same problem with Xubuntu 18.04.3 64bit 5.0.0-25-generic + ppa:xubuntu- dev/staging (on machines with Intel GPU)
- not help update Mesa to 19.0.8-0ubuntu0~18.04.1 from ppa:ubuntu-x-swat/updates - only help disabling Compositor in xfwm4-tweaks-settings as workaround -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1835622 Title: Cannot start desktop session with compositor enabled Status in Xfwm4: Invalid Status in mesa package in Ubuntu: New Status in xfwm4 package in Ubuntu: Invalid Bug description: I cannot login to the Xfce desktop session anymore. in ~/.xsession- errors there's the message: xfwm4: ../src/mesa/drivers/dri/i965/intel_mipmap_tree.c:1285: intel_miptree_match_image: Assertion `image->TexObject->Target == mt->target' failed. Earlier today Mesa was upgraded via bionic-updates from 18.2 to 19.0. I'm running Xubuntu 18.04 and I'm also using the Xubuntu Staging PPA with xfwm4 4.13.3 To manage notifications about this bug go to: https://bugs.launchpad.net/xfwm4/+bug/1835622/+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