Re: Kernel options not passing in EFI image?

[Avi Deitcher]

The list was really big, so I put it in a gist:
https://gist.github.com/deitch/d5c52c29288864e5763c86c09ff7474f

I also sorted them and did a diff.



On Tue, May 24, 2016 at 10:43 AM, Avi Deitcher <address@hidden> wrote:

> OK, will do it right now.
>
> Interesting note: why does mkrescue have --prefix='()/boot/grub' as an
> option to mkimage? I get that rather than loading all of the modules into
> the grub binary, it puts them on the iso9660 filesystem and then accesses
> them that way, but what does '()' signify? That isn't any one known disk
> like (memdisk) or (cd0) or (hd0) etc.
>
> On Tue, May 24, 2016 at 10:40 AM, Andrei Borzenkov <address@hidden>
> wrote:
>
>> On Tue, May 24, 2016 at 10:12 AM, Avi Deitcher <address@hidden> wrote:
>> > Confirm that grub-mkrescue *does* pass the cmdline options along. Which
>> > almost definitely means my mkimage build is slightly (but critically)
>> > different than what mkrescue does.
>> >
>> > I ran mkrescue -v, the mkimage line was:
>> >
>> > grub-mkimage --directory '/usr/lib/grub/x86_64-efi' --prefix
>> '()/boot/grub'
>> > --output 'somefile.efi' --format 'x86_64-efi' --compression 'auto'
>> --config
>> > '/tmp/grub.9g6zmZ' 'part_msdos' 'fat' 'iso9660'
>> >
>> > Much simpler command line, yet it works?
>> >
>>
>> mkerscue makes *full* grub available in ISO, so everything that it
>> needs at boot time is autoloaded from image. Image itself only needs
>> just enough to access ISO after initial boot.
>>
>> It would be interesting to find out what is missing in your case. You
>> could start with booting rescue into CLI, issuing the same "linux" and
>> "initrd" commands and comparing the list of modules (lsmod). Use "set
>> pager=1" as module list is likely longer than normal screen.
>>
>
>
>
> --
> Avi Deitcher
> address@hidden
> Follow me http://twitter.com/avideitcher
> Read me http://blog.atomicinc.com
>



-- 
Avi Deitcher
address@hidden
Follow me http://twitter.com/avideitcher
Read me http://blog.atomicinc.com