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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [SNB] Blank screen after cycling HDMI receiver input"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100885#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [SNB] Blank screen after cycling HDMI receiver input"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100885">bug 100885</a>
from <span class="vcard"><a class="email" href="mailto:elizabethx.de.la.torre.mena@intel.com" title="Elizabeth <elizabethx.de.la.torre.mena@intel.com>"> <span class="fn">Elizabeth</span></a>
</span></b>
<pre>Hello Matt,
How are you connecting your PC to the receiver? Could you attach fresh dmesg
with latest kernel version?
>From dmesg last lines:
[ 106.035590] [drm:i915_hotplug_work_func [i915]] running encoder hotplug
functions
[ 106.035619] [drm:i915_hotplug_work_func [i915]] Connector HDMI-A-2 (pin 7)
received hotplug event.
[ 106.035644] [drm:intel_hdmi_detect [i915]] [CONNECTOR:42:HDMI-A-2]
[ 106.061028] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpd] NAK for addr:
0040 w(1)
[ 106.061042] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpd] NAK on first
message, retry
[ 106.061204] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpd] NAK for addr:
0040 w(1)
[ 106.061213] [drm:drm_rgb_quant_range_selectable [drm]] CEA VCDB 0xfb
[ 106.061219] [drm:drm_detect_monitor_audio [drm]] Monitor has basic audio
support
[ 106.061233] [drm:i915_hotplug_work_func [i915]] Connector DP-2 (pin 7)
received hotplug event.
[ 106.061245] [drm:intel_dp_detect [i915]] [CONNECTOR:44:DP-2]
[ 106.063706] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.066162] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.068618] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.071072] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.073525] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.075979] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.078433] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.080886] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.083339] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.085791] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.088247] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.090700] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.093152] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.095605] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.098057] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.100511] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.102969] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.105421] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.107875] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.110328] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.112782] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.115235] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.117687] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.120142] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.122595] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.125046] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.127500] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.129951] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.132406] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.134858] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.137311] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.139765] [drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x7143003f
[ 106.139772] [drm:drm_dp_dpcd_access [drm_kms_helper]] Too many retries,
giving up. First error: -110</pre>
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