The bug was in the Amdgpu-pro drivers. Uninstalled them, and the problem disappeared.
-- 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/1765230 Title: Immediate logout when using Chrome (and not only it) Status in xorg package in Ubuntu: New Bug description: Sometimes when I open a new tab or start downloading a file with the Chrome browser, the system logs me out. Then this problem persists so that I'm logged out very fast, and only reboot helps. Starting Firefox after the first crash also leads to logout. What exact information can I provide (some logs etc)? Thank you. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: xorg 1:7.7+19ubuntu6 ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10 Uname: Linux 4.15.0-13-generic x86_64 ApportVersion: 2.20.9-0ubuntu5 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CompositorRunning: None CurrentDesktop: KDE Date: Thu Apr 19 01:56:30 2018 DistUpgraded: Fresh install DistroCodename: bionic DistroVariant: ubuntu DkmsStatus: amdgpu, 17.40-492261: added virtualbox, 5.2.8, 4.15.0-13-generic, x86_64: installed virtualbox, 5.2.8, 4.15.0-15-generic, x86_64: installed ExtraDebuggingInterest: I just need to know a workaround GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480] [1002:67df] (rev e7) (prog-if 00 [VGA controller]) Subsystem: Micro-Star International Co., Ltd. [MSI] Ellesmere [Radeon RX 470/480/570/580] [1462:3418] InstallationDate: Installed on 2018-04-11 (7 days ago) InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404) MachineType: System manufacturer System Product Name ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed root=UUID=7dbb3ef1-f889-4f8b-8243-ddccfd6bc4c2 ro quiet splash SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/06/2018 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3806 dmi.board.asset.tag: Default string dmi.board.name: PRIME B350-PLUS dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3806:bd03/06/2018:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEB350-PLUS:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: To be filled by O.E.M. dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.91-2 version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc5-1ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc5-1ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu3 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1765230/+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
