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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - PulseAudio startup fails with Assertion '!i->thread_info.attached' failed at pulsecore/sink-input.c:2304, function pa_sink_input_attach(). Aborting."
   href="https://bugs.freedesktop.org/show_bug.cgi?id=100065">100065</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>PulseAudio startup fails with Assertion '!i->thread_info.attached' failed at pulsecore/sink-input.c:2304, function pa_sink_input_attach(). Aborting.
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>PulseAudio
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>core
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>pulseaudio-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>manuel.jr16@gmail.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>pulseaudio-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>lennart@poettering.net
          </td>
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        <pre>Created <span class=""><a href="attachment.cgi?id=130068" name="attach_130068" title="PulseAudio startup log">attachment 130068</a> <a href="attachment.cgi?id=130068&action=edit" title="PulseAudio startup log">[details]</a></span>
PulseAudio startup log

After editing the default.pa file to use my multichannel usb soundcard as
multiple stereo outputs, PulseAudio refuses to start. The pulseaudio -vv output
is attached.

Below my additions to the default.pa file (default provided by the standard
fedora 25 installation):

.nofail
load-module module-remap-sink sink_name=Main remix=no
master=alsa_output.usb-MOTU_MicroBookII-00.multichannel-output channels=2
master_channel_map=front-left,front-right channel_map=front-left,front-right

load-module module-remap-sink sink_name=Line remix=no
master=alsa_output.usb-MOTU_MicroBookII-00.multichannel-output channels=2
master_channel_map=rear-left,rear-right channel_map=front-left,front-right

update-sink-proplist Main device.description="Microbook Main"
update-sink-proplist Line device.description="Microbook Line"</pre>
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