Public bug reported:
Note: I *think* this used to happened when I used Ubuntu as the host as
well. Though I never tested the workaround with that combination.
1. Macos (El Capitan) host, Ubuntu running XFCE guest with xscreensaver
configured as the screensaver
2. Lock Macos host (Cmd-Shift-Power Off)
3. Leave long enough for the guest's xscreensaver to kick in
4. Virtualbox reports about 150% cpu in the MacOS Task Manager.
5. After careful experimentation, I discovered that this was due
xscreensaver kicking in when I had been away
Tip: You can short-circuit steps 2 and 3 by running "xscreensaver-
command -activate" in the guest OS.
** Affects: virtualbox (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1684857
Title:
Virtualbox consumes very high cpu after host suspend (macos host,
ubuntu client)
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