Re: Fwd: Acer Aspire 5733 - acer_wmi problems

[Sebastian Riemer <sebastian.riemer@profitbricks.com>]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset=windows-1252, Size: 4823 bytes --]

On 26.11.2012 19:28, joeyli wrote:
> Hi Justin, 
>
> OK, looks not just one problem on you machine. Let's clarify one by one:
>  
> + For the Fn key you said: 
>    <fn>+<brightness/volume/suspend/etc.> key combos not working 
>    
>    That a bit strange for at least the volume control (normally on Acer
> machine are Fn+up/down) should work because it direct send out useful
> scan code. 
>
>    Please help to capture the scan code by showkey:
> 	- Add atkbd.softraw=0 kernel parameter and reboot system.
> 	- Switch to console and login with root account, then run:
> 		# showkey -s
>    	 press Fn key and monitor the showkey output.
>
>
> + For we want to make sure acer-wmi causes any problem:
>    Please add acer-wmi to the blacklist of modprobe
> (e.g. /etc/modprobe.d/blacklist), then try to reproduce all issues on
> your machine. (Fn key, AC power...)
>
>
> + For brightness control:
>   Please check does there have /sys/class/backlight/acpi_video0 folder
> on your machine. If you found it, please try to change the backlight by:
> 	# echo 3 > /sys/class/backlight/acpi_video0/brightness
>
>   If you didn't see acpi_video0, please try 'acpi_backlight=vendor'
> kernel parameter. Then /sys/class/backlight/intel_backlight should show
> up on your machine if it used Intel graphics Adapter.
>
>
> + For the AC power problem:
> 	Per your DSDT, the EC _Q37 is mapping to AC unplug and _Q38 is AC plug.
> In _Q37 and _Q38, they notify AC, Battery and Processor acpi devices,
> but I didn't see it changed backlight. Did you set S3 suspend when lid
> close?

Interesting, there are similar issues with latest Samsung laptops and
the EC of the Intel HM76 chip-set:

https://bugzilla.kernel.org/show_bug.cgi?id=45461
https://bugzilla.kernel.org/show_bug.cgi?id=44161


> Thanks a lot!
> Joey Lee
>
> 於 日，2012-11-25 於 17:05 -0800，Justin Chudgar 提到：
>> The acpidump tarball isattached.What I meant by unplugged/plugged was this:
>> 1 - the laptop is plugged into AC power
>> 2 - the laptop is left with the lid closed, unused for longer than
>> ~15-30 minutes.
>> 3 - the laptop's power adapter is unplugged from the AC outlet for
>> ~30-60 seconds.
>> 4 - the laptop's power adapter is plugged into another AC outlet
>> *Problem*
>> - After the above sequence, the laptop screen will not work. This means
>> that the backlight is off and the screen is blank. The laptop does not
>> respond to any user input, via trackpad, normal keyboard keys,
>> <fn>+<SPECIAL> keys that I assume are handled by acer_wmi. It does work
>> perfectly fine when accessed via ssh, though even restarting kdm via ssh
>> fails to reactivate the screen. The only way to recover the screen is to
>> reboot.
>> *Other Problems*
>> - Multimedia keys do not work.
>>
>> Justin Chudgar  |  Weed, CA 96094  |  530 921 0738 | http://www.justinzane.com/
>>
>> On 11/24/2012 10:41 PM, joeyli wrote:
>>> Hi Justin, 
>>>
>>> 於 六，2012-11-24 於 12:33 -0800，Justin Chudgar 提到：
>>>> This is what I am having problems with. Thanks for the quick reply.
>>>>
>>>> Justin Chudgar  |  Weed, CA 96094  |  530 921 0738 |
>>>> http://www.justinzane.com/
>>>>
>>>>
>>>>
>>>> -------- Original Message --------
>>>> Subject:        Acer Aspire 5733 - acer_wmi problems
>>>> Date:   Fri, 23 Nov 2012 11:47:02 -0800
>>>> From:   Justin Chudgar <justin@justinzane.com>
>>>> To:     platform-driver-x86@vger.kernel.org
>>>>
>>>>
>>>>
>>>> I have an Acer Aspire 5733 that is having issues with:
>>>> - <fn>+<brightness/volume/suspend/etc.> key combos not working
>>> Please provide acpidump from your Aspire 5733. Run the following command
>>> by root:
>>>  # acpidump > acpidump.dat
>>>
>>> Please send acpidump.dat to me.
>>>
>>>> - screen not resuming when unplugging/replugging a system while system
>>>> continues operating
>>> I am not fully understand what means 'unplugging/replugging'? 
>>>
>>>> Could someone please help me determine how to triage these and direct
>>>> me
>>>> on what info the maintainer needs from me.
>>>>
>>>> Thank you. 
>>> Thanks a lot!
>>> Joey Lee
>>>
>
> --
> To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html


-- 
Sebastian Riemer
Linux Kernel Developer - Storage

We are looking for (SENIOR) LINUX KERNEL DEVELOPERS!

ProfitBricks GmbH • Greifswalder Str. 207 • 10405 Berlin, Germany
www.profitbricks.com • sebastian.riemer@profitbricks.com
Tel.: +49 - 30 - 60 98 56 991 - 915

Sitz der Gesellschaft: Berlin
Registergericht: Amtsgericht Charlottenburg, HRB 125506 B
Geschäftsführer: Andreas Gauger, Achim Weiss