.
Thread 3 (Thread 0x7fc0e5d4f700 (LWP 3119)):
#0  0x00007fc0f266de23 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fc1036e294c in ?? () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#2  0x00007fc1036e0b37 in ?? () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#3  0x00007fc10364a511 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#4  0x00007fc1036b0438 in base::RunLoop::Run() () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#5  0x00007fc103692135 in base::MessageLoop::Run() () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#6  0x00007fc1036cae67 in base::Thread::ThreadMain() () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#7  0x00007fc1036c622e in ?? () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#8  0x00007fc0f29400a5 in start_thread (arg=0x7fc0e5d4f700) at pthread_create.c:309
        __res = <optimised out>
        pd = 0x7fc0e5d4f700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140466466387712, 3208833095481602734, 0, 0, 140466466388416, 140466466387712, -3239817547243933010, -3239788410857540946}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007fc0f266d84d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 2 (Thread 0x7fc0e8e0e700 (LWP 3118)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007fc1036c0872 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#2  0x00007fc1036c104b in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#3  0x00007fc103697238 in ?? () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#4  0x00007fc1036b0438 in base::RunLoop::Run() () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#5  0x00007fc103692135 in base::MessageLoop::Run() () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#6  0x00007fc1036cae67 in base::Thread::ThreadMain() () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#7  0x00007fc1036c622e in ?? () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#8  0x00007fc0f29400a5 in start_thread (arg=0x7fc0e8e0e700) at pthread_create.c:309
        __res = <optimised out>
        pd = 0x7fc0e8e0e700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140466517501696, 3208833095481602734, 0, 0, 140466517502400, 140466517501696, -3239845756052262226, -3239788410857540946}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007fc0f266d84d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 1 (Thread 0x7fc1086aaa00 (LWP 3097)):
#0  0x00007fc0e6b1963f in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#1  0x00007fc0e6ad2192 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#2  0x00007fc0ff2fdec8 in ?? () from /usr/lib/chromium-browser/libs/libgpu.so
No symbol table info available.
#3  0x00007fc0f8a1d8c8 in ?? () from /usr/lib/chromium-browser/libs/libcontent.so
No symbol table info available.
#4  0x00007fc0f8a1eb71 in ?? () from /usr/lib/chromium-browser/libs/libcontent.so
No symbol table info available.
#5  0x00007fc0f8a31272 in ?? () from /usr/lib/chromium-browser/libs/libcontent.so
No symbol table info available.
#6  0x00007fc0f8a16542 in ?? () from /usr/lib/chromium-browser/libs/libcontent.so
No symbol table info available.
#7  0x00007fc103692e29 in base::MessageLoop::RunTask(base::PendingTask const&) () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#8  0x00007fc1036938e1 in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask const&) () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#9  0x00007fc103696e70 in base::MessageLoop::DoWork() () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#10 0x00007fc10364a091 in base::MessagePumpGlib::Run(base::MessagePump::Delegate*) () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#11 0x00007fc1036b0438 in base::RunLoop::Run() () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#12 0x00007fc103692135 in base::MessageLoop::Run() () from /usr/lib/chromium-browser/libs/libbase.so
No symbol table info available.
#13 0x00007fc0f8a4d1e5 in ?? () from /usr/lib/chromium-browser/libs/libcontent.so
No symbol table info available.
#14 0x00007fc0f860a5a5 in ?? () from /usr/lib/chromium-browser/libs/libcontent.so
No symbol table info available.
#15 0x00007fc0f8608c41 in content::ContentMain(content::ContentMainParams const&) () from /usr/lib/chromium-browser/libs/libcontent.so
No symbol table info available.
#16 0x00007fc108b4d048 in ?? ()
No symbol table info available.
#17 0x00007fc0f2594ec5 in __libc_start_main (main=0x7fc108b4cde0, argc=10, argv=0x7fff99f01bc8, init=<optimised out>, fini=<optimised out>, rtld_fini=<optimised out>, stack_end=0x7fff99f01bb8) at libc-start.c:287
        result = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3208833095481602734, 140467051482858, 140735776037824, 0, 0, -3209057370989481298, -3239790174413475154}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fff99f01c20, 0x7fc10872a1c8}, data = {prev = 0x0, cleanup = 0x0, canceltype = -1712317408}}}
        not_first_call = <optimised out>
#18 0x00007fc108b4cf13 in ?? ()
No symbol table info available.