VirtualBox

Ticket #3470 (closed defect: fixed)

Opened 5 years ago

Last modified 5 years ago

abnormal cpu consumption when usb mapping enabled

Reported by: peralta Owned by:
Priority: major Component: USB
Version: VirtualBox 2.1.4 Keywords:
Cc: Guest type: Linux
Host type: Mac OS X

Description

When mapping USB ports from the host to the guest system, VirtualBox consumes around 50% of the host CPU time even when the machine is idle. Same results occur with EHCI enabled or disabled.

Attached USB device is a temperature sensor which is polled every 5 minutes for its value. I can expect VBox to consume that much CPU while the device is being used, but not when idling. Deactivating USB support makes VBox consume less 5% CPU on the host system most of the time.

Change History

comment:1 Changed 5 years ago by peralta

seems fixed in virtualbox 2.2.X

comment:2 Changed 5 years ago by frank

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

Thank you for the feedback.

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