Same thing happens to me almost daily. Does not make laptop unusable but
it hits my roof when it happens during Imgur browsing.
At least one thing that is not mentioned here is that when giving normal
single-press "Right" xev reports events KeyRelease+KeyPress+KeyRelease (YES,
strange pre-release event every time with exactly same time stamp):
KeyRelease event, serial 22, synthetic NO, window 0x4a00001,
root 0xa2, subw 0x0, time 2514518, (706,871), root:(706,896),
state 0x0, keycode 114 (keysym 0xff53, Right), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
KeyPress event, serial 22, synthetic NO, window 0x4a00001,
root 0xa2, subw 0x0, time 2514518, (706,871), root:(706,896),
state 0x0, keycode 114 (keysym 0xff53, Right), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 22, synthetic NO, window 0x4a00001,
root 0xa2, subw 0x0, time 2514618, (706,871), root:(706,896),
state 0x0, keycode 114 (keysym 0xff53, Right), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
When this sticky-key symptom occurs during normal single-press "Right" it will
be reported as series of "KP_Right":
KeyRelease event, serial 24, synthetic NO, window 0x4a00001,
root 0xa2, subw 0x4c0000f, time 2883206, (116,352), root:(116,377),
state 0x0, keycode 85 (keysym 0xff98, KP_Right), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
KeyPress event, serial 24, synthetic NO, window 0x4a00001,
root 0xa2, subw 0x4c0000f, time 2883206, (116,352), root:(116,377),
state 0x0, keycode 85 (keysym 0xff98, KP_Right), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 24, synthetic NO, window 0x4a00001,
root 0xa2, subw 0x4c0000f, time 2883706, (116,352), root:(116,377),
state 0x0, keycode 85 (keysym 0xff98, KP_Right), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
KeyPress event, serial 24, synthetic NO, window 0x4a00001,
root 0xa2, subw 0x4c0000f, time 2883706, (116,352), root:(116,377),
state 0x0, keycode 85 (keysym 0xff98, KP_Right), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
** Attachment added: "xev with imgur"
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1585094/+attachment/4944154/+files/Selection_420.png
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https://bugs.launchpad.net/bugs/1585094
Title:
Random stuck keys on Lenovo Yoga 13
Status in xorg package in Ubuntu:
Confirmed
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
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