[Webkit-unassigned] [Bug 176308] New: [GTK] Crash in WebCore::GLContextGLX::makeContextCurrent

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=176308

            Bug ID: 176308
           Summary: [GTK] Crash in
                    WebCore::GLContextGLX::makeContextCurrent
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: bugs-noreply at webkitgtk.org, magomez at igalia.com

Created attachment 319781

  --> https://bugs.webkit.org/attachment.cgi?id=319781&action=review

Backtrace

I have 17 reports of this crash in WebCore::GLContextGLX::makeContextCurrent:

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 _g_log_abort at gmessages.c:549
 #1 g_log_writer_default at gmessages.c:2613
 #2 g_log_structured_array at gmessages.c:1933
 #3 g_log_structured at gmessages.c:1760
 #7 __glXSendError at libglx.c:757
 #8 NotifyXError at libglx.c:773
 #9 CommonMakeCurrent at libglx.c:986
 #10 WebCore::GLContextGLX::makeContextCurrent at /usr/src/debug/webkitgtk-2.16.6/Source/WebCore/platform/graphics/glx/GLContextGLX.cpp:329
 #11 WebKit::ThreadedCompositor::renderLayerTree at /usr/src/debug/webkitgtk-2.16.6/Source/WebKit2/Shared/CoordinatedGraphics/threadedcompositor/ThreadedCompositor.cpp:187
 #12 std::function<void ()>::operator()() const at /usr/include/c++/7/bits/std_function.h:706

Better backtrace attached. Note in particular:

        message_allocated = 0x7fcb4429f560 "The program 'WebKitWebProcess' received an X Window System error.\nThis probably reflects a bug in the program.\nThe error was 'GLXBadContext'.\n  (Details: serial 6208 error_code 167 request_code 154 (G"...

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