Thanks Hans, but right now we have a higher priority problem with fedora
32,
that is we cannot get our vboxsf kernel module loaded anymore when we
install
our GAs because the Linux vboxsf kernel module is sticking and the only
one getting loaded
even though the Fedora specific guest additions you mentioned below have
been uninstalled.
Also the Linux kernel vboxsf kernel module is incompatible with
our userland commands, our userland cannot talk to your vboxsf kernel
module anymore.
investigating and fixing these beauty currently has a higher priority for
us.
On Mon, 08 Jun 2020 17:46:58 +0200, Hans de Goede <[email protected]>
wrote:
Hi All,
While looking into upgrading the Fedora virtualbox-guest-additions
packages to 6.0.10
I noticed that the "VBoxClient --vmsvga-x11" call in VBoxClient-all has
been replaced
with "VBoxClient --vmsvga" and that that one will either behave as the
old --vmsvga-x11
version (when running under a X11 session) or it will start
/usr/bin/VBoxDRMClient.
I added /usr/bin/VBoxDRMClient to the Fedora packages, but after that
resizing of
a GNOME3 as Wayland-compositor session inside the guest still did not
work.
The issue seems to be that /usr/bin/VBoxDRMClient needs more rights, I
guess that
the upstream version of the guest-additions installs it suid root ?
That is not necessary and since Fedora ships virtualbox-guest-additions
as part of
the default workstation install we would like to avoid adding another
suid root binary
to the default install.
Instead I've written a udev rule + systemd service to replace the
"VBoxClient --vmsvga"
call inside VBoxClient-all. These config files will start
/usr/bin/VBoxDRMClient
when running inside a VBox VM with VMSVGA graphics. Note this will now
run independent
of the type of session (X11 or Wayland) running inside the VM. This
means that X11
sessions now also use VBoxDRMClient rather then VBoxClient --vmsvga-x11
for resizing.
This works fine and if upstream adopts this, then the VBoxClient
--vmsvga-x11
can be dropped.
The udev rule and systemd file can be found here. Feel free to use these
under the
MIT license:
https://src.fedoraproject.org/rpms/virtualbox-guest-additions/blob/master/f/VirtualBox-60-vboxguest.rules
https://src.fedoraproject.org/rpms/virtualbox-guest-additions/blob/master/f/vboxclient.service
Regards,
Hans
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frankB
Oracle Virtualbox Development
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