GTK3 build crashes after main windows appear. Debug build log are here: For application/x-shockwave-flash found plugin libflashplayer.so WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /home/hideo/develop/mozilla-central/xpcom/base/nsTraceRefcntImpl.cpp, line 141 WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /home/hideo/develop/mozilla-central/xpcom/base/nsTraceRefcntImpl.cpp, line 141 WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /home/hideo/develop/mozilla-central/xpcom/base/nsTraceRefcntImpl.cpp, line 141 WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /home/hideo/develop/mozilla-central/xpcom/base/nsTraceRefcntImpl.cpp, line 141 WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /home/hideo/develop/mozilla-central/xpcom/base/nsTraceRefcntImpl.cpp, line 141 WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /home/hideo/develop/mozilla-central/xpcom/base/nsTraceRefcntImpl.cpp, line 141 WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /home/hideo/develop/mozilla-central/xpcom/base/nsTraceRefcntImpl.cpp, line 141 WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /home/hideo/develop/mozilla-central/xpcom/base/nsTraceRefcntImpl.cpp, line 141 (plugin-container:25947): Gdk-WARNING **: The GDK_NATIVE_WINDOWS environment variable is not supported in GTK3. See the documentation for gdk_window_ensure_native() on how to get native windows. LoadPlugin() /usr/lib/flashplayer-mozilla/libflashplayer.so returned 7fffe40fafa0 JavaScript error: , line 0: Permission denied to access property 'toString' Program received signal SIGSEGV, Segmentation fault. 0x00007ffff0ecdaa1 in nsPluginInstanceOwner::CreateWidget (this=0x7fffaf648280) at /home/hideo/develop/mozilla-central/dom/plugins/base/nsPluginInstanceOwner.cpp:3133 3133 ws_info->display = DefaultXDisplay(); And stack traces: (gdb) bt #0 0x00007ffff0ecdaa1 in nsPluginInstanceOwner::CreateWidget ( this=0x7fffaf648280) at /home/hideo/develop/mozilla-central/dom/plugins/base/nsPluginInstanceOwner.cpp:3133 #1 0x00007ffff0eb7bf8 in nsPluginHost::InstantiatePluginInstance ( this=0x7fffd31bcf70, aMimeType=0x7fffaf30b7f8 "application/x-shockwave-flash", aURL= 0x7fffaf119900, aContent=0x7fffb29f8d90, aOwner=0x7fffffffc1e0) at /home/hideo/develop/mozilla-central/dom/plugins/base/nsPluginHost.cpp:860 #2 0x00007fffeffaf0c5 in nsObjectLoadingContent::InstantiatePluginInstance ( this=0x7fffb29f8d90, aIsLoading=true) at /home/hideo/develop/mozilla-central/content/base/src/nsObjectLoadingContent.cpp:808 #3 0x00007fffeffb42f4 in nsObjectLoadingContent::LoadObject ( this=0x7fffb29f8d90, aNotify=true, aForceLoad=false, aLoadingChannel= 0x7fffaf3cf858) at /home/hideo/develop/mozilla-central/content/base/src/nsObjectLoadingContent.cpp:2197 #4 0x00007fffeffafb8f in nsObjectLoadingContent::OnStartRequest ( this=0x7fffb29f8d90, aRequest=0x7fffaf3cf858, aContext=0x0) at /home/hideo/develop/mozilla-central/content/base/src/nsObjectLoadingContent.cpp:964 #5 0x00007fffeffbacf6 in ObjectInterfaceRequestorShim::OnStartRequest ( this=0x7fffaf30b790, aRequest=0x7fffaf3cf858, aContext=0x0) at /home/hideo/develop/mozilla-central/content/base/src/nsObjectLoadingContent.cpp:1135 #6 0x00007fffef7a7f21 in mozilla::net::nsHttpChannel::CallOnStartRequest ( this=0x7fffaf3cf800) at /home/hideo/develop/mozilla-central/netwerk/protocol/http/nsHttpChannel.cpp:1005 #7 0x00007fffef7a9e1b in mozilla::net::nsHttpChannel::ContinueProcessNormal ( this=0x7fffaf3cf800, rv=NS_OK) at /home/hideo/develop/mozilla-central/netwerk/protocol/http/nsHttpChannel.cpp:1600 #8 0x00007fffef7a9b3e in mozilla::net::nsHttpChannel::ProcessNormal ( this=0x7fffaf3cf800) at /home/hideo/develop/mozilla-central/netwerk/protocol/http/nsHttpChannel.cpp:1535 #9 0x00007fffef7a933a in mozilla::net::nsHttpChannel::ProcessResponse ( this=0x7fffaf3cf800) at /home/hideo/develop/mozilla-central/netwerk/protocol/http/nsHttpChannel.cpp:1365 #10 0x00007fffef7b83a4 in mozilla::net::nsHttpChannel::OnStartRequest ( this=0x7fffaf3cf800, request=0x7fffb7eefbc0, ctxt=0x0) at /home/hideo/develop/mozilla-central/netwerk/protocol/http/nsHttpChannel.c pp:5038 #11 0x00007fffef6720fe in nsInputStreamPump::OnStateStart (this=0x7fffb7eefbc0) at /home/hideo/develop/mozilla-central/netwerk/base/src/nsInputStreamPump.cpp:463 #12 0x00007fffef671db2 in nsInputStreamPump::OnInputStreamReady ( this=0x7fffb7eefbc0, stream=0x7fffb157c318) at /home/hideo/develop/mozilla-central/netwerk/base/src/nsInputStreamPump.cpp:388 #13 0x00007ffff1aed2e9 in nsInputStreamReadyEvent::Run (this=0x7fffb15f9280) at /home/hideo/develop/mozilla-central/xpcom/io/nsStreamUtils.cpp:82 #14 0x00007ffff1b11d79 in nsThread::ProcessNextEvent (this=0x7ffff6c55bb0, mayWait=false, result=0x7fffffffc9af) at /home/hideo/develop/mozilla-central/xpcom/threads/nsThread.cpp:622 #15 0x00007ffff1a96f69 in NS_ProcessNextEvent (thread=0x7ffff6c55bb0, mayWait=false) at /home/hideo/develop/mozilla-central/fx-opt/xpcom/build/nsThreadUtils.cpp:238 #16 0x00007ffff11651e3 in mozilla::ipc::MessagePump::Run (this=0x7fffe4dd9100, aDelegate=0x7ffff6c47560) at /home/hideo/develop/mozilla-central/ipc/glue/MessagePump.cpp:81 #17 0x00007ffff1bb6645 in MessageLoop::RunInternal (this=0x7ffff6c47560) at /home/hideo/develop/mozilla-central/ipc/chromium/src/base/message_loop.cc:220 #18 0x00007ffff1bb65d6 in MessageLoop::RunHandler (this=0x7ffff6c47560) at /home/hideo/develop/mozilla-central/ipc/chromium/src/base/message_loop.cc:213 #19 0x00007ffff1bb6567 in MessageLoop::Run (this=0x7ffff6c47560) at /home/hideo/develop/mozilla-central/ipc/chromium/src/base/message_loop.cc:187 #20 0x00007ffff102d5fc in nsBaseAppShell::Run (this=0x7fffdf1dbba0) at /home/hideo/develop/mozilla-central/widget/xpwidgets/nsBaseAppShell.cpp:161 #21 0x00007ffff0ced1d6 in nsAppStartup::Run (this=0x7fffe06b6650) at /home/hideo/develop/mozilla-central/toolkit/components/startup/nsAppStartup.cpp:269 #22 0x00007fffef4c36d5 in XREMain::XRE_mainRun (this=0x7fffffffce70) at /home/hideo/develop/mozilla-central/toolkit/xre/nsAppRunner.cpp:3863 #23 0x00007fffef4c39be in XREMain::XRE_main (this=0x7fffffffce70, argc=1, argv=0x7fffffffe338, aAppData=0x7fffffffd020) at /home/hideo/develop/mozilla-central/toolkit/xre/nsAppRunner.cpp:3931 #24 0x00007fffef4c3bf1 in XRE_main (argc=1, argv=0x7fffffffe338, aAppData=0x7fffffffd020, aFlags=0) at /home/hideo/develop/mozilla-central/toolkit/xre/nsAppRunner.cpp:4133 #25 0x000000000040449c in do_main (argc=1, argv=0x7fffffffe338, xreDirectory= 0x7ffff6c2c900) at /home/hideo/develop/mozilla-central/browser/app/nsBrowserApp.cpp:275 #26 0x0000000000404890 in main (argc=1, argv=0x7fffffffe338) at /home/hideo/develop/mozilla-central/browser/app/nsBrowserApp.cpp:635

Plug-ins won't yet work with GTK3 build.

Should be fixed now.