Windows Networking Troubleshooting 4: Slow Response of .NET Framework Applications

Problem

Troubleshooting

w3wp.exe User Dump Analysis

27  Id: 1b4.654 Suspend: 0 Teb: 00000078`1eca8000 Unfrozen
Child-SP RetAddr : Args to Child : Call Site
00000078`1fabd668 00007ff8`45a8175e : 00000000`00000068 00000000`00000020 00000000`00000014 00000078`00000008 : ntdll! NtDeviceIoControlFile+0x14
00000078`1fabd670 00007ff8`433cf70c : 00000078`1fabd890 00000078`1fabd8ac 00000000`00000002 00000078`1fabd8ac : nsi! NsiGetAllParameters+0xfe
00000078`1fabd760 00007ff8`433def36 : 00007ff7`d82f1398 00000000`00000000 00000000`924b782a 00000000`00000000 : IPHLPAPI! ResolveIpNetEntry2+0xfc
00000078`1fabd850 00007ff7`d84ab0fb : 00000000`00000000 000001ab`927bcb48 00000078`1fabdb58 000001ab`927b4658 : IPHLPAPI! SendARP+0x86
00000078`1fabd930 00007ff7`d84a70b6 : 00000000`924b782a 00000000`00000000 00000078`1fabdb48 00000078`1fabdb40 : 0x00007ff7`d84ab0fb
00000078`1fabda30 00007ff7`d84a7d84 : 000001aa`92a02a20 00000078`1fabefe0 00000000`0000fdff 000001aa`917e9304 : 0x00007ff7`d84a70b6
00000078`1fabdb70 00007ff7`d80dffc7 : 000001ab`927bcb48 000001ab`9279da98 000001ab`927bcb90 000001aa`92541420 : 0x00007ff7`d84a7d84
00000078`1fabdcf0 00007ff7`d82e010b : 000001ab`92794d18 000001ab`9279da98 00007ff7`d8281638 00000000`00000001 : 0x00007ff7`d80dffc7
00000078`1fabddf0 00007ff7`d80df338 : 000001ab`927b4870 000001ab`92794d18 000001ab`927b4710 00000078`1fabd8a4 : 0x00007ff7`d82e010b
00000078`1fabde30 00007ff7`d80df1e3 : 000001ab`9279e1e8 000001ab`92795110 000001ab`9279f728 000001ab`9279f728 : 0x00007ff7`d80df338
00000078`1fabde80 00007ff7`d80df121 : 000001ab`92795890 000001ab`92795110 000001ab`9279e1e8 000001ab`9279f728 : 0x00007ff7`d80df1e3
00000078`1fabdec0 00007ff7`d80defda : 000001ab`927b42d8 000001ab`927b44c8 000001ab`927b443c 00000000`00000000 : 0x00007ff7`d80df121
00000078`1fabdef0 00007ff7`d80de9f0 : 000001ab`92795890 000001ab`927b43e0 000001ab`9279e1e8 00000000`00000000 : 0x00007ff7`d80defda
00000078`1fabdf20 00007ff7`d80de7ee : 000001ab`927b40c0 000001ab`927b43e0 000001ab`927b4034 00000078`1fabe2a8 : 0x00007ff7`d80de9f0
00000078`1fabdf60 00007ff7`d80de52a : 000001ab`927b42b8 000001ab`927b43e0 000001ab`927b4034 00000078`1fabe2a8 : 0x00007ff7`d80de7ee
00000078`1fabdfd0 00007ff7`d80de480 : 000001ab`92795890 000001ab`927b3fd8 000001ab`9279f5c4 00000078`1fabe2a8 : 0x00007ff7`d80de52a
00000078`1fabe000 00007ff7`d80d8757 : 000001ab`9279f6e0 000001ab`927b3fd8 000001ab`9279f5c4 00000078`1fabe2a8 : 0x00007ff7`d80de480
00000078`1fabe040 00007ff7`d80d8946 : 000001ab`9279e3e8 000001ab`927b3fd8 000001ab`9279f5c4 00000078`1fabe2a8 : 0x00007ff7`d80d8757
00000078`1fabe090 00007ff7`d80d898b : 000001ab`92795890 000001ab`9279f568 000001ab`92795c24 00000078`1fabe2a8 : 0x00007ff7`d80d8946
00000078`1fabe0c0 00007ff7`d80d8b79 : 000001ab`92795710 000001ab`9279f568 000001ab`92795c24 00000078`1fabe2a8 : 0x00007ff7`d80d898b
00000078`1fabe0f0 00007ff7`d80d89f4 : 000001ab`92739e08 000001ab`92795008 00000078`1fabe1f0 000001ac`b7af5d90 : 0x00007ff7`d80d8b79
00000078`1fabe120 00007ff7`d80d8b79 : 000001ab`92794d18 000001ab`92795bc8 000001ab`927952c4 00000078`1fabe2a8 : 0x00007ff7`d80d89f4
00000078`1fabe160 00007ff7`d80d8a76 : 000001ab`92795210 000001ab`92795bc8 000001ab`927952c4 00000078`1fabe2a8 : 0x00007ff7`d80d8b79
00000078`1fabe190 00007ff7`d80d8ae9 : 000001ab`92794d18 000001ab`92795268 000001ab`92795064 00000078`1fabe2a8 : 0x00007ff7`d80d8a76
00000078`1fabe1c0 00007ff7`d80d8b79 : 000001ab`927938c8 000001ab`92795268 000001ab`92795064 00000078`1fabe2a8 : 0x00007ff7`d80d8ae9
00000078`1fabe200 00007ff7`d80d8bc6 : 000001ab`92794fb0 000001ab`92795268 000001ab`92795064 00000078`1fabe2a8 : 0x00007ff7`d80d8b79
00000078`1fabe230 00007ff8`14ea57ba : 000001ab`92791c60 000001ab`92795008 00000078`1fabe2b0 00000078`1fabe2a8 : 0x00007ff7`d80d8bc6
00000078`1fabe260 00007ff8`15574bb3 : 000001ab`92739e08 000001ab`92739e08 00000078`1fabe470 00000078`1fabe2b0 : System_Web_ni+0x2f57ba
00000078`1fabe2f0 00007ff8`14e66590 : 000001ab`92739e08 000001ab`92739e08 00000078`1fabe470 00000078`1fabe2b0 : System_Web_ni+0x9c4bb3
00000078`1fabe330 00007ff8`14e7ac6c : 000001ab`92733810 000001ab`92739e08 00000078`1fabe470 00000000`00000000 : System_Web_ni+0x2b6590
00000078`1fabe380 00007ff8`14e67089 : 000001ab`92739a90 00007ff8`14e7a0a6 00000000`00000000 00000078`1fabe570 : System_Web_ni+0x2cac6c
00000078`1fabe4c0 00007ff8`14e7909b : 00000078`1fabe4c0 00007ff8`14ed40f5 00000078`1fabe558 00007ff8`14c0a6d0 : System_Web_ni+0x2b7089
00000078`1fabe510 00007ff8`14e681bd : 000001aa`92799ef8 000001ab`9272e020 000001ab`9272e378 00000000`00000000 : System_Web_ni+0x2c909b
00000078`1fabe590 00007ff8`14e67dc3 : 00000000`00000000 000001aa`91d2aa08 00000000`00000000 00000000`00000000 : System_Web_ni+0x2b81bd
00000078`1fabe730 00007ff8`15563592 : 000007f0`e084fce1 00000000`00000000 00007ff8`2f4c0df0 00007ff8`2f511d38 : System_Web_ni+0x2b7dc3
00000078`1fabe770 00007ff8`3758221e : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : System_Web_ni+0x9b3592
00000078`1fabe7e0 00007ff8`2f51183f : 000001aa`91d2aa08 00000078`00000000 000001aa`91d2ae38 000001aa`91d2aeb4 : clr! UMThunkStub+0x6e
00000078`1fabe870 00007ff8`2f5204ba : 00007ff8`00000000 00007ff8`2f4b3ed0 000001aa`91d2aa08 000001aa`91d2aa08 : webengine4! W3_MGD_HANDLER::ProcessNotification+0x8e
00000078`1fabe8a0 00007ff8`2f5115fb : 00007ff8`2f4b3ed0 00000000`00000080 000001aa`91d2aa08 00000000`00000000 : webengine4! W3_MGD_HANDLER::DoWork+0x3a5
00000078`1fabe910 00007ff8`2f573b21 : 00000000`00000000 00000000`00000000 0000d54a`f3ef32bb 000001aa`91d29180 : webengine4! RequestDoWork+0x3fc
00000078`1fabe9b0 00007ff8`2f4bd3d9 : 00000000`00000000 00000000`00000000 000001aa`91b1fd30 ffffffff`00000000 : webengine4! CMgdEngHttpModule::OnExecuteRequestHandler+0x21
00000078`1fabe9f0 00007ff8`2f4bcd7c : 000001aa`91b1fd30 00000078`1fabeb01 00000000`00000016 000001aa`91d29190 : iiscore! NOTIFICATION_CONTEXT::RequestDoWork+0xb9
00000078`1fabea40 00007ff8`2f4bcbc6 : 00000000`00000000 00000000`00000000 000001aa`91b1fd30 00000000`00000000 : iiscore! NOTIFICATION_CONTEXT::CallModulesInternal+0x19c
00000078`1fabeb50 00007ff8`2f4bde08 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : iiscore! NOTIFICATION_CONTEXT::CallModules+0x36
