Force FB off

[Rui Santos]

  Hi Jan,

     You could boot with "vga=normal i915.modeset=0". This will provide 
you with a 25x80 console.
     You can also use vga=ext for an somethingx50 console.

Regards,
Rui


On 15-12-2010 13:39, Jan Engelhardt wrote:
> On Tuesday 2010-12-14 21:18, Dave Airlie wrote:
>> On Wed, Dec 15, 2010 at 3:41 AM, Jan Engelhardt<jengelh at medozas.de>  wrote:
>>
>>> booting with video=off nor video=i915:off has any effect on skipping
>>> FB. What is the correct option to stop FB from taking over my boot
>>> consoles?
>> For KMS its not fb taking over its the drm i915 driver, nomodeset will
>> stop it however X will no longer work since it relies on the kernel
>> driver.
> That would make sense. Furthermore I discovered that video=vesafb:off
> also has no effect, but here it is clear because the source code ignores
> the return value of fb_get_options, and so ignores any off command.
>
> The real strange thing is that video=offb:off on an Apple Xserve G5
> PPC64, while probably skipping OFFB initialization, still ends up in a
> 640x480 mode with a 8x16 font instead of retaining the PROM
> console/font.
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>

-- 

Cumprimentos

*Rui Santos*

Email: rsantos at grupopie.com <mailto:rsantos at grupopie.com>