[Pkg-chromium-maint] Bug#845785: still crashes

Gedalya gedalya at gedalya.net
Sat Dec 3 02:25:23 UTC 2016


Package: chromium
Version: 55.0.2883.75-1

Over here it crashes much less, but still crashes on web.whatsapp.com and sometimes on certain facebook pages.
The attached debugger output is from web.whatsapp.com


-- System Information:
Debian Release: stretch/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'unstable'), (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.8.0-2-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages chromium depends on:
ii  libasound2           1.1.2-1
ii  libatk1.0-0          2.22.0-1
ii  libavcodec57         7:3.2.1-1
ii  libavformat57        7:3.2.1-1
ii  libavutil55          7:3.2.1-1
ii  libc6                2.24-7
ii  libcairo2            1.14.6-1.1
ii  libcups2             2.2.1-2
ii  libdbus-1-3          1.10.12-1
ii  libevent-2.0-5       2.0.21-stable-2.1
ii  libexpat1            2.2.0-1
ii  libflac8             1.3.1-4
ii  libfontconfig1       2.11.0-6.7
ii  libfreetype6         2.6.3-3+b1
ii  libgcc1              1:6.2.1-5
ii  libgdk-pixbuf2.0-0   2.36.0-1
ii  libglib2.0-0         2.50.2-2
ii  libgtk2.0-0          2.24.31-1
ii  libharfbuzz0b        1.2.7-1+b1
ii  libicu57             57.1-5
ii  libjpeg62-turbo      1:1.5.1-2
ii  libminizip1          1.1-8
ii  libnettle6           3.3-1
ii  libnspr4             2:4.12-6
ii  libnss3              2:3.26.2-1
ii  libpango-1.0-0       1.40.3-3
ii  libpangocairo-1.0-0  1.40.3-3
ii  libpng16-16          1.6.26-2
ii  libpulse0            9.0-5
ii  libre2-3             20161101+dfsg-2
ii  libsnappy1v5         1.1.3-3
ii  libstdc++6           6.2.1-5
ii  libvpx4              1.6.0-3
ii  libwebp6             0.5.1-3
ii  libwebpdemux2        0.5.1-3
ii  libx11-6             2:1.6.3-1
ii  libx11-xcb1          2:1.6.3-1
ii  libxcb1              1.12-1
ii  libxcomposite1       1:0.4.4-1
ii  libxcursor1          1:1.1.14-1+b1
ii  libxdamage1          1:1.1.4-2+b1
ii  libxext6             2:1.3.3-1
ii  libxfixes3           1:5.0.2-1
ii  libxi6               2:1.7.6-1.1
ii  libxml2              2.9.4+dfsg1-2.1
ii  libxrandr2           2:1.5.0-1
ii  libxrender1          1:0.9.9-2
ii  libxslt1.1           1.1.29-2
ii  libxss1              1:1.2.2-1
ii  libxtst6             2:1.2.2-1+b1
ii  x11-utils            7.7+3
ii  xdg-utils            1.1.1-1
ii  zlib1g               1:1.2.8.dfsg-2+b3

Versions of packages chromium recommends:
ii  fonts-liberation  1:1.07.4-2

Versions of packages chromium suggests:
pn  chromium-l10n  <none>

-- no debconf information

-------------- next part --------------
# Env:
#     LD_LIBRARY_PATH=
#                PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
#            GTK_PATH=
#      CHROMIUM_FLAGS= --show-component-extension-options --ignore-gpu-blacklist --disable-background-networking --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=22.0.0.209
/usr/bin/gdb /usr/lib/chromium/chromium -x /tmp/chromiumargs.4qSw2Q
GNU gdb (Debian 7.11.1-2+b1) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/lib/chromium/chromium...Reading symbols from /usr/lib/debug/.build-id/0b/ff698125612b352cb147d3c5af76bf6461e7bd.debug...(no debugging symbols found)...done.
(no debugging symbols found)...done.
(gdb) handle SIG33 pass nostop noprint
Signal        Stop	Print	Pass to program	Description
SIG33         No	No	Yes		Real-time event 33
(gdb) set pagination 0
(gdb) run
Starting program: /usr/lib/chromium/chromium --show-component-extension-options --ignore-gpu-blacklist --disable-background-networking --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=22.0.0.209 --single-process 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffdea8b700 (LWP 8185)]
[New Thread 0x7fffde28a700 (LWP 8190)]
[New Thread 0x7fffdd681700 (LWP 8191)]
[New Thread 0x7fffdce80700 (LWP 8192)]
[New Thread 0x7fffdc67f700 (LWP 8193)]
[New Thread 0x7fffdc677700 (LWP 8194)]
[New Thread 0x7fffdbe6f700 (LWP 8195)]
[New Thread 0x7fffdb66e700 (LWP 8196)]
[New Thread 0x7fffd98d8700 (LWP 8197)]
[New Thread 0x7fffd90d7700 (LWP 8198)]
[New Thread 0x7fffd88d6700 (LWP 8199)]
[New Thread 0x7fffd80d5700 (LWP 8200)]
[New Thread 0x7fffd78d4700 (LWP 8201)]
[New Thread 0x7fffd70d3700 (LWP 8202)]
[New Thread 0x7fffd68d2700 (LWP 8203)]
[New Thread 0x7fffd60d1700 (LWP 8204)]
[New Thread 0x7fffd58d0700 (LWP 8205)]
[New Thread 0x7fffd50cf700 (LWP 8206)]
[New Thread 0x7fffd48ce700 (LWP 8207)]
[New Thread 0x7fffd40cd700 (LWP 8208)]
[New Thread 0x7fffcb0ce700 (LWP 8216)]
[New Thread 0x7fffca6cd700 (LWP 8217)]
[New Thread 0x7fffc9b90700 (LWP 8220)]
[New Thread 0x7fffc938f700 (LWP 8221)]
[New Thread 0x7fffc8b8e700 (LWP 8222)]
[Thread 0x7fffc8b8e700 (LWP 8222) exited]
[New Thread 0x7fffc7e9e700 (LWP 8223)]
[New Thread 0x7fffc769d700 (LWP 8224)]
[New Thread 0x7fffc59fd700 (LWP 8225)]
[New Thread 0x7fffc51fc700 (LWP 8226)]
[8177:8204:1202/211959:ERROR:proxy_service_factory.cc(126)] Cannot use V8 Proxy resolver in single process mode.
[8177:8204:1202/211959:ERROR:proxy_service_factory.cc(126)] Cannot use V8 Proxy resolver in single process mode.
[New Thread 0x7fffc41fa700 (LWP 8228)]
[New Thread 0x7fffc49fb700 (LWP 8227)]
[New Thread 0x7fffc39f9700 (LWP 8229)]
[New Thread 0x7fffc1fe4700 (LWP 8233)]
[New Thread 0x7fffc2fe6700 (LWP 8230)]
[New Thread 0x7fffc27e5700 (LWP 8231)]
[New Thread 0x7fffc17e3700 (LWP 8234)]
[New Thread 0x7fffc0fe2700 (LWP 8235)]
[New Thread 0x7fffc07e1700 (LWP 8236)]
[New Thread 0x7fffbffe0700 (LWP 8237)]
[New Thread 0x7fffbf7df700 (LWP 8238)]
[New Thread 0x7fffbe057700 (LWP 8239)]
[New Thread 0x7fffb9a69700 (LWP 8240)]
[New Thread 0x7fffb8c27700 (LWP 8241)]
[New Thread 0x7fffb8426700 (LWP 8242)]
[New Thread 0x7fffb7c25700 (LWP 8243)]
[New Thread 0x7fffb7424700 (LWP 8244)]
Xlib: sequence lost (0x10210 > 0x212) in reply type 0x0!
[New Thread 0x7fffb56be700 (LWP 8245)]
[Thread 0x7fffb56be700 (LWP 8245) exited]
[New Thread 0x7fffb4e9d700 (LWP 8246)]
[New Thread 0x7fffb56be700 (LWP 8247)]
[New Thread 0x7fffb40ec700 (LWP 8248)]
[New Thread 0x7fffb217e700 (LWP 8249)]
[New Thread 0x7fffb197d700 (LWP 8250)]
[8177:8177:1202/211959:ERROR:CONSOLE(291)] "Not allowed to load local resource: chrome-search://most-visited/single.html?removeTooltip=Don%27t%20show%20on%20this%20page", source: https://www.google.com/xjs/_/js/k=xjs.ntp.en_US.hjd2kdy6Nko.O/m=jsa,ntp,d,csi/am=AQ/rt=j/d=1/t=zcms/rs=ACT90oFrsqIbS8Kk5t_0WCTDJUqgl40z7A (291)
[8177:8177:1202/211959:ERROR:navigation_entry_screenshot_manager.cc(141)] Invalid entry with unique id: 1
[New Thread 0x7fffc8b8e700 (LWP 8255)]
[Thread 0x7fffc27e5700 (LWP 8231) exited]
[Thread 0x7fffdbe6f700 (LWP 8195) exited]
[Thread 0x7fffc1fe4700 (LWP 8233) exited]
[New Thread 0x7fffc1fe4700 (LWP 8260)]
[New Thread 0x7fffdbe6f700 (LWP 8261)]
[New Thread 0x7fffc27e5700 (LWP 8262)]
[New Thread 0x7fffb034e700 (LWP 8263)]
[Thread 0x7fffc49fb700 (LWP 8227) exited]
[Thread 0x7fffdb66e700 (LWP 8196) exited]
[Thread 0x7fffc27e5700 (LWP 8262) exited]
[Thread 0x7fffbf7df700 (LWP 8238) exited]
[New Thread 0x7fffbf7df700 (LWP 8264)]
[New Thread 0x7fffc27e5700 (LWP 8265)]
[Thread 0x7fffbf7df700 (LWP 8264) exited]
[Thread 0x7fffc27e5700 (LWP 8265) exited]
[New Thread 0x7fffc27e5700 (LWP 8266)]
[New Thread 0x7fffbf7df700 (LWP 8267)]
[New Thread 0x7fffdb66e700 (LWP 8268)]
[New Thread 0x7fffc49fb700 (LWP 8269)]
[New Thread 0x7fffa9003700 (LWP 8270)]
[New Thread 0x7fffa8802700 (LWP 8271)]

Thread 17 "Chrome_IOThread" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffd60d1700 (LWP 8204)]
0x000055555b9fa57b in __start_google_malloc ()
(gdb) backtrace
#0  0x000055555b9fa57b in __start_google_malloc ()
#1  0x0000555556046737 in operator new(unsigned long, std::nothrow_t const&) ()
#2  0x00005555578ffba1 in base::DictionaryValue::SetWithoutPathExpansion(base::BasicStringPiece<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::unique_ptr<base::Value, std::default_delete<base::Value> >) ()
#3  0x00005555579004f1 in base::DictionaryValue::DeepCopy() const ()
#4  0x0000555556f03371 in content::MediaInternals::UpdateAudioLog(content::MediaInternals::AudioLogUpdateType, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, base::DictionaryValue const*) ()
#5  0x0000555556f038ef in content::AudioLogImpl::OnCreated(int, media::AudioParameters const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
#6  0x0000555556f5d199 in content::AudioRendererHost::OnCreateStream(int, int, media::AudioParameters const&) ()
#7  0x0000555556f5d60d in content::AudioRendererHost::OnMessageReceived(IPC::Message const&) ()
#8  0x0000555556ca856b in content::BrowserMessageFilter::Internal::OnMessageReceived(IPC::Message const&) ()
#9  0x000055555804eeee in IPC::(anonymous namespace)::TryFiltersImpl(std::vector<IPC::MessageFilter*, std::allocator<IPC::MessageFilter*> >&, IPC::Message const&) ()
#10 0x000055555803ac88 in IPC::ChannelProxy::Context::TryFilters(IPC::Message const&) ()
#11 0x000055555803ad91 in IPC::ChannelProxy::Context::OnMessageReceived(IPC::Message const&) ()
#12 0x000055555803490d in IPC::ChannelMojo::OnMessageReceived(IPC::Message const&) ()
#13 0x000055555803f651 in IPC::internal::MessagePipeReader::Receive(std::vector<unsigned char, std::allocator<unsigned char> > const&, base::Optional<std::vector<mojo::StructPtr<IPC::mojom::SerializedHandle>, std::allocator<mojo::StructPtr<IPC::mojom::SerializedHandle> > > >) ()
#14 0x00005555561a683d in IPC::mojom::ChannelStub::Accept(mojo::Message*) ()
#15 0x0000555557c01651 in mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) ()
#16 0x0000555558044fe8 in IPC::(anonymous namespace)::ChannelAssociatedGroupController::Accept(mojo::Message*) [clone .part.206] ()
#17 0x0000555557bfeda1 in mojo::Connector::ReadSingleMessage(unsigned int*) ()
#18 0x0000555557bfeeee in mojo::Connector::ReadAllAvailableMessages() ()
#19 0x0000555557c0c0a5 in mojo::Watcher::OnHandleReady(unsigned int) ()
#20 0x0000555557902c21 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) ()
#21 0x000055555789d629 in base::MessageLoop::RunTask(base::PendingTask const&) ()
#22 0x000055555789ed9d in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) ()
#23 0x000055555789f240 in base::MessageLoop::DoWork() ()
#24 0x00005555578a04d2 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ()
#25 0x00005555578bd66a in base::RunLoop::Run() ()
#26 0x0000555556d4c1b8 in content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) ()
#27 0x0000555556d4c6b3 in content::BrowserThreadImpl::Run(base::RunLoop*) ()
#28 0x00005555578da360 in base::Thread::ThreadMain() ()
#29 0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#30 0x00007ffff7bc4464 in start_thread (arg=0x7fffd60d1700) at pthread_create.c:333
#31 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
(gdb) thread apply all backtrace

Thread 66 (Thread 0x7fffa8802700 (LWP 8271)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578dd339 in base::PosixDynamicThreadPool::WaitForTask() ()
