(gdb) bt full
#0  0x00007ffff6e55fdd in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fffe9489346 in PollWrapper (ufds=0x7fffc995a0a0, nfsd=5, timeout_=-1)
    at /usr/src/debug/firefox-42.0/firefox-42.0/widget/gtk/nsAppShell.cpp:42
        result = <optimized out>
#2  0x00007ffff310816c in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff310827c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fffe94893b2 in nsAppShell::ProcessNextNativeEvent (this=<optimized out>, mayWait=<optimized out>)
    at /usr/src/debug/firefox-42.0/firefox-42.0/widget/gtk/nsAppShell.cpp:158
No locals.
#5  0x00007fffe94710fb in nsBaseAppShell::DoProcessNextNativeEvent (this=this@entry=0x7fffd2f3d550, 
    mayWait=<optimized out>, recursionDepth=recursionDepth@entry=0)
    at /usr/src/debug/firefox-42.0/firefox-42.0/widget/nsBaseAppShell.cpp:141
        prevVal = nsBaseAppShell::eEventloopNone
        result = <optimized out>
#6  0x00007fffe9471266 in nsBaseAppShell::OnProcessNextEvent (this=0x7fffd2f3d550, thr=0x7fffda622480, 
    mayWait=true, recursionDepth=0) at /usr/src/debug/firefox-42.0/firefox-42.0/widget/nsBaseAppShell.cpp:299
        start = 1006724
        limit = 10
        oldBlockedWait = 0x0
        needEvent = true
#7  0x00007fffe8374ce7 in nsThread::ProcessNextEvent (this=0x7fffda622480, aMayWait=<optimized out>, 
    aResult=0x7fffffffc5c7) at /usr/src/debug/firefox-42.0/firefox-42.0/xpcom/threads/nsThread.cpp:836
No locals.
#8  0x00007fffe838fb9f in NS_ProcessNextEvent (aThread=<optimized out>, aMayWait=aMayWait@entry=true)
    at /usr/src/debug/firefox-42.0/firefox-42.0/xpcom/glue/nsThreadUtils.cpp:277
        val = false
#9  0x00007fffe855bb42 in mozilla::ipc::MessagePump::Run (this=0x7fffdb6f8240, aDelegate=0x7ffff6b920b0)
    at /usr/src/debug/firefox-42.0/firefox-42.0/ipc/glue/MessagePump.cpp:127
        did_work = <optimized out>
#10 0x00007fffe854bc5e in MessageLoop::RunHandler (this=<optimized out>)
    at /usr/src/debug/firefox-42.0/firefox-42.0/ipc/chromium/src/base/message_loop.cc:227
No locals.
#11 MessageLoop::Run (this=<optimized out>)
    at /usr/src/debug/firefox-42.0/firefox-42.0/ipc/chromium/src/base/message_loop.cc:201
        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, 
          loop_ = 0x7ffff6b920b0, previous_state_ = 0x0}
#12 0x00007fffe946b41b in nsBaseAppShell::Run (this=0x7fffd2f3d550)
    at /usr/src/debug/firefox-42.0/firefox-42.0/widget/nsBaseAppShell.cpp:165
        thread = 0x7fffda622480
#13 0x00007fffe9a09b81 in nsAppStartup::Run (this=0x7fffd2f34290)
    at /usr/src/debug/firefox-42.0/firefox-42.0/toolkit/components/startup/nsAppStartup.cpp:280
        rv = <optimized out>
        retval = <optimized out>
#14 0x00007fffe9a42ef2 in XREMain::XRE_mainRun (this=this@entry=0x7fffffffc868)
    at /usr/src/debug/firefox-42.0/firefox-42.0/toolkit/xre/nsAppRunner.cpp:4287
        rv = nsresult::NS_OK
        prefs = {<nsCOMPtr_base> = {mRawPtr = 0x7fffdb6c67c0}, <No data fields>}
        appStartup = {<nsCOMPtr_base> = {mRawPtr = 0x7fffd2f34290}, <No data fields>}
        userAgentLocale = {<nsACString_internal> = {
            mData = 0x7fffd0d38ca8 "chrome://global/locale/intl.properties", mLength = 38, 
            mFlags = 5}, <No data fields>}
        cmdLine = {<nsCOMPtr_base> = {mRawPtr = 0x7fffcfcee840}, <No data fields>}
        workingDir = {<nsCOMPtr_base> = {mRawPtr = 0x7fffcfd1b5c0}, <No data fields>}
#15 0x00007fffe9a4319d in XREMain::XRE_main (this=this@entry=0x7fffffffc868, argc=argc@entry=1, 
    argv=argv@entry=0x7fffffffdd88, aAppData=aAppData@entry=0x7fffffffca78)
    at /usr/src/debug/firefox-42.0/firefox-42.0/toolkit/xre/nsAppRunner.cpp:4380
        aLocal = 0 '\000'
        sampler_raii4334 = {mHandle = 0x7ffff6bef000}
