Description of problem:
Dimming the display on MacBook Pro 13" 5,5 works perfectly before suspend. With the buttons (f1,f2) and automatically when unplugging power cable. Using stock F13 rawhide as of today (Tue May 11 18:31:43 UTC 2010). I'm using the nouveau driver.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. try to modify the display brightness with buttons and by unplugging power cord and reattaching again
2. see the dimming work
3. suspend the system by closing the lid
4. resume the system by opening the lid
5. try to modify the brightness again (either buttons or unplugging cord)
No more dimming.
Gnome does detect the display dimming key presses (f1,f2) and shows the "progress" bar indicating the dimming of the display but the display doesn't actually get dimmed.
How can I better debug this? Let me know if you need me to do anything to get more information.
Smells like a kernel problem, no?
Could well be. Moving it over to the nouveau component for further debugging.
This bug appears to have been reported against 'rawhide' during the Fedora 14 development cycle.
Changing version to '14'.
More information and reason for this action is here:
*** This bug has been marked as a duplicate of bug 582664 ***