Bug has been resolved as of today in linux-git, will be backported to linux-stable, hopefully this can make it into a mainline ubuntu kernel but... how can we fix the install ISO?
https://bugzilla.kernel.org/show_bug.cgi?id=59841 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1241871 Title: 13.10 kernels (3.11.x) Fail to light up certain intel backlights Status in The Linux Kernel: Unknown Status in “linux” package in Ubuntu: Confirmed Bug description: Bug has been ongoing since 3.10-rc6 Certain UEFI laptops incorrectly report their BPP on their display, causing kernel modesetting to fail Full details see: https://bugzilla.kernel.org/show_bug.cgi?id=59841 Developers have refused to quirk the regression, causing no display on a a large number of systems. Upgraded installations will boot with no display, and the installer will have no display. --- ApportVersion: 2.12.5-0ubuntu2 Architecture: amd64 DistroRelease: Ubuntu 13.10 MarkForUpload: True Package: linux (not installed) Tags: saucy Uname: Linux 3.12.0-rc5-custom x86_64 UnreportableReason: The running kernel is not an Ubuntu kernel UpgradeStatus: Upgraded to saucy on 2013-10-17 (3 days ago) UserGroups: adm audio backup bluetooth bumblebee cdrom dip fuse lp lpadmin netdev plugdev sambashare scanner sudo vboxusers video To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1241871/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp