Re: [Linux-fbdev-devel] drm_fb_helper: Impossible to change video mode

[Michal Suchanek <hramrach@centrum.cz>]

On 11 March 2010 16:17, James Simmons <jsimmons@infradead.org> wrote:
>
>> >> It would be nice to find a way to reclaim the console memory for X,
>> >> but I'm not sure that can be done and still provide a good way to
>> >> provide oops support.
>> >
>> > What do you think the average user will care about more?
>> >
>> >      * Seeing kernel oops/panic output about once in a lifetime.
>> >      * Being able to start/use X in the first place and enabling it to
>> >        use all of VRAM.
>> >
>> > Personally, I've never even seen any kernel oops/panic output despite
>> > numerous opportunities for that in the couple of months I've been using
>> > KMS. But I have spent considerable time and effort trying to get rid of
>> > the pinned fbcon BO. If the oops/panic output is the only thing
>> > preventing that, maybe that should only be enabled via some module
>> > option for developers.
>>
>> I'm all for it!
>
> I'm looking into the details for this. It will require some changes to
> internal apis to make it to work.
>

Can't it print the oops on whatever is currently displayed?

It need not be a dedicated buffer as long as there is always some buffer.

But perhaps this is more complex than that.

Thanks

Michal

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