VirtualBox

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Ticket Resolution Summary Owner Reporter
#14137 obsolete CPU runs to 100% with Idle guest using Vagrant Ubuntu image Jeremy Beker
Description

I am running vagrant on a Mac OS X (10.10.3) host system. Within 15-60 minutes of starting up a VM, the host CPU ramps up to 100% CPU usage while the guest is idle.

My vagrant guest is Ubuntu 64-bit.

Starting and stopping the VM will stop the runaway CPU but it will go back to 100% within the same time period again.

(I have seen numerous reports of similar situations without any resolutions.)

#7726 wontfix CPU speed Chris
Description

I was thinking when running a win 3.1 system my current processor is to fast. Is there a way that you can add a feature where you can slow your processor down to 40 mhz in the virtual? Also I have not tried it yet but maybe a usb game adapter setting so that the guest OS sees it as an older style serial adapter.

#13223 obsolete CPU-simulation in VirtualBox leads to Kernelpanic in Mac OS X Server 10.6.8 guest's AppleIntelCPUPowerManagement Kernel Extension when more than one core is enabled Lars Sonchocky-Helldorf
Description

The CPU-simmulation in VirtualBox leads to a Kernelpanic in Mac OS X Server 10.6.8 guest's AppleIntelCPUPowerManagement Kernel Extension when more than one core is enabled. This seems to be specific for 10.6 because it works in 10.9 without flaws. 10.6 supports multiple core without any problem on bare metal so this is an issue with virtual box, specifically the power management part of the simulated CPU (invalid opcode). See attached screen shots and VBox.log

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