Comment # 3 on bug 959911 from Panagiotis Georgiadis

Run:

/usr/lib64/firefox/firefox.sh -d gdb -g /usr/lib64/firefox/firefox


go to gmail and wait a couple of seconds. Firefox will crash and in gdb you
will see:

Program received signal SIGSEGV, Segmentation fault.
mozilla::MediaEventListener::Disconnect (this=this@entry=0x7fffbabfc260) at
../../dist/include/MediaEventSource.h:342
342    ../../dist/include/MediaEventSource.h: No such file or directory.q

This is the backtrace:

(gdb) bt
#0  mozilla::MediaEventListener::Disconnect (this=this@entry=0x7fffbabfc260) at
../../dist/include/MediaEventSource.h:342
#1  0x00007ffff322222e in mozilla::MediaDecoder::Shutdown (this=0x7fffbabfc180)
at /usr/src/debug/mozilla/dom/media/MediaDecoder.cpp:464
#2  0x00007ffff319effd in mozilla::dom::HTMLMediaElement::ShutdownDecoder
(this=0x7fffbcf82000) at
/usr/src/debug/mozilla/dom/html/HTMLMediaElement.cpp:688
#3  0x00007ffff31a4d8f in mozilla::dom::HTMLMediaElement::FinishDecoderSetup
(this=this@entry=0x7fffbcf82000, aDecoder=0x7fffbabfc180,
aStream=0x7fffb638e000, aListener=aListener@entry=0x7fffd0c476b0, 
    aCloneDonor=aCloneDonor@entry=0x0) at
/usr/src/debug/mozilla/dom/html/HTMLMediaElement.cpp:2857
#4  0x00007ffff31a503f in
mozilla::dom::HTMLMediaElement::InitializeDecoderForChannel
(this=0x7fffbcf82000, aChannel=0x7fffb9edf048, aListener=0x7fffd0c476b0)
    at /usr/src/debug/mozilla/dom/html/HTMLMediaElement.cpp:2818
#5  0x00007ffff31ab616 in
mozilla::dom::HTMLMediaElement::MediaLoadListener::OnStartRequest
(this=0x7fffd0c47680, aRequest=0x7fffb9edf048, aContext=0x0)
    at /usr/src/debug/mozilla/dom/html/HTMLMediaElement.cpp:399
#6  0x00007ffff25b7e2e in mozilla::net::nsHttpChannel::CallOnStartRequest
(this=this@entry=0x7fffb9edf000) at
/usr/src/debug/mozilla/netwerk/protocol/http/nsHttpChannel.cpp:1044
#7  0x00007ffff25b82b7 in mozilla::net::nsHttpChannel::ContinueProcessNormal
(this=0x7fffb9edf000, rv=<optimized out>) at
/usr/src/debug/mozilla/netwerk/protocol/http/nsHttpChannel.cpp:1844
#8  0x00007ffff25b83df in mozilla::net::nsHttpChannel::ProcessNormal
(this=this@entry=0x7fffb9edf000) at
/usr/src/debug/mozilla/netwerk/protocol/http/nsHttpChannel.cpp:1779
#9  0x00007ffff25b904c in mozilla::net::nsHttpChannel::ProcessResponse
(this=this@entry=0x7fffb9edf000) at
/usr/src/debug/mozilla/netwerk/protocol/http/nsHttpChannel.cpp:1634
#10 0x00007ffff25b93d9 in mozilla::net::nsHttpChannel::OnStartRequest
(this=0x7fffb9edf000, request=0x7fffc1cda6b0, ctxt=<optimized out>) at
/usr/src/debug/mozilla/netwerk/protocol/http/nsHttpChannel.cpp:5691
#11 0x00007ffff24ce002 in nsInputStreamPump::OnStateStart
(this=this@entry=0x7fffc1cda6b0) at
/usr/src/debug/mozilla/netwerk/base/nsInputStreamPump.cpp:527
#12 0x00007ffff24d287b in nsInputStreamPump::OnInputStreamReady
(this=0x7fffc1cda6b0, stream=<optimized out>) at
/usr/src/debug/mozilla/netwerk/base/nsInputStreamPump.cpp:429
#13 0x00007ffff24628c4 in nsInputStreamReadyEvent::Run (this=0x7fffcc287c10) at
/usr/src/debug/mozilla/xpcom/io/nsStreamUtils.cpp:91
#14 0x00007ffff2474ae5 in nsThread::ProcessNextEvent (this=0x7ffff6b64440,
aMayWait=<optimized out>, aResult=0x7fffffffc5cf) at
/usr/src/debug/mozilla/xpcom/threads/nsThread.cpp:950
#15 0x00007ffff248d16d in NS_ProcessNextEvent (aThread=<optimized out>,
aMayWait=aMayWait@entry=true) at
/usr/src/debug/mozilla/xpcom/glue/nsThreadUtils.cpp:277
#16 0x00007ffff264ed5d in mozilla::ipc::MessagePump::Run (this=0x7fffe5479340,
aDelegate=0x7ffff6b980e0) at
/usr/src/debug/mozilla/ipc/glue/MessagePump.cpp:127
#17 0x00007ffff263faa7 in RunHandler (this=0x7ffff6b980e0) at
/usr/src/debug/mozilla/ipc/chromium/src/base/message_loop.cc:227
#18 MessageLoop::Run (this=0x7ffff6b980e0) at
/usr/src/debug/mozilla/ipc/chromium/src/base/message_loop.cc:201
#19 0x00007ffff3526e11 in nsBaseAppShell::Run (this=0x7fffdeb24c40) at
/usr/src/debug/mozilla/widget/nsBaseAppShell.cpp:156
#20 0x00007ffff3a96fc2 in nsAppStartup::Run (this=0x7fffdeb290b0) at
/usr/src/debug/mozilla/toolkit/components/startup/nsAppStartup.cpp:281
#21 0x00007ffff3ad0995 in XREMain::XRE_mainRun (this=this@entry=0x7fffffffc848)
at /usr/src/debug/mozilla/toolkit/xre/nsAppRunner.cpp:4288
#22 0x00007ffff3ad0c47 in XREMain::XRE_main (this=this@entry=0x7fffffffc848,
argc=argc@entry=3, argv=argv@entry=0x7fffffffdd58,
aAppData=aAppData@entry=0x7fffffffca58)
    at /usr/src/debug/mozilla/toolkit/xre/nsAppRunner.cpp:4381
#23 0x00007ffff3ad0eb7 in XRE_main (argc=3, argv=0x7fffffffdd58,
aAppData=0x7fffffffca58, aFlags=<optimized out>) at
/usr/src/debug/mozilla/toolkit/xre/nsAppRunner.cpp:4483
#24 0x0000000000405269 in do_main (argc=argc@entry=3,
argv=argv@entry=0x7fffffffdd58, xreDirectory=0x7ffff6b63840) at
/usr/src/debug/mozilla/browser/app/nsBrowserApp.cpp:212
#25 0x00000000004049fa in main (argc=3, argv=0x7fffffffdd58) at
/usr/src/debug/mozilla/browser/app/nsBrowserApp.cpp:399