Warning : Failed to set up UEFI / The Libvirt version does not support UEFI / Install options are limited...
Mario Marietto
marietto2008 at gmail.com
Wed Aug 23 18:47:55 UTC 2023
I've fixed this problem :
virsh: /lib/arm-linux-gnueabihf/libvirt.so.0: version
`LIBVIRT_PRIVATE_9.0.0' not found (required by virsh)
now,virsh works if I launch it within the build directory of libvirt :
root at devuan:~/libvirt_build/bin# ./virsh
Welcome to virsh, the virtualization interactive terminal.
Type: 'help' for help with commands
'quit' to quit
but inside the build directory of libvirt I don't see any virt-manager
executable,so I'm forced to run it like this :
root at devuan:~/Desktop/libvirt/build# ./run /usr/bin/virt-manager
and it gives the previous error : no connection driver available for
qemu:///system
but the fact that virsh works is a progress ? should I compile virt-manager
also from source code ?
On Wed, Aug 23, 2023 at 7:39 PM Mario Marietto <marietto2008 at gmail.com>
wrote:
> Despite that error,the previous error is still there :
>
> Unable to connect to libvirt qemu:///system.
>
> no connection driver available for qemu:///system
>
> Libvirt URI is: qemu:///system
>
> Traceback (most recent call last):
> File "/usr/share/virt-manager/virtManager/connection.py", line 923, in
> _do_open
> self._backend.open(cb, data)
> File "/usr/share/virt-manager/virtinst/connection.py", line 171, in open
> conn = libvirt.openAuth(self._open_uri,
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> File "/usr/lib/python3/dist-packages/libvirt.py", line 147, in openAuth
> raise libvirtError('virConnectOpenAuth() failed')
> libvirt.libvirtError: no connection driver available for qemu:///system
>
> I'm using qemu 5.1 :
>
> root at devuan:~# qemu-system-arm --version
>
> QEMU emulator version 5.1.0 (v5.1.0-dirty)
>
>
> On Wed, Aug 23, 2023 at 7:30 PM Mario Marietto <marietto2008 at gmail.com>
> wrote:
>
>> root at devuan:~/Desktop/libvirt/build# sudo virsh list --all
>>
>> virsh: /lib/arm-linux-gnueabihf/libvirt.so.0: version
>> `LIBVIRT_PRIVATE_9.0.0' not found (required by virsh)
>>
>>
>>
>> On Wed, Aug 23, 2023 at 5:43 PM Pavel Hrdina <phrdina at redhat.com> wrote:
>>
>>> On Wed, Aug 23, 2023 at 03:41:42PM +0200, Mario Marietto wrote:
>>> > Hello Pavel,
>>> >
>>> > It didn't work,but the error was changed. Isn't a bad news :
>>> >
>>> > root at devuan:~/Desktop/libvirt/build# ./run /usr/bin/virt-manager
>>> >
>>> > Unable to connect to libvirt qemu:///system.
>>> >
>>> > no connection driver available for qemu:///system
>>> >
>>> > Libvirt URI is: qemu:///system
>>> >
>>> > Traceback (most recent call last):
>>> > File "/usr/share/virt-manager/virtManager/connection.py", line 923,
>>> in
>>> > _do_open
>>> > self._backend.open(cb, data)
>>> > File "/usr/share/virt-manager/virtinst/connection.py", line 171, in
>>> open
>>> > conn = libvirt.openAuth(self._open_uri,
>>> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>> > File "/usr/lib/python3/dist-packages/libvirt.py", line 147, in
>>> openAuth
>>> > raise libvirtError('virConnectOpenAuth() failed')
>>> > libvirt.libvirtError: no connection driver available for qemu:///system
>>>
>>> Seems like you've compiled libvirt without qemu support. My guess is
>>> that you are missing dependencies to compile libvirt with QEMU driver.
>>> If you run
>>>
>>> apt build-dep libvirt
>>>
>>> it should install you dependencies that libvirt from package manager
>>> would need and that is a good starting point to compile your own
>>> libvirt.
>>>
>>>
>>> > On Wed, Aug 23, 2023 at 2:27 PM Pavel Hrdina <phrdina at redhat.com>
>>> wrote:
>>> >
>>> > > On Tue, Aug 22, 2023 at 10:23:32PM +0200, Mario Marietto wrote:
>>> > > > After having compiled libvirt from src and having run
>>> virt-manager,I get
>>> > > > the error "Libvirtd daemon is not running". Can you give a look at
>>> this
>>> > > > picture ?
>>> > > >
>>> > > > https://ibb.co/n6MvDbL
>>> > > >
>>> > > > how to fix it ? thanks.
>>> > >
>>> > > If you managed to start libvirtd using the run script from libvirt
>>> build
>>> > > directory you should use the run script to start virt-manager as
>>> well.
>>> > >
>>> > > > On Tue, Aug 22, 2023 at 10:17 PM Mario Marietto <
>>> marietto2008 at gmail.com>
>>> > > > wrote:
>>> > > >
>>> > > > > [image: Screenshot from 2023-08-22 22-06-30.png]
>>> > > > >
>>> > > > > On Tue, Aug 22, 2023 at 9:44 PM Mario Marietto <
>>> marietto2008 at gmail.com
>>> > > >
>>> > > > > wrote:
>>> > > > >
>>> > > > >>
>>> > > > >> Hello,
>>> > > > >>
>>> > > > >> Pavel,are you there ? Please help me to give it the last push.
>>> I've
>>> > > fixed
>>> > > > >> the last error like so :
>>> > > > >>
>>> > > > >> root at devuan:~/Desktop/libvirt/build# update-alternatives --set
>>> > > iptables
>>> > > > >> /usr/sbin/iptables-legacy
>>> > > > >> update-alternatives: using /usr/sbin/iptables-legacy to provide
>>> > > > >> /usr/sbin/iptables (iptables) in manual mode
>>> > > > >>
>>> > > > >> but now I have got another error. Anyway,I feel to be close :
>>> > > > >>
>>> > > > >> root at devuan:~/Desktop/libvirt/build# sudo ./run src/virtlockd
>>> & sudo
>>> > > > >> ./run src/virtlogd & sudo ./run src/libvirtd
>>> > > > >>
>>> > > > >> 2023-08-22 19:38:49.036+0000: 15002: info : libvirt version:
>>> 9.7.0
>>> > > > >>
>>> > > > >> hostname: devuan
>>> > > > >> error : virPidFileAcquirePathFull:409 : Failed to acquire pid
>>> file
>>> > > > >> '/root/libvirt_build/var/run/virtlockd.pid': Resource
>>> temporarily
>>> > > > >> unavailable
>>> > > > >>
>>> > > > >> On Tue, Aug 22, 2023 at 7:01 PM Mario Marietto <
>>> > > marietto2008 at gmail.com>
>>> > > > >> wrote:
>>> > > > >>
>>> > > > >>> Et voila'. I've recompiled libvirt in this way :
>>> > > > >>>
>>> > > > >>> git clone https://github.com/libvirt/libvirt.git
>>> > > > >>> mkdir -p libvirt_build
>>> > > > >>> cd libvirt
>>> > > > >>> apt install meson xsltproc libgnutls28-dev libxml2-dev rst2pdf
>>> > > > >>> meson build --prefix=$HOME/libvirt_build
>>> > > > >>> ninja -C build
>>> > > > >>> sudo ninja -C build install
>>> > > > >>> cd build
>>> > > > >>> nano vai.sh :
>>> > > > >>>
>>> > > > >>> sudo ./run src/virtlockd & sudo ./run src/virtlogd & sudo ./run
>>> > > > >>> src/libvirtd
>>> > > > >>>
>>> > > > >>> chmod +x vai.sh
>>> > > > >>>
>>> > > > >>> this is the error I get :
>>> > > > >>>
>>> > > > >>> root at devuan:~/Desktop/libvirt/build# ./vai.sh
>>> > > > >>>
>>> > > > >>> 2023-08-22 16:52:34.416+0000: 14725: info : libvirt version:
>>> 9.7.0
>>> > > > >>> 2023-08-22 16:52:34.416+0000: 14725: info : hostname: devuan
>>> > > > >>> 2023-08-22 16:52:34.416+0000: 14725: error :
>>> > > > >>> virFirewallApplyRuleDirect:518 : internal error: Failed to
>>> apply
>>> > > > >>> firewall rules /usr/sbin/iptables -w --table filter
>>> --list-rules:
>>> > > > >>> iptables: Failed to initialize nft: Protocol not supported
>>> > > > >>>
>>> > > > >>> 2023-08-22 16:52:34.428+0000: 14725: error :
>>> > > > >>> virFirewallApplyRuleDirect:518 : internal error: Failed to
>>> apply
>>> > > firewall
>>> > > > >>> rules /usr/sbin/ip6tables -w --table filter --list-rules:
>>> ip6tables:
>>> > > Failed
>>> > > > >>> to initialize nft: Protocol not supported
>>> > > > >>>
>>> > > > >>> On Tue, Aug 22, 2023 at 6:49 PM Pavel Hrdina <
>>> phrdina at redhat.com>
>>> > > wrote:
>>> > > > >>>
>>> > > > >>>> On Tue, Aug 22, 2023 at 06:22:25PM +0200, Mario Marietto
>>> wrote:
>>> > > > >>>> > In your opinion should I remove virt-manager and all its
>>> > > dependencies
>>> > > > >>>> > before launching the recompilation ?
>>> > > > >>>>
>>> > > > >>>> I would say there is no need to do that if you install
>>> libvirt to
>>> > > > >>>> /usr/local as it should be separated from the libvirt
>>> installed by
>>> > > > >>>> package manager.
>>> > > > >>>>
>>> > > > >>>> Pavel
>>> > > > >>>>
>>> > > > >>>> >
>>> > > > >>>> > On Tue, Aug 22, 2023 at 6:05 PM Pavel Hrdina <
>>> phrdina at redhat.com>
>>> > > > >>>> wrote:
>>> > > > >>>> >
>>> > > > >>>> > > On Tue, Aug 22, 2023 at 05:55:30PM +0200, Mario Marietto
>>> wrote:
>>> > > > >>>> > > > I have installed virt-manager and all its dependencies
>>> > > grabbing
>>> > > > >>>> the files
>>> > > > >>>> > > > from the devuan 5 repository.
>>> > > > >>>> > > > To recompile libvirt I need to acquire some basic
>>> information.
>>> > > > >>>> Which
>>> > > > >>>> > > > version should I compile ? Where is the source code
>>> located ?
>>> > > Do
>>> > > > >>>> you have
>>> > > > >>>> > > > some tutorial that explains the necessary steps to do
>>> it ?
>>> > > thanks.
