Re: [bisected, regression] 3.17-rc2 kernel doesn't load initramfs with EFI stub boot

[Calvin Walton <calvin.walton-08yNtVAFnCuw5LPnMra/2Q@public.gmane.org>]

On Mon, 2014-09-01 at 19:42 +0100, Matt Fleming wrote:
> On Wed, 27 Aug, at 12:02:37PM, Calvin Walton wrote:
> >  Hi all,
> > 
> >  When I tried booting the 3.17-rc2 kernel on my Lenovo ThinkPad 
> > T440p
> >  (16gb ram) via Gummiboot/EFI stub, it failed with an error saying 
> > that
> >  it could not mount root. A little investigation revealed that the
> >  initramfs did not load, so mounting by filesystem UUID failed.
> >  I've bisected the change, and it has led me to:
> > 
> >  4bf7111f50167133a71c23530ca852a41355e739 is the first bad commit
> >  commit 4bf7111f50167133a71c23530ca852a41355e739
> >  Author: Yinghai Lu <yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
> >  Date:   Sat Jun 14 12:23:41 2014 -0700
> > 
> >      x86/efi: Support initrd loaded above 4G
> 
> Thanks for reporting this. Could you try the below commit and see
> whether it fixes things for you?
> 
>   http://article.gmane.org/gmane.linux.kernel.efi/4524

With Yinghai Lu's patch from the linked message, my ThinkPad is now 
booting correctly. (Admittedly using a rather "small" 7MB intramfs - I 
don't have any >2GB ones handy).

Feel free to take a
Tested-by: Calvin Walton <calvin.walton-08yNtVAFnCuw5LPnMra/2Q@public.gmane.org>

Thanks!


-- 
Calvin Walton <calvin.walton-08yNtVAFnCuw5LPnMra/2Q@public.gmane.org>