linux-kernel - Re: Turning off camera also kills card reader on EeePC 900 (USB regression?)

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Message-ID: <48DC774C.3070800@yahoo.com>
Date:	Fri, 26 Sep 2008 06:46:52 +0100
From:	Sitsofe Wheeler <sitsofe@...oo.com>
To:	Alan Jenkins 
	<public-alan-jenkins-cCz0Lq7MMjm9FHfhHBbuYA@...h.gmane.org>
CC:	Pascal Terjan 
	<public-pterjan-Re5JQEeQqe8AvxtiuMwx3w@...h.gmane.org>,
	public-acpi4asus-user-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@...h.gmane.org,
	Sitsofe Wheeler 
	<public-sitsofe-/E1597aS9LQAvxtiuMwx3w@...h.gmane.org>,
	linux-kernel 
	<public-linux-kernel-u79uwXL29TY76Z2rM5mHXA@...h.gmane.org>
Subject: Re: Turning off camera also kills card reader on  EeePC 900 (USB
 regression?)



Alan Jenkins wrote:
> Pascal Terjan wrote:
>> On Mon, Sep 15, 2008 at 3:37 PM, Alan Jenkins
>> <alan-jenkins-cCz0Lq7MMjm9FHfhHBbuYA@...lic.gmane.org> 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...

Er turns out I might be mistaken wrt to 2.6.21. I do have a 2.6.21 
kernel but it turned out I don't have an eeepc/asus-acpi module. As I'm 
going away for the next few days I won't have an opportunity to test 
this soon.

The problem also seems to have vanished in Ingo's linux-tip ...

-- 
Sitsofe | http://sucs.org/~sits/

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