>>> > > > >>>> > >
>>> > > > >>>> > > Everything can be found at https://libvirt.org/ not sure
>>> which
>>> > > > >>>> version
>>> > > > >>>> > > to pick, you can try latest upstream version but there
>>> might be
>>> > > some
>>> > > > >>>> > > dependencies missing in Devuan, if that happens you can
>>> > > fallback to
>>> > > > >>>> > > version that is provided by Devuan.
>>> > > > >>>> > >
>>> > > > >>>> > > For example this link has basic info on how to compile
>>> libvirt
>>> > > > >>>> > > https://libvirt.org/compiling.html and here you can find
>>> > > sources
>>> > > > >>>> > > to libvirt https://libvirt.org/downloads.html .
>>> > > > >>>> > >
>>> > > > >>>> > > Pavel
>>> > > > >>>> > >
>>> > > > >>>> > > > On Tue, Aug 22, 2023 at 5:50 PM Pavel Hrdina <
>>> > > phrdina at redhat.com>
>>> > > > >>>> wrote:
>>> > > > >>>> > > >
>>> > > > >>>> > > > > On Tue, Aug 22, 2023 at 05:28:50PM +0200, Mario
>>> Marietto
>>> > > wrote:
>>> > > > >>>> > > > > > root at devuan:~# virsh domcapabilities --machine virt
>>> > > > >>>> --emulatorbin
>>> > > > >>>> > > > > > /usr/bin/qemu-system-arm
>>> > > > >>>> > > > > >
>>> > > > >>>> > > > > > error: failed to get emulator capabilities
>>> > > > >>>> > > > > > error: KVM is not supported on this platform:
>>> Function not
>>> > > > >>>> > > implemented
>>> > > > >>>> > > > > >
>>> > > > >>>> > > > > > BUT it's not true :
>>> > > > >>>> > > > > >
>>> > > > >>>> > > > > > root at devuan:~# kvm-ok
>>> > > > >>>> > > > > >
>>> > > > >>>> > > > > > INFO: /dev/kvm exists
>>> > > > >>>> > > > > > KVM acceleration can be used
>>> > > > >>>> > > > >
>>> > > > >>>> > > > > Are you using libvirt installed using package manager
>>> or
>>> > > some
>>> > > > >>>> libvirt
>>> > > > >>>> > > > > that you compiled yorself? Checking libvirt code this
>>> error
>>> > > only
>>> > > > >>>> > > happens
>>> > > > >>>> > > > > if libvirt was compiled without KVM, more
>>> specifically if
>>> > > header
>>> > > > >>>> > > > > `/usr/include/linux/kvm.h` doesn't exists.
>>> > > > >>>> > > > >
>>> > > > >>>> > > > > I was not able to find any details on Devuan distro
>>> so not
>>> > > sure
>>> > > > >>>> how
>>> > > > >>>> > > > > the libvirt package is compiled. You might need to try
>>> > > compiling
>>> > > > >>>> > > libvirt
>>> > > > >>>> > > > > yourself.
>>> > > > >>>> > > > >
>>> > > > >>>> > > > > Pavel
>>> > > > >>>> > > > >
>>> > > > >>>> > > > > >
>>> > > > >>>> > > > > > On Tue, Aug 22, 2023 at 5:27 PM Mario Marietto <
>>> > > > >>>> > > marietto2008 at gmail.com>
>>> > > > >>>> > > > > > wrote:
>>> > > > >>>> > > > > >
>>> > > > >>>> > > > > > > Oh sorry....
>>> > > > >>>> > > > > > >
>>> > > > >>>> > > > > > > On Tue, Aug 22, 2023 at 5:26 PM Mario Marietto <
>>> > > > >>>> > > marietto2008 at gmail.com
>>> > > > >>>> > > > > >
>>> > > > >>>> > > > > > > wrote:
>>> > > > >>>> > > > > > >
>>> > > > >>>> > > > > > >> virsh domcapabilities --machine virt
>>> --emulatorbin
>>> > > > >>>> > > > > > >> /path/to/qemu-system-arm
>>> > > > >>>> > > > > > >>
>>> > > > >>>> > > > > > >> error: failed to get emulator capabilities
>>> > > > >>>> > > > > > >> error: Cannot check QEMU binary
>>> > > /path/to/qemu-system-arm:
>>> > > > >>>> No such
>>> > > > >>>> > > > > file or
>>> > > > >>>> > > > > > >> directory
>>> > > > >>>> > > > > > >>
>>> > > > >>>> > > > > > >> On Tue, Aug 22, 2023 at 4:49 PM Pavel Hrdina <
>>> > > > >>>> phrdina at redhat.com>
>>> > > > >>>> > > > > wrote:
>>> > > > >>>> > > > > > >>
>>> > > > >>>> > > > > > >>> On Tue, Aug 22, 2023 at 04:05:09PM +0200, Mario
>>> > > Marietto
>>> > > > >>>> wrote:
>>> > > > >>>> > > > > > >>> > Where does libvirt want to find those files ?
>>> since
>>> > > the
>>> > > > >>>> qemu
>>> > > > >>>> > > 5.1
>>> > > > >>>> > > > > > >>> > installation files have been placed under
>>> /usr/local
>>> > > > >>>> during the
>>> > > > >>>> > > > > command
>>> > > > >>>> > > > > > >>> > make install,I have also copied the firmware
>>> files
>>> > > in :
>>> > > > >>>> > > > > > >>> >
>>> > > > >>>> > > > > > >>> > ls /usr/local/share/AAVMF
>>> > > > >>>> > > > > > >>> >
>>> > > > >>>> > > > > > >>> > AAVMF32_CODE.fd AAVMF_CODE.fd
>>> > > > >>>> AAVMF_CODE.snakeoil.fd
>>> > > > >>>> > > > > > >>> AAVMF_VARS.ms.fd
>>> > > > >>>> > > > > > >>> > AAVMF32_VARS.fd AAVMF_CODE.ms.fd
>>> AAVMF_VARS.fd
>>> > > > >>>> > > > > > >>> > AAVMF_VARS.snakeoil.fd
>>> > > > >>>> > > > > > >>> >
>>> > > > >>>> > > > > > >>> > but they aren't still recognized.
