** Description changed: + Touch screen and touchpad lost click function after quickly tapped dash - home repeatly by touch screen + home repeatly by touch screen, Installed 14.04, still have same issue. + + Quickly tapped dash home more than three times by touch screen.Found + touch screen and touchpad lost click function. + + Note: + 1.When this issue occured, cursor still can be moved by touch screen/touchpad. + 2.When this issue occured ,click/double click by touch screen/touchpad,left click/right click by touchpad all were not workable. + + Steps to Reproduce: + 1.install 12.04.4 image or 14.04 image, boot into Ubuntu OS. + 2.Quickly tapped dash home more than three times by touch screen. + 3.Found touch screen and touchpad lost click function. + + This bug is reported from private OEM project, also check + https://launchpad.net/bugs/1297067 + + ====== + + using xinput --query-state can actually see the button press event + + ⎡ Virtual core pointer id=2 [master pointer (3)] + ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] + ⎜ ↳ syntp id=6 [slave pointer (2)] + ⎜ ↳ ELAN Touchscreen id=11 [slave pointer (2)] + + #xinput --query-state 11 + 2 classes : + ButtonClass + button[1]=up + button[2]=up + button[3]=up + button[4]=up + button[5]=up + ValuatorClass Mode=Absolute Proximity=In + valuator[0]=398 + valuator[1]=1652 + valuator[2]=5 + valuator[3]=3 + valuator[4]=0 + valuator[5]=399 + valuator[6]=1653 + + #xinput --query-state 6 + 2 classes : + ButtonClass + button[1]=down + button[2]=up + button[3]=up + button[4]=up + button[5]=up + button[6]=up + button[7]=up + button[8]=up + ValuatorClass Mode=Relative Proximity=In + valuator[0]=1 + valuator[1]=394 + + touchpad's button and touchpanel's + valuator[2] and valuator[3] will changed after we press the button (or monitor) + + Also I found press "super" on keyboard will recover the + touchscreen/touchpad loss. + ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: unity 5.20.0-0ubuntu3 ProcVersionSignature: Ubuntu 3.11.0-18.32~precise1-generic 3.11.10.4 Uname: Linux 3.11.0-18-generic x86_64 ApportVersion: 2.0.1-0ubuntu17.6 Architecture: amd64 CompizPlugins: [core,commands,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell] Date: Mon Apr 21 16:50:04 2014 DistributionChannelDescriptor: - # This is a distribution channel descriptor - # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor - canonical-oem-stella-daan2-precise-amd64-20140416-1 + # This is a distribution channel descriptor + # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor + canonical-oem-stella-daan2-precise-amd64-20140416-1 InstallationMedia: Ubuntu 12.04 "Precise" - Failed to find casper uuid.conf in 'binary/casper/initrd.img-3.11.0-18-generic.old-dkms' LIVE Binary 20140416-06:52 MarkForUpload: True ProcEnviron: - LANGUAGE=en_US: - TERM=xterm - PATH=(custom, no user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + LANGUAGE=en_US: + TERM=xterm + PATH=(custom, no user) + LANG=en_US.UTF-8 + SHELL=/bin/bash SourcePackage: unity UpgradeStatus: No upgrade log present (probably fresh install)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310518 Title: Touch screen and touchpad lost click function after quickly tapped dash home repeatly by touch screen To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1310518/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs