Hi, Affects me too since about a week ago - I don't think it was a problem before that. Sometimes if I hammer about the keyboard starting with Super+S I can eventually free it up without rebooting. Spec: Ubuntu 14.04LTS 64bit Kernel 3.13.0-27-generic :~$ sudo lshw description: Notebook product: VGN-CR21S_P (N/A) vendor: Sony Corporation version: C101LYJY serial: 28209761-5002177 width: 64 bits capabilities: smbios-2.4 dmi-2.4 vsyscall32 configuration: boot=normal chassis=notebook family=N/A sku=N/A uuid=7A043D00-A184-11DB-8C20-001A803EFC4E *-core description: Motherboard product: VAIO vendor: Sony Corporation physical id: 0 version: N/A serial: N/A slot: ��@ *-firmware description: BIOS vendor: Phoenix Technologies LTD physical id: 0 version: R1090Q0 date: 10/09/2007 size: 99KiB capacity: 960KiB capabilities: isa pci pnp apm upgrade shadowing escd cdboot bootselect edd int9keyboard int10video acpi usb agp smartbattery biosbootspecification netboot *-cpu description: CPU product: Intel(R) Core(TM)2 Duo CPU T7250 @ 2.00GHz vendor: Intel Corp. physical id: 4 bus info: cpu@0 version: Intel(R) Core(TM)2 Duo CPU T7250 @ 2.00GHz serial: N/A slot: N/A size: 2001MHz capacity: 2001MHz width: 64 bits clock: 200MHz capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx x86-64 constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida dtherm tpr_shadow vnmi flexpriority cpufreq *-cache:0 description: L1 cache physical id: 5 slot: L1 Cache size: 64KiB capacity: 64KiB capabilities: internal write-back *-cache:1 description: L2 cache physical id: 6 slot: L2 Cache size: 2MiB capacity: 2MiB capabilities: burst internal write-back *-memory description: System Memory physical id: 9 slot: System board or motherboard size: 2GiB *-bank:0 description: SODIMM DDR2 physical id: 0 slot: SODIMM1 size: 1GiB width: 64 bits *-bank:1 description: SODIMM DDR2 physical id: 1 slot: SODIMM2 size: 1GiB width: 64 bits *-pci description: Host bridge product: Mobile PM965/GM965/GL960 Memory Controller Hub vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 0c width: 32 bits clock: 33MHz configuration: driver=agpgart-intel resources: irq:0 *-display:0 description: VGA compatible controller product: Mobile GM965/GL960 Integrated Graphics Controller (primary) vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 0c width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:44 memory:fc000000-fc0fffff memory:d0000000-dfffffff ioport:1800(size=8) *-display:1 UNCLAIMED description: Display controller product: Mobile GM965/GL960 Integrated Graphics Controller (secondary) vendor: Intel Corporation physical id: 2.1 bus info: pci@0000:00:02.1 version: 0c width: 64 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: latency=0 resources: memory:fc100000-fc1fffff *-usb:0 description: USB controller product: 82801H (ICH8 Family) USB UHCI Controller #4 vendor: Intel Corporation physical id: 1a bus info: pci@0000:00:1a.0 version: 03 width: 32 bits clock: 33MHz capabilities: uhci bus_master configuration: driver=uhci_hcd latency=0 resources: irq:16 ioport:1820(size=32) *-usb:1 description: USB controller product: 82801H (ICH8 Family) USB UHCI Controller #5 vendor: Intel Corporation physical id: 1a.1 bus info: pci@0000:00:1a.1 version: 03 width: 32 bits clock: 33MHz capabilities: uhci bus_master configuration: driver=uhci_hcd latency=0 resources: irq:21 ioport:1840(size=32) *-usb:2 description: USB controller product: 82801H (ICH8 Family) USB2 EHCI Controller #2 vendor: Intel Corporation physical id: 1a.7 bus info: pci@0000:00:1a.7 version: 03 width: 32 bits clock: 33MHz capabilities: pm debug ehci bus_master cap_list configuration: driver=ehci-pci latency=0 resources: irq:18 memory:fc504000-fc5043ff *-multimedia