Following is kb in windbg , please help , any tips is appreciate , many thanks !!!
0:006> kb
# RetAddr : Args to Child : Call Site
00 00007ff9`a78b7c7c : 00000156`928208b0 00007ff9`a9c7fdf0 00000000`00000001 00007ff9`a9c7fdf0 : chrome!base::debug::BreakDebugger+0xd [c:\chromium\master\src\base\debug\debugger_win.cc @ 21]
01 00007ff9`a79434f1 : 00000000`00000804 00000000`00000000 00000156`8e850000 00007ffa`0f2d2c95 : chrome!logging::LogMessage::~LogMessage+0x3ec [c:\chromium\master\src\base\logging.cc @ 855]
02 00007ff9`a7944069 : 00000156`8e850000 00000156`99388e60 00000156`99443260 00000000`00000000 : chrome!ui::ReplaceTemplateExpressions+0x54a [c:\chromium\master\src\ui\base\template_expressions.cc @ 113]
03 00007ff9`a7a7ae17 : 00000000`00008000 00007ff9`a7a7ad45 00000156`99388e60 00000156`99322740 : chrome!ui::I18nSourceStream::FilterData+0x133 [c:\chromium\master\src\ui\base\webui\i18n_source_stream.cc @ 63]
04 00007ff9`a7a7a922 : 00000000`00000003 00000000`00000040 00000000`00000005 00007ff9`a7928bbb : chrome!net::FilterSourceStream::DoFilterData+0x55 [c:\chromium\master\src\net\filter\filter_source_stream.cc @ 155]
05 00007ff9`a7a7a86d : 00000000`00000040 00000000`00008000 00000156`92a5a380 00007ff9`a94b1cdb : chrome!net::FilterSourceStream::DoLoop+0x36 [c:\chromium\master\src\net\filter\filter_source_stream.cc @ 111]
06 00007ff9`a7aa4089 : 00000000`00000002 00000000`00000000 00000156`8e850000 00007ffa`0f2d2c95 : chrome!net::FilterSourceStream::Read+0x61 [c:\chromium\master\src\net\filter\filter_source_stream.cc @ 61]
07 00007ff9`a7aa24fc : 00000000`00000000 00000000`50000063 00000156`8e850000 00007ffa`0f2d0568 : chrome!net::URLRequestJob::Read+0xdd [c:\chromium\master\src\net\url_request\url_request_job.cc @ 135]
08 00007ff9`a73f7ecd : 00000156`8e858e30 00000156`8e858ee0 00007ff9`a97a1270 00000000`00000010 : chrome!net::URLRequest::Read+0x7c [c:\chromium\master\src\net\url_request\url_request.cc @ 763]
09 00007ff9`a73f993f : 00000044`869ff060 00007ff9`a73e17f4 00000000`40000062 00007ff9`a73f94cf : chrome!content::ResourceLoader::ReadMore+0x6b [c:\chromium\master\src\content\browser\loader\resource_loader.cc @ 730]
0a 00007ff9`a73f8f4e : 00000156`8e850000 00007ffa`0f2d0568 00000156`8e850000 00000044`869ff0c0 : chrome!content::ResourceLoader::PrepareToReadMore+0xa7 [c:\chromium\master\src\content\browser\loader\resource_loader.cc @ 717]
0b 00007ff9`a73f8da9 : 00000044`869ff260 00000044`869ff118 00000044`869ff240 00007ff9`a7e17e51 : chrome!content::ResourceLoader::CompleteRead+0xc4 [c:\chromium\master\src\content\browser\loader\resource_loader.cc @ 781]
0c 00007ff9`a84eebf5 : 00000044`869ff260 00000000`00001578 00000001`00000000 00007ffa`0c2c9ea2 : chrome!content::ResourceLoader::OnReadCompleted+0x65 [c:\chromium\master\src\content\browser\loader\resource_loader.cc @ 464]
0d 00007ff9`a78bf49c : 00000000`00000128 00007ff9`a7086436 00000044`869ff3d8 00007ff9`a79241f3 : chrome!base::debug::TaskAnnotator::RunTask+0x135 [c:\chromium\master\src\base\debug\task_annotator.cc @ 101]
0e 00007ff9`a78bf9f8 : 00000090`ae2a20ae 00007ff9`a97c3900 0000764c`aef14dd9 0000764c`aef14d79 : chrome!base::MessageLoop::RunTask+0x23c [c:\chromium\master\src\base\message_loop\message_loop.cc @ 320]
0f 00007ff9`a78c139a : 402a0000`00000000 00000044`869ff690 00000156`8c800000 00000044`869ff710 : chrome!base::MessageLoop::DoWork+0x198 [c:\chromium\master\src\base\message_loop\message_loop.cc @ 373]
10 00007ff9`a78c06a8 : 00000000`00000000 00007ffa`0e4a1e36 00000044`869ff7c0 00000000`00000002 : chrome!base::MessagePumpForIO::DoRunLoop+0x14a [c:\chromium\master\src\base\message_loop\message_pump_win.cc @ 478]
11 00007ff9`a78df251 : 00007ff9`a9c8bbe8 00000000`00000000 00000044`869ff7c0 00007ff9`a78df1c5 : chrome!base::MessagePumpWin::Run+0x68 [c:\chromium\master\src\base\message_loop\message_pump_win.cc @ 58]
12 00007ff9`a72540be : 00000044`869ff7c0 00007ffa`0c2e337c 00000000`00000000 00000000`00000000 : chrome!base::RunLoop::Run+0x31 [c:\chromium\master\src\base\run_loop.cc @ 108]
13 00007ff9`a78f8400 : 00000156`8e858f70 00000000`00000000 00000000`00000050 00000000`00000000 : chrome!content::BrowserProcessSubThread::IOThreadRun+0x24 [c:\chromium\master\src\content\browser\browser_process_sub_thread.cc @ 179]
14 00007ff9`a78f7014 : ffffffff`ffffffff 00000000`00000000 00000000`00000000 00000000`00000000 : chrome!base::Thread::ThreadMain+0x180 [c:\chromium\master\src\base\threading\thread.cc @ 340]
15 00007ffa`0ec13034 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : chrome!base::`anonymous namespace'::ThreadFunc+0xf4 [c:\chromium\master\src\base\threading\platform_thread_win.cc @ 94]
16 00007ffa`0f331551 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : KERNEL32!BaseThreadInitThunk+0x14
17 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ntdll!RtlUserThreadStart+0x21