It appears one of your hard disks is failing and causing long delays in the kernel:
[ 1137.804251] ata3: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0xe frozen [ 1137.804258] ata3: irq_stat 0x00000040, connection status changed [ 1137.804264] ata3: SError: { DevExch } [ 1137.804273] ata3: hard resetting link [ 1140.032186] ata3: COMRESET failed (errno=-32) [ 1140.032197] ata3: reset failed (errno=-32), retrying in 8 secs [ 1147.868122] ata3: hard resetting link [ 1150.164114] ata3: COMRESET failed (errno=-32) [ 1150.164124] ata3: reset failed (errno=-32), retrying in 8 secs [ 1158.108161] ata3: hard resetting link [ 1160.336143] ata3: COMRESET failed (errno=-32) [ 1160.336153] ata3: reset failed (errno=-32), retrying in 33 secs [ 1194.972119] ata3: hard resetting link [ 1197.632151] ata3: COMRESET failed (errno=-32) [ 1197.632163] ata3: reset failed, giving up [ 1197.632173] ata3: EH complete Please try booting Ubuntu from USB to see if that avoids the problem: http://releases.ubuntu.com/18.04 If so then it sounds like you will need to replace a hard disk. ** Package changed: xorg (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Incomplete ** Tags added: performance -- 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/1818949 Title: a lot of time consume to open ubuntu Status in Ubuntu: Incomplete Bug description: anything which i open taking too much time. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: xorg 1:7.7+19ubuntu7.1 ProcVersionSignature: Ubuntu 4.15.0-45.48-generic 4.15.18 Uname: Linux 4.15.0-45-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.9-0ubuntu7.5 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None Date: Thu Mar 7 10:58:39 2019 DistUpgraded: 2018-09-25 03:14:18,250 DEBUG icon theme changed, re-reading DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-stella-osaka-precise-amd64-20121101-2 DistroCodename: bionic DistroVariant: ubuntu DkmsStatus: alsa-hda, 0.201210081115~precise1, 3.2.0-32-generic, x86_64: installed wmi-kobe, 1.0stella1, 3.2.0-32-generic, x86_64: installed GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Lenovo 3rd Gen Core processor Graphics Controller [17aa:3912] Subsystem: Lenovo GeForce 720M [17aa:3912] InstallationDate: Installed on 2018-09-24 (164 days ago) InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20121101-11:02 MachineType: LENOVO 20245 ProcEnviron: LANGUAGE=en_IN:en PATH=(custom, no user) LANG=en_IN SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-45-generic root=UUID=c1e25e8e-4315-4592-bd18-2ad15513edcd ro i915.modeset=1 quiet splash vt.handoff=1 SourcePackage: xorg UpgradeStatus: Upgraded to bionic on 2018-09-24 (163 days ago) dmi.bios.date: 12/10/2013 dmi.bios.vendor: LENOVO dmi.bios.version: 7BCN38WW(V2.04) dmi.board.asset.tag: No Asset Tag dmi.board.name: INVALID dmi.board.vendor: LENOVO dmi.board.version: 00000000Not Defined dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo G500s dmi.modalias: dmi:bvnLENOVO:bvr7BCN38WW(V2.04):bd12/10/2013:svnLENOVO:pn20245:pvrLenovoG500s:rvnLENOVO:rnINVALID:rvr00000000NotDefined:cvnLENOVO:ct10:cvrLenovoG500s: dmi.product.family: IDEAPAD dmi.product.name: 20245 dmi.product.version: Lenovo G500s dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1 version.libdrm2: libdrm2 2.4.95-1~18.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1~18.04.2 version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1~18.04.2 version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 xserver.bootTime: Tue Sep 25 00:39:21 2018 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 927 vendor LGD xserver.version: 2:1.18.4-0ubuntu0.8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1818949/+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