        rv = <optimized out>
        exit = false
        result = 0
        appInitiatedRestart = false
#16 0x00007fffe9a433e8 in XRE_main (argc=1, argv=0x7fffffffdd88, aAppData=0x7fffffffca78, 
    aFlags=<optimized out>) at /usr/src/debug/firefox-42.0/firefox-42.0/toolkit/xre/nsAppRunner.cpp:4482
        main = {mNativeApp = {<nsCOMPtr_base> = {mRawPtr = 0x7fffda6bea90}, <No data fields>}, 
          mProfileSvc = {<nsCOMPtr_base> = {mRawPtr = 0x7fffda680d30}, <No data fields>}, 
          mProfD = {<nsCOMPtr_base> = {mRawPtr = 0x7ffff6ba1e80}, <No data fields>}, 
          mProfLD = {<nsCOMPtr_base> = {mRawPtr = 0x7ffff6ba1f40}, <No data fields>}, 
          mProfileLock = {<nsCOMPtr_base> = {mRawPtr = 0x7fffda6330e0}, <No data fields>}, 
          mRemoteService = {<nsCOMPtr_base> = {mRawPtr = 0x7fffcb6f1d30}, <No data fields>}, mScopedXPCOM = {
            mTuple = {<mozilla::detail::PairHelper<ScopedXPCOMStartup*, mozilla::DefaultDelete<ScopedXPCOMStartup>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<mozilla::DefaultDelete<ScopedXPCOMStartup>> = {<No data fields>}, mFirstA = 0x7fffdb6d66f0}, <No data fields>}}, mAppData = {
            mRawPtr = 0x7ffff6ba2a80}, 
          mDirProvider = {<nsIDirectoryServiceProvider2> = {<nsIDirectoryServiceProvider> = {<nsISupports> = {
                  _vptr.nsISupports = 0x7fffeb4678c8 <vtable for nsXREDirProvider+16>}, <No data fields>}, <No data fields>}, <nsIProfileStartup> = {<nsISupports> = {
                _vptr.nsISupports = 0x7fffeb467910 <vtable for nsXREDirProvider+88>}, <No data fields>}, 
            mAppProvider = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}, 
            mGREDir = {<nsCOMPtr_base> = {mRawPtr = 0x7ffff6b9f9c0}, <No data fields>}, 
            mGREBinDir = {<nsCOMPtr_base> = {mRawPtr = 0x7ffff6b9fd80}, <No data fields>}, 
            mXULAppDir = {<nsCOMPtr_base> = {mRawPtr = 0x7ffff6b9fc00}, <No data fields>}, 
            mProfileDir = {<nsCOMPtr_base> = {mRawPtr = 0x7ffff6ba1e80}, <No data fields>}, 
            mProfileLocalDir = {<nsCOMPtr_base> = {mRawPtr = 0x7ffff6ba1f40}, <No data fields>}, 
            mProfileNotified = true, mAppBundleDirectories = {<nsCOMArray_base> = {
                mArray = {<nsTArray_Impl<nsISupports*, nsTArrayInfallibleAllocator>> = {<nsTArray_base<nsTArrayInfallibleAllocator, nsTArray_CopyWithMemutils>> = {
                      mHdr = 0x7fffeb6af180 <nsTArrayHeader::sEmptyHdr>}, <nsTArray_TypedBase<nsISupports*, nsTArray_Impl<nsISupports*, nsTArrayInfallibleAllocator> >> = {<nsTArray_SafeElementAtHelper<nsISupports*, nsTArray_Impl<nsISupports*, nsTArrayInfallibleAllocator> >> = {<No data fields>}, <No data fields>}, 
                    static NoIndex = <optimized out>}, <No data fields>}}, <No data fields>}, 
            mExtensionDirectories = {<nsCOMArray_base> = {
                mArray = {<nsTArray_Impl<nsISupports*, nsTArrayInfallibleAllocator>> = {<nsTArray_base<nsTArrayInfallibleAllocator, nsTArray_CopyWithMemutils>> = {
                      mHdr = 0x7fffeb6af180 <nsTArrayHeader::sEmptyHdr>}, <nsTArray_TypedBase<nsISupports*, nsTArray_Impl<nsISupports*, nsTArrayInfallibleAllocator> >> = {<nsTArray_SafeElementAtHelper<nsISupports*, nsTArray_Impl<nsISupports*, nsTArrayInfallibleAllocator> >> = {<No data fields>}, <No data fields>}, 
                    static NoIndex = <optimized out>}, <No data fields>}}, <No data fields>}, 
            mThemeDirectories = {<nsCOMArray_base> = {
                mArray = {<nsTArray_Impl<nsISupports*, nsTArrayInfallibleAllocator>> = {<nsTArray_base<nsTArrayInfallibleAllocator, nsTArray_CopyWithMemutils>> = {
