qwach, yes this was documented in https://wiki.ubuntu.com/PrecisePangolin/ReleaseNotes/UbuntuDesktop#LTS_Hardware_Enablement_Stack .
Despite this, the next step is to perform a bisection between quantal (or enabled Precise) and Raring, in order to identify the commit that caused this regression. Could you please dot his following https://wiki.ubuntu.com/Kernel/KernelBisection ? ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1208216 Title: 8086:0166 [Lenovo G580 2189] Black screen without "nomodeset" boot option To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1208216/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