#3  0x00005555578dd821 in base::(anonymous namespace)::WorkerThread::ThreadMain() ()
#4  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffa8802700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 65 (Thread 0x7fffa9003700 (LWP 8270)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578dd339 in base::PosixDynamicThreadPool::WaitForTask() ()
#3  0x00005555578dd821 in base::(anonymous namespace)::WorkerThread::ThreadMain() ()
#4  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffa9003700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 64 (Thread 0x7fffc49fb700 (LWP 8269)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578dd339 in base::PosixDynamicThreadPool::WaitForTask() ()
#3  0x00005555578dd821 in base::(anonymous namespace)::WorkerThread::ThreadMain() ()
#4  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffc49fb700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 63 (Thread 0x7fffdb66e700 (LWP 8268)):
#0  __lll_unlock_wake () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:371
#1  0x00007ffff7bc8201 in __pthread_mutex_unlock_usercnt (mutex=0x187708425828, decr=<optimized out>) at pthread_mutex_unlock.c:55
#2  0x0000555557905e0b in base::internal::IncomingTaskQueue::PostPendingTask(base::PendingTask*) ()
#3  0x0000555557905ebc in base::internal::IncomingTaskQueue::AddToIncomingQueue(tracked_objects::Location const&, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, base::TimeDelta, bool) ()
#4  0x00005555578cf67b in base::TaskRunner::PostTask(tracked_objects::Location const&, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) ()
#5  0x00005555578d6449 in base::(anonymous namespace)::PostTaskAndReplyRelay::RunTaskAndPostReply() ()
#6  0x0000555557902c21 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) ()
#7  0x000055555789d629 in base::MessageLoop::RunTask(base::PendingTask const&) ()
#8  0x000055555789ed9d in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) ()
#9  0x000055555789f240 in base::MessageLoop::DoWork() ()
#10 0x000055555789fe99 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#11 0x00005555578bd66a in base::RunLoop::Run() ()
#12 0x00005555578da296 in base::Thread::ThreadMain() ()
#13 0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#14 0x00007ffff7bc4464 in start_thread (arg=0x7fffdb66e700) at pthread_create.c:333
#15 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 62 (Thread 0x7fffbf7df700 (LWP 8267)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555578cacfd in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cadb4 in base::WaitableEvent::Wait() ()
#3  0x000055555789fee3 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffbf7df700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 61 (Thread 0x7fffc27e5700 (LWP 8266)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578dd339 in base::PosixDynamicThreadPool::WaitForTask() ()
#3  0x00005555578dd821 in base::(anonymous namespace)::WorkerThread::ThreadMain() ()
#4  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffc27e5700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 58 (Thread 0x7fffb034e700 (LWP 8263)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555578cacfd in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cadb4 in base::WaitableEvent::Wait() ()
#3  0x000055555789fee3 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffb034e700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 56 (Thread 0x7fffdbe6f700 (LWP 8261)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578dd339 in base::PosixDynamicThreadPool::WaitForTask() ()
#3  0x00005555578dd821 in base::(anonymous namespace)::WorkerThread::ThreadMain() ()
#4  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffdbe6f700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 55 (Thread 0x7fffc1fe4700 (LWP 8260)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555584a6508 in leveldb_env::ChromiumEnv::BGThread() ()
#2  0x00005555584a6699 in leveldb_env::ChromiumEnv::BGThreadWrapper(void*) ()
#3  0x00005555584a32fb in leveldb_env::Thread::ThreadMain() ()
#4  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffc1fe4700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 54 (Thread 0x7fffc8b8e700 (LWP 8255)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cad8d in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#3  0x000055555789ff21 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffc8b8e700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 53 (Thread 0x7fffb197d700 (LWP 8250)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555578d8939 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) ()
#2  0x00005555578d8f89 in base::SequencedWorkerPool::Worker::Run() ()
#3  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#4  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffb197d700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 52 (Thread 0x7fffb217e700 (LWP 8249)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555578cacfd in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cadb4 in base::WaitableEvent::Wait() ()
#3  0x000055555789fee3 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffb217e700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 51 (Thread 0x7fffb40ec700 (LWP 8248)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555578cacfd in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cadb4 in base::WaitableEvent::Wait() ()
#3  0x000055555789fee3 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffb40ec700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 50 (Thread 0x7fffb56be700 (LWP 8247)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555578d8939 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) ()
#2  0x00005555578d8f89 in base::SequencedWorkerPool::Worker::Run() ()
