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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] WebProcess from WebKitGtk+ 2.15.2 SIGSEGVs in _ZN6WebKit26AcceleratedBackingStoreX116updateERKNS_16LayerTreeContextE () at Source/WebKit2/UIProcess/gtk/AcceleratedBackingStoreX11.cpp:145"
href="https://bugs.webkit.org/show_bug.cgi?id=165656">165656</a>
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<th>Summary</th>
<td>[GTK] WebProcess from WebKitGtk+ 2.15.2 SIGSEGVs in _ZN6WebKit26AcceleratedBackingStoreX116updateERKNS_16LayerTreeContextE () at Source/WebKit2/UIProcess/gtk/AcceleratedBackingStoreX11.cpp:145
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Nightly Build
</td>
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<th>Hardware</th>
<td>Unspecified
</td>
</tr>
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<th>OS</th>
<td>Unspecified
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<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>
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<th>Reporter</th>
<td>agomez@igalia.com
</td>
</tr>
<tr>
<th>CC</th>
<td>bugs-noreply@webkitgtk.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=296654" name="attach_296654" title="BT from gdb">attachment 296654</a> <a href="attachment.cgi?id=296654&action=edit" title="BT from gdb">[details]</a></span>
BT from gdb
I'm using WebKitGtk+ with my own JHBuild setting:
<a href="https://github.com/tanty/jhbuild-epiphany/tree/master">https://github.com/tanty/jhbuild-epiphany/tree/master</a>
Epiphany 3.20.3 and WebKit 2.15.2 with the attached patches for <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [GTK] Dramatic increase on memory usage since 2.14.x"
href="show_bug.cgi?id=164049">bug 164049</a>, <a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] GLXBadFBConfig error when creating an OpenGL context"
href="show_bug.cgi?id=165200">bug 165200</a>, <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Fix WinCairo build after r208997"
href="show_bug.cgi?id=165283">bug 165283</a> and <a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] Since the memory pressure relief has been activated, my disk has a high usage and the desktop stalls"
href="show_bug.cgi?id=164052">bug 164052</a>, applied.
I'm running Epiphany with the dconf key:
"process-model" = "shared-secondary-process"
And the env variable:
"export LIBGL_DRI3_DISABLE=1"
The compilation was done with CMake args:
'-DUSE_LD_GOLD=OFF -DPORT=GTK -DCMAKE_BUILD_TYPE=Release -DENABLE_MINIBROWSER=ON -DCMAKE_C_FLAGS_RELEASE="-O0 -g1 -DNDEBUG -DG_DEBUG=fatal-criticals -DG_DISABLE_CAST_CHECKS" -DCMAKE_CXX_FLAGS_RELEASE="-O0 -g1 -DNDEBUG -DG_DEBUG=fatal-criticals -DG_DISABLE_CAST_CHECKS"'
After visiting several pages, eventually, the UIProcess (epiphany) hits a SIGSEV.
This bug is not reproducible in a predictable way.</pre>
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