On Sat, Jun 22, 2013 at 11:07:27PM -0000, Savio wrote: > I have Dell inspiron with Intel core I3 and Intel HD graphics with ubuntu. > 13.04 . > I tried setting acpi_backlight=vendor but no help > but setting acpi = off works but no touchpad support > > setting brightness manually in /sys/class/backlight/dell_ brightness/ > current* to 1 works and also changing this setting multiple times works > great
This is actually a kernel bug (actually a firmware bug specific to your machine) that is supposed to be fixed upstream by now (by just disabling the interface for the firmware backlight driver). I think the fix will be available starting from 3.10. For more info, see https://bugzilla.kernel.org/show_bug.cgi?id=57571 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1007765 Title: brightness adjusting crashes system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1007765/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
