Re: [libvirt-users] usb post passthough stopped workng after kernel upgrade

Sent: Thursday, November 08, 2018 at 9:16 AM From: daggs <daggs(a)gmx.com&gt; To: libvirt-users(a)redhat.com Subject: Re: [libvirt-users] usb post passthough stopped workng after kernel upgrade anyone has any idea regarding this issue? > Sent: Monday, November 05, 2018 at 7:55 PM > From: daggs <daggs(a)gmx.com&gt; > To: libvirt-users(a)redhat.com > Subject: [libvirt-users] usb post passthough stopped workng after kernel upgrade > > Greetings, > > I have a vm on debian 9.5 to which I pass an specific usb from the host. here is the relevant part in the vm's xml file: > <hostdev mode='subsystem' type='usb' managed='yes'> > <source> > <vendor id='0x148f'/> > <product id='0x5572'/> > </source> > <address type='usb' bus='0' port='1'/> > </hostdev> > the address line was added automatically by libvirt. > everything was working well with kernel 4.15.11-1~bpo9+1 until I needed to upgrade the kernel to latest possible version due to usb issues > I've upgraded to 4.18.6-1~bpo9+1. after the upgrade, my vm doesn't starts anymore, I see this msg: > error: Failed to start domain router > error: internal error: qemu unexpectedly closed the monitor: 2018-11-02T13:43:32.174730Z qemu-system-x86_64: -device usb-host,hostbus=1,hostaddr=4,id=hostdev4,bus=usb.0,port=1: failed to find host usb device 1:4 > > how can a kernel upgrade cause this? is there a fix for this issue? > > Thanks, > > Dagg. > > _______________________________________________ > libvirt-users mailing list > libvirt-users(a)redhat.com > https://www.redhat.com/mailman/listinfo/libvirt-users > _______________________________________________ libvirt-users mailing list libvirt-users(a)redhat.com https://www.redhat.com/mailman/listinfo/libvirt-users