Re: efifb not detected on Intel DQ67SW

[Peter Jones <pjones@redhat.com>]

On 05/26/2011 12:09 AM, Andrew Lutomirski wrote:
> On Wed, May 25, 2011 at 2:54 PM, Andrew Lutomirski <luto@mit.edu> wrote:
>> On Wed, May 25, 2011 at 2:32 PM, Matthew Garrett <mjg@redhat.com> wrote:
>>> On Wed, May 25, 2011 at 02:21:17PM -0400, Andrew Lutomirski wrote:
>>>
>>>> Looking at the code, I'm a little confused how it's supposed to work.
>>>> AFAICT, unless there's a DMI match, then the driver will only load
>>>> ifthe boot code sets VIDEO_TYPE_EFI, but nothing sets that.
>>>
>>> grub should be setting that.
>>
>> It looks like grub-fedora (the git version, anyway) has a function
>> set_kernel_params that tries to do this.  Peter, the git tree claims
>> that you maintain it.  Are there any experiments you'd like me to do?
>> (Dumping boot_params, perhaps?)
> 
> It's a bug in grub.  If I have a splashimage then efifb works.  If I
> don't, then efifb doesn't.  If I don't hear anything back soon, I'll
> file a bug against Fedora.

That's expected, though I admit it's not the best thing ever. We're currently
working on not needing that bootloader at all any more, in favor of grub2,
which doesn't have this limitation.

> FWIW, efifb seems really slow.

It's a non-accelerated console.  Of course it's slow.

-- 
        Peter