linux-kernel - Re: Linux 3.9-rc1

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Date:	Wed, 6 Mar 2013 12:00:27 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Henrik Rydberg <rydberg@...omail.se>
Cc:	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 3.9-rc1

On Wed, Mar 6, 2013 at 11:54 AM, Henrik Rydberg <rydberg@...omail.se> wrote:
>> >> Can you check bootloader like grub.efi ?
>> >
>> > I checked, same story. I tried without EFI_STUB, no joy. I ran with
>> > and without nouveau, just in case. Without the patch, everything
>> > works. With the patch, nothing works, and no output at all.
>> >
>> > With a bit of luck, I could maybe get the first lines of output using
>> > grub.efi, but frankly I cannot remember if that ever worked on this
>> > machine.

Found one bug about real_end calculating, it should be PMD_SIZE align.
Otherwise in extreme case we could have less then 2M for the first step.
In your case is about only (1M - 32k) for first step.

Please try attached patch.

Thanks

Yinghai

Download attachment "fix_real_end.patch" of type "application/octet-stream" (461 bytes)