<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    Well the hardware is working fine as far as I can see.<br>
    <br>
    Can you try to kill the X server over SSH and see if you then get
    some screen update?<br>
    <br>
    Regards,<br>
    Christian.<br>
    <br>
    <div class="moz-cite-prefix">Am 31.03.21 um 16:52 schrieb Alberto
      Salvia Novella:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAHJvkbvH+yf-O04Jj9CURjaFfaYE9CSzqBQPe5oPuy5U_f3hag@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr"><a
href="https://bin.privacytools.io/?0f3d7caa23b99655#CvUAikkFYSdQ9XixPHvBe7ebfaQ7nXcFVBhXAotYMPrG"
          moz-do-not-send="true">Output</a>.<br>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Wed, 31 Mar 2021 at 16:36,
          Christian König <<a href="mailto:christian.koenig@amd.com"
            moz-do-not-send="true">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> Mhm strange.<br>
            <br>
            Can you get me the output of "sudo cat
            /sys/kernel/debug/dri/0/radeon_fence_info" when the problem
            happens?<br>
            <br>
            Thanks,<br>
            Christian.<br>
            <br>
            <div>Am 31.03.21 um 16:33 schrieb Alberto Salvia Novella:<br>
            </div>
            <blockquote type="cite">
              <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://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbin.privacytools.io%2F%3F5a0bf22220398549%23D8SPwPEh8A5BuKN6TkU78gAgEPgrUok4fCjcaucSEnyy&data=04%7C01%7Cchristian.koenig%40amd.com%7C48392451d33d4b63e5f208d8f45204d7%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637527980411072897%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=1jQLb8pO7eJYTORNisjequdWSCoKPsrrv7y%2F4U%2BojLM%3D&reserved=0"
                    target="_blank" moz-do-not-send="true">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"
                    target="_blank" moz-do-not-send="true">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" moz-do-not-send="true">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%7C48392451d33d4b63e5f208d8f45204d7%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637527980411072897%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=UTefQjeEYVrJto%2FqBlna%2FQKihbJe2HQG%2BczlZViFPDY%3D&reserved=0"
                              target="_blank" moz-do-not-send="true">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"
                                    moz-do-not-send="true">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"
                                            moz-do-not-send="true">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"
                                                    moz-do-not-send="true">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" moz-do-not-send="true">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" moz-do-not-send="true">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%7C48392451d33d4b63e5f208d8f45204d7%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637527980411082891%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=5HXXJnOGGnEYSV%2BY%2FyWu031sE4CxFTKS2QqcKvlhhPs%3D&reserved=0" target="_blank" moz-do-not-send="true">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>
            </blockquote>
            <br>
          </div>
        </blockquote>
      </div>
    </blockquote>
    <br>
  </body>
</html>