Status: Assigned
Owner: [EMAIL PROTECTED]
Labels: Type-Bug Pri-2 OS-All Area-Misc

New issue 5066 by [EMAIL PROTECTED]: DCHECK in  
HungWindowDetector::CheckChildWindow
http://code.google.com/p/chromium/issues/detail?id=5066

I have on a number of occasions hit this DCHECK:

       DCHECK(IsHungAppWindow(child_window) == false);

... which is in HungWindowDetector::CheckChildWindow:157 (tip of tree as of  
last night)

Does DCHECKing here tell us anything?

Call stack:

chrome.dll!DebugUtil::BreakDebugger()  Line 101 C++
chrome.dll!logging::LogMessage::~LogMessage()  Line 494 C++
chrome.dll!HungWindowDetector::CheckChildWindow(HWND__ *  
child_window=0x004b07c6)  Line 158      C++
chrome.dll!HungWindowDetector::ChildWndEnumProc(HWND__ *  
child_window=0x004b07c6, long param=107822688)  Line 174 + 0xc bytes    C++
user32.dll!7e42a4e8()   
[Frames below may be incorrect and/or missing, no symbols loaded for  
user32.dll]     
user32.dll!7e42b109()   
chrome.dll!HungWindowDetector::OnTick()  Line 59 + 0x18 bytes   C++
chrome.dll!WorkerThreadTicker::InvokeHandlers()  Line 103 + 0x1b bytes  C++
chrome.dll!WorkerThreadTicker::TickCallback(WorkerThreadTicker *  
this_ticker=0x066d3e20, unsigned char timer_or_wait_fired=' ')  Line 114        
C++
[EMAIL PROTECTED]()  + 0x68 bytes       
[EMAIL PROTECTED]()  + 0x25 bytes       
[EMAIL PROTECTED]()  + 0x65 bytes       
[EMAIL PROTECTED]()  + 0x1a bytes       
[EMAIL PROTECTED]()  + 0x11 bytes       
[EMAIL PROTECTED]()  + 0x1794c bytes    
kernel32.dll!7c80b713()         
[EMAIL PROTECTED]()     



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