my problem solved. I think google chrome cause this freezing and I Untick "use hardware acceleration when available" , Disable "GPU Rasterization". after that my system did not freeze
-- 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/1757081 Title: freeze ubuntu 17.10 Status in linux package in Ubuntu: Incomplete Bug description: I had installed Ubuntu 17.10 on a spare partition and updating it daily my system freezes frequently It does not respond to any key presses like Ctrl Alt F1 or Ctrl Alt Del. My Leptop is Lenovo-E530 which has Intel Core i5 chip. Memory is 8GB and 2048 MB swap partition. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: linux-image-4.13.0-37-generic 4.13.0-37.42 ProcVersionSignature: Ubuntu 4.13.0-37.42-generic 4.13.13 Uname: Linux 4.13.0-37-generic x86_64 NonfreeKernelModules: wl nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.7-0ubuntu3.7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: amin 2765 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Tue Mar 20 12:39:56 2018 HibernationDevice: RESUME=UUID=9542262e-d4ca-4d0c-81f4-17637dfb4fe1 InstallationDate: Installed on 2018-01-17 (61 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1) MachineType: LENOVO 62723UG ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-37-generic root=UUID=91fdd5d7-664d-4cd0-bab8-07d9c8974e1a ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.13.0-37-generic N/A linux-backports-modules-4.13.0-37-generic N/A linux-firmware 1.169.3 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/14/2012 dmi.bios.vendor: LENOVO dmi.bios.version: H0ET74WW (2.08 ) dmi.board.asset.tag: Not Available dmi.board.name: 62723UG 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:bvrH0ET74WW(2.08):bd11/14/2012:svnLENOVO:pn62723UG:pvrThinkPadEdgeE530:rvnLENOVO:rn62723UG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.family: ThinkPad Edge E530 dmi.product.name: 62723UG dmi.product.version: ThinkPad Edge E530 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1757081/+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
