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#1 2009-01-17 19:19:01

Tommi
Member
Registered: 2008-07-24
Posts: 5

kernel26 2.6.28-3: Keyboard and touchpad (elantech) broken

Hi,

after upgrading to the new kernel, my Elantech touchpad doesn't work anymore. I guess that is the same problem like here
http://bbs.archlinux.org/viewtopic.php?id=63150

The other problem is much worse:
The keyboard stops working after some minutes. I couldn't figure out a pattern, sometimes it fails after logging in, sometimes it works for 30 minutes. It always failed some minutes after starting the X-Server. I log in on tty1 and start x manually, but as I said, the keyboard sometimes stops working even before starting X, so it can't have to do anything with xorg.

Searching through all the logfiles, I couldn't find anything interesting concerning the keyboard.

Meanwhile I downgraded to 2.6.27.9-1 and everything's fine again.
Has anyone similar problems?

[edit]
I'm running Arch i686 on an Acer Aspire 5502 WXMi
[edit2]
Unlike all the Eeepcs, i have an old "hardware version 1" touchpad.

Last edited by Tommi (2009-01-21 20:27:28)

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#2 2009-01-18 00:50:20

Wittfella
Member
From: Australia
Registered: 2008-05-27
Posts: 462

Re: kernel26 2.6.28-3: Keyboard and touchpad (elantech) broken

G'Day,I just posted in another thread which may be the same problem

http://bbs.archlinux.org/viewtopic.php? … 34#p482234

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#3 2009-01-21 13:59:32

Tommi
Member
Registered: 2008-07-24
Posts: 5

Re: kernel26 2.6.28-3: Keyboard and touchpad (elantech) broken

Ok, getting closer now...
It looks like the problems with the touchpad are related to my keyboard problems.
My keyboard stops working when I tap on the pad or press any button on it. It starts working again after doing this two more times...
Now I'll try to get the touchpad working, I hope that solves the problem.

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#4 2009-01-21 20:13:23

Tommi
Member
Registered: 2008-07-24
Posts: 5

Re: kernel26 2.6.28-3: Keyboard and touchpad (elantech) broken

It looks like the problem is caused by the psmouse-module. I found a workaround to restore (more or less) the behavior of 2.6.27:

Adding the following line to /etc/modprobe.conf

options psmouse proto=exps

and rebooting or doing "modprobe -r psmouse" and "modprobe psmouse" makes the kernel recognize the touchpad as a normal mouse (with working vertical-scrolling and multi-finger-taps, just as before). Then I get

[thomas@tommi ~]$ cat /proc/bus/input/devices 
...

I: Bus=0011 Vendor=0002 Product=0005 Version=0000
N: Name="ImPS/2 Generic Wheel Mouse"
P: Phys=isa0060/serio4/input0
S: Sysfs=/class/input/input11
U: Uniq=
H: Handlers=mouse2 event8 
B: EV=7
B: KEY=70000 0 0 0 0 0 0 0 0
B: REL=103

instead of

[thomas@tommi ~]$ cat /proc/bus/input/devices 
...

I: Bus=0011 Vendor=0002 Product=000e Version=0000
N: Name="ETPS/2 Elantech Touchpad"
P: Phys=isa0060/serio4/input0
S: Sysfs=/class/input/input15
U: Uniq=
H: Handlers=mouse2 event8 
B: EV=f
B: KEY=6420 0 70000 0 0 0 0 0 0 0 0
B: REL=3
B: ABS=3

After that, on my external USB-mouse the wheel wasn't working, but after removing all mouse-entries from xorg.conf and using input-hotplugging it works for the moment.

Last edited by Tommi (2009-01-21 20:17:59)

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#5 2009-03-31 23:38:41

kperkins
Member
Registered: 2009-03-31
Posts: 11

Re: kernel26 2.6.28-3: Keyboard and touchpad (elantech) broken

Thanks for this.  New to arch, and the touchpad was my biggest problem so far.

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