Bug#728668: linux-image-3.11-1-powerpc: nouveau kernel message every 10 seconds: E[ DRM] DDC responded, but no EDID for TV-1
On 11/04/2013 10:07 AM, Bastian Blank wrote:
> On Mon, Nov 04, 2013 at 09:11:30AM -0500, Daniel Kahn Gillmor wrote:
>> On 11/04/2013 05:01 AM, Bastian Blank wrote:
>>> Do you have something connected to the TV-1 output?
>> As far as i know, there is no TV-1 output. It's this style of machine:
>> https://upload.wikimedia.org/wikipedia/commons/thumb/5/58/IMac_G4_sunflower7.png/250px-IMac_G4_sunflower7.png
>> I don't think the built-in monitor (1440×900px) would be considered
>> connected to TV-1 for a machine like this.
>
> Nope. It is most likely connected via LVDS.
>
> There is a workaround available:
> Add the parameter tv_disable=1 to nouveau,
> - either somewhere in /etc/modprobe.d
> | options nouveau tv_disable=1
> or
> - on the kernel command line
> | nouveau.tv_disable=1
hm. I have tried both of these, and the kernel is still printing an
error message every 10 seconds:
0 root@omega:~# cat /sys/module/nouveau/parameters/tv_disable
1
0 root@omega:~# dmesg | tail
[ 19.586460] nouveau E[ DRM] DDC responded, but no EDID for TV-1
[ 38.398826] nouveau E[ DRM] DDC responded, but no EDID for TV-1
[ 48.446712] nouveau E[ DRM] DDC responded, but no EDID for TV-1
[ 58.494666] nouveau E[ DRM] DDC responded, but no EDID for TV-1
[ 68.542632] nouveau E[ DRM] DDC responded, but no EDID for TV-1
[ 78.590642] nouveau E[ DRM] DDC responded, but no EDID for TV-1
[ 88.638636] nouveau E[ DRM] DDC responded, but no EDID for TV-1
[ 98.686654] nouveau E[ DRM] DDC responded, but no EDID for TV-1
[ 108.734669] nouveau E[ DRM] DDC responded, but no EDID for TV-1
[ 118.782642] nouveau E[ DRM] DDC responded, but no EDID for TV-1
0 root@omega:~#
any other suggestions?
i note that there is also /sys/modules/nouveau/pramaeters/tv_norm,
though i don't know what it is supposed to do.
--dkg
Reply to: