From: "H. Peter Anvin" <hpa@zytor.com>
To: Daniel J Blueman <daniel.blueman@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: Add Dell E5420 reboot quirk
Date: Mon, 30 May 2011 10:02:55 -0700 [thread overview]
Message-ID: <4DE3CDBF.8000108@zytor.com> (raw)
In-Reply-To: <BANLkTinnEPKC+Nb7zK_PswU+M=sNPxWCig@mail.gmail.com>
On 05/30/2011 09:52 AM, Daniel J Blueman wrote:
> On 31 May 2011 00:31, H. Peter Anvin <hpa@zytor.com> wrote:
>> On 05/30/2011 07:43 AM, Daniel J Blueman wrote:
>>>
>>> Without this patch, rebooting is like Russian roulette; with quite a
>>> few of these laptops in the field, perhaps it is better to enable the
>>> quirk unless you think there may be an issue in the kernel preventing
>>> correct behaviour that I could debug?
>>>
>>> On the other hand, Dell may later fix the BIOS AML (seen with the
>>> excellent fwts) just as the cure for cancer is found. If they do, I'll
>>> buy whiskey too.
>
>> Enabling the quirk is the right thing; however, if ACPI worked I'd have
>> preferred it since we just switched to ACPI as the default.
>
> Indeed - the new and default ACPI reboot method works perfectly in
> 3.0-rc1, whereas with 2.6.39, it didn't, so no further need for this
> patch then.
Oh, okay. Dropping the patch, then.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2011-05-30 17:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-13 1:04 [PATCH] x86: Add Dell E5420 reboot quirk Daniel J Blueman
[not found] ` <69e8f8a9-4e8b-4c02-b566-304ff837d166@email.android.com>
2011-05-13 3:16 ` Daniel J Blueman
2011-05-30 14:43 ` Daniel J Blueman
2011-05-30 16:31 ` H. Peter Anvin
2011-05-30 16:52 ` Daniel J Blueman
2011-05-30 17:02 ` H. Peter Anvin [this message]
2011-05-31 16:42 ` Matthew Garrett
2011-07-01 16:05 ` Daniel J Blueman
2011-07-21 18:33 ` [tip:x86/urgent] x86: Make Dell Latitude E5420 use reboot=pci tip-bot for Daniel J Blueman
2011-07-21 18:48 ` tip-bot for Daniel J Blueman
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