2018-08-02 02:46:16

by Sergey Senozhatsky

[permalink] [raw]
Subject: [linux-next] DDC responded, but no EDID for %s errors

Hi,

My dmesg is filled up with these errors

nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for HDMI-A-1
nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for HDMI-A-1
nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[..]
nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[..]

Basically, a message every 10s or so. Any chance we can make them
go away?

-ss


2018-09-06 02:44:43

by Sergey Senozhatsky

[permalink] [raw]
Subject: Re: [linux-next] DDC responded, but no EDID for %s errors

On (08/02/18 11:46), Sergey Senozhatsky wrote:
> Hi,
>
> My dmesg is filled up with these errors
>
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for HDMI-A-1
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for HDMI-A-1
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [..]
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [..]
>
> Basically, a message every 10s or so. Any chance we can make them
> go away?

A gentle ping?

It literally floods my logbuf with that "DRM: DDC responded, but no EDID
for VGA-1" thing.

name -a
4.19.0-rc2-dbg-00118-gb9a3bad8af2d

$ dmesg | tail -42
[ 3615.796938] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3626.036865] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3636.276878] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3646.516866] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3656.756750] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3666.996949] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3677.236884] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3687.476865] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3697.716858] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3707.956934] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3718.196925] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3728.436884] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3738.676861] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3748.916731] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3759.156754] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3769.396861] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3779.636826] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3789.876892] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3800.116686] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3810.356926] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3820.596887] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3830.836909] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3841.076932] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3851.316681] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3861.556926] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3871.796869] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3882.036750] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3892.276836] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3902.516803] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3912.756640] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3922.996957] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3933.236700] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3943.476851] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3953.716928] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3963.956915] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3974.196861] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3984.436928] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 3994.676885] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 4004.917030] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 4015.156935] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 4025.396872] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
[ 4035.636877] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1

-ss

2018-09-06 02:48:27

by Ben Skeggs

[permalink] [raw]
Subject: Re: [linux-next] DDC responded, but no EDID for %s errors

On Thu, Sep 6, 2018 at 12:42 PM Sergey Senozhatsky
<[email protected]> wrote:
>
> On (08/02/18 11:46), Sergey Senozhatsky wrote:
> > Hi,
> >
> > My dmesg is filled up with these errors
> >
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for HDMI-A-1
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for HDMI-A-1
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > [..]
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > [..]
> >
> > Basically, a message every 10s or so. Any chance we can make them
> > go away?
>
> A gentle ping?
I've got patches queued in my tree to resolve this, I will get them to
drm-fixes shortly.

Ben.

>
> It literally floods my logbuf with that "DRM: DDC responded, but no EDID
> for VGA-1" thing.
>
> name -a
> 4.19.0-rc2-dbg-00118-gb9a3bad8af2d
>
> $ dmesg | tail -42
> [ 3615.796938] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3626.036865] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3636.276878] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3646.516866] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3656.756750] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3666.996949] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3677.236884] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3687.476865] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3697.716858] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3707.956934] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3718.196925] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3728.436884] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3738.676861] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3748.916731] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3759.156754] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3769.396861] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3779.636826] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3789.876892] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3800.116686] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3810.356926] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3820.596887] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3830.836909] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3841.076932] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3851.316681] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3861.556926] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3871.796869] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3882.036750] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3892.276836] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3902.516803] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3912.756640] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3922.996957] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3933.236700] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3943.476851] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3953.716928] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3963.956915] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3974.196861] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3984.436928] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 3994.676885] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 4004.917030] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 4015.156935] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 4025.396872] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> [ 4035.636877] nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
>
> -ss

2018-09-06 02:53:41

by Sergey Senozhatsky

[permalink] [raw]
Subject: Re: [linux-next] DDC responded, but no EDID for %s errors

On (09/06/18 12:46), Ben Skeggs wrote:
> On Thu, Sep 6, 2018 at 12:42 PM Sergey Senozhatsky
> <[email protected]> wrote:
> >
> > On (08/02/18 11:46), Sergey Senozhatsky wrote:
> > > Hi,
> > >
> > > My dmesg is filled up with these errors
> > >
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for HDMI-A-1
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for HDMI-A-1
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > > [..]
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > > nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for VGA-1
> > > [..]
> > >
> > > Basically, a message every 10s or so. Any chance we can make them
> > > go away?
> >
> > A gentle ping?
> I've got patches queued in my tree to resolve this, I will get them to
> drm-fixes shortly.

Thanks!

-ss