On Sun, May 05, 2019 at 02:23:22PM +0300, Pasi Kärkkäinen wrote:
> Hello,
Thanks for the bug report.
> While testing Virt-SIG Xen 4.12 rpms on CentOS7 I noticed the following
> problem with libvirt/virt-manager when manually installing a new HVM guest
> from virt-manager GUI.. basicly the VM installation won't start, because
> libvirt/virt-manager is not able to start the VM, due to "missing"
> qemu-system-i386 binary:
>
> Unable to complete install: 'unsupported configuration: emulator
> '/usr/lib/xen/bin/qemu-system-i386' not found'
>
> Traceback (most recent call last):
> File "/usr/share/virt-manager/virtManager/asyncjob.py", line 89, in
> cb_wrapper
> callback(asyncjob, *args, **kwargs)
> File "/usr/share/virt-manager/virtManager/create.py", line 2553, in
> _do_async_install
> guest.start_install(meter=meter)
> File "/usr/share/virt-manager/virtinst/guest.py", line 498, in start_install
> doboot, transient)
> File "/usr/share/virt-manager/virtinst/guest.py", line 434, in _create_guest
> domain = self.conn.createXML(install_xml or final_xml, 0)
> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 3725, in
> createXML
> if ret is None:raise libvirtError('virDomainCreateXML() failed',
> conn=self)
> libvirtError: unsupported configuration: emulator
> '/usr/lib/xen/bin/qemu-system-i386' not found
Starting a guest with libvirt works fine, libvirt is able to find the
qemu binary. (Well, libxl can...)
Here is an osstest flight starting an HVM guest with libvirt:
http://logs.test-lab.xenproject.org/osstest/logs/136701/test-amd64-amd64-libvirt-qemuu-debianhvm-amd64/info.html
Maybe the issue is that I need to rebuild `libvirt-python' and
`virt-manager' packages?
> Quick'n'dirty fix is to create a symlink:
>
> ln -s /usr/lib64/xen/bin/qemu-system-i386
> /usr/lib/xen/bin/qemu-system-i386
>
> .. after creating that symlink the VM can be started just fine and works OK.
>
> We need to fix that default directory path for qemu-system-i386 to be correct
> out-of-the-box..
I can certainly move the binary from "/usr/lib64" to "/usr/lib", and
hope it doesn't break anything, with Xen 4.10 packages the qemu binary
is in /usr/lib64. But to be honest I don't know which is best for CentOS
between "lib64" and "lib".
Thanks,
--
Anthony PERARD
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