                      mHdr = 0x7fffd08aece0}, <nsTArray_TypedBase<nsISupports*, nsTArray_Impl<nsISupports*, nsTArrayInfallibleAllocator> >> = {<nsTArray_SafeElementAtHelper<nsISupports*, nsTArray_Impl<nsISupports*, nsTArrayInfallibleAllocator> >> = {<No data fields>}, <No data fields>}, 
                    static NoIndex = <optimized out>}, <No data fields>}}, <No data fields>}}, 
          mProfileName = {<nsFixedCString> = {<nsCString> = {<nsACString_internal> = {
                  mData = 0x7fffdb6ec338 "default", mLength = 7, mFlags = 65541}, <No data fields>}, 
              mFixedCapacity = 63, mFixedBuf = 0x7fffffffc928 ""}, 
            mStorage = "\000\311\377\377\377\177\000\000\257\311\377\377\377\177\000\000\257\311\377\377\377\177\000\000\250\311\377\377\377\177\000\000\257\311\377\377\377\177\000\000\257\311\377\377\377\177\000\000\000\210\066\375\031\266/\003`\312\377\377\377\177\000"}, 
          mDesktopStartupID = {<nsFixedCString> = {<nsCString> = {<nsACString_internal> = {
                  mData = 0x7fffffffc988 "", mLength = 0, mFlags = 65553}, <No data fields>}, 
              mFixedCapacity = 63, mFixedBuf = 0x7fffffffc988 ""}, 
            mStorage = "\000\311\377\377\377\177\000\000\a\000\000\000\021\000\001\000?\000\000\000\000\000\000\000\250\311\377\377\377\177\000\000browser\000`\312\377\377\377\177\000\000\313-3\350\377\177\000\000\000\360\271\366\377\177\000"}, mStartOffline = false, mShuttingDown = false, mDisableRemote = false, mGdkDisplay = 
    0x7fffdb6100b0}
        result = <optimized out>
#17 0x0000555555559371 in do_main (argc=1, argv=0x7fffffffdd88, xreDirectory=0x7ffff6b9f9c0)
    at /usr/src/debug/firefox-42.0/firefox-42.0/browser/app/nsBrowserApp.cpp:212
        appini = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
        rv = <optimized out>
        appDataFile = <optimized out>
        appData = {<nsXREAppData> = {size = 128, directory = 0x7ffff6b9fc00, 
            vendor = 0x7ffff6bb42c8 "Mozilla", name = 0x7ffff6bb42d0 "Firefox", 
            remotingName = 0x7ffff6bb42d8 "firefox", version = 0x7ffff6bb42e0 "42.0", 
            buildID = 0x7ffff6b496f0 "20151102093730", 
            ID = 0x7ffff6bcfdf0 "{ec8030f7-c20a-464f-9b0e-13a3a9e97384}", copyright = 0x0, flags = 10, 
            xreDirectory = 0x7ffff6b9f9c0, minVersion = 0x7ffff6bb42e8 "42.0", 
            maxVersion = 0x7ffff6bb42f0 "42.0", 
            crashReporterURL = 0x7ffff6ba2900 "https://crash-reports.mozilla.com/submit?id={ec8030f7-c20a-464f-9b0e-13a3a9e97384}&version=42.0&buildid=20151102093730", profile = 0x0, UAName = 0x0}, <No data fields>}
        exeFile = {<nsCOMPtr_base> = {mRawPtr = 0x7ffff6b9fa80}, <No data fields>}
        greDir = {<nsCOMPtr_base> = {mRawPtr = 0x7ffff6b9fb40}, <No data fields>}
        appSubdir = {<nsCOMPtr_base> = {mRawPtr = 0x7ffff6b9fc00}, <No data fields>}
#18 0x0000555555558a72 in main (argc=1, argv=0x7fffffffdd88)
    at /usr/src/debug/firefox-42.0/firefox-42.0/browser/app/nsBrowserApp.cpp:399
        gotCounters = 1
        initialRUsage = {ru_utime = {tv_sec = 0, tv_usec = 2341}, ru_stime = {tv_sec = 0, tv_usec = 2341}, {
            ru_maxrss = 554252, __ru_maxrss_word = 554252}, {ru_ixrss = 0, __ru_ixrss_word = 0}, {
            ru_idrss = 0, __ru_idrss_word = 0}, {ru_isrss = 0, __ru_isrss_word = 0}, {ru_minflt = 234, 
            __ru_minflt_word = 234}, {ru_majflt = 25, __ru_majflt_word = 25}, {ru_nswap = 0, 
            __ru_nswap_word = 0}, {ru_inblock = 5920, __ru_inblock_word = 5920}, {ru_oublock = 0, 
            __ru_oublock_word = 0}, {ru_msgsnd = 0, __ru_msgsnd_word = 0}, {ru_msgrcv = 0, 
            __ru_msgrcv_word = 0}, {ru_nsignals = 0, __ru_nsignals_word = 0}, {ru_nvcsw = 42, 
            __ru_nvcsw_word = 42}, {ru_nivcsw = 1, __ru_nivcsw_word = 1}}
        xreDirectory = 0x7ffff6b9f9c0
        rv = <optimized out>
        result = <optimized out>

