<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][BAT] igt@kms_chamelium@hdmi-crc|cmp-* - fail - Chamelium RPC call failed: RPC failed at server. <class 'chameleond.devices.input_flow.InputFlowError'>:Video input not stable" href="https://bugs.freedesktop.org/show_bug.cgi?id=109635#c24">Comment # 24</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][BAT] igt@kms_chamelium@hdmi-crc|cmp-* - fail - Chamelium RPC call failed: RPC failed at server. <class 'chameleond.devices.input_flow.InputFlowError'>:Video input not stable" href="https://bugs.freedesktop.org/show_bug.cgi?id=109635">bug 109635</a> from <a class="email" href="mailto:contact@emersion.fr" title="emersion <contact@emersion.fr>"> emersion</a> <pre>Here are the Chamelium logs: 2018-06-04 10:34:38,691 INFO Apply EDID #1185 to port #1 2018-06-04 10:34:38,722 INFO Plug port #1 2018-06-04 10:34:39,827 INFO Select FpgaInputFlow #1. 2018-06-04 10:34:39,832 INFO Initialize FpgaInputFlow #1. 2018-06-04 10:34:39,939 INFO Initialize DisplayPort RX chip. 2018-06-04 10:34:44,983 WARNING Timeout on waiting for condition IsVideoInputStable == True 2018-06-04 10:34:44,983 INFO Send DP HPD pulse to reset source... 2018-06-04 10:34:50,096 WARNING Timeout on waiting for condition IsVideoInputStable == True 2018-06-04 10:34:50,098 ERROR DP FSM failed Here are some excerpts of the kernel logs: <4> [821.574471] snd_hda_codec_hdmi hdaudioC0D2: HDMI: pin nid 5 not registered <3> [834.609638] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun <3> [834.783652] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun <3> [834.791391] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe C FIFO underrun This looks like a genuine driver bug. User impact: screen stays black after plugging in a monitor. I don't know whether replugging the monitor helps.</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> </ul> </body> </html>