https://bugs.freedesktop.org/show_bug.cgi?id=36037

Johannes Obermayr johannesobermayr@gmx.de changed:

What |Removed |Added ---------------------------------------------------------------------------- Attachment #45356|0 |1 is obsolete| |

--- Comment #3 from Johannes Obermayr johannesobermayr@gmx.de 2011-04-07 07:27:13 PDT --- Created an attachment (id=45373) --> (https://bugs.freedesktop.org/attachment.cgi?id=45373) dmesg

(In reply to comment #2)

Looks like one of the pointers in radeon_legacy_backlight_get_brightness() is NULL, but I'm not sure which one that could be. Johannes, can you add some debugging output to see which one it is?

boot parameter: drm.debug=255 nomodeset 3 then a 'rmmod radeon' and finally a 'modprobe radeon'