On Tue, Sep 29, 2015 at 4:00 PM, Johnny Hughes <johnny@xxxxxxxxxx> wrote: > On 09/29/2015 07:55 AM, Pasi Kärkkäinen wrote: >> On Tue, Sep 29, 2015 at 12:37:25PM +0100, George Dunlap wrote: >>> On Sat, Sep 26, 2015 at 9:29 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote: >>>> On Sat, Sep 26, 2015 at 09:04:23PM +0300, Pasi Kärkkäinen wrote: >>>>> Hello, >>>>> >>>>> I just upgraded some of my el6xen boxes to latest CentOS 6.7, Xen 4.4.3 and dom0 3.18.17 rpms, and noticed these new problems: >>>>> >>>> >>>> And third issue aswell: >>>> >>>> 3) Creating an HVM guest using virt-manager with file-based storage uses loopback-mount, not blktap >>>> >>>> When I manually create a new Xen HVM guest using virt-manager, and choose file-based image for storage of the VM, it seems to be set up to use file: backend/driver with loopback-mounted image file: >>>> >>>> <disk type='file' device='disk'> >>>> <driver name='file'/> >>>> <source file='/var/lib/libvirt/images/testvm2.img'/> >>>> <backingStore/> >>>> <target dev='hda' bus='ide'/> >>>> </disk> >>>> >>>> # losetup -a >>>> /dev/loop0: [fd00]:1709109 (/var/lib/libvirt/images/testvm2.img) >>>> >>>> With earlier versions of rpms similar setup used blktap2 backend.. (and yes, I do have blktap module loaded in dom0 kernel). >>> >>> I remember having to patch some dependency of virt-manager to give it >>> the correct default driver name (something like, it got 'tap' but >>> needed to be 'tap2'). In all likelihood, someone has sussed that >>> 'tap' doesn't work and just replaced it with 'file'. Actually, it's >>> fairly likely if they've updated stuff in CentOS that you're not >>> getting the re-build virt-manager stuff either -- I may have to respin >>> that one as well. >>> >> >> I think it's specified at least in python-virtinst. See these emails from a few years back about the tap/tap2-issue: >> >> https://www.redhat.com/archives/virt-tools-list/2013-June/msg00037.html >> https://www.redhat.com/archives/virt-tools-list/2013-June/msg00039.html > > This is indeed where it was patched before (as a stand alone program) .. > have they now rolled that into virt-manager? I'm guessing updated packages in base have a higher version number than those in the xen4centos repos. Anyway, I'll take a look at some point. -George _______________________________________________ CentOS-virt mailing list CentOS-virt@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos-virt
