Subversion of Pause (CoTweet Annoyances)
Noticed (twice) that unattended IE 8 with CoTweet page opened spikes 50% CPU on my 2 processor PC (distorting music I listen to) despite the very big image of Pause button across the entire IE tab screen. I saved the dump and it shows the longest HTML processing user space thread stack I have ever seen:
0:000> !runaway
User Mode Time
Thread Time
17:f18 0 days 14:13:41.290
23:6b0 0 days 0:00:41.309
4:c88 0 days 0:00:29.031
10:129c 0 days 0:00:03.853
3:126c 0 days 0:00:02.620
16:f98 0 days 0:00:01.934
18:f8c 0 days 0:00:00.702
2:cd4 0 days 0:00:00.280
8:c40 0 days 0:00:00.109
7:1348 0 days 0:00:00.093
11:ee4 0 days 0:00:00.015
24:490 0 days 0:00:00.000
22:d98 0 days 0:00:00.000
21:104c 0 days 0:00:00.000
20:1090 0 days 0:00:00.000
19:f60 0 days 0:00:00.000
15:1150 0 days 0:00:00.000
14:1048 0 days 0:00:00.000
13:d28 0 days 0:00:00.000
12:c68 0 days 0:00:00.000
9:ab0 0 days 0:00:00.000
6:69c 0 days 0:00:00.000
5:c28 0 days 0:00:00.000
1:1264 0 days 0:00:00.000
0:fa8 0 days 0:00:00.000
0:017:x86> kL 100
ChildEBP RetAddr
0c3b6f48 70072d55 mshtml!CPtsClient::CreateParaclient+0x9
0c3b6f9c 70072288 mshtml!Ptls5::FsConductCensusZooCore+0x30a
0c3b7094 70071720 mshtml!Ptls5::FsConductCensusZooCore+0x62f
0c3b70d4 70072647 mshtml!Ptls5::FsConductCensusZooCore+0x9e1
0c3b71a4 700ce813 mshtml!Ptls5::FsFormatZooCore+0x2f6
0c3b71d8 700cc65b mshtml!Ptls5::FsFormatZoo+0x51
0c3b730c 700cc147 mshtml!Ptls5::FsCreateSubpageCore+0x6f7
0c3b733c 700ccb58 mshtml!Ptls5::FsCreateSubpage+0x82
0c3b73fc 700c9640 mshtml!Ptls5::FsGetSavedPel+0x6ce
0c3b751c 700cae11 mshtml!Ptls5::FsFormatPelCore+0x73d
0c3b75f0 700cb347 mshtml!Ptls5::FsAdjustPageVertical+0x58e
0c3b7690 700c9e1d mshtml!Ptls5::FsAdjustPageVertical+0x15cb
0c3b76e4 700cd0e1 mshtml!Ptls5::FsDuplicateParaFormatResult+0x2be
0c3b778c 700cf796 mshtml!Ptls5::FsFormatOrReusePara+0x400
0c3b7860 700cec9c mshtml!Ptls5::FsDestroyBrtrackElements+0x25d
0c3b7974 700ceaa0 mshtml!Ptls5::FsFormatDelayedParas+0x1b2d
0c3b79c0 700c7e87 mshtml!Ptls5::FsFillTrackMainFlow+0x40
0c3b7b20 700cfc68 mshtml!Ptls5::FsFillTrack+0x2ec
0c3b7b94 700cf2a3 mshtml!Ptls5::FsFillTrackWraper+0xda
0c3b7c50 700cf1cd mshtml!Ptls5::FsConductCensusSpanLayout+0x1b6
0c3b7cac 700cf12c mshtml!Ptls5::FsConductCensusSpanLayout+0x41c
0c3b7ce4 700cc416 mshtml!Ptls5::FsFillLayoutWithSpanAreas+0x219
0c3b7e00 700cc147 mshtml!Ptls5::FsCreateSubpageCore+0x45c
0c3b7e30 700ccb58 mshtml!Ptls5::FsCreateSubpage+0x82
0c3b7ef0 700c9640 mshtml!Ptls5::FsGetSavedPel+0x6ce
0c3b8010 700cae11 mshtml!Ptls5::FsFormatPelCore+0x73d
0c3b80e4 700cb347 mshtml!Ptls5::FsAdjustPageVertical+0x58e
0c3b8184 700c9e1d mshtml!Ptls5::FsAdjustPageVertical+0x15cb
0c3b81d8 700cd0e1 mshtml!Ptls5::FsDuplicateParaFormatResult+0x2be
0c3b8280 700cf796 mshtml!Ptls5::FsFormatOrReusePara+0x400
0c3b8354 700cec9c mshtml!Ptls5::FsDestroyBrtrackElements+0x25d
0c3b8468 700ceaa0 mshtml!Ptls5::FsFormatDelayedParas+0x1b2d
0c3b84b4 700c7e87 mshtml!Ptls5::FsFillTrackMainFlow+0x40
0c3b8614 700d0fc0 mshtml!Ptls5::FsFillTrack+0x2ec
0c3b8694 700c9e1d mshtml!Ptls5::FsFormatParaTrelPost+0x841
0c3b86e8 700cd0e1 mshtml!Ptls5::FsDuplicateParaFormatResult+0x2be
0c3b8790 700cf796 mshtml!Ptls5::FsFormatOrReusePara+0x400
0c3b8864 700cec9c mshtml!Ptls5::FsDestroyBrtrackElements+0x25d
0c3b8978 700ceaa0 mshtml!Ptls5::FsFormatDelayedParas+0x1b2d
0c3b89c4 700c7e87 mshtml!Ptls5::FsFillTrackMainFlow+0x40
0c3b8b24 700d0fc0 mshtml!Ptls5::FsFillTrack+0x2ec
0c3b8ba4 700c9e1d mshtml!Ptls5::FsFormatParaTrelPost+0x841
0c3b8bf8 700cd0e1 mshtml!Ptls5::FsDuplicateParaFormatResult+0x2be
0c3b8ca0 700cf796 mshtml!Ptls5::FsFormatOrReusePara+0x400
0c3b8d74 700cec9c mshtml!Ptls5::FsDestroyBrtrackElements+0x25d
0c3b8e88 700ceaa0 mshtml!Ptls5::FsFormatDelayedParas+0x1b2d
0c3b8ed4 700c7e87 mshtml!Ptls5::FsFillTrackMainFlow+0x40
0c3b9034 700d0fc0 mshtml!Ptls5::FsFillTrack+0x2ec
0c3b90b4 700c9e1d mshtml!Ptls5::FsFormatParaTrelPost+0x841
0c3b9108 700cd0e1 mshtml!Ptls5::FsDuplicateParaFormatResult+0x2be
0c3b91b0 700cf796 mshtml!Ptls5::FsFormatOrReusePara+0x400
0c3b9284 700cec9c mshtml!Ptls5::FsDestroyBrtrackElements+0x25d
0c3b9398 700ceaa0 mshtml!Ptls5::FsFormatDelayedParas+0x1b2d
0c3b93e4 700c7e87 mshtml!Ptls5::FsFillTrackMainFlow+0x40
0c3b9544 700d0fc0 mshtml!Ptls5::FsFillTrack+0x2ec
0c3b95c4 700c9e1d mshtml!Ptls5::FsFormatParaTrelPost+0x841
0c3b9618 700cd0e1 mshtml!Ptls5::FsDuplicateParaFormatResult+0x2be
0c3b96c0 700cf796 mshtml!Ptls5::FsFormatOrReusePara+0x400
0c3b9794 700cec9c mshtml!Ptls5::FsDestroyBrtrackElements+0x25d
0c3b98a8 700ceaa0 mshtml!Ptls5::FsFormatDelayedParas+0x1b2d
0c3b98f4 700c7e87 mshtml!Ptls5::FsFillTrackMainFlow+0x40
0c3b9a54 700cfc68 mshtml!Ptls5::FsFillTrack+0x2ec
0c3b9ac8 700cf2a3 mshtml!Ptls5::FsFillTrackWraper+0xda
0c3b9b84 700cf1cd mshtml!Ptls5::FsConductCensusSpanLayout+0x1b6
0c3b9be0 700cf12c mshtml!Ptls5::FsConductCensusSpanLayout+0x41c
0c3b9c18 700cc416 mshtml!Ptls5::FsFillLayoutWithSpanAreas+0x219
0c3b9d34 700cc147 mshtml!Ptls5::FsCreateSubpageCore+0x45c
0c3b9d64 700ccb58 mshtml!Ptls5::FsCreateSubpage+0x82
0c3b9e24 700c9640 mshtml!Ptls5::FsGetSavedPel+0x6ce
0c3b9f44 700cae11 mshtml!Ptls5::FsFormatPelCore+0x73d
0c3ba018 700cb347 mshtml!Ptls5::FsAdjustPageVertical+0x58e
0c3ba0b8 700c9e1d mshtml!Ptls5::FsAdjustPageVertical+0x15cb
0c3ba10c 700cd0e1 mshtml!Ptls5::FsDuplicateParaFormatResult+0x2be
0c3ba1b4 700cf796 mshtml!Ptls5::FsFormatOrReusePara+0x400
0c3ba288 700cec9c mshtml!Ptls5::FsDestroyBrtrackElements+0x25d
0c3ba39c 700ceaa0 mshtml!Ptls5::FsFormatDelayedParas+0x1b2d
0c3ba3e8 700c7e87 mshtml!Ptls5::FsFillTrackMainFlow+0x40
0c3ba548 700cfc68 mshtml!Ptls5::FsFillTrack+0x2ec
0c3ba5bc 700cf2a3 mshtml!Ptls5::FsFillTrackWraper+0xda
0c3ba678 700d55b3 mshtml!Ptls5::FsConductCensusSpanLayout+0x1b6
0c3ba760 700d6aac mshtml!Ptls5::FsFormatMathParaInGivenRectangleFiniteMain+0x1232
0c3ba794 700d7957 mshtml!Ptls5::FsFormatMathParaInGivenRectangleFiniteMain+0x148b
0c3ba7dc 700d7807 mshtml!Ptls5::FsFillMultiColumnLayout+0xab
0c3ba8bc 700d7770 mshtml!Ptls5::FsDestroySpanLayoutContent+0x160
0c3ba904 700d758b mshtml!Ptls5::FsFillLayoutWithSpanAreas+0x213
0c3ba950 700d6367 mshtml!Ptls5::FsConductCensusGeneralSection+0x152
0c3baac4 700d6208 mshtml!Ptls5::FsFormatGeneralSection+0xee
0c3bab30 700d6078 mshtml!Ptls5::FsFormatSection+0x111
0c3bac10 700d6691 mshtml!Ptls5::FsDestroyPageBodyBreakRecord+0x279
0c3bad54 700d6f17 mshtml!Ptls5::FsFormatPageBody+0x1d7
0c3bae8c 700f595e mshtml!Ptls5::FsCreatePageBottomlessCore+0x262
0c3baeb0 700f590b mshtml!Ptls5::FsUpdateBottomlessPage+0x71
0c3baf54 700cba8e mshtml!CCssDocumentLayout::GetPage+0x54d
0c3bb0c4 7000bf07 mshtml!CCssPageLayout::CalcSizeVirtual+0x247
0c3bb1fc 7001eb36 mshtml!CLayout::CalcSize+0x2b8
0c3bb2f8 701ea7a9 mshtml!CLayout::DoLayout+0x11d
0c3bb30c 6fff932b mshtml!CCssPageLayout::Notify+0x140
0c3bb318 6fff741e mshtml!NotifyElement+0x41
0c3bb36c 6fff73b5 mshtml!CMarkup::SendNotification+0x60
0c3bb394 7000248a mshtml!CMarkup::Notify+0xd4
0c3bb3dc 6ffd54a2 mshtml!CElement::SendNotification+0x4a
0c3bb400 6fff08c3 mshtml!CElement::EnsureRecalcNotify+0x15f
0c3bb43c 6fff0865 mshtml!CElement::get_clientWidth_Logical+0x54
0c3bb450 7013257c mshtml!CElement::get_clientWidth+0x27
0c3bb470 7003afc3 mshtml!G_long+0x7b
0c3bb4e4 70047001 mshtml!CBase::ContextInvokeEx+0x5d1
0c3bb534 70052da4 mshtml!CElement::ContextInvokeEx+0x9d
0c3bb560 7003a9c1 mshtml!CInput::VersionedInvokeEx+0x2d
0c3bb5b0 7473389a mshtml!PlainInvokeEx+0xea
0c3bb5f0 747337e6 jscript!IDispatchExInvokeEx2+0xf8
0c3bb62c 74734d26 jscript!IDispatchExInvokeEx+0x6a
0c3bb6ec 74734c80 jscript!InvokeDispatchEx+0x98
0c3bb720 7474aadb jscript!VAR::InvokeByName+0x135
0c3bb7d4 74729679 jscript!VAR::InvokeByVar+0x78
0c3bb968 747311ab jscript!CScriptRuntime::Run+0x446
0c3bba50 747310e5 jscript!ScrFncObj::CallWithFrameOnStack+0xff
0c3bba9c 74732805 jscript!ScrFncObj::Call+0x8f
0c3bbb20 747326c5 jscript!NameTbl::InvokeInternal+0x2a2
0c3bbb54 747341fc jscript!VAR::InvokeByDispID+0x17c
0c3bbb94 747322c1 jscript!VAR::InvokeJSObj<SYM *>+0xb8
0c3bbbd0 74732b6d jscript!VAR::InvokeByName+0x170
0c3bbc1c 74734035 jscript!VAR::InvokeDispName+0x7a
0c3bbc4c 74732f14 jscript!VAR::InvokeByDispID+0xce
0c3bbde8 747311ab jscript!CScriptRuntime::Run+0x29e0
0c3bbed0 747310e5 jscript!ScrFncObj::CallWithFrameOnStack+0xff
0c3bbf1c 74732805 jscript!ScrFncObj::Call+0x8f
0c3bbfa0 747326c5 jscript!NameTbl::InvokeInternal+0x2a2
0c3bbfd4 747341fc jscript!VAR::InvokeByDispID+0x17c
0c3bc014 747322c1 jscript!VAR::InvokeJSObj<SYM *>+0xb8
0c3bc050 74732b6d jscript!VAR::InvokeByName+0x170
0c3bc09c 74734035 jscript!VAR::InvokeDispName+0x7a
0c3bc0cc 74734d93 jscript!VAR::InvokeByDispID+0xce
0c3bc268 747311ab jscript!CScriptRuntime::Run+0x2abe
0c3bc350 747310e5 jscript!ScrFncObj::CallWithFrameOnStack+0xff
0c3bc39c 74732805 jscript!ScrFncObj::Call+0x8f
0c3bc420 747326c5 jscript!NameTbl::InvokeInternal+0x2a2
0c3bc454 7474587a jscript!VAR::InvokeByDispID+0x17c
0c3bc514 74734127 jscript!JsFncApply+0x2ba
0c3bc57c 74732805 jscript!NatFncObj::Call+0x103
0c3bc600 747326c5 jscript!NameTbl::InvokeInternal+0x2a2
0c3bc634 747341fc jscript!VAR::InvokeByDispID+0x17c
0c3bc674 747322c1 jscript!VAR::InvokeJSObj<SYM *>+0xb8
0c3bc6b0 74732b6d jscript!VAR::InvokeByName+0x170
0c3bc6fc 74734035 jscript!VAR::InvokeDispName+0x7a
0c3bc72c 74732f14 jscript!VAR::InvokeByDispID+0xce
0c3bc8c8 747311ab jscript!CScriptRuntime::Run+0x29e0
0c3bc9b0 747310e5 jscript!ScrFncObj::CallWithFrameOnStack+0xff
0c3bc9fc 74732805 jscript!ScrFncObj::Call+0x8f
0c3bca80 747326c5 jscript!NameTbl::InvokeInternal+0x2a2
0c3bcab4 7474587a jscript!VAR::InvokeByDispID+0x17c
0c3bcb74 74734127 jscript!JsFncApply+0x2ba
0c3bcbdc 74732805 jscript!NatFncObj::Call+0x103
0c3bcc60 747326c5 jscript!NameTbl::InvokeInternal+0x2a2
0c3bcc94 747341fc jscript!VAR::InvokeByDispID+0x17c
0c3bccd4 747322c1 jscript!VAR::InvokeJSObj<SYM *>+0xb8
0c3bcd10 74732b6d jscript!VAR::InvokeByName+0x170
0c3bcd5c 74734035 jscript!VAR::InvokeDispName+0x7a
0c3bcd88 74732f14 jscript!VAR::InvokeByDispID+0xce
0c3bcf24 747311ab jscript!CScriptRuntime::Run+0x29e0
0c3bd00c 747310e5 jscript!ScrFncObj::CallWithFrameOnStack+0xff
0c3bd058 74730f13 jscript!ScrFncObj::Call+0x8f
0c3bd0d4 7473365e jscript!CSession::Execute+0x175
0c3bd1bc 747334ea jscript!NameTbl::InvokeDef+0x1b8
0c3bd240 6ffb1e59 jscript!NameTbl::InvokeEx+0x129
0c3bd29c 6ffb1da0 mshtml!CBase::InvokeDispatchExtraParam+0x139
0c3bd35c 6ff93328 mshtml!CBase::InvokeAttachEvents+0x160
0c3bd4ac 6ffad74e mshtml!COmWindowProxy::FireEvent+0x1ef
0c3bd4d0 6ffa8553 mshtml!COmWindowProxy::Fire_onresize+0x20
0c3bd4d8 6ffa84df mshtml!CElement::Fire_onresize+0x54
0c3bd508 7002e6d1 mshtml!CView::ExecuteEventTasks+0x21c
0c3bd54c 70047f49 mshtml!CView::EnsureView+0x325
0c3bd9f0 7002eeb9 mshtml!CDoc::OnPaint+0x147
0c3bda24 70059527 mshtml!CServer::OnWindowMessage+0x38f
0c3bdb4c 70059401 mshtml!CDoc::OnWindowMessage+0x16c
0c3bdb78 75b78817 mshtml!CServer::WndProc+0x78
0c3bdba4 75b7898e user32!InternalCallWinProc+0x23
0c3bdc1c 75b79d14 user32!UserCallWinProcCheckWow+0x109
0c3bdc78 75b79d85 user32!DispatchClientMessage+0xe0
0c3bdcb4 7740e476 user32!__fnDWORD+0x2b
0c3bdd40 7062ba5d ntdll_773f0000!KiUserCallbackDispatcher+0x2e
0c3bfe48 705d30d6 ieframe!CTabWindow::_TabWindowThreadProc+0x54c
0c3bff00 7566408d ieframe!LCIETab_ThreadProc+0x2c1
0c3bff10 7593eccb iertutil!CIsoScope::RegisterThread+0xab
0c3bff1c 7746d24d kernel32!BaseThreadInitThunk+0xe
0c3bff5c 7746d45f ntdll_773f0000!__RtlUserThreadStart+0x23
0c3bff74 00000000 ntdll_773f0000!_RtlUserThreadStart+0x1b
- Dmitry Vostokov @ DumpAnalysis.org -