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<p>Thank you for reporting this. There is a missing dependency on
the libxcb-xinerama0 package. Please install it with:</p>
<p> sudo apt install libxcb-xinerama0</p>
<p>and then try ChimeraX 1.2.5 again. This bug is also present in
the current Ubuntu 18.04 and 20.04 downloads. It will be fixed
within 24 hours.<br>
</p>
<p> -- Greg<br>
</p>
<div class="moz-cite-prefix">On 6/13/2021 7:31 AM, Zhou, Bing-Rui
(NIH/NCI) [E] via ChimeraX-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:5B43B4C4-1E00-40ED-9763-D75C694871FC@contoso.com">
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<p class="MsoNormal"><span style="font-size:11.0pt">Hello
ChimeraX developer,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I am trying
to update ChimeraX from v1.1 to v1.2.5 on a Ubuntu 16.04
Linux machine, but Chimerax v1.2.5 failed to start with the
following error message:
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt">></span>
</i><i><span style="font-size:11.0pt">sudo apt-get install
~/Downloads/ucsf-chimerax_1.2.5_amd64.deb<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt">>chimerax<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt">qt.qpa.plugin:
Could not load the Qt platform plugin "xcb" in "" even
though it was found.<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt">This
application failed to start because no Qt platform plugin
could be initialized. Reinstalling the application may fix
this problem.<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt">Available
platform plugins are: eglfs, linuxfb, minimal, minimalegl,
offscreen, vnc, wayland-egl, wayland,
wayland-xcomposite-egl, wayland-xcomposite-glx, xcb.<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt">Fatal
Python error: Aborted<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt">Current
thread 0x00007f5866636700 (most recent call first):<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt"> File
"/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/chimerax/ui/gui.py",
line 157 in __init__<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt"> File
"/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/ChimeraX_main.py",
line 577 in init<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt"> File
"/usr/lib/ucsf-chimerax/lib/python3.8/site-packages/ChimeraX_main.py",
line 1015 in <module><o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt"> File
"/usr/lib/ucsf-chimerax/lib/python3.8/runpy.py", line 87
in _run_code<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt"> File
"/usr/lib/ucsf-chimerax/lib/python3.8/runpy.py", line 194
in _run_module_as_main<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt">Aborted
(core dumped)<o:p></o:p></span></i></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I could
downgrade to ChimeraX v1.1 and it works fine, just wondering
what has changed in v1.2.5 and if there is a fix for this
issue.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Bing-Rui <o:p></o:p></span></p>
</div>
<br>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
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