<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [SKL] External monitor shows no signal after unplugging and plugging the cable back into dock" href="https://bugs.freedesktop.org/show_bug.cgi?id=101462#c11">Comment # 11</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [SKL] External monitor shows no signal after unplugging and plugging the cable back into dock" href="https://bugs.freedesktop.org/show_bug.cgi?id=101462">bug 101462</a> from <a class="email" href="mailto:ethan.hsieh@canonical.com" title="Ethan Hsieh <ethan.hsieh@canonical.com>"> Ethan Hsieh</a> <pre>Created <a href="attachment.cgi?id=132077" name="attach_132077" title="kernel log (plug in the cable after booting to ubuntu desktop)">attachment 132077</a> <a href="attachment.cgi?id=132077&action=edit" title="kernel log (plug in the cable after booting to ubuntu desktop)">[details]</a> kernel log (plug in the cable after booting to ubuntu desktop) Cannot reproduce this issue if I plug the cable into Dell Dock after booting to ubuntu desktop. And, the connector is always DP-4. [CONNECTOR:47:eDP-1]: Bulit-in LCD [CONNECTOR:79:DP-4]: The external monitor After unplugging and plugging in the cable back [CONNECTOR:47:eDP-1]: Bulit-in LCD [CONNECTOR:75:DP-4]: The external monitor [ 268.454256] [drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:79:DP-4] status updated from unknown to connected [ 346.125339] [drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:79:DP-4] status updated from connected to disconnected [ 391.887057] [drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:75:DP-4] status updated from unknown to connected</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>