Christopher, it did happen before Xenial, but I don't remember exactly what was the "cure". Meanwhile I'll try to blacklist ideapad_laptop module and let you know if anything happens
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1585094 Title: Random stuck keys on Lenovo Yoga 13 Status in xorg package in Ubuntu: Incomplete Bug description: pressing arrow keys leads randomly to the effect of stuck number key and produces output in consoles or text editors like: "2222222222" or "8888888888". Pressing some other key stops the infinite flooding. This may (or not) be related to the following flooding in /var/log/system May 24 10:01:30 yogi kernel: [ 3816.438579] atkbd serio0: Unknown key pressed (translated set 2, code 0xbe on isa0060/serio0). May 24 10:01:30 yogi kernel: [ 3816.438603] atkbd serio0: Use 'setkeycodes e03e <keycode>' to make it known. May 24 10:01:30 yogi kernel: [ 3816.443504] atkbd serio0: Unknown key released (translated set 2, code 0xbe on isa0060/serio0). May 24 10:01:30 yogi kernel: [ 3816.443516] atkbd serio0: Use 'setkeycodes e03e <keycode>' to make it known. these messages are generated approximately each 200 msec. If the former is not related to stuck key problem, please, ignore. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8 Uname: Linux 4.4.0-22-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Tue May 24 09:45:39 2016 DistUpgraded: 2016-04-24 00:21:19,103 DEBUG icon theme changed, re-reading DistroCodename: xenial DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Lenovo 3rd Gen Core processor Graphics Controller [17aa:3977] InstallationDate: Installed on 2013-11-17 (918 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: LENOVO 2191 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic.efi.signed root=UUID=f6200601-c430-459d-abab-c6d45f1e147a ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: Upgraded to xenial on 2016-04-23 (30 days ago) dmi.bios.date: 02/28/2013 dmi.bios.vendor: LENOVO dmi.bios.version: 66CN55WW dmi.board.asset.tag: No Asset Tag dmi.board.name: INVALID dmi.board.vendor: LENOVO dmi.board.version: 31900003WIN8 STD MLT dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo IdeaPad Yoga 13 dmi.modalias: dmi:bvnLENOVO:bvr66CN55WW:bd02/28/2013:svnLENOVO:pn2191:pvrLenovoIdeaPadYoga13:rvnLENOVO:rnINVALID:rvr31900003WIN8STDMLT:cvnLENOVO:ct10:cvrLenovoIdeaPadYoga13: dmi.product.name: 2191 dmi.product.version: Lenovo IdeaPad Yoga 13 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.12.2+16.04.20160415-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.67-1 version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Tue May 24 08:57:44 2016 xserver.configfile: default xserver.errors: SynPS/2 Synaptics TouchPad: Read error 19 xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 864 vendor LGD xserver.version: 2:1.18.3-1ubuntu2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1585094/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
