Thank you for your reply.The problem does not happen every time I start the laptop. It has not happened again. I will take a snap next time it occurs...Have a good time!Carlos Suárez V
-------- Original message --------From: Daniel van Vugt <email address hidden> Date: 8/5/19  21:10  (GMT-05:00) To: <email address hidden> Subject: [Bug 1839024] Re: display flickering in perpetual loo If possible, please also take a video of the problem with a phone andthen attach the video here.** Package changed: xorg (Ubuntu) => linux (Ubuntu)** Summary changed:- display flickering in perpetual loop while starting ubuntu 18.04.2+ [i915] display flickering in perpetual loop while starting ubuntu 18.04.2-- You received this bug notification because you are subscribed to the bugreport.https://bugs.launchpad.net/bugs/1839024Title:  [i915] display flickering in perpetual loop while starting ubuntu  18.04.2Status in linux package in Ubuntu:  NewBug description:  gnome 3.28.2  Laptop needs to be re-started  ProblemType: Bug  DistroRelease: Ubuntu 18.04  Package: xorg 1:7.7+19ubuntu7.1  ProcVersionSignature: Ubuntu 4.15.0-30.32-generic 4.15.18  Uname: Linux 4.15.0-30-generic x86_64  .tmp.unity_support_test.0:     ApportVersion: 2.20.9-0ubuntu7.7  Architecture: amd64  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'  CompositorRunning: None  Date: Mon Aug  5 14:04:47 2019  DistUpgraded: 2019-03-08 20:01:34,757 DEBUG icon theme changed, re-reading  DistroCodename: bionic  DistroVariant: ubuntu  ExtraDebuggingInterest: Yes, if not too technical  GraphicsCard:   Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])     Subsystem: Hewlett-Packard Company Mobile 4 Series Chipset Integrated Graphics Controller [103c:3649]     Subsystem: Hewlett-Packard Company Mobile 4 Series Chipset Integrated Graphics Controller [103c:3649]  InstallationDate: Installed on 2018-02-07 (544 days ago)  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)  MachineType: Hewlett-Packard HP Pavilion dm3 Notebook PC  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-30-generic root=UUID=74d5e8df-abd0-45c0-a0c6-ca60e2f84b67 ro quiet splash vt.handoff=1  SourcePackage: xorg  UpgradeStatus: Upgraded to bionic on 2019-03-09 (149 days ago)  dmi.bios.date: 08/12/2009  dmi.bios.vendor: Hewlett-Packard  dmi.bios.version: F.01  dmi.board.asset.tag: Base Board Asset Tag  dmi.board.name: 3649  dmi.board.vendor: Flextronics  dmi.board.version: 41.3A  dmi.chassis.type: 10  dmi.chassis.vendor: Flextronics  dmi.chassis.version: N/A  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.01:bd08/12/2009:svnHewlett-Packard:pnHPPaviliondm3NotebookPC:pvr03A0100000240010110120000:rvnFlextronics:rn3649:rvr41.3A:cvnFlextronics:ct10:cvrN/A:  dmi.product.family: 103C_5335KV  dmi.product.name: HP Pavilion dm3 Notebook PC  dmi.product.version: 03A0100000240010110120000  dmi.sys.vendor: Hewlett-Packard  version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1  version.libdrm2: libdrm2 2.4.97-1ubuntu1~18.04.1  version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.2-1ubuntu1.1~18.04.2  version.libgl1-mesa-glx: libgl1-mesa-glx 19.0.2-1ubuntu1.1~18.04.2  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.3  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: Fri Mar  8 17:47:08 2019  xserver.configfile: default  xserver.errors:     xserver.logfile: /var/log/Xorg.0.log  xserver.version: 2:1.19.6-1ubuntu4~16.04.1  xserver.video_driver: modesetTo manage notifications about this bug go to:https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1839024/+subscriptions