Re: USB hostdev de/reattaching

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Mar 19, 2015 at 06:12:44AM -0400, Martin Polednik wrote:
> Hello,
> 
> according to libvirt documentation, when using hostdev with USB device
> "...the user is responsible to call virNodeDeviceDettach (or virsh nodedev-detach)
> before starting the guest...". In libvirt-1.2.13-1.el7.x86_64, this leads to 
> 
> virsh nodedev-detach usb_usb1
> 
> error: Failed to detach device usb_usb1
> error: invalid argument: device usb_usb1 is not a PCI device
> 
> The failure is most probably caused in qemuNodeDeviceDeta where qemuNodeDeviceGetPCIInfo
> is called. Is it a bug, or usb hostdev can be done without detaching/reattaching?

USB devices do not need to be detached/reattached explicitly, it's all
automatic.

And since qemuNodeDeviceDettach has always required a PCI device (see
commit 34d23b0), I think this is a documentation bug, introduced by
commit 10d3272.

Jan

Attachment: signature.asc
Description: Digital signature

--
libvir-list mailing list
libvir-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/libvir-list

[Index of Archives]     [Virt Tools]     [Libvirt Users]     [Lib OS Info]     [Fedora Users]     [Fedora Desktop]     [Fedora SELinux]     [Big List of Linux Books]     [Yosemite News]     [KDE Users]     [Fedora Tools]