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<base href="https://bugs.webkit.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] Crash in WebKit::supportsXDamageAndXComposite"
href="https://bugs.webkit.org/show_bug.cgi?id=146347">146347</a>
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<th>Summary</th>
<td>[GTK] Crash in WebKit::supportsXDamageAndXComposite
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>Product</th>
<td>WebKit
</td>
</tr>
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<th>Version</th>
<td>528+ (Nightly build)
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</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
</tr>
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<th>Priority</th>
<td>P2
</td>
</tr>
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<th>Component</th>
<td>WebKit Gtk
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mcatanzaro@igalia.com
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<pre>Created <span class=""><a href="attachment.cgi?id=255638" name="attach_255638" title="full backtrace">attachment 255638</a> <a href="attachment.cgi?id=255638&action=edit" title="full backtrace">[details]</a></span>
full backtrace
I'm not really sure what to make of this crash report, whether it's a WebKit issue or an X11 issue:
Truncated backtrace:
Thread no. 1 (10 frames)
#0 XQueryExtension at QuExt.c:43
#1 XInitExtension at InitExt.c:47
#2 XDamageExtAddDisplay at Xdamage.c:58
#3 XDamageFindDisplay at Xdamage.c:202
#4 XDamageQueryExtension at Xdamage.c:288
#5 WebKit::supportsXDamageAndXComposite at /usr/src/debug/webkitgtk-2.9.3/Source/WebKit2/UIProcess/gtk/RedirectedXCompositeWindow.cpp:115
#6 WebKit::RedirectedXCompositeWindow::create(_GdkWindow*, std::function<void ()>) at /usr/src/debug/webkitgtk-2.9.3/Source/WebKit2/UIProcess/gtk/RedirectedXCompositeWindow.cpp:135
#7 webkitWebViewBaseRealize at /usr/src/debug/webkitgtk-2.9.3/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewBase.cpp:332
#12 gtk_widget_realize at gtkwidget.c:5551
#13 gtk_widget_map at gtkwidget.c:5066
QuExt.c is pretty simple [1]; looks like we may have passed an invalid display (dpy=dpy@entry=0x55c3119500b0).
[1] <a href="http://cgit.freedesktop.org/xorg/lib/libX11/tree/src/QuExt.c">http://cgit.freedesktop.org/xorg/lib/libX11/tree/src/QuExt.c</a></pre>
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