Re: [PATCH] x86: Add Dell E5420 reboot quirk

From: Daniel J Blueman
Date: Mon May 30 2011 - 12:52:21 EST


On 31 May 2011 00:31, H. Peter Anvin <hpa@xxxxxxxxx> 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.

Thanks again,
Daniel
--
Daniel J Blueman
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