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Old 3rd October 2011, 05:53 PM
JixOME Offline
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Join Date: Jan 2011
Location: Sudan
Posts: 1
Dell N5110 touchpad recognized as generic

Hello all,
I have a Dell Inspiron N5110 i5 and using Fedora 15 as OS.
I'm facing a problem I could not fix after 10 days of searching "Google-ing" and I've re-installed fedora 3 times up to now, I'm using GNOME and this is my Fedora uname :

PHP Code:
[root@khalid ~]# uname -a
Linux khalid.localdomain #1 SMP Mon May 9 20:36:50 UTC 2011 i686 i686 i386 GNU/Linux 
My problem is that my kernel recognizes my touchpad as a generic mouse :

the output of :

PHP Code:
dmesg|grep pad 
is nothing, while the output from

PHP Code:
dmesg|grep PS 
PHP Code:
[    2.341809mousedevPS/2 mouse device common for all mice
[    3.073310inputPS/2 Generic Mouse as /devices/platform/i8042/serio1/input 
and I got this running

PHP Code:
xinput list 
PHP Code:
[root@khalid ~]# xinput list
⎡ Virtual core pointer                        id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                  id=4    [slave  pointer  (2)]
⎜   ↳ PS/2 Generic Mouse                          id=13    [slave  pointer  (2)]
⎣ Virtual core keyboard                       id=3    [master keyboard (2)]
↳ Virtual core XTEST keyboard                 id=5    [slave  keyboard (3)]
↳ Power Button                                id=6    [slave  keyboard (3)]
↳ Video Bus                                   id=7    [slave  keyboard (3)]
↳ Video Bus                                   id=8    [slave  keyboard (3)]
↳ Power Button                                id=9    [slave  keyboard (3)]
↳ Sleep Button                                id=10    [slave  keyboard (3)]
↳ Laptop_Integrated_Webcam_HD                 id=11    [slave  keyboard (3)]
↳ AT Translated Set 2 keyboard                id=12    [slave  keyboard (3)]
↳ Dell WMI hotkeys                            id=14    [slave  keyboard (3)] 
please help me I'm really frustrated.

Last edited by JixOME; 3rd October 2011 at 06:01 PM.
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Old 16th February 2012, 07:24 PM
sashkosnail Offline
Registered User
Join Date: Feb 2012
Location: Canada
Posts: 1
Re: Dell N5110 touchpad recognized as generic

Same issue here on the same laptop: Dell's N5110. The touchpad is an ALPS and I know there have been patches posted in later kernels to address the issue (mostly for Debian likes), but on my Fedora 16:
$ uname -a
Linux ss-dell 3.2.5-3.fc16.x86_64 #1 SMP Thu Feb 9 01:24:38 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
the issue is still very present.
I recompiled the kernel with full debug support and modularized i8042, psmouse, etc to see what the initialization is up to, but that lead to a dead end. The device is picked up directly by i8042 and assigned as a PS/2 mouse without ever calling the ALPS driver (i checked the IDs, and my touchpad is indeed in the list in alps.c) If i disable the auxiliary port polling on the i8042 (options i8042 noaux=1) then the touchpad is never initialized as expected.

If anyone has any clues it will be appriciated.
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Old 29th September 2013, 11:07 PM
KKJensen's Avatar
KKJensen Offline
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Join Date: Sep 2006
Posts: 242
Re: Dell N5110 touchpad recognized as generic

I've acquired a used N5110 hoping to get fedora going but haven't had a chance yet.

Does F19 or later kernels solve the touchpad issue?


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