[Acer TravelMate P253] Ubuntu 14.04 touchpad scroller not functional

[Adalberto]

Hi,
on my new Acer TravelMate P253 notebook with Ubuntu 14.04 desktop, the touchpad is working OK for normal operations (moving and tapping), but it never scrolls when I slide vertically on its right side (where two arrows clearly show that it should scroll there).
Thank you for any suggestion.
Adalberto
---
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: adaca 2036 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=2cb12901-c875-489b-9b65-2faa464d351b
InstallationDate: Installed on 2014-06-15 (1 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Acer TravelMate P253
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-29-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-29-generic N/A
 linux-backports-modules-3.13.0-29-generic N/A
 linux-firmware 1.127.2
Tags: trusty
Uname: Linux 3.13.0-29-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 12/16/2013
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V2.21
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: BA51_HC_CR
dmi.board.vendor: Acer
dmi.board.version: Type2 - Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Insyde Corp.
dmi.chassis.version: V2.21
dmi.modalias: dmi:bvnInsydeCorp.:bvrV2.21:bd12/16/2013:svnAcer:pnTravelMateP253:pvrV2.21:rvnAcer:rnBA51_HC_CR:rvrType2-BoardVersion:cvnInsydeCorp.:ct10:cvrV2.21:
dmi.product.name: TravelMate P253
dmi.product.version: V2.21
dmi.sys.vendor: Acer

[Brad Figg (brad-figg)]

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1330637

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Adalberto (adaca)]

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[Joseph Salisbury (jsalisbury)]

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.15 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-utopic/

[Adalberto (adaca)]

Hi Joseph,
sorry but the upstream 3.15.0 kernel did not fix this issue: the touchpad scroller still doesn't work anyway.
I should now add the tag "kernel-bug-exists-upstream" as per your instructions, but I don't actually know how... sorry!
Adalberto

[penalvch (penalvch)]

Adalberto, could you please test the latest mainline kernel via http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.16-rc1-utopic/ and advise to the results?

[Adalberto (adaca)]

Hi Christopher,
the 3.16rc1 kernel fixed the issue! Now the touchpad scroller works fine, it just is inverse: going UP with my finger causes the screen to scroll DOWN, like the behaviour you get on touchscreens, so maybe it's intentional indeed...
So thank you a lot!
If someone please explains me how to close a bug, I'll be glad to close it myself!
Adalberto

[penalvch (penalvch)]

Adalberto, the next step is to fully reverse commit bisect the kernel in order to identify the fix commit. Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F ?

[Adalberto (adaca)]

Hi Christopher,
sorry but doing bisection I found this is not a bug, but rather some misconfiguration with the default ubuntu desktop system settings whose I fixed with some random modification of the flags in the "Mouse and Touchpad" system settings applet.
My other bug (https://bugs.launchpad.net/bugs/1330640) is instead a real bug, so I'm now carrying on kernel bisection for it.
Please do follow my other bug (https://bugs.launchpad.net/bugs/1330640) and again excuse me for causing troubles here.
Please close this bug, or I'll just convert it to a question...
Adalberto

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]

[penalvch (penalvch)]

Adalberto, this bug report is being closed due to your last comment https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1330637/comments/23 regarding this being fixed with a configuration change. For future reference you can manage the status of your own bugs by clicking on the current status in the yellow line and then choosing a new status in the revealed drop down box. You can learn more about bug statuses at https://wiki.ubuntu.com/Bugs/Status. Thank you again for taking the time to report this bug and helping to make Ubuntu better. Please submit any future bugs you may find.