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> Downgrading libvirt would not help in this
>>> specific
>>> > > case.
>>> > > > >>>> Since
>>> > > > >>>> > > > > version
>>> > > > >>>> > > > > > >>> 5.2.0 libvirt uses firmware auto-selection.
>>> Libvirt is
>>> > > > >>>> looking
>>> > > > >>>> > > for
>>> > > > >>>> > > > > json
>>> > > > >>>> > > > > > >>> files describing available firmwares. It is
>>> > > documented in
>>> > > > >>>> QEMU
>>> > > > >>>> > > > > project
>>> > > > >>>> > > > > > >>> git repository in `docs/interop/firmware.json`,
>>> this
>>> > > > >>>> specific
>>> > > > >>>> > > section
>>> > > > >>>> > > > > > >>> describes where the json files should be placed:
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> # It is recommended to create firmware JSON
>>> files
>>> > > (each
>>> > > > >>>> > > containing a
>>> > > > >>>> > > > > > >>> # single @Firmware root element) with a
>>> double-digit
>>> > > > >>>> prefix, for
>>> > > > >>>> > > > > example
>>> > > > >>>> > > > > > >>> # "50-ovmf.json", "50-seabios-256k.json", etc,
>>> so they
>>> > > > >>>> can be
>>> > > > >>>> > > sorted
>>> > > > >>>> > > > > in
>>> > > > >>>> > > > > > >>> # predictable order. The firmware JSON files
>>> should be
>>> > > > >>>> searched
>>> > > > >>>> > > for
>>> > > > >>>> > > > > in
>>> > > > >>>> > > > > > >>> # three directories:
>>> > > > >>>> > > > > > >>> #
>>> > > > >>>> > > > > > >>> # - /usr/share/qemu/firmware -- populated by
>>> > > > >>>> distro-provided
>>> > > > >>>> > > > > firmware
>>> > > > >>>> > > > > > >>> # packages
>>> > > (XDG_DATA_DIRS
>>> > > > >>>> covers
>>> > > > >>>> > > > > > >>> # /usr/share by
>>> > > default),
>>> > > > >>>> > > > > > >>> #
>>> > > > >>>> > > > > > >>> # - /etc/qemu/firmware -- exclusively for
>>> sysadmins'
>>> > > > >>>> local
>>> > > > >>>> > > > > additions,
>>> > > > >>>> > > > > > >>> #
>>> > > > >>>> > > > > > >>> # - $XDG_CONFIG_HOME/qemu/firmware --
>>> exclusively
>>> > > for
>>> > > > >>>> per-user
>>> > > > >>>> > > > > local
>>> > > > >>>> > > > > > >>> #
>>> additions
>>> > > > >>>> > > (XDG_CONFIG_HOME
>>> > > > >>>> > > > > > >>> #
>>> defaults to
>>> > > > >>>> > > $HOME/.config).
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> It doesn't matter where the *CODE* and *VARS*
>>> firmware
>>> > > > >>>> files are
>>> > > > >>>> > > > > placed
>>> > > > >>>> > > > > > >>> if the path to these files is correct in the
>>> json
>>> > > files
>>> > > > >>>> in one
>>> > > > >>>> > > of the
>>> > > > >>>> > > > > > >>> three directories.
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> Looking at the qemu-efi-arm package it should
>>> install
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> /usr/share/AAVMF/AAVMF32_CODE.fd
>>> > > > >>>> > > > > > >>> /usr/share/AAVMF/AAVMF32_VARS.fd
>>> > > > >>>> > > > > > >>> /usr/share/qemu/firmware/60-edk2-arm.json
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> and that should be picked up correctly by
>>> libvirt.
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> I don't know what machine types are available
>>> for
>>> > > 32bit
>>> > > > >>>> ARM, but
>>> > > > >>>> > > you
>>> > > > >>>> > > > > > >>> should be able to figure that out by running:
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> virsh capabilities | grep canonical
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> it will show only lines with machine types, but
>>> my
>>> > > guess
>>> > > > >>>> is on
>>> > > > >>>> > > arm
>>> > > > >>>> > > > > there
>>> > > > >>>> > > > > > >>> should be 'virt' machine type so running
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> virsh domcapabilities --machine virt
>>> --emulatorbin
>>> > > > >>>> > > > > > >>> /path/to/qemu-system-arm
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> where you should be able to see the firmware
>>> paths if
>>> > > > >>>> they are
>>> > > > >>>> > > > > correctly
>>> > > > >>>> > > > > > >>> detected by libvirt.
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> Pavel
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>> > On Tue, Aug 22, 2023 at 3:55 PM Mario
>>> Marietto <
>>> > > > >>>> > > > > marietto2008 at gmail.com
>>> > > > >>>> > > > > > >>> >
>>> > > > >>>> > > > > > >>> > wrote:
>>> > > > >>>> > > > > > >>> >
>>> > > > >>>> > > > > > >>> > > I've already did that :
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > # apt install qemu-efi-arm
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > Reading package lists... Done
>>> > > > >>>> > > > > > >>> > > Building dependency tree... Done
>>> > > > >>>> > > > > > >>> > > Reading state information... Done
>>> > > > >>>> > > > > > >>> > > qemu-efi-arm is already the newest version
>>> > > > >>>> (2022.11-6).
