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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - DisplayPort does not work with HDMI adapter on Ivy Bridge"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105601#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - DisplayPort does not work with HDMI adapter on Ivy Bridge"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105601">bug 105601</a>
from <span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span></b>
<pre>(In reply to Maxim from <a href="show_bug.cgi?id=105601#c4">comment #4</a>)
<span class="quote">> Hi again. Unfortunately, I still have issues with this. I have image on the
> monitor, but it goes black every couple of seconds or so for a second, thus
> impossible to work with. I have such lines in dmesg:
>
> [266394.619490] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7145003f
> [266394.622024] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7145003f
> [266394.624561] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7145003f
> [266394.627101] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7145003f
> [266394.629638] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7145003f
> [266394.632165] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7145003f
> [266394.634703] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7145003f
> [266394.637240] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7145003f
> [266394.637254] [drm:drm_dp_dpcd_access] Too many retries, giving up. First
> error: -110
> [266394.637266] [drm:drm_helper_probe_single_connector_modes]
> [CONNECTOR:72:DP-1] disconnected</span >
Those aren't directly related to the blinking. These are in fact normal
messages one would expect during hotplug processing. However they may be a
symptom of the dongle failing somehow and wiggling the hotplug line.
<span class="quote">>
> Can this be fixed or this adapter is impossible to work with?</span >
Can you do:
dmesg -C
wait until the display blink has happened a couple of times
dmesg
and attach the log from dmesg.</pre>
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