VirtualBox

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Ticket Resolution Summary Owner Reporter
#6043 duplicate Seamless mode issues with multiple monitors in 3.1.2 Alan
Description

Starting in seamless mode when I have an external monitor has a serious issue. I sometimes see a partial desktop of the guest OS and partial app. Sometimes I see only a ghost of the guest app and guest taskbar on my second monitor. Switching to full screen and back to seamless fixes it. For my use, this makes 3.1.2 unusable.

#7240 obsolete Crazy monitor behavior. It's having a seizure. Alan
Description

We have deployed Virtualbox 3.0.8 to a number of customers. They are all running a web browser in seamless mode on a variety of laptops and desktops including Dell and Lenovo. The guest OS is Windows XP as are most of the host OS. They are having an issue where the entire screen turns into a multi-color hodgepodge of lines and static. It looks similar to when you have poor television reception with an antenna. I have seen this issue myself on a Lenovo laptop running Windows XP. At the time, I suspected our video drivers were the cause and updated them to the latest. That didn't fix this problem.

One of our users described the problem like this: "I had one this AM that occurred as I opened an email. Others have gotten it while opening Office apps. Others have received it while surfing the web. The entire screen becomes skewed and starts shaking. You can still move your mouse and can actually do a graceful shutdown, but the screen looks like it is having a seizure." These users only use a web browser within the Virtualbox guest. The other apps them mentioned run on the host OS.

Has anyone seen this and know what is going on?

#7486 obsolete Windows XP Guest taskbar overlays host taskbar in seamless mode Alan
Description

Environment: Windows XP or Vista host with Windows XP guest.

Summary: When in seamless mode, the windows guest taskbar will overlay the host taskbar making the host hard to use. The steps to recreate this are below.

  1. Create an XP VM in VirtualBox 3.2.8 or earlier
  2. Start the VM
  3. Open an IE browser
  4. Switch to seamless mode
  5. Close the VM, and elect to save its state
  6. Start the VM
  7. Lock the screen
  8. Wait while the VM restores "behind" the locked screen
  9. Unlock the screen. Note that the browser is displayed in seamless mode, but only one task bar is visible.

I was running a single display. When I extended my display into an auxiliary monitor. the symptom I was was that the VirtualBox taskbar and the VM browser came up in the auxiliary monitor rather than the main monitor.

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