linux-kernel - [FIXED] EEE PC hangs when booting off battery

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Message-ID: <49E5F01B.2060201@tuffmail.co.uk>
Date:	Wed, 15 Apr 2009 15:32:59 +0100
From:	Alan Jenkins <alan-jenkins@...fmail.co.uk>
To:	Bjorn Helgaas <bjorn.helgaas@...com>
CC:	Arjan van de Ven <arjan@...radead.org>, linux-acpi@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>
Subject: [FIXED] EEE PC hangs when booting off battery

Bjorn Helgaas wrote:
> On Tuesday 14 April 2009 09:17:28 am Arjan van de Ven wrote:
>   
>> On Tue, 14 Apr 2009 08:59:01 -0600
>> Bjorn Helgaas <bjorn.helgaas@...com> wrote:
>>
>>     
>>> I can't help with the real problem of why the asynchronous battery
>>> init causes the hang.
>>>       
>> that got fixed already for the module case.
>>     
>
> But apparently still broken for the builtin case?  I think Alan is
> running pretty new bits -- he said "latest git" on April 11.
>   

It's now fixed, in 2.6.30-rc2.  My battery is modular btw.  I suspect

5d38258ec026921a7b266f4047ebeaa75db358e5 "ACPI battery: fix async boot
oops" [removal of __init]

was not sufficient to fix my problem, but it was solved by the "real" fix,

d6de2c80e9d758d2e36c21699117db6178c0f517 "async: Fix module loading
async-work regression" [module loading waits on async work]


I would argue there's still a question over why the asynchronous battery
init (_with_ the oops fix) should cause a hang in the idle routine.  But
since the regression is fixed, it's not exactly an urgent question.

Thanks
Alan
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