Yeah, I tried acpi_backlight=vendor on both Ubuntu and Xubuntu 13.04 x64 during and after the install and it worked successfully. Maybe this issue should be added to the Ubuntu 13.04 Release Notes page: https://wiki.ubuntu.com/RaringRingtail/ReleaseNotes
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1171192 Title: [snb] More HP acpi_backlight woes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1171192/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs