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Guest cursor visible in host (yes this way)

Posted: 30. Dec 2020, 16:59
by doddony
Hi,
Strange behaviors here but not critical at all.

When special cursors appear on the guest (W10) like resize or writing barre, or drag and drop. This cursor is still visible in my Host. Even if move, resize the guest windows. And even if I close or suspend it.

To make it disappear. I have to recreate the same cursor under the guest. It will disappear as long as I stay under the guest. As soon as I go back to the host, the last special cursor is visible.

Not so annoying because it's a server machine. But If its was an everyday use, this could be very annoying.

Does anyone else experiencing this ?

I'll try to make a video if needed.

Little bit more info :
Host is xubuntu 20.04 and guest is W10. Vbox version is 6.1.10

Re: Guest cursor visible in host (yes this way)

Posted: 30. Dec 2020, 17:02
by scottgus1
I think we'll need that video, please. Put the link in a text file and upload the text file using the forum's Upload Attachment tab.

Also, Start the guest from full power off, not save-state. Run until you see the problem happen, then shut down the guest from within the guest OS if possible. If not possible, close the Virtualbox window for the guest with the Power Off option set.

Please right-click the guest in the main Virtualbox window's guest list, choose Show Log. Save the far left tab's log, zip the log file, and post the zip file, using the forum's Upload Attachment tab.

Re: Guest cursor visible in host (yes this way)

Posted: 4. Jan 2021, 10:36
by doddony
I've just tried to make screen capture with SimpleScreenRecorder.
It catch my mouse icon (host one) but the remaining one is not visible on the video. But still visible on my screen.
I had to make screen capture with my phone.
It's on a private server. So I can't disclose much on the video.

here the video file : https://streamable.com/no71rz

As you can see, only the vertical bar (caret ?) is remaining. not the resize one (double arrow).

Re: Guest cursor visible in host (yes this way)

Posted: 4. Jan 2021, 18:33
by scottgus1
The log has not been saved per instructions, so it is not usable.

The video shows the I-beam seemingly sticking as the mouse leaves the VM OS's textbox and becoming stuck on the host screen regardless of the VM's window size & location. There is no setting in Virtualbox that would control this. Since you have Guest Additions installed, as evidenced by the ability to drag the edge of the VM's window and have the VM OS re-size appropriately, Mouse Integration seems to be working. I surmise that the drawing of the host mouse pointer is missing a signal to change back. It could be a graphics driver glitch.

Regrettably the posted clipped log contains none of the diagnostic info we need in order to tell if the VM is set up correctly for the OS installed. You intentionally clipped the log to the part you felt was important and wasted our time. Please don't do that again. You received instructions. Follow them.

Re: Guest cursor visible in host (yes this way)

Posted: 6. Jan 2021, 08:38
by doddony
As I said at the very beginning
Strange behaviors here but not critical at all.
So I don't care about this bug.

I made a mistake about the log. This could happen.
Please understand that, this virtual machine is not mine and is in production environment. So I can't do and disclose everything as you expect.
I'm here to give you information and time freely, as the software is.
You'll get better results with kindness than what you just exposed ...
Never-mind.

So I made a fresh restart. Problem is present from the very beginning and append as soon as my mouse is over a text box. Closed the vm gracefully. Saved log, zipped log. You can find it attached.

I'm here to find additional information about this.

Re: Guest cursor visible in host (yes this way)

Posted: 6. Jan 2021, 18:10
by scottgus1
doddony wrote:You'll get better results with kindness than what you just exposed ...
When people follow instructions they'll won't get firm counsel to do so thereafter.
doddony wrote:I made a mistake about the log. This could happen.
'Twasn't a mistake, 'twas a purposeful clip that wasn't instructed.

Anyhoo, you did really well with this log! :D Being the full log, it contains very important pieces of information:
00:00:01.271214 VirtualBox VM 6.1.10_Ubuntu r138449 linux.amd64 (Jun 6 2020 11:31:37) release log
00:00:01.304110 Installed Extension Packs:
00:00:01.304133 VNC (Version: 6.1.10 r138449; VRDE Module: VBoxVNC)
You're running the Ubuntu fork of Virtualbox, with an unsupported Extension Pack: https://www.virtualbox.org/manual/ch09. ... erextpacks.

We don't support the forks of Virtualbox that Linux distros offer, as they change things in ways we don't grok. Ubuntu provides support for their fork, or you can uninstall the fork and install official Virtualbox from https://www.virtualbox.org/wiki/Linux_Downloads. Also uninstall the VNC Extension Pack for now, and run without the EP, or install the official EP. Once we see if this fixes the glitch, then we can try the VNC EP and see what happens.

Re: Guest cursor visible in host (yes this way)

Posted: 6. Jan 2021, 20:06
by doddony
Thanks for you detailed reply.