description: Audio device product: 82801H (ICH8 Family) HD Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 03 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:46 memory:fc500000-fc503fff *-pci:0 description: PCI bridge product: 82801H (ICH8 Family) PCI Express Port 1 vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: 03 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:40 ioport:2000(size=4096) memory:f6000000-f7ffffff ioport:f0000000(size=33554432) *-network description: Wireless interface product: PRO/Wireless 3945ABG [Golan] Network Connection vendor: Intel Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: wlan0 version: 02 serial: 00:1b:77:ec:7d:58 width: 32 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwl3945 driverversion=3.13.0-27-generic firmware=15.32.2.9 ip=192.168.1.105 latency=0 link=yes multicast=yes wireless=IEEE 802.11abg resources: irq:45 memory:f6000000-f6000fff *-pci:1 description: PCI bridge product: 82801H (ICH8 Family) PCI Express Port 2 vendor: Intel Corporation physical id: 1c.1 bus info: pci@0000:00:1c.1 version: 03 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:41 ioport:3000(size=4096) memory:f8000000-f9ffffff ioport:f2000000(size=33554432) *-pci:2 description: PCI bridge product: 82801H (ICH8 Family) PCI Express Port 3 vendor: Intel Corporation physical id: 1c.2 bus info: pci@0000:00:1c.2 version: 03 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:42 ioport:4000(size=4096) memory:fa000000-fbffffff ioport:f4000000(size=33554432) *-network description: Ethernet interface product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:06:00.0 logical name: eth0 version: 01 serial: 00:1a:80:3e:fc:4e size: 10Mbit/s capacity: 100Mbit/s width: 64 bits clock: 33MHz capabilities: pm vpd msi pciexpress bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no multicast=yes port=MII speed=10Mbit/s resources: irq:43 ioport:4000(size=256) memory:fa000000-fa000fff memory:f4000000-f401ffff *-usb:3 description: USB controller product: 82801H (ICH8 Family) USB UHCI Controller #1 vendor: Intel Corporation physical id: 1d bus info: pci@0000:00:1d.0 version: 03 width: 32 bits clock: 33MHz capabilities: uhci bus_master configuration: driver=uhci_hcd latency=0 resources: irq:23 ioport:1860(size=32) *-usb:4 description: USB controller product: 82801H (ICH8 Family) USB UHCI Controller #2 vendor: Intel Corporation physical id: 1d.1 bus info: pci@0000:00:1d.1 version: 03 width: 32 bits clock: 33MHz capabilities: uhci bus_master configuration: driver=uhci_hcd latency=0 resources: irq:19 ioport:1880(size=32) *-usb:5 description: USB controller product: 82801H (ICH8 Family) USB UHCI Controller #3 vendor: Intel Corporation physical id: 1d.2 bus info: pci@0000:00:1d.2 version: 03 width: 32 bits clock: 33MHz capabilities: uhci bus_master configuration: driver=uhci_hcd latency=0 resources: irq:18 ioport:18a0(size=32) *-usb:6 description: USB controller product: 82801H (ICH8 Family) USB2 EHCI Controller #1 vendor: Intel Corporation physical id: 1d.7 bus info: pci@0000:00:1d.7 version: 03 width: 32 bits clock: 33MHz capabilities: pm debug ehci bus_master cap_list configuration: driver=ehci-pci latency=0 resources: irq:23 memory:fc504400-fc5047ff *-pci:3 description: PCI bridge product: 82801 Mobile PCI Bridge vendor: Intel Corporation physical id: 1e bus info: pci@0000:00:1e.0 version: f3 width: 32 bits clock: 33MHz capabilities: pci subtractive_decode bus_master cap_list resources: ioport:5000(size=4096) memory:fc200000-fc2fffff ioport:80000000(size=67108864) *-pcmcia description: CardBus bridge product: PCIxx12 Cardbus Controller vendor: Texas Instruments physical id: 7 bus info: pci@0000:08:07.0 version: 00 width: 32 bits clock: 33MHz