#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:39
No locals.
#1  0x00007f838d23e5cf in base::internal::SpinLockDelay (
    w=0x7f839136df40 <tcmalloc::Static::pageheap_lock_>, value=2, loop=<optimized out>)
    at third_party/tcmalloc/chromium/src/base/spinlock_linux-inl.h:98
        save_errno = 2
        tm = {tv_sec = 0, tv_nsec = 180582080}
#2  0x00007f838d23e4cc in SpinLock::SlowLock (
    this=0x7f839136df40 <tcmalloc::Static::pageheap_lock_>)
    at third_party/tcmalloc/chromium/src/base/spinlock.cc:132
        wait_start_time = 6340333666956337
        wait_cycles = 1060221479
        lock_value = <optimized out>
        lock_wait_call_count = 12092
#3  0x00007f838ffbc97e in Lock (this=<optimized out>)
    at ./third_party/tcmalloc/chromium/src/base/spinlock.h:75
No locals.
#4  SpinLockHolder (l=<optimized out>, this=<synthetic pointer>)
    at ./third_party/tcmalloc/chromium/src/base/spinlock.h:141
No locals.
#5  do_malloc_pages (size=253952, heap=0x7f83931199c0)
    at ./third_party/tcmalloc/chromium/src/tcmalloc.cc:1062
        span = <optimized out>
        result = <optimized out>
        report_large = <optimized out>
        num_pages = 62
#6  do_malloc (size=253743) at ./third_party/tcmalloc/chromium/src/tcmalloc.cc:1100
        ret = 0x0
        heap = 0x7f83931199c0
#7  cpp_alloc (size=<optimized out>, nothrow=<optimized out>)
    at ./third_party/tcmalloc/chromium/src/tcmalloc.cc:1400
No locals.
#8  do_malloc_or_cpp_alloc (size=253743) at ./third_party/tcmalloc/chromium/src/tcmalloc.cc:1023
No locals.
#9  do_calloc (elem_size=<optimized out>, n=<optimized out>)
    at ./third_party/tcmalloc/chromium/src/tcmalloc.cc:1112
        size = 253743
#10 tc_calloc (n=<optimized out>, elem_size=<optimized out>)
    at ./third_party/tcmalloc/chromium/src/tcmalloc.cc:1557
        result = 0x7f83931199c0
#11 0x00007f838055e3ac in ?? () from /usr/lib64/libGL.so.1
No symbol table info available.
#12 0x00007f837d4e69ef in ?? () from /usr/lib64/libnvidia-glcore.so.310.19
No symbol table info available.
#13 0x00007f83805371fd in ?? () from /usr/lib64/libGL.so.1
No symbol table info available.
#14 0x00007f838053d9ff in ?? () from /usr/lib64/libGL.so.1
No symbol table info available.
#15 0x00007f838053db34 in ?? () from /usr/lib64/libGL.so.1
No symbol table info available.
#16 0x00007f838053e33f in ?? () from /usr/lib64/libGL.so.1
No symbol table info available.
