It looks like there are two possible upstreams for this bug: https://gitlab.freedesktop.org/xorg/xserver/-/issues/615 https://gitlab.freedesktop.org/xorg/xserver/-/issues/781
** Bug watch added: gitlab.freedesktop.org/xorg/xserver/-/issues #615 https://gitlab.freedesktop.org/xorg/xserver/-/issues/615 ** Bug watch added: gitlab.freedesktop.org/xorg/xserver/-/issues #781 https://gitlab.freedesktop.org/xorg/xserver/-/issues/781 ** No longer affects: gstreamer-vaapi (Ubuntu) ** Changed in: xorg-server (Ubuntu) Importance: Medium => High ** Tags added: champagne rls-ff-incoming ** Description changed: + Xorg assert failure: Xorg: /usr/include/xorg/privates.h:122: + dixGetPrivateAddr: Assertion `key->initialized' failed. + + This actually seems to happen most frequently in VirtualBox. + + WORKAROUND: + + Select "Ubuntu on Wayland" from the login screen before logging in. + + --- It happened after upgrade to bionic, in the first login, after logon screen. Instead of opening the desktop area, gave the error. I had to do hard reset to be able to use X. After hard reset showed the same error but after a while it entered desktop. ProblemType: Crash DistroRelease: Ubuntu 18.04 Package: xserver-xorg-core 2:1.19.5-0ubuntu2 ProcVersionSignature: Ubuntu 4.13.0-31.34-generic 4.13.13 Uname: Linux 4.13.0-31-generic x86_64 ApportVersion: 2.20.8-0ubuntu6 Architecture: amd64 AssertionMessage: Xorg: /usr/include/xorg/privates.h:122: dixGetPrivateAddr: Assertion `key->initialized' failed. CompositorRunning: None CurrentDesktop: GNOME-Greeter:GNOME Date: Thu Jan 25 10:09:41 2018 DistUpgraded: 2018-01-25 02:34:06,581 ERROR got error from PostInstallScript ./xorg_fix_proprietary.py ([Errno 2] Ficheiro ou directoria inexistente: './xorg_fix_proprietary.py': './xorg_fix_proprietary.py') DistroCodename: bionic DistroVariant: ubuntu ExecutablePath: /usr/lib/xorg/Xorg ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: - Intel Corporation HD Graphics 5500 [8086:1616] (rev 09) (prog-if 00 [VGA controller]) - Subsystem: Toshiba America Info Systems HD Graphics 5500 [1179:f920] - Subsystem: Toshiba America Info Systems Radeon R7 M260 [1179:f923] + Intel Corporation HD Graphics 5500 [8086:1616] (rev 09) (prog-if 00 [VGA controller]) + Subsystem: Toshiba America Info Systems HD Graphics 5500 [1179:f920] + Subsystem: Toshiba America Info Systems Radeon R7 M260 [1179:f923] InstallationDate: Installed on 2018-01-07 (17 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018) MachineType: TOSHIBA SATELLITE L50-B ProcCmdline: /usr/lib/xorg/Xorg vt1 -displayfd 3 -auth /run/user/121/gdm/Xauthority -background none -noreset -keeptty -verbose 3 ProcEnviron: - LANGUAGE=pt:pt_BR:en - PATH=(custom, no user) - XDG_RUNTIME_DIR=<set> - LANG=pt_PT.UTF-8 - SHELL=/bin/false + LANGUAGE=pt:pt_BR:en + PATH=(custom, no user) + XDG_RUNTIME_DIR=<set> + LANG=pt_PT.UTF-8 + SHELL=/bin/false ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-31-generic root=UUID=7985a6e4-e304-4f48-97b5-9111dc373a81 ro quiet splash vt.handoff=7 Signal: 6 SourcePackage: xorg-server StacktraceTop: - __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51 - __GI_abort () at abort.c:90 - __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x7f549469ed25 "key->initialized", file=file@entry=0x7f549469ed08 "/usr/include/xorg/privates.h", line=line@entry=122, function=function@entry=0x7f549469fd00 "dixGetPrivateAddr") at assert.c:92 - __GI___assert_fail (assertion=0x7f549469ed25 "key->initialized", file=0x7f549469ed08 "/usr/include/xorg/privates.h", line=122, function=0x7f549469fd00 "dixGetPrivateAddr") at assert.c:101 - ?? () from /usr/lib/xorg/modules/drivers/amdgpu_drv.so + __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51 + __GI_abort () at abort.c:90 + __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x7f549469ed25 "key->initialized", file=file@entry=0x7f549469ed08 "/usr/include/xorg/privates.h", line=line@entry=122, function=function@entry=0x7f549469fd00 "dixGetPrivateAddr") at assert.c:92 + __GI___assert_fail (assertion=0x7f549469ed25 "key->initialized", file=0x7f549469ed08 "/usr/include/xorg/privates.h", line=122, function=0x7f549469fd00 "dixGetPrivateAddr") at assert.c:101 + ?? () from /usr/lib/xorg/modules/drivers/amdgpu_drv.so Title: Xorg assert failure: Xorg: /usr/include/xorg/privates.h:122: dixGetPrivateAddr: Assertion `key->initialized' failed. UpgradeStatus: Upgraded to bionic on 2018-01-25 (0 days ago) UserGroups: - + dmi.bios.date: 01/21/2015 dmi.bios.vendor: INSYDE Corp. dmi.bios.version: 2.10 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: Type2 - Board Product Name1 dmi.board.vendor: Type2 - Board Vendor Name1 dmi.board.version: Type2 - Board Version dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: OEM Chassis ManuFacturer dmi.chassis.version: OEM Chassis Version dmi.modalias: dmi:bvnINSYDECorp.:bvr2.10:bd01/21/2015:svnTOSHIBA:pnSATELLITEL50-B:pvrPSKTNE-01U011EP:rvnType2-BoardVendorName1:rnType2-BoardProductName1:rvrType2-BoardVersion:cvnOEMChassisManuFacturer:ct10:cvrOEMChassisVersion: dmi.product.family: INVALID dmi.product.name: SATELLITE L50-B dmi.product.version: PSKTNE-01U011EP dmi.sys.vendor: TOSHIBA version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.89-1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.4-0ubuntu2 version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.4-0ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1745345 Title: Xorg assert failure: Xorg: /usr/include/xorg/privates.h:122: dixGetPrivateAddr: Assertion `key->initialized' failed. 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