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/freebsd-11-stable/stand/pc98/btx/btx/
H A Dbtx.Sdiff 249846 Wed Apr 24 17:29:07 MDT 2013 dim When rebooting (exiting) from the BTX loader, make sure to restore the
GDT from the correct segment, otherwise a triple fault would be caused.
In some virtual environments (VMware, VirtualBox, etc) this could lead
to a unhandled error or hang in the guest emulation software.

Thanks to avg and jhb for a few hints in the right direction.

Noticed by: Jeremy Chadwick <jdc@koitsu.org> (and many others)
MFC after: 1 week
/freebsd-11-stable/stand/i386/btx/btx/
H A Dbtx.Sdiff 249846 Wed Apr 24 17:29:07 MDT 2013 dim When rebooting (exiting) from the BTX loader, make sure to restore the
GDT from the correct segment, otherwise a triple fault would be caused.
In some virtual environments (VMware, VirtualBox, etc) this could lead
to a unhandled error or hang in the guest emulation software.

Thanks to avg and jhb for a few hints in the right direction.

Noticed by: Jeremy Chadwick <jdc@koitsu.org> (and many others)
MFC after: 1 week

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