#17 0x00007f83823eb7ae in __libc_fork () at ../nptl/sysdeps/unix/sysv/linux/x86_64/../fork.c:189
        self = <optimized out>
        now = <optimized out>
        pid = 0
        allp = 0x7f837746ccf0
        runp = <optimized out>
        ppid = <optimized out>
        parentpid = <optimized out>
        __PRETTY_FUNCTION__ = "__libc_fork"
#18 0x00007f838d8ddd45 in base::LaunchProcess (argv=std::vector of length 4, capacity 4 = {...}, 
    options=..., process_handle=0x7f837746cf7c) at base/process_util_posix.cc:592
        fd_shuffle1 = std::vector of length 0, capacity 0
        argv_cstr = {array_ = 0x7f8396a5e480}
        pid = <optimized out>
        fd_shuffle_size = 0
        fd_shuffle2 = std::vector of length 0, capacity 0
        new_environ = {array_ = 0x0}
#19 0x00007f838f1eedc6 in content::ZygoteHostImpl::AdjustRendererOOMScore (this=<optimized out>, 
    pid=8257, score=300) at content/browser/zygote_host/zygote_host_impl_linux.cc:396
        adj_oom_score_cmdline = std::vector of length 4, capacity 4 = {
    "/usr/lib64/chromium-browser/chrome_sandbox", "--adjust-oom-score", "8257", "300"}
        sandbox_helper_process = <optimized out>
        selinux = false
        selinux_valid = true
#20 0x00007f838f1efd29 in content::ZygoteHostImpl::ForkRequest (this=0x7f839319a640, argv=..., 
    mapping=..., process_type=...) at content/browser/zygote_host/zygote_host_impl_linux.cc:335
        pickle = {_vptr.Pickle = 0x7f839112fa30 <vtable for Pickle+16>, static kPayloadUnit = 64, 
          header_ = 0x7f8395804800, header_size_ = 4, capacity_ = 1664, 
          variable_buffer_offset_ = 0}
        fds = std::vector of length 1, capacity 1 = {142}
        autodelete_fds = std::vector of length 0, capacity 0
        pid = 8257
        kLowestRendererOomScore = 300
#21 0x00007f838f0e458a in content::ChildProcessLauncher::Context::LaunchInternal (this_object=..., 
    client_thread_id=content::BrowserThread::UI, child_process_id=10, use_zygote=true, 
    env=std::vector of length 0, capacity 0, ipcfd=142, cmd_line=0x7f8396dec870)
    at content/browser/child_process_launcher.cc:206
        handle = 0
        process_type = "renderer"
        files_to_register = std::vector of length 1, capacity 1 = {{id = 0, fd = {fd = 142, 
              auto_close = false}}}
        __FUNCTION__ = "LaunchInternal"
        cmd_line_deleter = {ptr_ = 0x7f8396dec870}
        ipcfd_closer = {ptr_ = <synthetic pointer>}
#22 0x00007f838f0e3fda in Run (a5=..., a1=..., this=<synthetic pointer>, a2=<optimized out>, 
    a3=<optimized out>, a4=<optimized out>, a6=<optimized out>, a7=<optimized out>)
    at ./base/bind_internal.h:584
No locals.
#23 MakeItSo (a7=@0x7f839392afb0: 0x7f8396dec870, a6=@0x7f839392afa8: 142, 
    a5=std::vector of length 0, capacity 0, a4=@0x7f839392af88: true, a3=@0x7f839392af84: 10, 
    a2=@0x7f839392af80: content::BrowserThread::UI, a1=0x7f8396a64510, runnable=...)
    at ./base/bind_internal.h:1068
No locals.
#24 base::internal::Invoker<7, base::internal::BindState<base::internal::RunnableAdapter<void (*)(scoped_refptr<content::ChildProcessLauncher::Context>, content::BrowserThread::ID, int, bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, int, CommandLine*)>, void (scoped_refptr<content::ChildProcessLauncher::Context>, content::BrowserThread::ID, int, bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, int, CommandLine*), void (scoped_refptr<content::ChildProcessLauncher::Context>, content::BrowserThread::ID, int, bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > >, int, CommandLine*)>, void (scoped_refptr<content::ChildProcessLauncher::Context>, content::BrowserThread::ID, int, bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, int, CommandLine*)>::Run(base::internal::BindStateBase*) (base=0x7f839392af60)
    at ./base/bind_internal.h:2518
        storage = 0x7f839392af60
        x1 = 0x7f8396a64510
#25 0x00007f838d8c4e13 in Run (this=0x7f837746e1e8) at ./base/callback.h:396
        f = <optimized out>
#26 MessageLoop::RunTask (this=this@entry=0x7f837746eac0, pending_task=...)
