VBoxClient --clipboard constantly consuming >80% of CPU usage

Discussions about using Linux guests in VirtualBox.
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c0000007
Posts: 10
Joined: 26. Feb 2022, 04:24

VBoxClient --clipboard constantly consuming >80% of CPU usage

Post by c0000007 »

Hi,

I am running Virtualbox on Windows 11 with Fedora 39 as the guest. I observed using MATE system monitor that VBoxClient --clipboard is consuming >80% of CPU usage, even when I am not copy/paste anything. There are 2 errors reported in the logs, wonder is it because of these errors? What does the error means? Does anyone experience this before?

...
00:00:00.497058 Build Type: release
00:00:00.497061 OS Product: Windows 11
00:00:00.497061 OS Release: 10.0.22621
...
00:00:19.534400 VMMDev: Guest Log: 10:08:28.586692 main VBoxService 7.0.14 r161095 (verbosity: 0) linux.amd64 (Jan 15 2024 15:01:58) release log
00:00:19.534417 VMMDev: Guest Log: 10:08:28.586693 main Log opened 2024-02-03T10:08:28.586686000Z
00:00:19.534454 VMMDev: Guest Log: 10:08:28.586760 main OS Product: Linux
00:00:19.534476 VMMDev: Guest Log: 10:08:28.586788 main OS Release: 6.6.14-200.fc39.x86_64
00:00:19.534496 VMMDev: Guest Log: 10:08:28.586807 main OS Version: #1 SMP PREEMPT_DYNAMIC Fri Jan 26 20:12:16 UTC 2024
00:00:19.534516 VMMDev: Guest Log: 10:08:28.586827 main Executable: /opt/VBoxGuestAdditions-7.0.14/sbin/VBoxService
00:00:19.534521 VMMDev: Guest Log: 10:08:28.586827 main Process ID: 1157
00:00:19.534524 VMMDev: Guest Log: 10:08:28.586828 main Package type: LINUX_64BITS_GENERIC
00:00:19.536179 VMMDev: Guest Log: 10:08:28.588471 main 7.0.14 r161095 started. Verbose level = 0
00:00:19.537361 VMMDev: Guest Log: 10:08:28.589666 main vbglR3GuestCtrlDetectPeekGetCancelSupport: Supported (#1)

00:00:19.537450 VMMDev: Guest Log: 10:08:28.589763 main Error: Failed to become guest control master: VERR_RESOURCE_BUSY
00:00:19.537535 VMMDev: Guest Log: 10:08:28.589850 main Error: Service 'control' failed to initialize: VERR_RESOURCE_BUSY

00:00:19.537662 VMMDev: Guest Log: 10:08:28.589976 main Session 0 is about to close ...
00:00:19.537682 VMMDev: Guest Log: 10:08:28.590000 main Stopping all guest processes ...
00:00:19.537702 VMMDev: Guest Log: 10:08:28.590018 main Closing all guest files ...
00:00:19.537722 VMMDev: Guest Log: 10:08:28.590039 main Ended.
00:00:21.272310 VMMDev: Guest Additions capability report: (0x4 -> 0x5) seamless: yes, hostWindowMapping: no, graphics: yes
00:00:21.280543 Shared Clipboard: New Clipboard API enabled
00:00:21.304690 DnD: Feature is disabled, ignoring request from guest
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