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

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

--- Comment #2 from Martin Birgmeier <la5lbtyi at aon.at> ---
After some experimentation, the problem turned out to have a quite different
cause.

On both hosts, the same emulated harddisk is available: on the AMD machine
directly via a vmdk file pointing, on the Intel machine via iSCSI.

However, the file holding the emulated harddisk was not available. On the AMD
machine, this only caused VirtualBox to note that the machine cannot be
started. On the Intel machine however, the file seems to get exported as a
zero-sized disk; this in turn seems to trip up VBoxSVC.

So there are two issues: One, VBoxSVC gets confused about the announced but not
really existing iSCSI target, and second, the iSCSI daemon blindly announces to
export a file (with zero size) which does not exist (and cannot be created, its
path not being available).

I think the bigger problem lies with the iSCSI subsystem announcing a target
which does not exist. I'll try to reassing the issue to the base system.

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