VirtualBox

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Ticket Resolution Summary Owner Reporter
#9085 invalid Allocating more cores than physically available leads to instability instead of just bad performance Jarrad Whitaker
Description

When using a Linux guest on Windows 7 x64 host, allocating 4 CPUs to my Linux guests (tested with Debian Testing as of the date of this bug report, and Ubuntu 11.04) leads to the guest either suddenly completely hanging (Ubuntu) or unable to launch any new processes (Debian). I have a dual core i5 with hyperthreading - as such I have the (albiet stupid) option to allocate four CPU cores to a VM. As a new user I did not make the connection that over-allocating was such a bad thing - this wasn't helped by the fact that VirtualBox displayed green for 1-4 CPUs, and red for anything over that.

Two issues that would be nice to have fixed: 1) overallocating, even though bad, should not lead to instability. 2) VirtualBox's UI should provide some indication that the user is overallocating cores. At the moment the green slider region can mislead inattentive users such as myself into thinking it's perfectly OK, and indeed a good thing, to allocate four CPUs on a host with four virtual cores but only two physical cores.

#13065 wontfix Allow BIOS Logo in 16bit or 32bit color BMP rj45
Description

GIMP is not able to export 8bit color BMP files of the type that virtualbox's logo screen requires. Can the allowed color depth of the bios logo splash screen be increased to at least 16bit color?

#10453 obsolete Allow VM to copy text from console like Putty it does KES
Description
  1. Release mouse from terminal pressing HOST key (Right CTRL)
  2. Allow user to select text in console
  3. The selected text starts to be available in buffer HOST OS
  4. User now can CTRL+V in Notepad.exe for example

and vice-versa:

  1. User CTRL+C text in HOST OS
  2. Activate window of GUEST OS, but release mouse from terminal
  3. Right CLICK
  4. Copied text is going to typing in terminal
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