*** This bug is a duplicate of bug 1056381 *** https://bugs.launchpad.net/bugs/1056381
Public bug reported: I have a virtual machine that uses kvm-spice with quantal in it (up to date with today). The login screen does not appear and the lightdm logfile shows a failed assertion. In /var/log/lightdm/x-0.log: X: ../../dix/privates.c:560: dixPrivatesSize: Assertion `!screen_specific_private[type]' failed. I'll attach the lightdm logfiles, Xorg logfiles as well as a crash file (of X) that is probably from the crash (as best as I can tell from the timestamp it is from the same minute). X uses the qxl driver. Using the cirrus driver doesn't cause a crash. Package information: ii lightdm 1.3.3-0ubuntu4 amd64 Display Manager ii lightdm-remote-session-freerdp 1.0-0ubuntu1 amd64 Session and configuration to login with FreeRDP ii lightdm-remote-session-uccsconfigure 1.1-0ubuntu1 amd64 Session and configuration to login to configure UCCS ii xserver-xorg 1:7.7+1ubuntu3 amd64 X.Org X server ii xserver-xorg-core 2:1.13.0-0ubuntu4 amd64 Xorg X server - core server ii xserver-xorg-input-all 1:7.7+1ubuntu3 amd64 X.Org X server -- input driver metapackage ii xserver-xorg-input-evdev 1:2.7.3-0ubuntu1 amd64 X.Org X server -- evdev input driver ii xserver-xorg-input-mouse 1:1.7.2-2build1 amd64 X.Org X server -- mouse input driver ii xserver-xorg-input-synaptics 1.6.2-1ubuntu5 amd64 Synaptics TouchPad driver for X.Org server ii xserver-xorg-input-vmmouse 1:12.9.0-0ubuntu3 amd64 X.Org X server -- VMMouse input driver to use with VMWare ii xserver-xorg-input-wacom 1:0.17.0-0ubuntu2 amd64 X.Org X server -- Wacom input driver ii xserver-xorg-video-all 1:7.7+1ubuntu3 amd64 X.Org X server -- output driver metapackage ii xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1 amd64 X.Org X server -- AMD/ATI display driver wrapper ii xserver-xorg-video-cirrus 1:1.5.1-0ubuntu2 amd64 X.Org X server -- Cirrus display driver ii xserver-xorg-video-fbdev 1:0.4.3-0ubuntu1 amd64 X.Org X server -- fbdev display driver ii xserver-xorg-video-intel 2:2.20.8-0ubuntu1 amd64 X.Org X server -- Intel i8xx, i9xx display driver ii xserver-xorg-video-mach64 6.9.3-0ubuntu1 amd64 X.Org X server -- ATI Mach64 display driver ii xserver-xorg-video-mga 1:1.6.0-0ubuntu1 amd64 X.Org X server -- MGA display driver ii xserver-xorg-video-modesetting 0.5.0-0ubuntu1 amd64 X.Org X server -- Generic modesetting driver ii xserver-xorg-video-neomagic 1:1.2.7-0ubuntu1 amd64 X.Org X server -- Neomagic display driver ii xserver-xorg-video-nouveau 1:1.0.2-0ubuntu1 amd64 X.Org X server -- Nouveau display driver ii xserver-xorg-video-openchrome 1:0.3.1-0ubuntu1 amd64 X.Org X server -- VIA display driver ii xserver-xorg-video-qxl 0.0.18~gitde66207-0ubuntu1 amd64 X.Org X server -- QXL display driver ii xserver-xorg-video-r128 6.8.4-0ubuntu1 amd64 X.Org X server -- ATI r128 display driver ii xserver-xorg-video-radeon 1:6.99.99~git20120913.8637f772-0ubuntu1 amd64 X.Org X server -- AMD/ATI Radeon display driver ii xserver-xorg-video-s3 1:0.6.5-0ubuntu1 amd64 X.Org X server -- legacy S3 display driver ii xserver-xorg-video-savage 1:2.3.6-0ubuntu1 amd64 X.Org X server -- Savage display driver ii xserver-xorg-video-siliconmotion 1:1.7.7-0ubuntu1 amd64 X.Org X server -- SiliconMotion display driver ii xserver-xorg-video-sis 1:0.10.7-0ubuntu1 amd64 X.Org X server -- SiS display driver ii xserver-xorg-video-sisusb 1:0.9.6-0ubuntu1 amd64 X.Org X server -- SiS USB display driver ii xserver-xorg-video-tdfx 1:1.4.5-0ubuntu1 amd64 X.Org X server -- tdfx display driver ii xserver-xorg-video-trident 1:1.3.6-0ubuntu1 amd64 X.Org X server -- Trident display driver ii xserver-xorg-video-vesa 1:2.3.2-0ubuntu1 amd64 X.Org X server -- VESA display driver ii xserver-xorg-video-vmware 1:12.0.2+git.e5ac80d8-0ubuntu1 amd64 X.Org X server -- VMware display driver mation: ** Affects: xorg-server (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1057713 Title: in kvm-spice X exits with assertion in dixPrivatesSize To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1057713/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp