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    <body><span class="vcard"><a class="email" href="mailto:david.henningsson@canonical.com" title="David Henningsson <david.henningsson@canonical.com>"> <span class="fn">David Henningsson</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED NOTOURBUG - PulseAudio crash caused by automatic deactivation of dedicated GPU's soundcard via vgaswicheroo"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=83446">bug 83446</a>
        <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEW
           </td>
           <td>RESOLVED
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         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>NOTOURBUG
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        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED NOTOURBUG - PulseAudio crash caused by automatic deactivation of dedicated GPU's soundcard via vgaswicheroo"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=83446#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED NOTOURBUG - PulseAudio crash caused by automatic deactivation of dedicated GPU's soundcard via vgaswicheroo"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=83446">bug 83446</a>
              from <span class="vcard"><a class="email" href="mailto:david.henningsson@canonical.com" title="David Henningsson <david.henningsson@canonical.com>"> <span class="fn">David Henningsson</span></a>
</span></b>
        <pre>From your log:

(   0.118|   0.000) D: [pulseaudio] alsa-mixer.c: Checking for playback on
Digital Stereo (HDMI) (hdmi-stereo)
(   0.118|   0.000) D: [pulseaudio] alsa-util.c: Trying hdmi:2 with
SND_PCM_NO_AUTO_FORMAT ...
(  53.036|   0.011) D: [pulseaudio] alsa-util.c: Managed to open hdmi:2
(  53.036|   0.000) D: [pulseaudio] alsa-util.c: Maximum hw buffer size is 371
ms
(  53.041|   0.004) D: [pulseaudio] alsa-util.c: Set buffer size first (to 3528
samples), period size second (to 441 samples).

It takes 52 seconds to just open the ALSA device "hdmi:2". I assume this is
what you mean with "the sound system hangs". And it is most definitely a kernel
problem, nothing we can do about that in PulseAudio.</pre>
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