00000078`1fabebb0 00007ff8`2f4b7956 : 00007ff8`2f4b7880 00007ff8`14f87b88 000001ac`b7af5d90 000001aa`91b1fd30 : iiscore! NOTIFICATION_MAIN::DoWork+0x3d8
00000078`1fabeed0 00007ff8`2f56f481 : 000001aa`91d29180 00007ff8`2f4b7880 00000078`1fabf060 ffffffff`fffffffe : iiscore! W3_CONTEXT_BASE::IndicateCompletion+0xd6
00000078`1fabef50 00007ff8`2f5720c2 : 00000078`1fabf1b0 00000078`1fabf1b0 00000078`1fabf500 00000000`00000000 : webengine4! W3_MGD_HANDLER::IndicateCompletion+0x5d
00000078`1fabef80 00007ff8`14ed4f9e : 00000000`00000000 00007ff8`375846d5 00000078`1fabefa0 00006202`e851b47c : webengine4! MgdIndicateCompletion+0x22
00000078`1fabefb0 00007ff8`14e68385 : 000001aa`91d2aa08 00000078`1fabf1b0 00000078`1fabf018 00000078`1fabf178 : System_Web_ni+0x324f9e
00000078`1fabf070 00007ff8`14e67dc3 : 00000000`00000000 000001aa`91d2aa08 00000078`1fabf2b0 00000000`00000000 : System_Web_ni+0x2b8385
00000078`1fabf210 00007ff8`15563592 : 000001ac`b7a94820 000001aa`91d2aa08 00000000`00000003 00000000`00000004 : System_Web_ni+0x2b7dc3
00000078`1fabf250 00007ff8`37582473 : ffffffff`ffffffff 00007ff8`00000001 000001aa`91cbb501 00007ff8`3758a528 : System_Web_ni+0x9b3592
00000078`1fabf2c0 00007ff8`3764cfba : 00460054`0045004e 00007ff8`37585b35 ffffffff`fffffffe 00007ff8`3758a270 : clr! UM2MThunk_WrapperHelper+0x43
00000078`1fabf300 00007ff8`3758a9c8 : 00000078`1fabf428 00000000`00000000 000001ac`b7af5d90 00007ff8`375866af : clr! UM2MThunk_Wrapper+0x60
00000078`1fabf350 00007ff8`3764d065 : 00000078`1fabf501 00000000`00000002 000007f0`e084ee51 00000078`1fabf560 : clr! Thread::DoADCallBack+0x13d
00000078`1fabf510 00007ff8`3758241d : 000001aa`92293c30 ffffffff`ffffffff 00000000`00000003 00000000`00000000 : clr! UM2MDoADCallBack+0xb3
00000078`1fabf590 00007ff8`2f51183f : 00000000`00000000 000001aa`91d2aa08 00000000`00000003 00000000`00000004 : clr! UMThunkStub+0x26d
00000078`1fabf620 00007ff8`2f511792 : 000001aa`00000004 000001aa`91d2aa08 00007ff8`37ec4410 00000078`1fabf800 : webengine4! W3_MGD_HANDLER::ProcessNotification+0x8e
00000078`1fabf650 00007ff8`375899e7 : 000001aa`91d2aa08 00007ff8`2f511750 00007ff8`37ec4410 000001ac`b7af5d90 : webengine4! ProcessNotificationCallback+0x42
00000078`1fabf680 00007ff8`3758819c : 00007ff8`37589a70 00000078`1fabf700 00000078`1fabf801 00000000`00bbd38e : clr! UnManagedPerAppDomainTPCount::DispatchWorkItem+0x1bc
00000078`1fabf720 00007ff8`37587f45 : 00000001`00010002 00000000`00000001 000001ac`b7af5d90 00000000`00000001 : clr! ThreadpoolMgr::ExecuteWorkRequest+0x64
00000078`1fabf750 00007ff8`37632e8f : 00000000`00000000 00000000`00000001 00000000`00000001 00000000`00000804 : clr! ThreadpoolMgr::WorkerThreadStart+0xf5
00000078`1fabf7f0 00007ff8`45878364 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : clr! Thread::intermediateThreadProc+0x86
00000078`1fabfa30 00007ff8`47967091 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : kernel32! BaseThreadInitThunk+0x14
00000078`1fabfa60 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ntdll! RtlUserThreadStart+0x21

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