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From: Antoine Tran <antoine.tran@thales-services.fr>
Subject: Recent Firefox 68 and chromium crash in X2go
To: "submit@bugs.x2go.org" <submit@bugs.x2go.org>
Message-ID: <c3e18341-50aa-a5dc-a47d-43444cb1614c@thales-services.fr>
Date: Fri, 9 Oct 2020 10:39:15 +0200
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Package: x2goserver
Version:x2goserver-4.1.0.3-3.el7.x86_64.rpm  <https://dl.fedoraproject.org/pub/epel/7/x86_64/Packages/x/x2goserver-4.1.0.3-3.el7.x86_64.rpm>
Tag: firefox chromium glx

Dear all,

We use in our project X2go from Windows 10 with x2goclient latest 
4.1.2.2 and that connects to docker image containing CentOs 7.8, 
x2goserver latest 4.1.0.3. We used Firefox 60.9.0 and it works quite 
well if we disable the hardware acceleration via about:config

pref("browser.tabs.remote.autostart", false);
pref("browser.tabs.remote.autostart.2", false);

But we upgraded to Firefox 68 with package from CentOs. I also tried 
Firefox 68 ESR and 78 ESR directly from firefox website. All of that 
crashed after some time, with symptoms like "Gah. Your tab just 
crashed." and some "ipc_channel_posix.cc, line 358" in console. Or 
sometime it just disappear. It happens when we resize the windows  of 
Firefox or after browsing a few seconds.

I also tried disabling hardware acceleration and setting number of 
process for tab management CSP to 1.

What is the relationship between X2go and this error? If I launch 
chromium, it is a bit more stable but right at the beginning, it 
complains the minimal version for glx required is 1.3, while we have 1.2 
in x2go environment. And it crashes too after a few browsing.

I have a big suspicion Firefox behave badly for the same reason. I know 
x2go provides a workaround: 
https://wiki.x2go.org/doku.php/wiki:development:glx-xlib-workaround . 
Which I haven't time to test yet.

My questions:

 1. Does anyone reproduce the same error? It is not normal to have two
    recent browser that crashes in an updated OS.
 2. Is-there an already built RPM containing the glx lib, so that we
    just do yum install something to have glx set to 1.4? I did not find
    one.

Antoine


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<html>
  <head>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <pre class="code">Package: x2goserver
Version: <a href="https://dl.fedoraproject.org/pub/epel/7/x86_64/Packages/x/x2goserver-4.1.0.3-3.el7.x86_64.rpm">x2goserver-4.1.0.3-3.el7.x86_64.rpm</a>
Tag: firefox chromium glx

Dear all,
</pre>
    <p class="code">We use in our project X2go from Windows 10 with
      x2goclient latest 4.1.2.2 and that connects to docker image
      containing CentOs 7.8, x2goserver latest 4.1.0.3. We used Firefox
      60.9.0 and it works quite well if we disable the hardware
      acceleration via <a class="moz-txt-link-freetext"
        href="about:config">about:config</a></p>
    <p class="code"><font color="#cc33cc">pref("browser.tabs.remote.autostart",
        false);<br>
        pref("browser.tabs.remote.autostart.2", false);</font><br>
    </p>
    <p class="code">But we upgraded to Firefox 68 with package from
      CentOs. I also tried Firefox 68 ESR and 78 ESR directly from
      firefox website. All of that crashed after some time, with
      symptoms like "Gah. Your tab just crashed." and some
      "ipc_channel_posix.cc, line 358" in console. Or sometime it just
      disappear. It happens when we resize the windows  of Firefox or
      after browsing a few seconds.</p>
    <p class="code">
    </p>
    <p class="code">I also tried disabling hardware acceleration and
      setting number of process for tab management CSP to 1.</p>
    <p class="code">What is the relationship between X2go and this
      error? If I launch chromium, it is a bit more stable but right at
      the beginning, it complains the minimal version for glx required
      is 1.3, while we have 1.2 in x2go environment. And it crashes too
      after a few browsing.</p>
    <p>I have a big suspicion Firefox behave badly for the same reason.
      I know x2go provides a workaround:
      <a class="moz-txt-link-freetext" href="https://wiki.x2go.org/doku.php/wiki:development:glx-xlib-workaround">https://wiki.x2go.org/doku.php/wiki:development:glx-xlib-workaround</a>
      . Which I haven't time to test yet.</p>
    <p>My questions:</p>
    <ol>
      <li>Does anyone reproduce the same error? It is not normal to have
        two recent browser that crashes in an updated OS.</li>
      <li>Is-there an already built RPM containing the glx lib, so that
        we just do yum install something to have glx set to 1.4? I did
        not find one.<br>
      </li>
    </ol>
    <p>Antoine<br>
    </p>
  </body>
</html>

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