I can confirm that tjaalton's above test packages fix the problem on a Skylake laptop with an i7-6700 CPU and an Nvidia 970m GPU when using the nouveau driver.
I installed libllvm3.8_3.8-2ubuntu1.1_amd64.deb from a VT then rebooted, and now I have working Unity again. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1564156 Title: xenial: invalid opcode when using llvmpipe To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1564156/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