    at base/message_loop.cc:473
        program_counter = 0x7f838f0e353a <content::ChildProcessLauncher::Context::Launch(bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, int, CommandLine*, int, content::ChildProcessLauncher::Client*)+346>
        start_time = {ms_ = 2253966833}
        trace_event_unique_atomic452 = 140203053752772
        trace_event_unique_catstatic452 = <optimized out>
        trace_event_unique_profileScope452 = {p_data_ = 0x0, data_ = {
            category_enabled = 0x7f8393233000 "\001", 
            name = 0x7f837746e010 "p\373\022\221\203\177"}}
#27 0x00007f838d8c5cf8 in MessageLoop::DeferOrRunPendingTask (this=this@entry=0x7f837746eac0, 
    pending_task=...) at base/message_loop.cc:485
No locals.
#28 0x00007f838d8c78a9 in DoWork (this=<optimized out>) at base/message_loop.cc:668
        pending_task = {<base::TrackingInfo> = {birth_tally = 0x7f8394205150, time_posted = {
              ticks_ = 2253966833905}, delayed_run_time = {ticks_ = 0}}, 
          task = {<base::internal::CallbackBase> = {bind_state_ = {ptr_ = 0x7f839392af60}, 
              polymorphic_invoke_ = 0x7f838f0e3f60 <base::internal::Invoker<7, base::internal::BindState<base::internal::RunnableAdapter<void (*)(scoped_refptr<content::ChildProcessLauncher::Context>, content::BrowserThread::ID, int, bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, int, CommandLine*)>, void (scoped_refptr<content::ChildProcessLauncher::Context>, content::BrowserThread::ID, int, bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, int, CommandLine*), void (scoped_refptr<content::ChildProcessLauncher::Context>, content::BrowserThread::ID, int, bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > >, int, CommandLine*)>, void (scoped_refptr<content::ChildProcessLauncher::Context>, content::BrowserThread::ID, int, bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, int, CommandLine*)>::Run(base::internal::BindStateBase*)>}, <No data fields>}, posted_from = {
            function_name_ = 0x7f83901cf4c6 <content::ChildProcessLauncher::Context::Launch(bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, int, CommandLine*, int, content::ChildProcessLauncher::Client*)::__FUNCTION__> "Launch", 
            file_name_ = 0x7f83901cf378 "content/browser/child_process_launcher.cc", 
            line_number_ = 92, 
            program_counter_ = 0x7f838f0e353a <content::ChildProcessLauncher::Context::Launch(bool, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, int, CommandLine*, int, content::ChildProcessLauncher::Client*)+346>}, 
          sequence_num = 17, nestable = true}
#29 MessageLoop::DoWork (this=0x7f837746eac0) at base/message_loop.cc:647
No locals.
#30 0x00007f838d8caba9 in base::MessagePumpDefault::Run (this=0x7f83932678e0, 
    delegate=0x7f837746eac0) at base/message_pump_default.cc:29
        did_work = <optimized out>
#31 0x00007f838d8c7964 in MessageLoop::RunInternal (this=0x7f837746eac0)
    at base/message_loop.cc:430
No locals.
#32 0x00007f838d8df798 in base::RunLoop::Run (this=0x7f837746e5b0) at base/run_loop.cc:45
No locals.
