Stephen Rees-Carter, could you please confirm this issue exists with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains, could you please just make a comment to this?
If reproducible in Trusty, could you please test the latest mainline kernel via http://kernel.ubuntu.com/~kernel- ppa/mainline/v3.13-rc2-trusty/ and advise on the results? ** Tags removed: bios-outdated-1.23 ** Tags added: latest-bios-1.23 ** Tags removed: kernel-bug-exists-upstream ** Tags added: kernel-bug-exists-upstream-v3.12 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1248100 Title: 046d:c52b [ThinkPad L520] Logitech Unified Receiver very laggy Status in “linux” package in Ubuntu: Incomplete Bug description: Since upgrading to 13.10, my wireless Logitech keyboard and mouse have been very laggy and quite unusable. The mouse barely moves or responds most of the time, and the keyboard either ignores input or gets stuck on a character, or sequence of characters, and repeats them constantly. They were both working in 13.04. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-12-generic 3.11.0-12.19 [modified: boot/vmlinuz-3.11.0-12-generic] ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: valorin 2420 F.... pulseaudio Date: Tue Nov 5 21:05:09 2013 HibernationDevice: RESUME=UUID=20653816-c79a-43a2-bd96-aab0af013acf InstallationDate: Installed on 2013-10-29 (7 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: LENOVO 7859CTO MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic root=UUID=416f70c3-ac4e-4e00-a8aa-56a37d187587 ro quiet splash noapic vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.11.0-12-generic N/A linux-backports-modules-3.11.0-12-generic N/A linux-firmware 1.116 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/04/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 8GET38WW (1.15 ) dmi.board.name: 7859CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr8GET38WW(1.15):bd11/04/2011:svnLENOVO:pn7859CTO:pvrThinkPadL520:rvnLENOVO:rn7859CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 7859CTO dmi.product.version: ThinkPad L520 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1248100/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp