HPD flood warning since b8f102e8b

Jiri Kosina jkosina at suse.cz
Thu Oct 24 09:08:10 CEST 2013


On Mon, 21 Oct 2013, Egbert Eich wrote:

>  > On Thu, 3 Oct 2013, Daniel Vetter wrote:
>  > 
>  > > Can you please attach full dmesg from boot up to the first WARN with
>  > > drm.debug=0xe? This really shouldn't happen and indicates a bug
>  > > somewhere ...
>  > 
>  > A bit difficult ... I originally thought that it was reliably 
>  > reproducible, but now I didn't get it after 10 suspend/resume cycles. Will 
>  > keep following it, and once it appears, will send you the dmesg.
>  > 
> Could you check if you get any messages regarding HPD storms after 
> suspend/resume ie messages like:
> "[drm] HPD interrupt storm detected on connector HDMI-A-1"
> but without the annouing warn messages?

I have this:

[357128.184113] [drm] HPD interrupt storm detected on connector DP-3: switching from hotplug detection to polling

It appeared in the log approximately 5 seconds after resume has been 
completed.

Thanks,

-- 
Jiri Kosina
SUSE Labs


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