[Spice-devel] Vdagent not working on a Debian guest

[Uri Lublin]

Hi,

On Tue, Oct 18, 2022 at 8:40 PM Frediano Ziglio <freddy77 at gmail.com> wrote:

> Il giorno mar 18 ott 2022 alle ore 01:04 Carlos González
> <piteccelaya at gmail.com> ha scritto:
> >
> > Were you able to find something by chance? Thanks.
> >
>
> Hi Carlos,
>    my main curiosity was about the need of the agent for resize.
> I did some tests and with both Windows and Linux it appears that the
> agent is needed.
> At this point I would try looking at the agent logs.
> Is your system using Xorg or Wayland ?
>
> Regards,
>    Frediano
>
>
I agree with Frediano that (with a recent QXL device) the arbitrary
resolution update is done via QXL.
Note that it does not work for all Desktop Environments, and I apparently
it doesn't work for AntiX Linux (default DE).
If you can, try to run with GNOME/X11 and see if that works.

Related bug: https://bugzilla.redhat.com/show_bug.cgi?id=1290586

Regards,
    Uri.


> El sáb, 15 oct 2022 a las 9:22, Frediano Ziglio (<freddy77 at gmail.com>)
> escribió:
> >>
> >> Il giorno ven 14 ott 2022 alle ore 16:11 Carlos González
> >> <piteccelaya at gmail.com> ha scritto:
> >> >
> >> > As soon as spice-vdagent package is installed, so is the
> spice-vdagentd daemon and it also starts running. Yet I always need to
> manually run spice-vdagent command...
> >> >
> >>
> >> Maybe you would need to logout and login again from the graphic
> >> session. Or manually start it, not sure.
> >>
> >> > How do I specify an output directory for the agent to file transfer?
> >> >
> >>
> >> See "spice-vdagent --help", specifically -f and -o options.
> >>
> >> > I don't think it's remote-viewer's fault, because I also tested with
> a Windows guest. With all SPICE stuff properly installed, everything works
> out of the box: clipboard, resizing, file transfer from host to guest. With
> "properly installed" I mean: installed SPICE drivers manually from
> virtio-win ISO by loading them since the Windows installation beforehand,
> then once booted into Windows downloaded the vdagent ZIP from spice-space
> website and manually installed the service according to instructions.
> >> >
> >>
> >> I'll check, maybe is not handled by driver but agent
> >>
> >> > As additional detail, in QEMU I use the option "-display spice-app",
> which automatically starts remote-viewer; though curiously it doesn't seem
> to create a virt-viewer directory inside ~/.config unlike when running
> remote-viewer manually...
> >> >
> >> > Thanks again.
> >> >
> >> > El vie, 14 oct 2022 a las 12:41, Frediano Ziglio (<freddy77 at gmail.com>)
> escribió:
> >> >>
> >> >> Il giorno gio 13 ott 2022 alle ore 16:58 Carlos González
> >> >> <piteccelaya at gmail.com> ha scritto:
> >> >> >
> >> >> > Hello.
> >> >> >
> >> >> > I'm trying a virtual machine with a live CD distribution called
> AntiX Linux, which is directly based on Debian.
> >> >> >
> >> >> > I'm using direct QEMU commands.
> >> >> > In the VM configuration I have this for SPICE configuration:
> >> >> > "-vga qxl -device virtio-serial-pci -spice
> unix=on,addr=path/to/vm_spice.socket,disable-ticketing=on -chardev
> spicevmc,id=spicechannel0,name=vdagent -device
> virtserialport,chardev=spicechannel0,name=com.redhat.spice.0 \"
> >> >> > Then I boot the live ISO, double check that QXL driver is
> installed -which normally always is-, and install spice-vdagent package
> (version 20 here). I'm using remote-viewer (virt-viewer) to visualize the
> VM.
> >> >> >
> >> >> > Up to this point, clipboard sharing with host still doesn't work,
> and trying to drag a file from host to guest results in an error "The agent
> is not connected".
> >> >> >
> >> >>
> >> >> This error is normal if the agent is stopped.
> >> >>
> >> >> > So I manually run "spice-vdagent" command, and clipboard sharing
> now works, but trying to drag file from host to guest gives "File transfer
> is disabled". Also, automatic resolution change with window resizing
> doesn't work either.
> >> >> >
> >> >>
> >> >> The fact that in this way the clipboard is running indicates that the
> >> >> agent is now working. You need to specify an output directory to the
> >> >> agent in order to get file transfer working.
> >> >> About the resolution change that's weird, I think that feature on
> >> >> Linux does not even require the agent running. Is it possible that
> the
> >> >> client (remove-viewer) is not set up to send resize to the guest
> >> >> automatically, there are some options on the menu.
> >> >>
> >> >> > Certainly, this live distro doesn't come with any spice-related
> packages installed by default, except for the QXL package.
> >> >> >
> >> >> > Am I missing something here? Could someone help please?
> >> >> > Thanks beforehand.
> >> >>
> >> >> Frediano
>
>
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