linux-kernel - Re: Commit 722bc6b167 breaks booting on an 8TB system.

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Message-ID: <CAE9FiQWJR6x4_Xhc2k5TFkCj2u5cpbcWf-jFWOB5pEuBQcoJrQ@mail.gmail.com>
Date:	Sun, 3 Jun 2012 00:00:29 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Robin Holt <holt@....com>
Cc:	WANG Cong <xiyou.wangcong@...il.com>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: Commit 722bc6b167 breaks booting on an 8TB system.

On Fri, Jun 1, 2012 at 8:54 AM, Robin Holt <holt@....com> wrote:
> I just tried to boot an 8TB system.  It fails very early in boot with:
>
> Kernel panic - not syncing: Cannot find space for the kernel page tables
>
>
> A git bisect lead me to commit 722bc6b16771ed80871e1fd81c86d3627dda2ac8.
>
> A git revert of that commit based on Linus' current as of a few hours ago
> (commit fb21aff) does boot past that point on the 8TB configuration.

have some local patches. please check if they are helping...

Thanks

Yinghai

Download attachment "only_need_recalculate_for_low.patch" of type "application/octet-stream" (553 bytes)

Download attachment "get_page_size_mask.patch" of type "application/octet-stream" (4696 bytes)

Download attachment "mr_cal.patch" of type "application/octet-stream" (2139 bytes)