<div dir="ltr"><div>- The computer still replies to <b>ping</b>.</div><div>- The <b>journal</b> shows no errors, but a few <a href="https://bin.privacytools.io/?5a0bf22220398549#D8SPwPEh8A5BuKN6TkU78gAgEPgrUok4fCjcaucSEnyy">warnings</a>.</div><div>- The <b>mouse</b> doesn't freeze.<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 31 Mar 2021 at 10:09, Christian König <<a href="mailto:christian.koenig@amd.com">christian.koenig@amd.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">

  
  <div>
    Can you access the system over the network and see if there is
    anything in the system log?<br>
    <br>
    It sounds like the display stack has crashed, but when the sound
    keeps playing the system is most likely still responsive over
    network.<br>
    <br>
    Thanks,<br>
    Christian.<br>
    <br>
    <div>Am 31.03.21 um 10:05 schrieb Alberto
      Salvia Novella:<br>
    </div>
    <blockquote type="cite">
      
      <div dir="ltr">
        <div>What happens is this simple: after a few minutes, about 6
          or so, the entire content of the screen stays still. In some
          minor situations only the applications panel of KDE Plasma.</div>
        <div><br>
        </div>
        <div>If music is playing it continues playing, so only graphics
          are hung. Yet in most cases the power button won't shut down
          the computer, as it usually does.<br>
        </div>
        <div><br>
        </div>
        <div>At least this is the case using kwin on x11, and not on
          wayland. It only happens on "radeon" and not on Intel or
          "radeonhd".</div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Wed, 31 Mar 2021 at 09:48,
          Christian König <<a href="mailto:christian.koenig@amd.com" target="_blank">christian.koenig@amd.com</a>>
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div> Correct, but a TV is intended for videos only. That's
            why it implements only the lower HDMI standard.<br>
            <br>
            Interlaced transmits only halve the lines with each frame,
            so a 60Hz mode effectively either becomes a 30Hz mode,
            halving the vertical resolution or adaptive motion
            compensated which the know visual artifacts. Depending on
            what the deinterlacing setting on your TV is.<br>
            <br>
            You could just add a progressive 1920x540@60 or 1920x1080@30
            mode manually and would have the same effect with probably
            better quality. See <a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fde.wikipedia.org%2Fwiki%2FDeinterlacing&data=04%7C01%7Cchristian.koenig%40amd.com%7Ccf4929c9c3024efb7c4608d8f41bc0d0%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637527747331540923%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=7dTqbjDCQaDTGcXA3yt8jKzSnT%2BrqcdkMhukqyOGwg0%3D&reserved=0" target="_blank">https://de.wikipedia.org/wiki/Deinterlacing</a>
            for reference.<br>
            <br>
            If you can give us some more information what is happening
            when the system freeze we could try to narrow this down, but
            we can't spend much time on a very specific use case in a
            driver which is in maintenance mode.<br>
            <br>
            Regards,<br>
            Christian.<br>
            <br>
            <div>Am 31.03.21 um 09:21 schrieb Alberto Salvia Novella:<br>
            </div>
            <blockquote type="cite">
              <div dir="ltr">
                <div>24fps is intended for video only. Anything
                  interactive at 24fps, as just moving the mouse around,
                  is extremely choppy.</div>
                <div><br>
                </div>
                <div>No way anyone would prefer that over an interlaced
                  resolution or a lower resolution. That is, by far, the
                  worst option.</div>
                <div><br>
                </div>
                <div>Just try it on your screen, set it to 24Hz or
                  alike, and tell me your experience. You can't even
                  tell where the mouse is going to go.<br>
                </div>
              </div>
              <br>
              <div class="gmail_quote">
                <div dir="ltr" class="gmail_attr">On Wed, 31 Mar 2021 at
                  08:44, Christian König <<a href="mailto:christian.koenig@amd.com" target="_blank">christian.koenig@amd.com</a>>
                  wrote:<br>
                </div>
                <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                  <div> Hi Alberto,<br>
                    <br>
                    well a frame rate of 24Hz is perfectly reasonable
                    for a TV and desktop usage.<br>
                    <br>
                    This is probably caused by the TVs limited HDMI
                    bandwidth and a refresh rate of 30/25 Hz for the
                    interlaced mode isn't much better either.<br>
                    <br>
                    Regards,<br>
                    Christian.<br>
                    <br>
                    <div>Am 30.03.21 um 22:59 schrieb Alberto Salvia
                      Novella:<br>
                    </div>
                    <blockquote type="cite">
                      <div dir="ltr">
                        <div>The frame-rate at 24Hz is extremely poor
                          for normal desktop usage.<br>
                        </div>
                        <div><br>
                        </div>
                        <div>If the highest resolution, aka 1080p, uses
                          that refresh rate then the desktop will
                          default to that frame-rate.</div>
                        <div><br>
                        </div>
                        <div>Other progressive modes don't exhibit any
                          issue.<br>
                        </div>
                      </div>
                      <br>
                      <div class="gmail_quote">
                        <div dir="ltr" class="gmail_attr">On Tue, 30 Mar
                          2021 at 18:26, Christian König <<a href="mailto:christian.koenig@amd.com" target="_blank">christian.koenig@amd.com</a>>
                          wrote:<br>
                        </div>
                        <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                          <div> Hi Alberto,<br>
                            <br>
                            <blockquote type="cite">I think the driver
                              should only support resolutions that are <b>progressive</b>,
                              but also at least of <b>50Hz</b>.</blockquote>
                            <br>
                            Why do you think so?, the 24Hz resolution
                            seems to be the native one of the display.<br>
                            <br>
                            Regards,<br>
                            Christian.<br>
                            <br>
                            <div>Am 30.03.21 um 17:37 schrieb Alberto
                              Salvia Novella:<br>
                            </div>
                            <blockquote type="cite">
                              <div dir="ltr">
                                <div>This is why I'm using interlaced:<br>
                                </div>
                                <div><br>
                                </div>
                                <div>$ <b>xrandr</b><br>
                                  Screen 0: minimum 320 x 200, current
                                  1920 x 1080, maximum 8192 x 8192<br>
                                  DisplayPort-0 disconnected (normal
                                  left inverted right x axis y axis)<br>
                                  HDMI-0 connected primary 1920x1080+0+0
                                  (normal left inverted right x axis y
                                  axis) 16mm x 9mm<br>
                                     1920x<b>1080i</b>    60.00*+  50.00
                                     59.94  <br>
                                     1920x1080     <b>24.00</b>  
                                   23.98  <br>
                                     1280x<b>720</b>      60.00    50.00
                                     59.94  <br>