#33 0x00007f838d8c4234 in MessageLoop::Run (this=<optimized out>) at base/message_loop.cc:310
        run_loop = {loop_ = 0x7f837746eac0, weak_factory_ = {weak_reference_owner_ = {flag_ = {
                ptr_ = 0x0}}, ptr_ = 0x7f837746e5b0}, previous_run_loop_ = 0x0, dispatcher_ = 0x0, 
          run_depth_ = 1, run_called_ = true, quit_called_ = false, running_ = true, 
          quit_when_idle_received_ = false}
#34 0x00007f838f0df4f4 in content::BrowserThreadImpl::ProcessLauncherThreadRun (
    this=this@entry=0x7f8393233910, message_loop=message_loop@entry=0x7f837746eac0)
    at content/browser/browser_thread_impl.cc:137
        line_number = 136
#35 0x00007f838f0e0143 in content::BrowserThreadImpl::Run (this=0x7f8393233910, 
    message_loop=0x7f837746eac0) at content/browser/browser_thread_impl.cc:173
        thread_id = <optimized out>
#36 0x00007f838d8f923f in base::Thread::ThreadMain (this=0x7f8393233910)
    at base/threading/thread.cc:195
        message_loop = {<base::MessagePump::Delegate> = {
            _vptr.Delegate = 0x7f839112f510 <vtable for MessageLoop+16>}, 
          static kHighResolutionTimerModeLeaseTimeMs = 1000, type_ = MessageLoop::TYPE_DEFAULT, 
          work_queue_ = {<std::queue<base::PendingTask, std::deque<base::PendingTask, std::allocator<base::PendingTask> > >> = std::queue wrapping: std::deque with 0 elements, <No data fields>}, 
          delayed_work_queue_ = std::priority_queue wrapping: std::vector of length 0, capacity 0, 
          recent_time_ = {ticks_ = 0}, 
          deferred_non_nestable_work_queue_ = {<std::queue<base::PendingTask, std::deque<base::PendingTask, std::allocator<base::PendingTask> > >> = std::queue wrapping: std::deque with 0 elements, <No data fields>}, pump_ = {ptr_ = 0x7f83932678e0}, 
          destruction_observers_ = {<ObserverListBase<MessageLoop::DestructionObserver>> = {<base::SupportsWeakPtr<ObserverListBase<MessageLoop::DestructionObserver> >> = {<base::internal::SupportsWeakPtrBase> = {<No data fields>}, weak_reference_owner_ = {flag_ = {ptr_ = 0x0}}}, 
              observers_ = std::vector of length 0, capacity 0, notify_depth_ = 0, 
              type_ = ObserverListBase<MessageLoop::DestructionObserver>::NOTIFY_ALL}, <No data fields>}, nestable_tasks_allowed_ = false, exception_restoration_ = false, thread_name_ = 
    "Chrome_ProcessLauncherThread", message_histogram_ = 0x0, 
          incoming_queue_ = {<std::queue<base::PendingTask, std::deque<base::PendingTask, std::allocator<base::PendingTask> > >> = std::queue wrapping: std::deque with 0 elements, <No data fields>}, 
          incoming_queue_lock_ = {lock_ = {os_lock_ = {__data = {__lock = 0, __count = 0, 
                  __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, 
                    __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}}, 
          run_loop_ = 0x7f837746e5b0, next_sequence_num_ = 18, 
          task_observers_ = {<ObserverListBase<MessageLoop::TaskObserver>> = {<base::SupportsWeakPtr<ObserverListBase<MessageLoop::TaskObserver> >> = {<base::internal::SupportsWeakPtrBase> = {<No data fields>}, weak_reference_owner_ = {flag_ = {ptr_ = 0x0}}}, 
              observers_ = std::vector of length 0, capacity 0, notify_depth_ = 0, 
              type_ = ObserverListBase<MessageLoop::TaskObserver>::NOTIFY_ALL}, <No data fields>}, 
          message_loop_proxy_ = {ptr_ = 0x7f83932687c0}, thread_task_runner_handle_ = {
            ptr_ = 0x7f83932313c0}}
#37 0x00007f838d8f4b11 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>)
    at base/threading/platform_thread_posix.cc:65
        thread_params = <optimized out>
        delegate = 0x7f8393233910
#38 0x00007f838c7af006 in start_thread (arg=0x7f837746f700) at pthread_create.c:305
        __res = <optimized out>
        pd = 0x7f837746f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3161401037751795433, 140733276594192, 
                140202618583488, 140202978725888, 3, -3109344169468936471, -3109571115645190423}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, 
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#39 0x00007f838241bbad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
No locals.
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