I can confirm this. When trying to assign the brightness keys to a keyboard shortcut the message: "The key you just pressed isn't supported by Qt" is displayed.
Since in Jaunty the /etc/acpi/sonybright.sh is removed so I can't change the backlight of my laptop with Kubuntu but in Ubuntu because later one supports my keys out of the box in guidance-power-manager. Changing the brightness in the KDE power plasmoid works fine so it is only a key problem. xev definitely shows my keys as supported: KeyRelease event, serial 35, synthetic NO, window 0x3000001, root 0xab, subw 0x0, time 999639, (-629,210), root:(458,235), state 0x0, keycode 232 (keysym 0x1008ff03, XF86MonBrightnessDown), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False KeyPress event, serial 35, synthetic NO, window 0x3000001, root 0xab, subw 0x0, time 1000020, (-629,210), root:(458,235), state 0x0, keycode 233 (keysym 0x1008ff02, XF86MonBrightnessUp), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False ** Summary changed: - k-d-s applies incorrect xmodmap that breaks macbook brightness keys + Several multimedia keys doesn't work in KDE 4 - The key you just pressed isn't supported by Qt -- Several multimedia keys doesn't work in KDE 4 - The key you just pressed isn't supported by Qt https://bugs.launchpad.net/bugs/293213 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs