From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hans de Goede <hdegoede@redhat.com>
Subject: Re: Aorus X3+ touchpad not working
Date: Sat, 08 Nov 2014 11:12:34 +0100
Message-ID: <545DEC92.10903@redhat.com>
References: <CAJdy7pJpbyYHuOg3AWnDJap=T9z0bUCZkM+DRuuTLUFj129H_w@mail.gmail.com> <CAN+gG=F7d+37kKF=s-_jLVd+=oqCjaNNQW084eKnYBREEZF14w@mail.gmail.com> <545B7C0D.8020401@redhat.com> <CAJdy7pL0NMYKtUA5JpxZ8M9kJwfZffaZ1gh-PyC9OY6dRf8Kvw@mail.gmail.com> <545B8B04.8070706@redhat.com> <20141108084125.GF21475@dtor-ws>
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To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Maximilien Levesque <maximilien.levesque@gmail.com>, Benjamin Tissoires <benjamin.tissoires@gmail.com>, linux-input <linux-input@vger.kernel.org>

Hi,

On 11/08/2014 09:41 AM, Dmitry Torokhov wrote:
> On Thu, Nov 06, 2014 at 03:51:48PM +0100, Hans de Goede wrote:
>> Hi,
>>
>> On 11/06/2014 03:13 PM, Maximilien Levesque wrote:
>>> Hi,
>>> Thanks for your time!
>>> Below is the output of dmesg with kernel boot parameter i8042.debug=1
>>> All the best,
>>
>> Thanks, I'm afraid reading raw i8042 is not my forte though, Dmitry, can
>> you take a look, and do you see why no ps/2 mouse (or touchpad) is seen ?
> 
> ...
> 
>>> [    1.901600] input: AT Translated Set 2 keyboard as
>>> /devices/platform/i8042/serio0/input/input4
>>> [    1.901749] i8042: [3] d4 -> i8042 (command)
>>> [    1.901809] i8042: [3] f2 -> i8042 (parameter)
> 
> ...
> No ACK to GET_ID
> 
>>> [    2.101556] i8042: [53] d4 -> i8042 (command)
>>> [    2.101622] i8042: [53] ed -> i8042 (parameter)
> 
> Trying LEDs - no response - not a keyboard, atkbd signs out
> 
>>> [    2.165646] usb 1-2: new low-speed USB device number 2 using xhci_hcd
>>> [    2.185660] usb 3-1: new high-speed USB device number 2 using ehci-pci
>>> [    2.205674] usb 4-1: new high-speed USB device number 2 using ehci-pci
>>> [    2.301725] i8042: [103] 60 -> i8042 (command)
>>> [    2.301796] i8042: [103] 45 -> i8042 (parameter)
> 
> Close AUX port
> 
>>> [    2.301911] i8042: [103] 60 -> i8042 (command)
>>> [    2.302025] i8042: [103] 47 -> i8042 (parameter)
> 
> Enables AUX port again (to clear state - needed on some boxes)
> 
>>> [    2.302094] i8042: [103] d4 -> i8042 (command)
>>> [    2.302212] i8042: [103] f2 -> i8042 (parameter)
> 
> psmouse - GET_ID - silence. So we decide there is no mouse.

Dmitry, thanks for the analysis.

So if I understand things correctly, then the aux port also gets
probed for it having a second keyboard attached ? I did not know
that, could it be that this confuses the touchpad?

> Have we tried i8042.reset?

No not yet. Maximilien, can you try booting with
i8042.reset=1 on the kernel commandline ?

Regards,

Hans