Opened 5 years ago

Last modified 5 years ago

#18562 new defect

guest screen flickering by 3d acceleration on

Reported by: siriusjt Owned by:
Component: other Version: VirtualBox 6.0.4
Keywords: overlapping flickering screen 3d-acceleration nvidia Cc:
Guest type: Windows Host type: Linux


Hello, My Windows 10 guest screen of apps in Ubuntu-18.04 host shows flickering and/or overlapping.

  • Flickering 3~5 times while the tile menu brings up by clicking Start button
  • Overlapping top-left area of a window especially graphical apps, e.g. youtube, web browser

I did many googling and reading virtual box forums with similar issues and solutions but no effect for me.

  • Turning 3d acceleration off is a solution but drawing is too slow!
  • export CR_RENDER_FORCE_PRESENT_MAIN_THREAD=0 in /etc/profile.d/ - no effect
  • replace /usr/lib/virtualbox/ with compiled one from source codes - no effect

My hardware and software:

  • AMD Ryzen 5 2600 16GB: Ubuntu 18.04.2 LTS
  • NVIDIA GeForce GTX 1050 2GB: nvidia-driver-418

Please check it.

Attachments (1)

VirtualBox_win10_16_04_2019_12_14_22.png (415.7 KB ) - added by siriusjt 5 years ago.
Overlapping top-left area of windows

Download all attachments as: .zip

Change History (4)

by siriusjt, 5 years ago

Overlapping top-left area of windows

comment:1 by Socratis, 5 years ago

  1. It's usually better and faster, if issues get first addressed in the VirtualBox forums, a lot more eyes there. More than 95% of the issues are resolved in the forums, which keeps the developers focusing on the bug fixes and enhancements, and there is no need for another ticket to keep track of. For example, yours is most probably not a bug and someone from the developers has to deal with it and close it as "Invalid".

Plus a discussion and analysis on the bug tracker is going to help me, you, and potentially a future drive-by user or two. Not so in the forums, many more tend to benefit...

Open a new thread in the Windows Guests section of the forums. Please be sure to mention that you came from the bug tracker and include the ticket number.

  1. You were supposed to follow these steps when you filed the bug, and provide a VBox.log:

    Attach a (full) log file ("Machine" menu/"Show Log" in the main VirtualBox Manager window) straight away to save time for you and for us. The log file contains a lot of useful information about both the host and the guest systems as well as information about what happened during a particular machine run. Please do not cut and paste it.

comment:2 by Ron Miller, 5 years ago

This is not fixed in v6.0.14, at least for me.

comment:3 by Socratis, 5 years ago

Please don't wake up every VBoxSVGA+3D ticket, you have your own #18933.

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