>>> > > > >>>> > > > > > >>> > > qemu-efi-arm set to manually installed.
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > if I don't get wrong,that package do the
>>> > > installation
>>> > > > >>>> of the
>>> > > > >>>> > > > > > >>> following
>>> > > > >>>> > > > > > >>> > > files :
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > root at devuan:/usr/share/AAVMF# ls
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > AAVMF32_CODE.fd AAVMF_CODE.fd
>>> > > > >>>> AAVMF_CODE.snakeoil.fd
>>> > > > >>>> > > > > > >>> > > AAVMF_VARS.ms.fd
>>> > > > >>>> > > > > > >>> > > AAVMF32_VARS.fd AAVMF_CODE.ms.fd
>>> AAVMF_VARS.fd
>>> > > > >>>> > > > > > >>> > > AAVMF_VARS.snakeoil.fd
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > in my case they have been correctly placed
>>> under
>>> > > > >>>> > > /usr/share/AAVMF
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > I'm not sure that the problem is there. The
>>> error
>>> > > > >>>> message
>>> > > > >>>> > > talks
>>> > > > >>>> > > > > > >>> about the
>>> > > > >>>> > > > > > >>> > > libvirt version that could be wrong. What
>>> about
>>> > > if I
>>> > > > >>>> > > retrocede
>>> > > > >>>> > > > > > >>> libirt 7.0
>>> > > > >>>> > > > > > >>> > > to 6.9 for example. Why 6.9 ?
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > As you can read below,it supports qemu 5.0
>>> and
>>> > > > >>>> newer...
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > v6.9.0 (2020-11-02)
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > *New features*
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > nodedev: Add support for channel
>>> subsystem
>>> > > (CSS)
>>> > > > >>>> > > devices on
>>> > > > >>>> > > > > > >>> S390
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > A CSS device is represented as a
>>> parent
>>> > > device
>>> > > > >>>> of a CCW
>>> > > > >>>> > > > > device.
>>> > > > >>>> > > > > > >>> > > This support allows to create vfio-ccw
>>> > > mediated
>>> > > > >>>> devices
>>> > > > >>>> > > > > with
>>> > > > >>>> > > > > > >>> > > virNodeDeviceCreateXML().
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > qemu: Implement memory failure event
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > New event is implemented that is
>>> emitted
>>> > > > >>>> whenever a
>>> > > > >>>> > > guest
>>> > > > >>>> > > > > > >>> > > encounters a memory failure.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > qemu: Implement support for
>>> <transient/>
>>> > > disks
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > VMs based on the QEMU hypervisor now
>>> can use
>>> > > > >>>> > > <transient/>
>>> > > > >>>> > > > > > >>> option
>>> > > > >>>> > > > > > >>> > > for local file-backed disks to
>>> configure a
>>> > > disk
>>> > > > >>>> which
>>> > > > >>>> > > > > discards
>>> > > > >>>> > > > > > >>> changes made
>>> > > > >>>> > > > > > >>> > > to it while the VM was active.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > hyperv: implement new APIs
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > The virConnectGetCapabilities(),
>>> > > > >>>> > > virConnectGetMaxVcpus(),
>>> > > > >>>> > > > > > >>> > > virConnectGetVersion(),
>>> > > virDomainGetAutostart(),
>>> > > > >>>> > > > > > >>> > > virDomainSetAutostart(),
>>> > > virNodeGetFreeMemory(),
>>> > > > >>>> > > > > > >>> virDomainReboot(),
>>> > > > >>>> > > > > > >>> > > virDomainReset(),
>>> virDomainShutdown(), and
>>> > > > >>>> > > > > > >>> virDomainShutdownFlags()
>>> > > > >>>> > > > > > >>> > > APIs have been implemented in the
>>> Hyper-V
>>> > > > >>>> driver.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > bhyve: implement virtio-9p filesystem
>>> > > support
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > Implement virito-9p shared filesystem
>>> using
>>> > > the
>>> > > > >>>> > > > > <filesystem/>
>>> > > > >>>> > > > > > >>> > > element.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > qemu: Add support for vDPA network
>>> devices.