#3  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#4  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffb56be700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 49 (Thread 0x7fffb4e9d700 (LWP 8246)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555578d8939 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) ()
#2  0x00005555578d8f89 in base::SequencedWorkerPool::Worker::Run() ()
#3  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#4  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffb4e9d700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 47 (Thread 0x7fffb7424700 (LWP 8244)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffbe6302ab in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fffbe630107 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007ffff7bc4464 in start_thread (arg=0x7fffb7424700) at pthread_create.c:333
#4  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 46 (Thread 0x7fffb7c25700 (LWP 8243)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffbe6302ab in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fffbe630107 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007ffff7bc4464 in start_thread (arg=0x7fffb7c25700) at pthread_create.c:333
#4  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 45 (Thread 0x7fffb8426700 (LWP 8242)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffbe6302ab in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fffbe630107 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007ffff7bc4464 in start_thread (arg=0x7fffb8426700) at pthread_create.c:333
#4  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 44 (Thread 0x7fffb8c27700 (LWP 8241)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffbe6302ab in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fffbe630107 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007ffff7bc4464 in start_thread (arg=0x7fffb8c27700) at pthread_create.c:333
#4  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 43 (Thread 0x7fffb9a69700 (LWP 8240)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffbe6302ab in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fffbe630107 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007ffff7bc4464 in start_thread (arg=0x7fffb9a69700) at pthread_create.c:333
#4  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 42 (Thread 0x7fffbe057700 (LWP 8239)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055555aaa1498 in content::CategorizedWorkerPool::Run(std::vector<cc::TaskCategory, std::allocator<cc::TaskCategory> > const&, base::ConditionVariable*) ()
#2  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#3  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffbe057700) at pthread_create.c:333
#5  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 40 (Thread 0x7fffbffe0700 (LWP 8237)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055555aaa1498 in content::CategorizedWorkerPool::Run(std::vector<cc::TaskCategory, std::allocator<cc::TaskCategory> > const&, base::ConditionVariable*) ()
#2  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#3  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffbffe0700) at pthread_create.c:333
#5  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 39 (Thread 0x7fffc07e1700 (LWP 8236)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578dd339 in base::PosixDynamicThreadPool::WaitForTask() ()
#3  0x00005555578dd821 in base::(anonymous namespace)::WorkerThread::ThreadMain() ()
#4  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffc07e1700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 38 (Thread 0x7fffc0fe2700 (LWP 8235)):
#0  0x0000555557941cd0 in D32_Src_BitmapXferProc(void*, unsigned long, unsigned int) ()
#1  0x0000555557942b4b in SkDraw::drawPaint(SkPaint const&) const ()
#2  0x0000555557935a6a in SkCanvas::internalDrawPaint(SkPaint const&) ()
#3  0x0000555557935c22 in SkCanvas::onDrawPaint(SkPaint const&) ()
#4  0x0000555557937f00 in SkCanvas::drawColor(unsigned int, SkBlendMode) ()
#5  0x0000555558104da7 in cc::RasterSource::PrepareForPlaybackToCanvas(SkCanvas*) const ()
#6  0x0000555558105462 in cc::RasterSource::PlaybackToCanvas(SkCanvas*, cc::RasterSource::PlaybackSettings const&) const ()
#7  0x0000555558104bfb in cc::RasterSource::PlaybackToCanvas(SkCanvas*, gfx::Rect const&, gfx::Rect const&, float, cc::RasterSource::PlaybackSettings const&) const ()
#8  0x0000555558109b32 in cc::RasterBufferProvider::PlaybackToMemory(void*, cc::ResourceFormat, gfx::Size const&, unsigned long, cc::RasterSource const*, gfx::Rect const&, gfx::Rect const&, float, sk_sp<SkColorSpace>, cc::RasterSource::PlaybackSettings const&) ()
#9  0x0000555558108b3f in cc::OneCopyRasterBufferProvider::PlaybackToStagingBuffer(cc::StagingBuffer*, cc::Resource const*, cc::RasterSource const*, gfx::Rect const&, gfx::Rect const&, float, sk_sp<SkColorSpace>, cc::RasterSource::PlaybackSettings const&, unsigned long, unsigned long) ()
#10 0x0000555558109213 in cc::OneCopyRasterBufferProvider::PlaybackAndCopyOnWorkerThread(cc::Resource const*, cc::ResourceProvider::ScopedWriteLockGL*, gpu::SyncToken const&, cc::RasterSource const*, gfx::Rect const&, gfx::Rect const&, float, cc::RasterSource::PlaybackSettings const&, unsigned long, unsigned long) ()
#11 0x0000555558109359 in cc::OneCopyRasterBufferProvider::RasterBufferImpl::Playback(cc::RasterSource const*, gfx::Rect const&, gfx::Rect const&, unsigned long, float, cc::RasterSource::PlaybackSettings const&) ()
#12 0x00005555581307f1 in cc::(anonymous namespace)::RasterTaskImpl::RunOnWorkerThread() ()
#13 0x000055555aaa1282 in content::CategorizedWorkerPool::RunTaskInCategoryWithLockAcquired(cc::TaskCategory) ()
#14 0x000055555aaa1438 in content::CategorizedWorkerPool::RunTaskWithLockAcquired(std::vector<cc::TaskCategory, std::allocator<cc::TaskCategory> > const&) ()
