linux-kernel - Re: [patch] x86: Introduce BOOT_EFI and BOOT

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Message-ID: <c4f4929e-6bab-45b9-ac6b-cbdea5fd57e8@email.android.com>
Date:	Sat, 01 Mar 2014 18:35:18 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
CC:	"Li, Aubrey" <aubrey.li@...ux.intel.com>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	"alan@...ux.intel.com" <alan@...ux.intel.com>,
	linux-kernel@...r.kernel.org, Len.Brown@...el.com,
	Adam Williamson <awilliam@...hat.com>
Subject: Re: [patch] x86: Introduce BOOT_EFI and BOOT_CF9 into the reboot sequence loop

Of course.  It is primarily a testing problem - we just don't have a compatibility lab to test a bunch of strange hardware.

On March 1, 2014 6:23:34 PM PST, Matthew Garrett <mjg59@...f.ucam.org> wrote:
>On Sat, Mar 01, 2014 at 06:07:18PM -0800, H. Peter Anvin wrote:
>
>> We obviously have been over this a number of times, and the sad thing
>is
>> that we have very limited information.  It is more complex than that,
>> even... I believe in some cases KBD works but it is slow, and so
>takes a
>> while.
>
>And we still have the problem that the keyboard controller sometimes 
>triggers SMM and that then hangs when it hits a piece of hardware in a 
>state it doesn't expect. Sometimes reboot=b or reboot=p is just working
>
>around some assumptions that we could fix more convincingly.

-- 
Sent from my mobile phone.  Please pardon brevity and lack of formatting.
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