[Bug 219556] emulators/virtualbox-ose: VBoxSVC consumes 100% CPU and does not exit

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219556

            Bug ID: 219556
           Summary: emulators/virtualbox-ose: VBoxSVC consumes 100% CPU
                    and does not exit
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: vbox at FreeBSD.org
          Reporter: la5lbtyi at aon.at
          Assignee: vbox at FreeBSD.org
             Flags: maintainer-feedback?(vbox at FreeBSD.org)

Since a few days (I believe since the upgrade of mesa to 17.1.0) VBoxSVC
continuously consumes 100% CPU and does not shut down after all sessions have
closed.

This happens if any graphical window is used (VirtualBox). If using only
VBoxHeadless, VBoxSvc behaves normally.

Also, this happens on one of two systems only: The affected one has an Intel
CPU and uses an Nvidia graphics card + proprietary driver, whereas the normal
one uses an AMD CPU and displays graphical output over the network (X11
connection).

# top -Utest
last pid:  9924;  load averages:  0.88,  0.90,  1.40    up 0+05:30:35  22:43:46
122 processes: 2 running, 119 sleeping, 1 zombie
CPU:  0.5% user, 12.5% nice,  0.4% system,  0.0% interrupt, 86.5% idle
Mem: 820M Active, 2747M Inact, 5324M Wired, 109M Buf, 15G Free
ARC: 2998M Total, 618M MFU, 2329M MRU, 444K Anon, 11M Header, 38M Other
Swap: 9216M Total, 9216M Free

  PID USERNAME    THR PRI NICE   SIZE    RES STATE   C   TIME    WCPU COMMAND
 9916 test         14  25    5   172M 50820K select  5   0:15 103.65% VBoxSVC
 9911 test          9  26    5   394M   107M select  2   0:01   0.08% VirtualBo
 9917 test          1  20    0 30364K  7076K CPU5    5   0:00   0.05% top
 9914 test          1  25    5   123M 43400K select  0   0:00   0.02% VBoxXPCOM
 9898 test          1  20    0 75696K 13228K select  0   0:00   0.01% xterm
 9899 test          1  20    0 35068K  8796K pause   4   0:00   0.00% zsh

When exiting VirtualBox via the "exit" menu command, the window vanishes, but
VBoxSVC continues to run at 100% CPU, and the VirtualBox process remains (at
0%). In this case, VBoxSVC can be killed -1, which will then also terminate
VirtualBox and VBoxXPCOM.

All ports up-to-date as of now.

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