#15 0x000055555aaa147b in content::CategorizedWorkerPool::Run(std::vector<cc::TaskCategory, std::allocator<cc::TaskCategory> > const&, base::ConditionVariable*) ()
#16 0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#17 0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#18 0x00007ffff7bc4464 in start_thread (arg=0x7fffc0fe2700) at pthread_create.c:333
#19 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 37 (Thread 0x7fffc17e3700 (LWP 8234)):
#0  0x0000555557941cd0 in D32_Src_BitmapXferProc(void*, unsigned long, unsigned int) ()
#1  0x0000555557942b4b in SkDraw::drawPaint(SkPaint const&) const ()
#2  0x0000555557935a6a in SkCanvas::internalDrawPaint(SkPaint const&) ()
#3  0x0000555557935c22 in SkCanvas::onDrawPaint(SkPaint const&) ()
#4  0x0000555557937f00 in SkCanvas::drawColor(unsigned int, SkBlendMode) ()
#5  0x0000555558104da7 in cc::RasterSource::PrepareForPlaybackToCanvas(SkCanvas*) const ()
#6  0x0000555558105462 in cc::RasterSource::PlaybackToCanvas(SkCanvas*, cc::RasterSource::PlaybackSettings const&) const ()
#7  0x0000555558104bfb in cc::RasterSource::PlaybackToCanvas(SkCanvas*, gfx::Rect const&, gfx::Rect const&, float, cc::RasterSource::PlaybackSettings const&) const ()
#8  0x0000555558109b32 in cc::RasterBufferProvider::PlaybackToMemory(void*, cc::ResourceFormat, gfx::Size const&, unsigned long, cc::RasterSource const*, gfx::Rect const&, gfx::Rect const&, float, sk_sp<SkColorSpace>, cc::RasterSource::PlaybackSettings const&) ()
#9  0x0000555558108b3f in cc::OneCopyRasterBufferProvider::PlaybackToStagingBuffer(cc::StagingBuffer*, cc::Resource const*, cc::RasterSource const*, gfx::Rect const&, gfx::Rect const&, float, sk_sp<SkColorSpace>, cc::RasterSource::PlaybackSettings const&, unsigned long, unsigned long) ()
#10 0x0000555558109213 in cc::OneCopyRasterBufferProvider::PlaybackAndCopyOnWorkerThread(cc::Resource const*, cc::ResourceProvider::ScopedWriteLockGL*, gpu::SyncToken const&, cc::RasterSource const*, gfx::Rect const&, gfx::Rect const&, float, cc::RasterSource::PlaybackSettings const&, unsigned long, unsigned long) ()
#11 0x0000555558109359 in cc::OneCopyRasterBufferProvider::RasterBufferImpl::Playback(cc::RasterSource const*, gfx::Rect const&, gfx::Rect const&, unsigned long, float, cc::RasterSource::PlaybackSettings const&) ()
#12 0x00005555581307f1 in cc::(anonymous namespace)::RasterTaskImpl::RunOnWorkerThread() ()
#13 0x000055555aaa1282 in content::CategorizedWorkerPool::RunTaskInCategoryWithLockAcquired(cc::TaskCategory) ()
#14 0x000055555aaa1438 in content::CategorizedWorkerPool::RunTaskWithLockAcquired(std::vector<cc::TaskCategory, std::allocator<cc::TaskCategory> > const&) ()
#15 0x000055555aaa147b in content::CategorizedWorkerPool::Run(std::vector<cc::TaskCategory, std::allocator<cc::TaskCategory> > const&, base::ConditionVariable*) ()
#16 0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#17 0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#18 0x00007ffff7bc4464 in start_thread (arg=0x7fffc17e3700) at pthread_create.c:333
#19 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 35 (Thread 0x7fffc2fe6700 (LWP 8230)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055555aaa1498 in content::CategorizedWorkerPool::Run(std::vector<cc::TaskCategory, std::allocator<cc::TaskCategory> > const&, base::ConditionVariable*) ()
#2  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#3  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffc2fe6700) at pthread_create.c:333
#5  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 33 (Thread 0x7fffc39f9700 (LWP 8229)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555578cacfd in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cadb4 in base::WaitableEvent::Wait() ()
#3  0x000055555789fee3 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffc39f9700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 31 (Thread 0x7fffc41fa700 (LWP 8228)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cad8d in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#3  0x000055555789ff21 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffc41fa700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 30 (Thread 0x7fffc51fc700 (LWP 8226)):
#0  0x00007fffecfeafd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff3201d98 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#2  0x00007ffff31ec07a in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#3  0x00005555578a0532 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffc51fc700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 29 (Thread 0x7fffc59fd700 (LWP 8225)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cad8d in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#3  0x000055555789ff21 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffc59fd700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 28 (Thread 0x7fffc769d700 (LWP 8224)):
#0  0x00007fffecfeafd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff3201d98 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#2  0x00007ffff31ec07a in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#3  0x00005555578a0532 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffc769d700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 27 (Thread 0x7fffc7e9e700 (LWP 8223)):
#0  0x00007ffff7bcd2ad in close () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055555789adca in base::SharedMemory::Close() ()
#2  0x000055555b7aa74b in gl::GLImageSharedMemory::Destroy(bool) ()
#3  0x000055555b810dc8 in gpu::gles2::ImageManager::RemoveImage(int) ()
#4  0x000055555afe4c4a in gpu::GpuCommandBufferStub::OnDestroyImage(int) ()
#5  0x000055555afe8204 in gpu::GpuCommandBufferStub::OnMessageReceived(IPC::Message const&) ()
#6  0x000055555aeac367 in IPC::MessageRouter::RouteMessage(IPC::Message const&) ()
#7  0x000055555afe24f5 in gpu::GpuChannel::HandleMessageHelper(IPC::Message const&) ()
#8  0x000055555afe25ae in gpu::GpuChannel::HandleMessage(scoped_refptr<gpu::GpuChannelMessageQueue> const&) ()
#9  0x0000555557902c21 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) ()
#10 0x000055555789d629 in base::MessageLoop::RunTask(base::PendingTask const&) ()
#11 0x000055555789ed9d in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) ()
#12 0x000055555789f240 in base::MessageLoop::DoWork() ()
#13 0x000055555789fe99 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#14 0x00005555578bd66a in base::RunLoop::Run() ()
#15 0x00005555578da296 in base::Thread::ThreadMain() ()
#16 0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#17 0x00007ffff7bc4464 in start_thread (arg=0x7fffc7e9e700) at pthread_create.c:333
#18 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 25 (Thread 0x7fffc938f700 (LWP 8221)):
#0  0x00007fffecfe156d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff6e3b9f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6e3bd82 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff2c644f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffff6e63345 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffc938f700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 24 (Thread 0x7fffc9b90700 (LWP 8220)):
#0  0x00007fffecfe156d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff6e3b9f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6e3bb0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff6e3bb51 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff6e63345 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffc9b90700) at pthread_create.c:333
#6  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 23 (Thread 0x7fffca6cd700 (LWP 8217)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578d87c0 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) ()
#3  0x00005555578d8f89 in base::SequencedWorkerPool::Worker::Run() ()
#4  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#5  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#6  0x00007ffff7bc4464 in start_thread (arg=0x7fffca6cd700) at pthread_create.c:333
#7  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 22 (Thread 0x7fffcb0ce700 (LWP 8216)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cad8d in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#3  0x000055555789ff21 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffcb0ce700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 21 (Thread 0x7fffd40cd700 (LWP 8208)):
#0  0x00007fffecfe156d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffef5e3eb1 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fffef5d5681 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fffef5d5d1e in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fffef5d5dd0 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fffef5e3df9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fffe32ea238 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-9.0.so
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffd40cd700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 20 (Thread 0x7fffd48ce700 (LWP 8207)):
#0  __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007ffff7bc6bc5 in __GI___pthread_mutex_lock (mutex=0x55555dc89340 <(anonymous namespace)::g_media_internals+160>) at ../nptl/pthread_mutex_lock.c:80
#2  0x00005555578ca51b in base::internal::LockImpl::Lock() ()
#3  0x0000555556eff180 in content::MediaInternals::CreateAudioLog(media::AudioLogFactory::AudioComponent) ()
#4  0x00005555561fd72d in media::AudioManagerBase::CreateAudioLog(media::AudioLogFactory::AudioComponent) ()
#5  0x0000555556204adf in media::AudioOutputDispatcherImpl::AudioOutputDispatcherImpl(media::AudioManager*, media::AudioParameters const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, base::TimeDelta const&) ()
#6  0x0000555556205f32 in media::AudioOutputResampler::Initialize() ()
#7  0x0000555556206571 in media::AudioOutputResampler::AudioOutputResampler(media::AudioManager*, media::AudioParameters const&, media::AudioParameters const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, base::TimeDelta const&) ()
#8  0x00005555561fea35 in media::AudioManagerBase::MakeAudioOutputStreamProxy(media::AudioParameters const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
#9  0x0000555556200a02 in media::AudioOutputController::DoCreate(bool) ()
#10 0x0000555557902c21 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) ()
#11 0x000055555789d629 in base::MessageLoop::RunTask(base::PendingTask const&) ()
#12 0x000055555789ed9d in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) ()
#13 0x000055555789f240 in base::MessageLoop::DoWork() ()
#14 0x000055555789fe99 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#15 0x00005555578bd66a in base::RunLoop::Run() ()
#16 0x00005555578da296 in base::Thread::ThreadMain() ()
#17 0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#18 0x00007ffff7bc4464 in start_thread (arg=0x7fffd48ce700) at pthread_create.c:333
#19 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 19 (Thread 0x7fffd50cf700 (LWP 8206)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555580a244d in cc::SingleThreadTaskGraphRunner::Run() ()
#2  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#3  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffd50cf700) at pthread_create.c:333
#5  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 18 (Thread 0x7fffd58d0700 (LWP 8205)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cad8d in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#3  0x000055555789ff21 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffd58d0700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 17 (Thread 0x7fffd60d1700 (LWP 8204)):
#0  0x000055555b9fa57b in __start_google_malloc ()
#1  0x0000555556046737 in operator new(unsigned long, std::nothrow_t const&) ()
