Touchscreen stops working after upgrading to Utopic HWE stack

Bug #1430622 reported by Jared Dominguez on 2015-03-11
12
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Dell Sputnik
Undecided
Unassigned
linux (Ubuntu)
Low
Unassigned

Bug Description

The system is a Dell Precision M3800 Developer Edition, i.e. it has Ubuntu 14.04 factory installed. If I upgrade the kernel and Xorg to the Utopic HWE versions, the touchscreen doesn't work. *However*, if I suspend and resume, the touchscreen starts working again.

I noticed the touchscreen not working with just upgrading the kernel though didn't think of suspending/resuming to see if it came back. However, I do know that the touchscreen stops working when upgrading the kernel (3.13->3.16).

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-31-generic 3.16.0-31.41~14.04.1
ProcVersionSignature: Ubuntu 3.16.0-31.41~14.04.1-generic 3.16.7-ckt5
Uname: Linux 3.16.0-31-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Mar 10 22:51:15 2015
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-trusty-amd64-20140620-0
InstallationDate: Installed on 2015-02-12 (26 days ago)
InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20140620-04:25
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)

summary: - Touchscreen stops working after upgrading Utopic HWE stack
+ Touchscreen stops working after upgrading to Utopic HWE stack

Awesome, I see that installing the HWE Xorg also removes gnome-control-center. (and downgrades the nvidia driver from 340 to 331).

Jared Dominguez, thank you for reporting this and helping make Ubuntu better.

Please execute the following command only once, as it will automatically gather debugging information, in a terminal:
apport-collect 1430622

affects: linux-lts-utopic (Ubuntu) → linux (Ubuntu)
Changed in linux (Ubuntu):
importance: Undecided → Low
status: New → Incomplete
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