https://bugzilla.kernel.org/show_bug.cgi?id=46181
Summary: No Brightness control-nouveau Product: Drivers Version: 2.5 Kernel Version: 3.4.9-1-ARCH Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) AssignedTo: drivers_video-dri@kernel-bugs.osdl.org ReportedBy: jujojujo_2003@yahoo.co.in Regression: No
I completely have no brightness control on my laptop(M17 r3 3D verison). dmesg log is spammed with the following message every few seconds , [ 589.813022] Raw EDID: [ 589.813032] 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.813037] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.813041] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.813045] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.813050] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.813054] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.813058] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.813062] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 589.815666] Raw EDID: [ 589.815669] 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.815673] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.815677] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.815682] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.815686] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.815690] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.815695] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.815699] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 589.818304] Raw EDID: [ 589.818308] 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.818312] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.818316] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.818321] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.818325] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.818329] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.818333] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.818337] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 589.820946] Raw EDID: [ 589.820949] 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.820953] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.820958] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.820962] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.820966] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.820970] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.820975] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 589.820979] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 589.820987] nouveau 0000:01:00.0: eDP-1: Ignoring invalid EDID block 1.