#2  0x00005555578ffba1 in base::DictionaryValue::SetWithoutPathExpansion(base::BasicStringPiece<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::unique_ptr<base::Value, std::default_delete<base::Value> >) ()
#3  0x00005555579004f1 in base::DictionaryValue::DeepCopy() const ()
#4  0x0000555556f03371 in content::MediaInternals::UpdateAudioLog(content::MediaInternals::AudioLogUpdateType, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, base::DictionaryValue const*) ()
#5  0x0000555556f038ef in content::AudioLogImpl::OnCreated(int, media::AudioParameters const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
#6  0x0000555556f5d199 in content::AudioRendererHost::OnCreateStream(int, int, media::AudioParameters const&) ()
#7  0x0000555556f5d60d in content::AudioRendererHost::OnMessageReceived(IPC::Message const&) ()
#8  0x0000555556ca856b in content::BrowserMessageFilter::Internal::OnMessageReceived(IPC::Message const&) ()
#9  0x000055555804eeee in IPC::(anonymous namespace)::TryFiltersImpl(std::vector<IPC::MessageFilter*, std::allocator<IPC::MessageFilter*> >&, IPC::Message const&) ()
#10 0x000055555803ac88 in IPC::ChannelProxy::Context::TryFilters(IPC::Message const&) ()
#11 0x000055555803ad91 in IPC::ChannelProxy::Context::OnMessageReceived(IPC::Message const&) ()
#12 0x000055555803490d in IPC::ChannelMojo::OnMessageReceived(IPC::Message const&) ()
#13 0x000055555803f651 in IPC::internal::MessagePipeReader::Receive(std::vector<unsigned char, std::allocator<unsigned char> > const&, base::Optional<std::vector<mojo::StructPtr<IPC::mojom::SerializedHandle>, std::allocator<mojo::StructPtr<IPC::mojom::SerializedHandle> > > >) ()
#14 0x00005555561a683d in IPC::mojom::ChannelStub::Accept(mojo::Message*) ()
#15 0x0000555557c01651 in mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) ()
#16 0x0000555558044fe8 in IPC::(anonymous namespace)::ChannelAssociatedGroupController::Accept(mojo::Message*) [clone .part.206] ()
#17 0x0000555557bfeda1 in mojo::Connector::ReadSingleMessage(unsigned int*) ()
#18 0x0000555557bfeeee in mojo::Connector::ReadAllAvailableMessages() ()
#19 0x0000555557c0c0a5 in mojo::Watcher::OnHandleReady(unsigned int) ()
#20 0x0000555557902c21 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) ()
#21 0x000055555789d629 in base::MessageLoop::RunTask(base::PendingTask const&) ()
#22 0x000055555789ed9d in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) ()
#23 0x000055555789f240 in base::MessageLoop::DoWork() ()
#24 0x00005555578a04d2 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ()
#25 0x00005555578bd66a in base::RunLoop::Run() ()
#26 0x0000555556d4c1b8 in content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) ()
#27 0x0000555556d4c6b3 in content::BrowserThreadImpl::Run(base::RunLoop*) ()
#28 0x00005555578da360 in base::Thread::ThreadMain() ()
#29 0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#30 0x00007ffff7bc4464 in start_thread (arg=0x7fffd60d1700) at pthread_create.c:333
#31 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 16 (Thread 0x7fffd68d2700 (LWP 8203)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cad8d in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#3  0x000055555789ff21 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x0000555556d4c108 in content::BrowserThreadImpl::CacheThreadRun(base::RunLoop*) ()
#6  0x0000555556d4c71b in content::BrowserThreadImpl::Run(base::RunLoop*) ()
#7  0x00005555578da360 in base::Thread::ThreadMain() ()
#8  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#9  0x00007ffff7bc4464 in start_thread (arg=0x7fffd68d2700) at pthread_create.c:333
#10 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 15 (Thread 0x7fffd70d3700 (LWP 8202)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555578cacfd in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cadb4 in base::WaitableEvent::Wait() ()
#3  0x000055555789fee3 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x0000555556d4c058 in content::BrowserThreadImpl::ProcessLauncherThreadRun(base::RunLoop*) ()
#6  0x0000555556d4c703 in content::BrowserThreadImpl::Run(base::RunLoop*) ()
#7  0x00005555578da360 in base::Thread::ThreadMain() ()
#8  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#9  0x00007ffff7bc4464 in start_thread (arg=0x7fffd70d3700) at pthread_create.c:333
#10 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 14 (Thread 0x7fffd78d4700 (LWP 8201)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005555578cacfd in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cadb4 in base::WaitableEvent::Wait() ()
#3  0x000055555789fee3 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x0000555556d4bfa8 in content::BrowserThreadImpl::FileUserBlockingThreadRun(base::RunLoop*) ()
#6  0x0000555556d4c6f3 in content::BrowserThreadImpl::Run(base::RunLoop*) ()
#7  0x00005555578da360 in base::Thread::ThreadMain() ()
#8  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#9  0x00007ffff7bc4464 in start_thread (arg=0x7fffd78d4700) at pthread_create.c:333
#10 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 13 (Thread 0x7fffd80d5700 (LWP 8200)):
#0  0x00007fffecfeafd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff3201d98 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#2  0x00007ffff31ec07a in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#3  0x00005555578a05e5 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x0000555556d4bef8 in content::BrowserThreadImpl::FileThreadRun(base::RunLoop*) ()
#6  0x0000555556d4c6e3 in content::BrowserThreadImpl::Run(base::RunLoop*) ()
#7  0x00005555578da360 in base::Thread::ThreadMain() ()
#8  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#9  0x00007ffff7bc4464 in start_thread (arg=0x7fffd80d5700) at pthread_create.c:333
#10 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 12 (Thread 0x7fffd88d6700 (LWP 8199)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578cad8d in base::WaitableEvent::TimedWait(base::TimeDelta const&) ()
