?faq=welcome
 
  


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