Re: [Xen-devel] EFI GetNextVariableName crashes when running under Xen, but not under Linux. efi-rs=0 works. No memmap issues

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 28.01.15 at 13:57, <daniel.kiper@xxxxxxxxxx> wrote:
> On Wed, Jan 28, 2015 at 08:43:19AM +0000, Jan Beulich wrote:
>> >>> On 27.01.15 at 21:18, <daniel.kiper@xxxxxxxxxx> wrote:
>> > I am going to align EFI early command line parser to legacy
>> > BIOS early boot path parser (I think about vga command line
>> > option). So, I think that this EFI "bug" work could be based
>> > on it.
>>
>> The vga option is completely meaningless under EFI. And any such
> 
> Yep, I know that we have GOP there. I meant that user should have
> a chance to choose arbitrary mode like in case of VGA. Currently,
> he or she could only rely on automatic mode detection or just disable
> this mechanism. So, I think we should implement vga option (or rename
> it to gop) as is (maybe with some minor changes) in early EFI code.

Sounds like you haven't seen the video= config file option...

>> workaround implementation would ideally be done in a backportable
>> way, i.e. without depending on a huge pile of other changes.
> 
> We add more and more early options, so, maybe we could workout
> something generic, easily reusable in other cases.

Early options are different from the need to control the bootloader
part of xen.efi.

Jan


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