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      <base href="https://bugs.webkit.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [GTK] assertion failure in cairo"
   href="https://bugs.webkit.org/show_bug.cgi?id=145660">145660</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[GTK] assertion failure in cairo
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>528+ (Nightly build)
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P3
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>WebKit Gtk
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>zl29ah&#64;gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>webkit-gtk-2.4.9, cairo-1.14.2. Tried to visit <a href="http://agar.io/">http://agar.io/</a> with uzbl-2012.05.14-1154-g35db169

uzbl-core: /var/tmp/paludis/x11-libs-cairo-1.14.2/work/cairo-1.14.2/src/cairo-scaled-font.c:459: _cairo_scaled_glyph_page_destroy: Assertion `!scaled_font-&gt;cache_frozen' failed.

#0  0x00006ece810d1dfb in raise () from /lib/libc.so.6
#1  0x00006ece810d33b1 in abort () from /lib/libc.so.6
#2  0x00006ece810ca3c8 in __assert_fail_base () from /lib/libc.so.6
#3  0x00006ece810ca486 in __assert_fail () from /lib/libc.so.6
#4  0x00006ece82669ef2 in _cairo_scaled_glyph_page_destroy () from /usr/lib/libcairo.so.2
#5  0x00006ece8266a151 in _cairo_scaled_font_free_last_glyph () from /usr/lib/libcairo.so.2
#6  0x00006ece8266c998 in _cairo_scaled_glyph_lookup () from /usr/lib/libcairo.so.2
#7  0x00006ece8266ddbd in _cairo_scaled_font_glyph_path () from /usr/lib/libcairo.so.2
#8  0x00006ece8262b47b in _cairo_gstate_glyph_path () from /usr/lib/libcairo.so.2
#9  0x00006ece82617d48 in cairo_glyph_path () from /usr/lib/libcairo.so.2
#10 0x00006ece843609ba in WebCore::Font::drawGlyphs(WebCore::GraphicsContext*, WebCore::SimpleFontData const*, WebCore::GlyphBuffer const&amp;, int, int, WebCore::FloatPoint const&amp;) const () from /usr/lib/libwebkitgtk-3.0.so.0
#11 0x00006ece843c3b77 in WebCore::Font::drawGlyphBuffer(WebCore::GraphicsContext*, WebCore::TextRun const&amp;, WebCore::GlyphBuffer const&amp;, WebCore::FloatPoint&amp;) const () from /usr/lib/libwebkitgtk-3.0.so.0
#12 0x00006ece843c5bc5 in WebCore::Font::drawSimpleText(WebCore::GraphicsContext*, WebCore::TextRun const&amp;, WebCore::FloatPoint const&amp;, int, int) const ()
   from /usr/lib/libwebkitgtk-3.0.so.0
#13 0x00006ece843d2c35 in WebCore::GraphicsContext::drawBidiText(WebCore::Font const&amp;, WebCore::TextRun const&amp;, WebCore::FloatPoint const&amp;, WebCore::Font::CustomFontNotReadyAction) () from /usr/lib/libwebkitgtk-3.0.so.0
#14 0x00006ece84837706 in WebCore::CanvasRenderingContext2D::drawTextInternal(WTF::String const&amp;, float, float, bool, float, bool) ()
   from /usr/lib/libwebkitgtk-3.0.so.0
#15 0x00006ece84f7bacb in WebCore::jsCanvasRenderingContext2DPrototypeFunctionStrokeText(JSC::ExecState*) () from /usr/lib/libwebkitgtk-3.0.so.0
#16 0x00006ece33b7c9c5 in ?? ()
#17 0x00006ece0effde80 in ?? ()
#18 0x00006ece8394fee1 in llint_op_call () from /usr/lib/libjavascriptcoregtk-3.0.so.0
#19 0x0000000000000000 in ?? ()</pre>
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