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > VMs using the QEMU hypervisor can now
>>> > > specify
>>> > > > >>>> vDPA
>>> > > > >>>> > > network
>>> > > > >>>> > > > > > >>> devices
>>> > > > >>>> > > > > > >>> > > using <interface type='vdpa'>. The
>>> node
>>> > > device
>>> > > > >>>> APIs
>>> > > > >>>> > > also
>>> > > > >>>> > > > > now
>>> > > > >>>> > > > > > >>> list
>>> > > > >>>> > > > > > >>> > > and provide XML descriptions for vDPA
>>> > > devices.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > cpu_map: Add EPYC-Rome CPU model
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > *It's supported in QEMU 5.0.0 and
>>> newer.*
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > cpu: Add a flag for XML validation in
>>> CPU
>>> > > > >>>> comparison
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > The virConnectCompareCPU and
>>> > > > >>>> > > virConnectCompareHypervisorCPU
>>> > > > >>>> > > > > > >>> API now
>>> > > > >>>> > > > > > >>> > > support the
>>> > > > >>>> VIR_CONNECT_COMPARE_CPU_VALIDATE_XML flag,
>>> > > > >>>> > > > > which
>>> > > > >>>> > > > > > >>> > > enables XML validation. For virsh,
>>> this
>>> > > feature
>>> > > > >>>> is
>>> > > > >>>> > > enabled
>>> > > > >>>> > > > > by
>>> > > > >>>> > > > > > >>> passing the
>>> > > > >>>> > > > > > >>> > > --validate option to the cpu-compare
>>> and
>>> > > > >>>> > > > > hypervisor-cpu-compare
>>> > > > >>>> > > > > > >>> > > subcommands.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > qemu: Introduce virtio-balloon free
>>> page
>>> > > > >>>> reporting
>>> > > > >>>> > > feature
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > Introduce the optional attribute
>>> > > > >>>> free-page-reporting
>>> > > > >>>> > > for
>>> > > > >>>> > > > > virtio
>>> > > > >>>> > > > > > >>> > > memballoon device. It
>>> enables/disables the
>>> > > > >>>> ability of
>>> > > > >>>> > > the
>>> > > > >>>> > > > > QEMU
>>> > > > >>>> > > > > > >>> virtio
>>> > > > >>>> > > > > > >>> > > memory balloon to return unused pages
>>> back
>>> > > to
>>> > > > >>>> the
>>> > > > >>>> > > > > hypervisor.
>>> > > > >>>> > > > > > >>> QEMU 5.1 and
>>> > > > >>>> > > > > > >>> > > newer support this feature.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > *Improvements*
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > qemu: Make 'cbitpos' &
>>> 'reducedPhysBits'
>>> > > attrs
>>> > > > >>>> optional
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > Libvirt probes the underlying
>>> platform in
>>> > > order
>>> > > > >>>> to
>>> > > > >>>> > > fill in
>>> > > > >>>> > > > > > >>> these
>>> > > > >>>> > > > > > >>> > > SEV attributes automatically before
>>> > > launching a
>>> > > > >>>> guest.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > util: support device stats collection
>>> for
>>> > > > >>>> SR-IOV VF
>>> > > > >>>> > > hostdev
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > For SR-IOV VF hostdevs, libvirt now
>>> supports
>>> > > > >>>> retrieving
>>> > > > >>>> > > > > device
>>> > > > >>>> > > > > > >>> > > traffic stats via the
>>> > > virDomainInterfaceStats
>>> > > > >>>> API and
>>> > > > >>>> > > virsh
>>> > > > >>>> > > > > > >>> > > domifstat.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > logging: Allow disabling log rollover
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > Set max_len=0 in virtlogd.conf to
>>> disable
>>> > > log
>>> > > > >>>> rollover.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > qemu: Set noqueue qdisc for TAP
>>> devices
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > Set noqueue instead of the former
>>> pfifo_fast
>>> > > > >>>> queue
>>> > > > >>>> > > > > discipline
>>> > > > >>>> > > > > > >>> for
>>> > > > >>>> > > > > > >>> > > TAP devices. It will avoid needless
>>> cost of
>>> > > > >>>> host CPU
>>> > > > >>>> > > cycles
>>> > > > >>>> > > > > > >>> and thus
>>> > > > >>>> > > > > > >>> > > improve performance.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > qemu: virtiofs can be used without
>>> NUMA
>>> > > nodes
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > Virtiofs is supported for the VM
>>> without
>>> > > NUMA
>>> > > > >>>> nodes but
>>> > > > >>>> > > > > > >>> configured
>>> > > > >>>> > > > > > >>> > > with shared memory.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > *Bug fixes*
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > hyperv: ensure WQL queries work in all
>>> > > locales
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > Relying on the "Description" field
>>> caused
>>> > > > >>>> queries to
>>> > > > >>>> > > fail
>>> > > > >>>> > > > > on
>>> > > > >>>> > > > > > >>> > > non-"en-US" systems. The queries have
>>> been
>>> > > > >>>> updated to
>>> > > > >>>> > > avoid
>>> > > > >>>> > > > > > >>> using localized
>>> > > > >>>> > > > > > >>> > > strings.
>>> > > > >>>> > > > > > >>> > > -
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > rpc: Fix virt-ssh-helper detection
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > libvirt 6.8.0 failed to correctly
>>> detect the
>>> > > > >>>> > > availability
>>> > > > >>>> > > > > of
>>> > > > >>>> > > > > > >>> the
>>> > > > >>>> > > > > > >>> > > new virt-ssh-helper command on the
>>> remote
>>> > > host,
>>> > > > >>>> and
>>> > > > >>>> > > thus
>>> > > > >>>> > > > > always
>>> > > > >>>> > > > > > >>> > > used the fallback instead; this has
>>> now been
>>> > > > >>>> fixed.
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > What do you think ? Can you share some
>>> > > documentation
>>> > > > >>>> about
>>> > > > >>>> > > how to
>>> > > > >>>> > > > > > >>> > > recompile an older version of libvirt from
>>> source
>>> > > > >>>> code ?
>>> > > > >>>> > > thanks.
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > On Tue, Aug 22, 2023 at 3:35 PM Pavel
>>> Hrdina <
>>> > > > >>>> > > phrdina at redhat.com
>>> > > > >>>> > > > > >
>>> > > > >>>> > > > > > >>> wrote:
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > >> On Tue, Aug 22, 2023 at 02:49:05PM +0200,
>>> Mario
>>> > > > >>>> Marietto
>>> > > > >>>> > > wrote:
>>> > > > >>>> > > > > > >>> > >> > Hello to everyone.
