If you want the fix and still want to stick with version 18.04 then you should get it by installing 18.04.2 instead:
http://releases.ubuntu.com/18.04/ Alternatively you can install the HWE packages, but I don't have instructions prepared for how to do that reliably. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server-hwe-18.04 in Ubuntu. https://bugs.launchpad.net/bugs/1839174 Title: Xorg crashes in stdio functions under pci_device_vgaarb_set_target() from VGAGet() from VGAarbiterSpriteMoveCursor() To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1839174/+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