On Sun, Jun 23, 2013 at 04:59:03AM -0000, Savio wrote: > Thats help, but adding this line in /etc/rc.local before exit 0 statement > making brigthness hotkey unusable.
This couldn't be caused by disabling nmi_watchdog; this is totally unrelated. My guess is that you've booted the system with acpi_backlight=vendor which disabled the ACPI backlight interface (/sys/class/backlight/acpi_video0), and enabled the interface for the vendor backlight driver (e.g., /sys/class/backlight/dell_backlight) which won't be picked up by X, because it's not hard-coded to use it. So, you ended up with no backlight interface for X to use. That's why the hotkeys seem to be not working. Try booting the kernel without acpi_backlight=vendor, while disabling nmi_watchdog from /etc/rc.local as before, and let's see what would happen. > will adding this > Section "Device" > Identifier "Intel Graphics" > Driver "intel" > Option "AccelMethod" "sna" > Option "Backlight" "intel_backlight" > Identifier "Card0" > Driver "intel" > BusID "PCI:0:2:0" > EndSection Yes, I think this would help, but I haven't tried it before. -- 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
