[Nouveau] NV86 (Quadro NVS 140M) errors in dmesg

[Stephane Marchesin]

On 8/2/08, Jasper Bryant-Greene <jasper at amiton.co.nz> wrote:
> On Sat, 2008-08-02 at 10:02 +1000, Ben Skeggs wrote:
>  > Am Samstag, den 02.08.2008, 10:20 +1200 schrieb Jasper Bryant-Greene:
>
> > > [   22.586502] [drm:nouveau_graph_trapped_channel] *ERROR* AIII,
>  > > invalid/inactive channel id 128
>  > > [   22.586509] [drm] PGRAPH_ERROR - nSource: PROTECTION_ERROR, nStatus:
>  > > [   22.586513] [drm] PGRAPH_ERROR - Ch -1/0 Class 0x0000 Mthd 0x0000
>  > > Data 0x00000000:0x00000000
>  > That's a bug - I see it on my FX570M, it'll only happen on first X
>  > start.  Will look into it when it annoys me enough.
>
>
> OK, let me know if you need any details from me when you get around to
>  looking at this. It doesn't seem to actually cause any problems.
>
>  Also, is there any way to force the DPI with nouveau? I'm specifying
>
>   -dpi 96
>
>  ... on the X command line, but I still see
>
>   (**) NOUVEAU(0): DPI set to (129, 203)
>

Your panel size should be reported in the X.Org log, check that it is correct.

>  ... in the Xorg.0.log, and the font sizes are all weird in X. With the
>  nvidia binary driver I used to have to use
>
>   Option DPI "96 x 96"
>
>  ... in xorg.conf - is there something similar with nouveau?
>
>  I'm guessing its my laptop panel reporting incorrect values for
>  something, but I still need to work around it :)
>

You can use the xrandr utility to force the panel size/dpi value.

Stephane