[vbox-dev] Guest Additions udev rule to fix console font

Michael Thayer michael.thayer at oracle.com
Fri Jul 1 13:34:48 UTC 2016

(Answered off-list by mistake.)

On 01.07.2016 13:15, Evgeniy Isaev wrote:
> 01.07.2016 15:46, Michael Thayer пишет:
>> Hello Evgeniy,
>> On 01.07.2016 11:28, Evgeniy Isaev wrote:
>>> In Ubuntu execution of rule
>>> /lib/udev/rules.d/85-keyboard-configuration.rules
>>> and loading kernel module vboxvideo occur independently and
>>> consistency is
>>> not guaranteed. As a result, font on the consoles set randomly from video
>>> bios or user defined. To avoid this, you must set up the consoles after
>>> loading the module. This can be done by adding simple rule to
>>> /etc/udev/rules.d/60-vboxadd.rules:
>>> SUBSYSTEM=="graphics", ATTR{name}=="vboxdrmfb", RUN+="console-setup-tty
>>> fbcon"
>> Let's see if I have understood what this is about.  My guess from the
>> above is that if console-setup-tty is executed before vboxvideo is
>> loaded that it will load the fonts into the basic terminal and not the
>> fbcon subsystem, and that therefore fbcon will not see the user defined
>> fonts.  Is that correct?
> Yes that's correct.

Does this work with other drm frame-buffer drivers?  If so I would be 
interested to know what we they are doing that we are not.  And if not 
this is more likely Ubuntu's bug than ours.



>> Ubuntu seem to have some timing problems with console-setup-tty
>> generally - sometimes when Ubuntu is run inside of VirtualBox - without
>> Additions - it can run after the X server has started and spoil the X
>> server's graphics mode<1>.
>> Regards,
>> Michael
>> <1> https://www.virtualbox.org/ticket/13615

Michael Thayer | VirtualBox engineer
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