linux-kernel - Re: Turning off camera also kills card reader on EeePC 900

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Message-ID: <48DC00C9.9070106@tuffmail.co.uk>
Date:	Thu, 25 Sep 2008 21:21:13 +0000
From:	Alan Jenkins <alan-jenkins@...fmail.co.uk>
To:	Pascal Terjan <pterjan@...il.com>
CC:	Sitsofe Wheeler <sitsofe@...oo.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Corentin Chary <corentincj@...aif.net>,
	acpi4asus-user@...ts.sourceforge.net
Subject: Re: Turning off camera also kills card reader on EeePC 900

Pascal Terjan wrote:
> On Mon, Sep 15, 2008 at 3:37 PM, Alan Jenkins
> <alan-jenkins@...fmail.co.uk> wrote:
>   
>> Sitsofe Wheeler wrote:
>> The "HC died" message is interesting.  Sounds like the controller for
>> these two USB devices stops working.  Maybe try unloading and reloading
>> the ehci module?  I don't think I can help any more though.
>>     
>
> The issue also exist on 701 on 2.6.27-rc7 so the regression is in the
> kernel not in the hardware
>   
On the bright side, that means more people should have the hardware to 
test it on (including me :-).

I've certainly used the camera enable/disable at some point.  But I 
could have missed the error message, and frankly I don't use the camera 
or cardreader very often.  I'll have a bash at it tomorrow.

Sitsofe says it reproduced on kernel.org 2.6.21 (presumably with an 
out-of-tree eeepc module).  So I guess this isn't a simple git-bisect 
job - more thinking required...

Thanks
Alan
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