On Fri, 15 Feb 2013 12:41:51 +0100, Chris Wilson
<email address hidden> wrote:
> It is not a driver issue, but an unhelpful KVM switch that doesn't
> trigger a hotplug event on change and marks the display as unconnected
> when switched away.
>
> echo 0 > /sys/modules/drm_kms_helper/parameters/poll
>
> will fix most of the observed behaviour.
>
> ** Changed in: xserver-xorg-video-intel (Ubuntu)
> Status: Confirmed => Invalid
>
Be that as it may, it was only introduced by 12.04/Precise. Before that I
didn't have any problem; so something changed to break how it works. That
still counts as a bug to me.
On Fri, 15 Feb 2013 12:41:51 +0100, Chris Wilson
<email address hidden> wrote:
> It is not a driver issue, but an unhelpful KVM switch that doesn't drm_kms_ helper/ parameters/ poll xorg-video- intel (Ubuntu)
> trigger a hotplug event on change and marks the display as unconnected
> when switched away.
>
> echo 0 > /sys/modules/
>
> will fix most of the observed behaviour.
>
> ** Changed in: xserver-
> Status: Confirmed => Invalid
>
Be that as it may, it was only introduced by 12.04/Precise. Before that I
didn't have any problem; so something changed to break how it works. That
still counts as a bug to me.