Yuriy Vidineev, thank you for reporting this and helping make Ubuntu better.
To see if this is already resolved in your release, could you please update your HWE stack as per https://wiki.ubuntu.com/Kernel/LTSEnablementStack and advise to the results? ** Tags added: bios-outdated-2.4.2 ** Changed in: xorg (Ubuntu) Importance: Undecided => Low ** Changed in: xorg (Ubuntu) Status: Confirmed => Incomplete -- 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/1714122 Title: latest skype update causes xorg to segfault Status in xorg package in Ubuntu: Incomplete Bug description: After update skypeforlinux to 8.5.76.55323 I've started to get xorg segfaults when connected to 2 external monitors via docking station. My setup: Dell XPS 13 9360 + Dell DS1000 USB-C docking station+2 external FullHD Dell monitors. In xorg logs I can see: [ 17917.757] (II) LoadModule: "modesetting" [ 17917.757] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so [ 17917.757] (II) Module modesetting: vendor="X.Org Foundation" [ 17917.757] compiled for 1.18.4, module version = 1.18.4 [ 17917.757] Module class: X.Org Video Driver [ 17917.757] ABI class: X.Org Video Driver, version 20.0 [ 17917.757] (II) modesetting: Driver for Modesetting Kernel Drivers: kms [ 17917.759] (II) modeset(0): using drv /dev/dri/card0 [ 17917.759] (EE) [ 17917.759] (EE) Backtrace: [ 17917.759] (EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4e) [0x55c4f0526b6e] [ 17917.759] (EE) 1: /usr/lib/xorg/Xorg (0x55c4f0374000+0x1b6ef9) [0x55c4f052aef9] [ 17917.759] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7fb6199e2000+0x354b0) [0x7fb619a174b0] [ 17917.759] (EE) 3: /usr/lib/x86_64-linux-gnu/libpciaccess.so.0 (pci_device_next+0x118) [0x7fb61afd1a38] [ 17917.759] (EE) 4: /usr/lib/x86_64-linux-gnu/libpciaccess.so.0 (pci_device_find_by_slot+0x3b) [0x7fb61afd1abb] [ 17917.759] (EE) 5: /usr/lib/x86_64-linux-gnu/libpciaccess.so.0 (pci_device_vgaarb_init+0xaf) [0x7fb61afd37af] [ 17917.759] (EE) 6: /usr/lib/xorg/Xorg (0x55c4f0374000+0xb1a39) [0x55c4f0425a39] [ 17917.759] (EE) 7: /usr/lib/xorg/Xorg (xf86BusConfig+0x62) [0x55c4f03fe7a2] [ 17917.759] (EE) 8: /usr/lib/xorg/Xorg (InitOutput+0x968) [0x55c4f040cd58] [ 17917.759] (EE) 9: /usr/lib/xorg/Xorg (0x55c4f0374000+0x57be4) [0x55c4f03cbbe4] [ 17917.759] (EE) 10: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0) [0x7fb619a02830] [ 17917.759] (EE) 11: /usr/lib/xorg/Xorg (_start+0x29) [0x55c4f03b6049] [ 17917.759] (EE) [ 17917.759] (EE) Segmentation fault at address 0x0 [ 17917.759] (EE) Fatal server error: [ 17917.759] (EE) Caught signal 11 (Segmentation fault). Server aborting [ 17917.759] (EE) [ 17917.759] (EE) Please consult the The X.Org Foundation support at http://wiki.x.org for help. [ 17917.759] (EE) Please also check the log file at "/var/log/Xorg.1.log" for additional information. [ 17917.759] (EE) [ 17917.816] (EE) Server terminated with error (1). Closing log file. I'm not facing this issue when I'm not connected to external monitors. Any help will be much appretiated. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xserver-xorg (not installed) ProcVersionSignature: Ubuntu 4.10.0-33.37~16.04.1-generic 4.10.17 Uname: Linux 4.10.0-33-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.1-0ubuntu2.10 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Wed Aug 30 18:27:41 2017 DistUpgraded: Fresh install DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-xenial-amd64-20160624-2 DistroCodename: xenial DistroVariant: ubuntu EcryptfsInUse: Yes ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: Intel Corporation Device [8086:5916] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Dell Device [1028:075b] InstallationDate: Installed on 2016-10-06 (328 days ago) InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47 Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 0c45:670c Microdia Bus 001 Device 002: ID 0cf3:e301 Atheros Communications, Inc. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. XPS 13 9360 ProcEnviron: LANGUAGE=en_US TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-33-generic root=UUID=f79f9409-625c-4f78-83af-cf2cf7928690 ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/02/2017 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.1.0 dmi.board.name: 0839Y6 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.1.0:bd08/02/2017:svnDellInc.:pnXPS139360:pvr:rvnDellInc.:rn0839Y6:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: XPS 13 9360 dmi.sys.vendor: Dell Inc. version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.76-1~ubuntu16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.0.7-0ubuntu0.16.04.2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 17.0.7-0ubuntu0.16.04.2 version.xserver-xorg-core: xserver-xorg-core N/A version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1714122/+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