Re: nouveau: NVIDIA GeForce 6800 works well in DVI but not in VGA

[Frédéric Fauberteau <triaxx%NetBSD.org@localhost>]

Le 2018-12-29 22:49, Frédéric Fauberteau a écrit :
> Le 2018-12-29 17:23, Frédéric Fauberteau a écrit :
> > Hi,
> >
> > Thanks for the work on nouveau that works fine for me now.
> >
> > I have just a glitch (diagonal noise of dotted line) when the card is
> > plugged through VGA cable.
> >
> > I would identify the problem but I have no idea where and how to start
> > investigation. Any help would be gratefully appreciated.
> >
> > # pcictl /dev/pci0 list | grep NVIDIA
> > 001:00:0: NVIDIA GeForce 6800 (VGA display, revision 0xa1)
> >
> > [   1.0000000] NetBSD 8.99.29 (DEBUG) #0: Sat Dec 29 14:12:14 UTC 2018
> > [   1.0000000]  root@lurker:/usr/obj/sys/arch/i386/compile/DEBUG
> > [...]
> > [   1.0074185] nouveau0 at pci1 dev 0 function 0: vendor 10de product
> > 0041 (rev. 0xa1)
> > [   1.0074185] nouveau0: info: NVIDIA NV40 (440100a1)
>
> Ok, by looking at the xorg log, I noticed that my kernel is brand new
> but my packages are not.
>
> It rebuild them and I give feedback after.
>
> [   730.944] Build Operating System: NetBSD-7.1.2-i386 The NetBSD 
> Foundation
> [   730.946] Current Operating System: NetBSD lurker 8.99.29 NetBSD
> 8.99.29 (DEBUG)

Hmm... Actually, the glitch occurs at boot time when display switch from 
low to high resolution. The problem is not related to Xorg, nevertheless 
its log can help to understand the actual config.