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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] Crashes if DISPLAY is unset"
href="https://bugs.webkit.org/show_bug.cgi?id=156972">156972</a>
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<th>Summary</th>
<td>[GTK] Crashes if DISPLAY is unset
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>Other
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>WebKit Gtk
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>berto@igalia.com
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<th>CC</th>
<td>bugs-noreply@webkitgtk.org
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<pre>This happens when the gtk-doc scanner is linked against webkit2gtk:
gtkdoc-scangobj $scanobj_options --module=libyelp
(process:14998): Gtk-CRITICAL **: gtk_icon_theme_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
** (process:14998): WARNING **: Unable to connect to dbus: Cannot autolaunch D-Bus without X11 $DISPLAY
Segmentation fault
The segfault comes from webkitgtk:
(gdb) bt
#0 XCloseDisplay (dpy=0x0) at ../../src/ClDisplay.c:51
#1 0x00007ffff4eab831 in WebCore::PlatformDisplayX11::~PlatformDisplayX11 (this=0x7fffe2dfc028, __in_chrg=<optimized out>)
at /build/webkit2gtk-ea7lQt/webkit2gtk-2.12.1/Source/WebCore/platform/graphics/x11/PlatformDisplayX11.cpp:53
The problem seems to be that m_display is initialized in the constructor of PlatformDisplayX11, but it's assumed not to be NULL.</pre>
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