#3  0x000055555789ff21 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x0000555556d4be48 in content::BrowserThreadImpl::DBThreadRun(base::RunLoop*) ()
#6  0x0000555556d4c6d3 in content::BrowserThreadImpl::Run(base::RunLoop*) ()
#7  0x00005555578da360 in base::Thread::ThreadMain() ()
#8  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#9  0x00007ffff7bc4464 in start_thread (arg=0x7fffd88d6700) at pthread_create.c:333
#10 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 11 (Thread 0x7fffd90d7700 (LWP 8198)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578d87c0 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) ()
#3  0x00005555578d8f89 in base::SequencedWorkerPool::Worker::Run() ()
#4  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#5  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#6  0x00007ffff7bc4464 in start_thread (arg=0x7fffd90d7700) at pthread_create.c:333
#7  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 10 (Thread 0x7fffd98d8700 (LWP 8197)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000555557907e22 in base::ConditionVariable::TimedWait(base::TimeDelta const&) ()
#2  0x00005555578d87c0 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) ()
#3  0x00005555578d8f89 in base::SequencedWorkerPool::Worker::Run() ()
#4  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#5  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#6  0x00007ffff7bc4464 in start_thread (arg=0x7fffd98d8700) at pthread_create.c:333
#7  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7fffdc677700 (LWP 8194)):
#0  0x00007fffecfe32b3 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000555557887a6f in base::(anonymous namespace)::InotifyReaderCallback(base::(anonymous namespace)::InotifyReader*, int) ()
#2  0x0000555557902c21 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) ()
#3  0x000055555789d629 in base::MessageLoop::RunTask(base::PendingTask const&) ()
#4  0x000055555789ed9d in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) ()
#5  0x000055555789f240 in base::MessageLoop::DoWork() ()
#6  0x000055555789fe99 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) ()
#7  0x00005555578bd66a in base::RunLoop::Run() ()
#8  0x00005555578da296 in base::Thread::ThreadMain() ()
#9  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#10 0x00007ffff7bc4464 in start_thread (arg=0x7fffdc677700) at pthread_create.c:333
#11 0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7fffdc67f700 (LWP 8193)):
#0  0x00007ffff7bcd24d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00005555576fe597 in (anonymous namespace)::ShutdownDetector::ThreadMain() ()
#2  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#3  0x00007ffff7bc4464 in start_thread (arg=0x7fffdc67f700) at pthread_create.c:333
#4  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7fffdce80700 (LWP 8192)):
#0  0x00007fffecfeafd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff3201d98 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#2  0x00007ffff31ec07a in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#3  0x00005555578a05e5 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffdce80700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7fffdd681700 (LWP 8191)):
#0  0x00007fffecfeafd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff3201d98 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#2  0x00007ffff31ec07a in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#3  0x00005555578a0532 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x00005555578da296 in base::Thread::ThreadMain() ()
#6  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffdd681700) at pthread_create.c:333
#8  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7fffde28a700 (LWP 8190)):
#0  0x00007ffff7bcdb7b in __waitpid (pid=8186, stat_loc=0x0, options=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
#1  0x00005555578b6876 in base::(anonymous namespace)::BackgroundReaper::ThreadMain() ()
#2  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#3  0x00007ffff7bc4464 in start_thread (arg=0x7fffde28a700) at pthread_create.c:333
#4  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7fffdea8b700 (LWP 8185)):
#0  0x00007fffecfe156d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000555556fbd572 in content::SandboxIPCHandler::Run() ()
#2  0x00005555578d9d90 in base::SimpleThread::ThreadMain() ()
#3  0x00005555578d6322 in base::(anonymous namespace)::ThreadFunc(void*) ()
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffdea8b700) at pthread_create.c:333
#5  0x00007fffecfea9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7ffff7efcb40 (LWP 8177)):
#0  0x00007fffecfe156d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff6e3b9f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff6e3bb0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00005555578a012a in base::MessagePumpGlib::Run(base::MessagePump::Delegate*) ()
#4  0x00005555578bd66a in base::RunLoop::Run() ()
#5  0x000055555773c49c in ChromeBrowserMainParts::MainMessageLoopRun(int*) ()
#6  0x0000555556d3f00a in content::BrowserMainLoop::RunMainMessageLoopParts() ()
#7  0x0000555556d41abd in content::BrowserMainRunnerImpl::Run() ()
#8  0x0000555556d3a321 in content::BrowserMain(content::MainFunctionParams const&) ()
#9  0x00005555574c38c8 in content::ContentMainRunnerImpl::Run() ()
#10 0x00005555574c1ac9 in content::ContentMain(content::ContentMainParams const&) ()
#11 0x00005555560405bc in ChromeMain ()
#12 0x00007fffecf222b1 in __libc_start_main (main=0x55555603dcd0 <main>, argc=7, argv=0x7fffffffdfc8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffdfb8) at ../csu/libc-start.c:291
#13 0x000055555604046a in _start ()
(gdb) quit
A debugging session is active.

	Inferior 1 [process 8177] will be killed.

Quit anyway? (y or n) y


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