Solved! apparmor was to blame, I've disabled it on kernel params and all works again.
> Sent: Thursday, November 08, 2018 at 9:16 AM > From: daggs <da...@gmx.com> > To: libvirt-users@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 <da...@gmx.com> > > To: libvirt-users@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@redhat.com > > https://www.redhat.com/mailman/listinfo/libvirt-users > > > > _______________________________________________ > libvirt-users mailing list > libvirt-users@redhat.com > https://www.redhat.com/mailman/listinfo/libvirt-users > _______________________________________________ libvirt-users mailing list libvirt-users@redhat.com https://www.redhat.com/mailman/listinfo/libvirt-users