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > I'm trying to use qemu 5.1 with
>>> virt-manager
>>> > > and
>>> > > > >>>> libvirt
>>> > > > >>>> > > on
>>> > > > >>>> > > > > my ARM
>>> > > > >>>> > > > > > >>> > >> > chromebook (armhf 32 bit cpu) running
>>> with
>>> > > Devuan
>>> > > > >>>> 4 as
>>> > > > >>>> > > host
>>> > > > >>>> > > > > o.s.
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > By default it uses qemu and its
>>> > > > >>>> dependencies,version 5.2.
>>> > > > >>>> > > I
>>> > > > >>>> > > > > > >>> remember
>>> > > > >>>> > > > > > >>> > >> that I
>>> > > > >>>> > > > > > >>> > >> > can't use qemu 5.2,because it doesn't
>>> have any
>>> > > > >>>> support for
>>> > > > >>>> > > > > KVM as
>>> > > > >>>> > > > > > >>> you
>>> > > > >>>> > > > > > >>> > >> can
>>> > > > >>>> > > > > > >>> > >> > read here :
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > >
>>> > > https://lists.gnu.org/archive/html/qemu-devel/2020-09/msg02074.html
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > For this reason,I've compiled qemu 5.1
>>> from
>>> > > > >>>> source. Below
>>> > > > >>>> > > I
>>> > > > >>>> > > > > shown
>>> > > > >>>> > > > > > >>> how I
>>> > > > >>>> > > > > > >>> > >> > have configured everything such as a
>>> little
>>> > > piece
>>> > > > >>>> of
>>> > > > >>>> > > > > compilation
>>> > > > >>>> > > > > > >>> > >> messages :
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > # apt install libgtk-3-dev libpulse-dev
>>> > > libgbm-dev
>>> > > > >>>> > > > > > >>> libspice-protocol-dev
>>> > > > >>>> > > > > > >>> > >> > libspice-server-dev libusb-1.0-0-dev
>>> > > libepoxy-dev
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > # cp
>>> > > > >>>> /root/Desktop/qemu-v5.1.0/arm-softmmu/qemu-system-arm
>>> > > > >>>> > > > > > >>> /usr/bin
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > # CFLAGS=-Wno-error ./configure
>>> > > > >>>> > > --target-list=x86_64-softmmu
>>> > > > >>>> > > > > > >>> > >> --enable-opengl
>>> > > > >>>> > > > > > >>> > >> > --enable-gtk --enable-kvm
>>> --enable-guest-agent
>>> > > > >>>> > > --enable-spice
>>> > > > >>>> > > > > > >>> > >> --audio-drv-
>>> > > > >>>> > > > > > >>> > >> > list="oss pa" --enable-libusb
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > A little piece of the log messages that
>>> I've
>>> > > got
>>> > > > >>>> from the
>>> > > > >>>> > > > > > >>> compilation of
>>> > > > >>>> > > > > > >>> > >> > qemu 5.1 :
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> https://pastebin.ubuntu.com/p/8DYfgPvhXy/
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > These are the resulting versions of my
>>> > > frankenstein
>>> > > > >>>> > > operation
>>> > > > >>>> > > > > :
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > # virsh version
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > Compiled against library: libvirt 7.0.0
>>> > > > >>>> > > > > > >>> > >> > Using library: libvirt 7.0.0
>>> > > > >>>> > > > > > >>> > >> > Using API: QEMU 7.0.0
>>> > > > >>>> > > > > > >>> > >> > Running hypervisor: QEMU 5.1.0
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > At this point I ran virt-manager. It has
>>> been
>>> > > able
>>> > > > >>>> to
>>> > > > >>>> > > detect
>>> > > > >>>> > > > > > >>> qemu,but I
>>> > > > >>>> > > > > > >>> > >> get
>>> > > > >>>> > > > > > >>> > >> > the following error :
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > Warning : Failed to set up UEFI.
>>> > > > >>>> > > > > > >>> > >> > The Libvirt version does not support
>>> UEFI.
>>> > > > >>>> > > > > > >>> > >> > Install options are limited.
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > (I have also tried upgrading devuan 4
>>> with
>>> > > devuan
>>> > > > >>>> 5 and
>>> > > > >>>> > > I've
>>> > > > >>>> > > > > got
>>> > > > >>>> > > > > > >>> the
>>> > > > >>>> > > > > > >>> > >> same
>>> > > > >>>> > > > > > >>> > >> > error :
>>> > > > >>>> > > > > > >>> > >>
>>> > > > >>>> > > > > > >>> > >> You most likely need to install
>>> qemu-efi-arm
>>> > > package
>>> > > > >>>> which
>>> > > > >>>> > > > > should
>>> > > > >>>> > > > > > >>> > >> provide 32bit arm firmware files. The
>>> package
>>> > > name
>>> > > > >>>> is a bit
>>> > > > >>>> > > > > > >>> confusing
>>> > > > >>>> > > > > > >>> > >> as it doesn't originate from qemu project,
>>> it is
>>> > > > >>>> from edk2
>>> > > > >>>> > > > > project.
>>> > > > >>>> > > > > > >>> > >>
>>> > > > >>>> > > > > > >>> > >> Without this package libvirt most likely
>>> doesn't
>>> > > > >>>> report any
>>> > > > >>>> > > efi
>>> > > > >>>> > > > > > >>> files
>>> > > > >>>> > > > > > >>> > >> and that's what causes the error you are
>>> hitting.
