Barry Drake, thank you for performing the requested test. Given this is correlated to the desktop environment one uses, this would appear not to be a kernel issue, but something to do with userspace. I'll send to xorg (Ubuntu) for them to have a look.
** Description changed: Every third or fourth boot, the keyboard is not found although it is accessible by grub2 and by pressing <CTRL>+<ALT>+F2 and withing the terminal. Logout and login from the terminal followed by <CTRL>+<ALT>+F7 to reaccess X does not bring back the keyboard. My current workaround is to use suspend and then reactivate. This always - finds the keyboard after which all is normal. + finds the keyboard after which all is normal. The problem began after an + update to something (I'm not sure what as the problem is spasmodic). It + was first noticed some two or three weeks ago. - The problem began after an update to something (I'm not sure what as the - problem is spasmodic). It was first noticed some two or three weeks - ago. - - I will be happy to carry out tests if someone wants to point me in the - right direction. + WORKAROUND: Works in Lubuntu 14.04. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xserver-xorg-input-all 1:7.7+1ubuntu7 ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4 Uname: Linux 3.12.0-7-generic i686 .tmp.unity.support.test.0: - + ApportVersion: 2.12.7-0ubuntu3 Architecture: i386 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 CurrentDmesg: - [ 26.884218] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready - [ 550.563790] audit_printk_skb: 138 callbacks suppressed - [ 550.563794] type=1400 audit(1388145574.597:67): apparmor="STATUS" operation="profile_replace" parent=2768 profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2772 comm="apparmor_parser" - [ 550.563802] type=1400 audit(1388145574.597:68): apparmor="STATUS" operation="profile_replace" parent=2768 profile="unconfined" name="/usr/sbin/cupsd" pid=2772 comm="apparmor_parser" - [ 550.564387] type=1400 audit(1388145574.597:69): apparmor="STATUS" operation="profile_replace" parent=2768 profile="unconfined" name="/usr/sbin/cupsd" pid=2772 comm="apparmor_parser" + [ 26.884218] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready + [ 550.563790] audit_printk_skb: 138 callbacks suppressed + [ 550.563794] type=1400 audit(1388145574.597:67): apparmor="STATUS" operation="profile_replace" parent=2768 profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2772 comm="apparmor_parser" + [ 550.563802] type=1400 audit(1388145574.597:68): apparmor="STATUS" operation="profile_replace" parent=2768 profile="unconfined" name="/usr/sbin/cupsd" pid=2772 comm="apparmor_parser" + [ 550.564387] type=1400 audit(1388145574.597:69): apparmor="STATUS" operation="profile_replace" parent=2768 profile="unconfined" name="/usr/sbin/cupsd" pid=2772 comm="apparmor_parser" Date: Fri Dec 27 16:23:05 2013 DistUpgraded: Fresh install DistroCodename: trusty DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: - Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7560D] [1002:9904] (prog-if 00 [VGA controller]) - Subsystem: ASRock Incorporation Device [1849:9901] + Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7560D] [1002:9904] (prog-if 00 [VGA controller]) + Subsystem: ASRock Incorporation Device [1849:9901] InstallationDate: Installed on 2013-10-21 (67 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20131021) MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.12.0-7-generic root=UUID=b0a5ccea-5d55-4be4-838d-195afa498cc5 ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/03/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P1.50 dmi.board.name: FM2A55M-VG3 dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.50:bd05/03/2013:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnFM2A55M-VG3:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1 version.libdrm2: libdrm2 2.4.50-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.0.1-1ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.0.1-1ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.14.5-1ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.904-0ubuntu2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu1 xserver.bootTime: Fri Dec 27 11:50:49 2013 xserver.configfile: default xserver.devices: - input Power Button KEYBOARD, id 6 - input Power Button KEYBOARD, id 7 - input Logitech Optical USB Mouse MOUSE, id 8 - input AT Translated Set 2 keyboard KEYBOARD, id 9 + input Power Button KEYBOARD, id 6 + input Power Button KEYBOARD, id 7 + input Logitech Optical USB Mouse MOUSE, id 8 + input AT Translated Set 2 keyboard KEYBOARD, id 9 xserver.errors: - + xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.14.5-1ubuntu2 xserver.video_driver: radeon ** Changed in: linux (Ubuntu) Importance: Medium => Low ** Package changed: linux (Ubuntu) => xorg (Ubuntu) ** Changed in: xorg (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1264543 Title: Trusty boots spasmodically with inactive keyboard ..... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1264543/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp