VirtualBox

Ticket #5546 (closed defect: invalid)

Opened 4 years ago

Last modified 4 years ago

100% CPU

Reported by: ivangodfather Owned by:
Priority: major Component: other
Version: VirtualBox 3.0.12 Keywords:
Cc: Guest type: Linux
Host type: Windows

Description

The CPU ussage in the host machine is 100% CPU utilization cause Virtualbox.exe. The host machine is a W7 and the guest is Debian lenny.

Attachments

vbox.jpg Download (325.1 KB) - added by ivangodfather 4 years ago.
VBox.log Download (36.5 KB) - added by ivangodfather 4 years ago.

Change History

Changed 4 years ago by ivangodfather

comment:1 Changed 4 years ago by Technologov

Please add vbox log

-Technologov

comment:2 Changed 4 years ago by klaus

Deleted the log file which was provided initially, as it didn't show a fully booted guest. Looking at it would lead to incorrect conclusions.

Changed 4 years ago by ivangodfather

comment:3 Changed 4 years ago by klaus

  • Status changed from new to closed
  • Resolution set to invalid

The log file shows that the timer is set back to 18Hz, which made me ask him on IRC what could be the cause. He identified the "ztdummmy" module (see  http://www.voip-info.org/wiki/view/Asterisk+timer+ztdummy). It uses some high-resolution timer apparently which consumes a lot of cpu time to emulate. Unloading that module fixes the problem.

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