Public bug reported: About every 2 - 4 days, the UI hangs and I need to power cycle the system in order to return to usability. The mouse cursor can be moved, but only on the current monitor.
This has only happened since upgrading to 14.10. Hardware is a Lenovo W540. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-3.16.0-28-generic 3.16.0-28.38 ProcVersionSignature: Ubuntu 3.16.0-28.38-generic 3.16.7-ckt1 Uname: Linux 3.16.0-28-generic x86_64 ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC3: jeremiah 4202 F.... pulseaudio /dev/snd/controlC2: jeremiah 4202 F.... pulseaudio /dev/snd/controlC1: jeremiah 4202 F.... pulseaudio /dev/snd/controlC0: jeremiah 4202 F.... pulseaudio CurrentDesktop: Unity Date: Fri Jan 9 07:36:39 2015 EcryptfsInUse: Yes InstallationDate: Installed on 2014-08-07 (155 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: LENOVO 20BGCTO1WW ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-28-generic.efi.signed root=UUID=7ce22631-1a2f-45e4-872c-3cf524945a3e ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.16.0-28-generic N/A linux-backports-modules-3.16.0-28-generic N/A linux-firmware 1.138.1 SourcePackage: linux UpgradeStatus: Upgraded to utopic on 2014-12-18 (21 days ago) dmi.bios.date: 06/20/2014 dmi.bios.vendor: LENOVO dmi.bios.version: GNET65WW (2.13 ) dmi.board.asset.tag: Not Available dmi.board.name: 20BGCTO1WW dmi.board.vendor: LENOVO dmi.board.version: SDK0E50512 Std dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrGNET65WW(2.13):bd06/20/2014:svnLENOVO:pn20BGCTO1WW:pvrThinkPadW540:rvnLENOVO:rn20BGCTO1WW:rvrSDK0E50512Std:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 20BGCTO1WW dmi.product.version: ThinkPad W540 dmi.sys.vendor: LENOVO ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug utopic ** Attachment added: "version.log" https://bugs.launchpad.net/bugs/1409046/+attachment/4294696/+files/version.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1409046 Title: intel_crtc_wait_for_pending_flips correlate to GUI hang To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1409046/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs