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    It *is* worth trying, Espressif just forgot to mention a necessary
    build config change.<br>
    <br>
    Details: <a
href="https://github.com/espressif/esp-idf/issues/2892#issuecomment-499184318">https://github.com/espressif/esp-idf/issues/2892#issuecomment-499184318</a><br>
    <br>
    I've created a test branch for this: <a
href="https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/commits/spiram-fix-test">https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/commits/spiram-fix-test</a><br>
    <br>
    I'm now running the new version on both my modules, and they seem to
    be very stable up to now. Not a single websocket data corruption
    yet.<br>
    <br>
    I'll publish the build to my "edge" users now.<br>
    <br>
    Regards,<br>
    Michael<br>
    <br>
    <br>
    <div class="moz-cite-prefix">Am 05.06.19 um 19:01 schrieb Michael
      Balzer:<br>
    </div>
    <blockquote type="cite"
      cite="mid:30ff0953-3a0d-feae-daa7-0908960c9db2@expeedo.de">
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      Not worth trying yet.<br>
      <br>
      It seems the toolchain libstdc++ hasn't been built with
      workaround, std::string is still broken.<br>
      <br>
      Regards,<br>
      Michael<br>
      <br>
      <br>
      <div class="moz-cite-prefix">Am 05.06.19 um 09:19 schrieb Mark
        Webb-Johnson:<br>
      </div>
      <blockquote type="cite"
        cite="mid:155DBE4D-BBA2-495E-9121-6EB611F227BE@webb-johnson.net">
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        FYI: Espressif have (finally) released a test toolchain for our
        PSRAM issue:
        <div class=""><br class="">
        </div>
        <blockquote style="margin: 0 0 0 40px; border: none; padding:
          0px;" class="">
          <div class=""><a
              href="https://github.com/espressif/esp-idf/issues/2892"
              class="" moz-do-not-send="true">https://github.com/espressif/esp-idf/issues/2892</a></div>
          <div class=""><br class="">
          </div>
          <div class=""><a
href="https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-1.22.0-90-g26d9621-5.2.0-psramfix-20190605.tar.gz"
              class="" moz-do-not-send="true">Linux</a></div>
          <div class=""><a
href="https://dl.espressif.com/dl/xtensa-esp32-elf-win32-1.22.0-90-g26d9621-5.2.0-psramfix-20190605.tar.gz"
              class="" moz-do-not-send="true">Windows</a></div>
          <div class=""><a
href="https://dl.espressif.com/dl/xtensa-esp32-elf-macos-1.22.0-90-g26d9621-5.2.0-psramfix-20190605.tar.gz"
              class="" moz-do-not-send="true">OSX</a></div>
        </blockquote>
        <div class=""><br class="">
        </div>
        <div class="">Apparently, we need to include the following
          flags:</div>
        <div class=""><br class="">
        </div>
        <blockquote style="margin: 0 0 0 40px; border: none; padding:
          0px;" class="">
          <div class="">
            <pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 11.899999618530273px; margin-bottom: 16px; margin-top: 0px; word-wrap: normal; background-color: rgb(246, 248, 250); border-top-left-radius: 3px; border-top-right-radius: 3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px; line-height: 1.45; overflow: auto; padding: 16px; caret-color: rgb(36, 41, 46); color: rgb(36, 41, 46);" class=""><code style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: transparent; border-top-left-radius: 3px; border-top-right-radius: 3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px; margin: 0px; padding: 0px; border: 0px; word-break: normal; display: inline; line-height: inherit; overflow: visible; word-wrap: normal;" class="">CFLAGS+=-mfix-esp32-psram-cache-dupldst
CXXFLAGS+=-mfix-esp32-psram-cache-dupldst</code></pre>
          </div>
        </blockquote>
        <div class=""><br class="">
        </div>
        <div class="">This is a preliminary test fix only, so not for
          general release, but worth trying.</div>
        <div class=""><br class="">
        </div>
        <div class="">Regards, Mark</div>
        <div class=""><br class="">
        </div>
        <br>
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      <br>
      <pre class="moz-signature" cols="160">-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
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    <br>
    <pre class="moz-signature" cols="160">-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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