Opened 8 years ago
#16388 new defect
Guest CPU utilization pegged at 100% making the guest unusable
| Reported by: | Rafcio | Owned by: | |
|---|---|---|---|
| Component: | VMM/HWACCM | Version: | VirtualBox 5.1.12 |
| Keywords: | Cc: | ||
| Guest type: | Windows | Host type: | Windows |
Description
Pretty much any activity in the guest pegs the guest CPU utilization at 100% for extended periods of time (for example client booting takes half an hour or more) during which the client is unusable. This affects Windows 7 and 10 clients, but Windows XP and OS/2 clients seem to be unaffected. This has been introduced by either host upgrade from Windows 7 to version 10, or in VBox version 5.0 or 5.1. Last time a Windows 7 client was working correctly was on Windows 7 host and VBox version 4.3.x. Like I mentioned, multiple clients are affected, all are either Windows 7 or 10, both 32 and 64 bit.
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Log file from one of the affected VMs