Ticket #9168 (closed defect: fixed)

Opened 9 years ago

Last modified 8 years ago

OSX host system lockup when starting Win7 guest with Ubuntu guest already running

Reported by: tony19 Owned by:
Component: other Version: VirtualBox 4.0.8
Keywords: Cc:
Guest type: Windows Host type: Mac OS X

Description (last modified by frank) (diff)

Mac OSX (10.6.7) freezes when I try to start my Windows 7 guest while my Ubuntu guest is running. The system freezes when "Starting Windows" appears. The only resolution is to press and hold power button to shutdown and restart.


Win7.VBox.log.tgz Download (58.4 KB) - added by tony19 9 years ago.
Windows 7 VBox logs
Ubuntu.VBox.log.tgz Download (51.2 KB) - added by tony19 9 years ago.
Ubuntu 11.04 VBox logs

Change History

Changed 9 years ago by tony19

Windows 7 VBox logs

Changed 9 years ago by tony19

Ubuntu 11.04 VBox logs

comment:1 Changed 9 years ago by tony19


  • Windows 7, 32-bit
  • Ubuntu 11.04, 64-bit


  • Mac OSX (10.6.7), 64-bit

comment:2 Changed 8 years ago by frank

  • Status changed from new to closed
  • Resolution set to fixed
  • Description modified (diff)

Please reopen if still relevant with VBox 4.1.22.

comment:3 Changed 8 years ago by t0ny19

I think it had to do with lack of RAM. I had only 4G of RAM, 2G was in use by one of the VMs on top of that used by the host. My Windows VM required 2G. After I upgraded my system to 16GB of RAM, the problem went away.

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