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From: Matthew Garrett <mjg59@srcf.ucam.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Li, Aubrey" <aubrey.li@linux.intel.com>,
	"H. Peter Anvin" <hpa@linux.intel.com>,
	"alan@linux.intel.com" <alan@linux.intel.com>,
	linux-kernel@vger.kernel.org, Len.Brown@intel.com,
	Adam Williamson <awilliam@redhat.com>
Subject: Re: [patch] x86: Introduce BOOT_EFI and BOOT_CF9 into the reboot sequence loop
Date: Sun, 2 Mar 2014 02:23:34 +0000	[thread overview]
Message-ID: <20140302022334.GA1131@srcf.ucam.org> (raw)
In-Reply-To: <53129256.6060704@zytor.com>

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.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

  parent reply	other threads:[~2014-03-02  2:23 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-28  4:11 [patch] x86: Introduce BOOT_EFI and BOOT_CF9 into the reboot sequence loop Li, Aubrey
2014-02-28  4:56 ` Matthew Garrett
2014-02-28  5:22   ` Li, Aubrey
2014-02-28  5:56     ` Matthew Garrett
2014-02-28  6:07       ` Li, Aubrey
2014-02-28  6:12         ` Matthew Garrett
2014-02-28  6:20           ` Li, Aubrey
2014-02-28  6:23             ` Matthew Garrett
2014-02-28  6:39               ` Li, Aubrey
2014-02-28  6:44                 ` Matthew Garrett
2014-02-28  6:54                   ` Li, Aubrey
2014-02-28 17:47                     ` H. Peter Anvin
2014-02-28 22:11                       ` Li, Aubrey
2014-02-28 22:16                         ` Adam Williamson
2014-03-01 17:10                         ` Li, Aubrey
2014-03-01 17:22                           ` Matthew Garrett
2014-03-01 17:31                             ` Li, Aubrey
2014-03-01 18:19                               ` Matthew Garrett
2014-03-01 19:01                                 ` Matthew Garrett
2014-03-02  0:15                                   ` Li, Aubrey
2014-03-01 20:06                             ` H. Peter Anvin
2014-03-01 20:21                               ` Matthew Garrett
2014-03-01 20:26                                 ` H. Peter Anvin
2014-03-02  0:26                                   ` Li, Aubrey
2014-03-02  0:33                                     ` H. Peter Anvin
2014-03-02  1:47                                       ` Li, Aubrey
2014-03-02  2:07                                         ` H. Peter Anvin
2014-03-02  2:20                                           ` Li, Aubrey
2014-03-02  2:23                                           ` Matthew Garrett [this message]
2014-03-02  2:35                                             ` H. Peter Anvin
2014-03-02 10:39                                               ` Li, Aubrey
2014-03-02 16:52                                                 ` H. Peter Anvin
2014-03-02 22:13                                                   ` Li, Aubrey
2014-03-02 22:26                                                     ` Matthew Garrett
2014-03-02 22:45                                                       ` Li, Aubrey
2014-03-02 23:11                                                         ` Matthew Garrett
2014-03-02 23:23                                                           ` Li, Aubrey
2014-03-03  0:07                                                             ` Matthew Garrett
2014-03-03  0:18                                                               ` H. Peter Anvin
2014-03-03  1:36                                                                 ` Li, Aubrey
2014-03-03  1:47                                                                   ` H. Peter Anvin
2014-03-03  1:49                                                                     ` Li, Aubrey
2014-03-03 22:11                                                                       ` Li, Aubrey
2014-03-02 23:57                                                     ` H. Peter Anvin
2014-03-05 23:39                                                 ` [tip:x86/reboot] x86, reboot: Add EFI and CF9 reboot methods into the default list tip-bot for Li, Aubrey
2014-03-05 23:45                                                 ` [tip:x86/reboot] x86, reboot: Only use CF9_COND automatically, not CF9 tip-bot for H. Peter Anvin

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