Anupam Datta: >"I didnt install any third party kernel." Before moving any further please review https://help.ubuntu.com/community/Repositories as to what is and isn't supported in Ubuntu.
With this in mind, as per https://launchpad.net/ubuntu/+source/linux there is no supported repository that has 4.5.2 as a kernel. >"I had downloaded from Ubuntu repo as my touchscreen was not working." Manually downloading a kernel is not getting it from a supported Ubuntu repository. >"I was suggested to download from Ubuntu official repo, not from any arbitrary source and exactly I had done that. And it got updated after that from Ubuntu updates." You are confused because you were given bad information by someone's suggestion. Moving past this, please uninstall the 3rd party, unsupported 4.5.2 kernel, and return your system to the default repository kernel. Once done, please provide the following terminal command to confirm the results: uname -a -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1589263 Title: Xorg freeze Status in xorg package in Ubuntu: Incomplete Bug description: it shows : acpi failed to set initial power state drm : pointer to tdms table invalid drm : pointer to flat panel table invalid ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 Uname: Linux 4.5.2-040502-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 BootLog: 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 Date: Sun Jun 5 20:50:08 2016 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu ExtraDebuggingInterest: Yes, including running git bisection searches GpuHangFrequency: This is the first time GraphicsCard: Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Broadwell-U Integrated Graphics [103c:80dd] Subsystem: Hewlett-Packard Company GM107M [GeForce GTX 950M] [103c:80dd] InstallationDate: Installed on 2016-02-21 (104 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160214) MachineType: Hewlett-Packard HP ENVY Notebook ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.5.2-040502-generic root=UUID=00a78db6-4e85-4827-a204-386b28d7f737 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display Title: Xorg freeze UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/03/2016 dmi.bios.vendor: Insyde dmi.bios.version: F.35 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: 80DD dmi.board.vendor: Hewlett-Packard dmi.board.version: 64.36 dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnInsyde:bvrF.35:bd03/03/2016:svnHewlett-Packard:pnHPENVYNotebook:pvrType1ProductConfigId:rvnHewlett-Packard:rn80DD:rvr64.36:cvnHewlett-Packard:ct10:cvrChassisVersion: dmi.product.name: HP ENVY Notebook dmi.product.version: Type1ProductConfigId dmi.sys.vendor: Hewlett-Packard version.compiz: compiz 1:0.9.12.2+16.04.20160526-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Mon Jun 6 02:18:14 2016 xserver.configfile: default xserver.errors: Failed to load module "nvidia" (module does not exist, 0) Failed to load module "nvidia" (module does not exist, 0) Unknown chipset: NV117 xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 14573 vendor AUO xserver.version: 2:1.18.3-1ubuntu2.2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1589263/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