capabilities: pcmcia bus_master cap_list configuration: driver=yenta_cardbus latency=176 maxlatency=5 mingnt=192 resources: irq:20 memory:fc204000-fc204fff ioport:5000(size=256) ioport:5400(size=256) memory:80000000-83ffffff memory:88000000-8bffffff *-firewire description: FireWire (IEEE 1394) product: PCIxx12 OHCI Compliant IEEE 1394 Host Controller vendor: Texas Instruments physical id: 7.1 bus info: pci@0000:08:07.1 version: 00 width: 32 bits clock: 33MHz capabilities: pm ohci bus_master cap_list configuration: driver=firewire_ohci latency=32 maxlatency=4 mingnt=3 resources: irq:21 memory:fc206000-fc2067ff memory:fc200000-fc203fff *-storage description: Mass storage controller product: 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD) vendor: Texas Instruments physical id: 7.2 bus info: pci@0000:08:07.2 version: 00 width: 32 bits clock: 33MHz capabilities: storage pm bus_master cap_list configuration: driver=tifm_7xx1 latency=57 maxlatency=4 mingnt=7 resources: irq:20 memory:fc205000-fc205fff *-isa description: ISA bridge product: 82801HM (ICH8M) LPC Interface Controller vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 03 width: 32 bits clock: 33MHz capabilities: isa bus_master cap_list configuration: driver=lpc_ich latency=0 resources: irq:0 *-ide description: IDE interface product: 82801HM/HEM (ICH8M/ICH8M-E) SATA Controller [IDE mode] vendor: Intel Corporation physical id: 1f.2 bus info: pci@0000:00:1f.2 version: 03 width: 32 bits clock: 66MHz capabilities: ide pm bus_master cap_list configuration: driver=ata_piix latency=0 resources: irq:19 ioport:1f0(size=8) ioport:3f6 ioport:170(size=8) ioport:376 ioport:18e0(size=16) ioport:18d0(size=16) *-serial UNCLAIMED description: SMBus product: 82801H (ICH8 Family) SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 03 width: 32 bits clock: 33MHz configuration: latency=0 resources: memory:84000000-840000ff ioport:1c00(size=32) *-scsi:0 physical id: 1 logical name: scsi0 capabilities: emulated *-disk description: ATA Disk product: TOSHIBA THNSNH12 vendor: Toshiba physical id: 0.0.0 bus info: scsi@0:0.0.0 logical name: /dev/sda version: HTRA serial: 73KS1176TE4Y size: 119GiB (128GB) capabilities: partitioned partitioned:dos configuration: ansiversion=5 sectorsize=512 signature=000476f7 *-volume:0 description: EXT4 volume vendor: Linux physical id: 1 bus info: scsi@0:0.0.0,1 logical name: /dev/sda1 logical name: / version: 1.0 serial: 039b1cdb-b5de-43eb-95a8-0e31b0ba7450 size: 14GiB capacity: 14GiB capabilities: primary bootable journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized configuration: created=2014-05-26 18:49:08 filesystem=ext4 lastmountpoint=/ modified=2014-05-26 20:43:12 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2014-05-26 20:43:12 state=mounted *-volume:1 description: Extended partition physical id: 2 bus info: scsi@0:0.0.0,2 logical name: /dev/sda2 size: 104GiB capacity: 104GiB capabilities: primary extended partitioned partitioned:extended *-logicalvolume:0 description: Linux filesystem partition physical id: 5 logical name: /dev/sda5 logical name: /home capacity: 102GiB configuration: mount.fstype=ext4 mount.options=rw,relatime,data=ordered state=mounted *-logicalvolume:1 description: Linux swap / Solaris partition physical id: 6 logical name: /dev/sda6 capacity: 1906MiB capabilities: nofs *-scsi:1 physical id: 2 logical name: scsi1 capabilities: emulated *-cdrom description: DVD-RAM writer product: DVD-RW DVR-K17 vendor: PIONEER physical id: 0.0.0 bus info: scsi@1:0.0.0 logical name: /dev/cdrom logical name: /dev/sr0 version: 1.00 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=nodisc If there's anymore information I can provide, please letme know and I will post.