>>> > > > >>>> > > > > > >>> > >>
>>> > > > >>>> > > > > > >>> > >> Pavel
>>> > > > >>>> > > > > > >>> > >>
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > root at devuan:/usr/bin# virsh version
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > Compiled against library: libvirt 9.0.0
>>> > > > >>>> > > > > > >>> > >> > Using library: libvirt 9.0.0
>>> > > > >>>> > > > > > >>> > >> > Using API: QEMU 9.0.0
>>> > > > >>>> > > > > > >>> > >> > Running hypervisor: QEMU 5.1.0
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > If I change qemu-system-arm vers. 5.1
>>> with
>>> > > > >>>> qemu-system-arm
>>> > > > >>>> > > > > > >>> 5.2,the error
>>> > > > >>>> > > > > > >>> > >> > disappears. So,it seems that libvirt
>>> does not
>>> > > > >>>> accept
>>> > > > >>>> > > > > > >>> qemu-system-arm
>>> > > > >>>> > > > > > >>> > >> vers.
>>> > > > >>>> > > > > > >>> > >> > 5.1 or maybe any version lower than
>>> 5.2,I don't
>>> > > > >>>> know. But
>>> > > > >>>> > > as
>>> > > > >>>> > > > > I've
>>> > > > >>>> > > > > > >>> said,I
>>> > > > >>>> > > > > > >>> > >> > can't use any version of qemu greater or
>>> equal
>>> > > to
>>> > > > >>>> 5.2 on
>>> > > > >>>> > > my
>>> > > > >>>> > > > > > >>> setup. And I
>>> > > > >>>> > > > > > >>> > >> > want to use virt-manager and libvirt
>>> because I
>>> > > > >>>> find these
>>> > > > >>>> > > > > tools
>>> > > > >>>> > > > > > >>> very
>>> > > > >>>> > > > > > >>> > >> > comfortable instead of using the "raw"
>>> qemu
>>> > > > >>>> parameters. Is
>>> > > > >>>> > > > > there a
>>> > > > >>>> > > > > > >>> > >> > workaround ? Maybe I can recompile
>>> virt-manager
>>> > > > >>>> and / or
>>> > > > >>>> > > > > libvirt
>>> > > > >>>> > > > > > >>> from
>>> > > > >>>> > > > > > >>> > >> the
>>> > > > >>>> > > > > > >>> > >> > source code ? but how ? Do you think
>>> that it
>>> > > could
>>> > > > >>>> work
>>> > > > >>>> > > if I
>>> > > > >>>> > > > > use
>>> > > > >>>> > > > > > >>> > >> something
>>> > > > >>>> > > > > > >>> > >> > like this (if it exists and if it can be
>>> > > reached
>>> > > > >>>> in some
>>> > > > >>>> > > way)
>>> > > > >>>> > > > > :
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > Compiled against library: libvirt 5.0.0
>>> > > > >>>> > > > > > >>> > >> > Using library: libvirt 5.0.0
>>> > > > >>>> > > > > > >>> > >> > Using API: QEMU 5.0.0
>>> > > > >>>> > > > > > >>> > >> > Running hypervisor: QEMU 5.1.0
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > thanks.
>>> > > > >>>> > > > > > >>> > >> >
>>> > > > >>>> > > > > > >>> > >> > --
>>> > > > >>>> > > > > > >>> > >> > Mario.
>>> > > > >>>> > > > > > >>> > >>
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> > > --
>>> > > > >>>> > > > > > >>> > > Mario.
>>> > > > >>>> > > > > > >>> > >
>>> > > > >>>> > > > > > >>> >
>>> > > > >>>> > > > > > >>> >
>>> > > > >>>> > > > > > >>> > --
>>> > > > >>>> > > > > > >>> > Mario.
>>> > > > >>>> > > > > > >>>
>>> > > > >>>> > > > > > >>
>>> > > > >>>> > > > > > >>
>>> > > > >>>> > > > > > >> --
>>> > > > >>>> > > > > > >> Mario.
>>> > > > >>>> > > > > > >>
>>> > > > >>>> > > > > > >
>>> > > > >>>> > > > > > >
>>> > > > >>>> > > > > > > --
>>> > > > >>>> > > > > > > Mario.
>>> > > > >>>> > > > > > >
>>> > > > >>>> > > > > >
>>> > > > >>>> > > > > >
>>> > > > >>>> > > > > > --
>>> > > > >>>> > > > > > Mario.
>>> > > > >>>> > > > >
>>> > > > >>>> > > >
>>> > > > >>>> > > >
>>> > > > >>>> > > > --
>>> > > > >>>> > > > Mario.
>>> > > > >>>> > >
>>> > > > >>>> >
>>> > > > >>>> >
>>> > > > >>>> > --
>>> > > > >>>> > Mario.
>>> > > > >>>>
>>> > > > >>>
>>> > > > >>>
>>> > > > >>> --
>>> > > > >>> Mario.
>>> > > > >>>
>>> > > > >>
>>> > > > >>
>>> > > > >> --
>>> > > > >> Mario.
>>> > > > >>
>>> > > > >
>>> > > > >
>>> > > > > --
>>> > > > > Mario.
>>> > > > >
>>> > > >
>>> > > >
>>> > > > --
>>> > > > Mario.
>>> > >
>>> > >
>>> > >
>>> >
>>> > --
>>> > Mario.
>>>
>>
>>
>> --
>> Mario.
>>
>
>
> --
> Mario.
>
--
Mario.
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