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
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https://bugs.launchpad.net/bugs/988290
Title:
Resolution change with KVM switch on Precise
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