From: "Henrik Rydberg" <rydberg@euromail.se>
Date: Wed, 6 Mar 2013 09:06:42 +0100
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "H. Peter Anvin" <hpa@linux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 3.9-rc1
Message-ID: <20130306080642.GA535@polaris.bitmath.org>
References: <CA+55aFx0HcOXKpxmZzM5jcbAaOroxafomX5ggMFV4A=py1qh-Q@mail.gmail.com>
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Hi Linus, Peter,

> I don't know if it's just me, but this merge window had more "Uhhuh"
> moments than I'm used to. I stopped merging a couple of times, because
> we had bugs that looked really scary, but thankfully each time people
> were on them like paparazzi on Justin Bieber. Special thanks to Peter,
> Ted and Rafael (and the people who reported the bugs too!) for being
> so responsive. It could have been so much worse.

Or not. ;-) This commit breaks boot on my MacBookAir3,1:

commit 8d57470d8f859635deffe3919d7d4867b488b85a
Author: Yinghai Lu <yinghai@kernel.org>
Date:   Fri Nov 16 19:38:58 2012 -0800

    x86, mm: setup page table in top-down
    
    Get pgt_buf early from BRK, and use it to map PMD_SIZE from top at first.
    Then use mapped pages to map more ranges below, and keep looping until
    all pages get mapped.

Being a 64-bit apple-EFI machine, it probably runs through an obscure
path in this patch. I wish I had more vital information, but I get the
white screen of death, so not much to go on so far.

Henrik
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