[Bug 193672] FreeBSD UEFI boot panics with VirtualBox UEFI loader

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Feb 19 21:13:17 UTC 2015


Jung-uk Kim <jkim at FreeBSD.org> changed:

           What    |Removed                     |Added
                 CC|                            |jkim at FreeBSD.org

--- Comment #7 from Jung-uk Kim <jkim at FreeBSD.org> ---
VirtualBox supports both UGA (Universal Graphic Adapter) and GOP (Graphics
Output Protocol) but FreeBSD loader uses GOP.  Default GOP mode seems to be 2
(1024x768) and it panics kernel if the system memory is small.  As a stopgap,
you may lower the resolution with VBoxManage, i.e.,

VBoxManage setextradata "VM name" VBoxInternal2/EfiGopMode N

where "VM name" is the name of your VM and N is from 0 to 5.

For example,

VBoxManage setextradata FreeBSD VBoxInternal2/EfiGopMode 1

will lower video mode to 800x600 for your "FreeBSD" VM.  Please see the manual
for more information.


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