                                     1024x768      75.03    70.07  
                                   60.00  <br>
                                     832x624       74.55  <br>
                                     800x600       72.19    75.00  
                                   60.32    56.25  <br>
                                     720x576       50.00  <br>
                                     720x576i      50.00  <br>
                                     720x480       60.00    59.94  <br>
                                     720x480i      60.00    59.94  <br>
                                     640x480       75.00    72.81  
                                   66.67    60.00    59.94  <br>
                                     720x400       70.08  <br>
                                  DVI-0 disconnected (normal left
                                  inverted right x axis y axis)</div>
                                <div><br>
                                </div>
                                <div>I think the driver should only
                                  support resolutions that are <b>progressive</b>,
                                  but also at least of <b>50Hz</b>.<br>
                                </div>
                              </div>
                              <br>
                              <div class="gmail_quote">
                                <div dir="ltr" class="gmail_attr">On
                                  Tue, 30 Mar 2021 at 15:41, Christian
                                  König <<a href="mailto:ckoenig.leichtzumerken@gmail.com" target="_blank">ckoenig.leichtzumerken@gmail.com</a>>
                                  wrote:<br>
                                </div>
                                <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                                  <div> Mhm, no idea why an interlaced
                                    resolution would cause a crash.
                                    Maybe some miscalculation in the
                                    display code.<br>
                                    <br>
                                    But apart from that if you just
                                    connected your PC to a TV I also
                                    wouldn't recommend using an
                                    interlaced resolution in the first
                                    place.<br>
                                    <br>
                                    See those resolutions only exists
                                    for backward compatibility with
                                    analog hardware.<br>
                                    <br>
                                    I think we would just disable those
                                    modes instead of searching for the
                                    bug.<br>
                                    <br>
                                    Regards,<br>
                                    Christian.<br>
                                    <br>
                                    <div>Am 30.03.21 um 11:07 schrieb
                                      Alberto Salvia Novella:<br>
                                    </div>
                                    <blockquote type="cite">
                                      <div dir="ltr">
                                        <div>I guessed so.</div>
                                        <div><br>
                                        </div>
                                        <div>The GPU is a Radeon HD5870,
                                          and the screen is an old
                                          Telefunken TV (TLFK22LEDPVR1).</div>
                                        <div><br>
                                        </div>
                                        <div>Since my real display got
                                          into repair I used this TV
                                          meanwhile, and to my surprise
                                          it froze the system.<br>
                                        </div>
                                      </div>
                                      <br>
                                      <div class="gmail_quote">
                                        <div dir="ltr" class="gmail_attr">On Tue, 30
                                          Mar 2021 at 10:15, Christian
                                          König <<a href="mailto:christian.koenig@amd.com" target="_blank">christian.koenig@amd.com</a>>
                                          wrote:<br>
                                        </div>
                                        <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi
                                          Alberto,<br>
                                          <br>
                                          well what hardware do you
                                          have?<br>
                                          <br>
                                          Interlaced resolutions are not
                                          used any more on modern
                                          hardware, so they <br>
                                          are not well tested.<br>
                                          <br>
                                          Regards,<br>
                                          Christian.<br>
                                          <br>
                                          Am 30.03.21 um 10:04 schrieb
                                          Alberto Salvia Novella:<br>
                                          > The entire desktop hangs
                                          after some minutes when using
                                          the module <br>
                                          > "radeon" with an
                                          interlaced resolution.<br>
                                          ><br>
                                          > Easier to trigger by
                                          playing a video on Firefox, at
                                          least on kwin_x11. <br>
                                          > Wayland didn't exhibit
                                          the problem.<br>
                                          ><br>
                                          > Other display drivers,
                                          from different computers I
                                          have tried, didn't <br>
                                          > allow those interlaced
                                          resolutions all together. It
                                          seems they know <br>
                                          > there will be problems.<br>
                                          <br>
                                        </blockquote>
                                      </div>
                                      <br>
                                      <fieldset></fieldset>
                                      <pre>_______________________________________________
amd-gfx mailing list
<a href="mailto:amd-gfx@lists.freedesktop.org" target="_blank">amd-gfx@lists.freedesktop.org</a>
<a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Cchristian.koenig%40amd.com%7Ccf4929c9c3024efb7c4608d8f41bc0d0%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637527747331550917%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=5BcOM0IHbXdYbWjy1a7VQOFgbkFGoV0FMzbDmZe94l0%3D&reserved=0" target="_blank">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a>
</pre>
                                    </blockquote>
                                    <br>
                                  </div>
                                </blockquote>
                              </div>
                            </blockquote>
                            <br>
                          </div>
                        </blockquote>
                      </div>
                    </blockquote>
                    <br>
                  </div>
                </blockquote>
              </div>
            </blockquote>
            <br>
          </div>
        </blockquote>
      </div>
    </blockquote>
    <br>
  </div>

</blockquote></div>