In perusing the dupe bugs, all are nouveau with software rendering. Several are using virtualbox but most are getting sw for some other reason.
** Changed in: xorg-server (Ubuntu) Importance: Critical => High ** Summary changed: - Xorg crashed with SIGABRT: exaMemcpyBox with src=0x0 - "Unhandled dwarf expression opcode 0xfa" + Xorg crashed with SIGABRT: exaMemcpyBox with src=0x0 on nouveau with SW rendering ** Changed in: xorg-server (Ubuntu) Milestone: None => ubuntu-12.10 -- 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/1033533 Title: Xorg crashed with SIGABRT: exaMemcpyBox with src=0x0 on nouveau with SW rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1033533/+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