linux-kernel - Re: 3.12 to 3.13 boot regression bisected

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Message-ID: <20140805091848.GN15082@console-pimps.org>
Date:	Tue, 5 Aug 2014 10:18:48 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Bruno Prémont <bonbons@...ux-vserver.org>
Cc:	P J P <ppandit@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org
Subject: Re: 3.12 to 3.13 boot regression bisected - still applies to 3.16

On Tue, 05 Aug, at 11:13:30AM, Bruno Prémont wrote:
> 
> I get at least to just before
>   status = efi_call_early(exit_boot_services, handle, key);
> in eboot.c on line 1310. A efi_printk inserted there is displayed.

This is worth pointing out in case you're unaware, but do you know that
it's not valid to call efi_printk() after ExitBootServices()? Doing so
will almost certainly cause your machine to fault.

-- 
Matt Fleming, Intel Open Source Technology Center
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