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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - GdkPixbuf assertion failure adding an attachment to an email in the composer"
   href="https://bugzilla.gnome.org/show_bug.cgi?id=794530#c3">Comment # 3</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - GdkPixbuf assertion failure adding an attachment to an email in the composer"
   href="https://bugzilla.gnome.org/show_bug.cgi?id=794530">bug 794530</a>
              from <span class="vcard"><a href="page.cgi?id=describeuser.html&login=a9016009%40gmx.de" title="AndrĂ© Klapper <a9016009@gmx.de>"> <span class="fn">AndrĂ© Klapper</span></a>
</span></b>
        <pre>System: Fedora 27. Theme for applications, cursor, icons is all Adwaita.

<span class="quote">> Can you reliably reproduce this? </span >

Looks like I can reproduce, yes.

<span class="quote">> If so, can you go to frame 3 and print the output of gdk_pixbuf_get_width and gdk_pixbuf_get_height for both src and dest?</span >
(evolution:29321): Gtk-WARNING **: Allocating size to GtkNotebook
0x555555a9ba40 without calling gtk_widget_get_preferred_width/height(). How
does the code know the size to allocate?

Thread 1 "evolution" hit Breakpoint 1, g_logv (log_domain=0x7ffff27a83ce
"GdkPixbuf", log_level=G_LOG_LEVEL_CRITICAL, format=0x7ffff5e9d7ea "%s:
assertion '%s' failed", args=args@entry=0x7fffffffbd90)
    at gmessages.c:1248
1248    gmessages.c: No such file or directory.
(gdb) frame 3
</pre>
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      <ul class="frames">
          <li class="frame ">
              <span class="frame_number">#3</span>
            <span class="frame_function">gdk_pixbuf_composite</span>
              <div class="frame_file_container">
                at <span class="frame_file">gdk-pixbuf-scale.c</span>
                  line
                  <span class="frame_line">220</span>
              </div>
          </li>
          <li class="frame ">
              <span class="frame_number">#3</span>
            <span class="frame_function">gdk_pixbuf_composite</span>
              <div class="frame_file_container">
                at <span class="frame_file">gdk-pixbuf-scale.c</span>
                  line
                  <span class="frame_line">220</span>
              </div>
          </li>
          <li class="frame ">
              <span class="frame_number">#3</span>
            <span class="frame_function">gdk_pixbuf_composite</span>
              <div class="frame_file_container">
                at <span class="frame_file">gdk-pixbuf-scale.c</span>
                  line
                  <span class="frame_line">220</span>
              </div>
          </li>
          <li class="frame ">
              <span class="frame_number">#3</span>
            <span class="frame_function">gdk_pixbuf_composite</span>
              <div class="frame_file_container">
                at <span class="frame_file">gdk-pixbuf-scale.c</span>
                  line
                  <span class="frame_line">220</span>
              </div>
          </li>
      </ul>
</div>
</td></tr></table>
<pre class="bz_comment_text" >
$5 = 6
(gdb)</pre>
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