Environment: Windows 7 Ent SP1 64 bit http://releases.qt-project.org/qt5/5.0.0/qt-windows-opensource-5.0.0-msvc2010_32-x86-offline.exe Webkit revision 136242 -- Webkit crashes on http://www.pennlive.com/ while trying e.g. framecapture.exe "http://www.pennlive.com" penn.jpg crashes in browser example too and seems to be working in fancybrowser... -- QML debugger shows: ASSERTION FAILED: m_ptr Q:\qt5_workdir\w\s\qtwebkit\Source\WTF\wtf/OwnPtr.h(72) : WTF::OwnPtr<class WebCore::GraphicsLayer>::operator -> 1 051B939D 2 051EFD52 3 051FD84F 4 051FD80F 5 0FE35E33 6 0FE35D12 7 0FE36E78 8 051FD230 9 051FD1FF 10 0FE35E33 11 0FE35D12 12 0FDF0F4D 13 0FE35E33 14 0FE35D12 15 0FE36910 16 0FE36DB8 17 0FF96AED 18 0FF96A9F 19 0FE35E33 20 0FE35D12 21 0FE36E78 22 0FDF17F0 23 0FEA122B 24 0FEA12DF 25 0FEA12DF 26 0FEA12DF 27 0FEA12DF 28 0FEA131B 29 0FFCDD4A 30 0FE9B17B 31 0F2DE38E -- WinDbg/CDB shows: qwindowsd!qt_plugin_query_metadata+0x281cf: ModLoad: 0e9d0000 0ea60000 C:\Windows\SysWOW64\gdi32.dll (714.1c4c): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. *** WARNING: Unable to verify checksum for C:\PROGRAMS\Qt\500\5.0.0\msvc2010\plugins\platforms\qwindowsd.dll *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\PROGRAMS\Qt\500\5.0.0\msvc2010\plugins\platforms\qwindowsd.dll - eax=00004f54 ebx=0e9c1e4f ecx=0da2c00c edx=0000544f esi=0a280128 edi=0cb40100 eip=0fc5c884 esp=0045b23c ebp=0045b258 iopl=0 nv up ei ng nz na po cy cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00210283 qwindowsd!qt_plugin_query_metadata+0x281cf: 0fc5c884 8b11 mov edx,dword ptr [ecx] ds:002b:0da2c00c=???????? 0:000> g (714.1c4c): Access violation - code c0000005 (!!! second chance !!!) eax=00004f54 ebx=0e9c1e4f ecx=0da2c00c edx=0000544f esi=0a280128 edi=0cb40100 eip=0fc5c884 esp=0045b23c ebp=0045b258 iopl=0 nv up ei ng nz na po cy cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00210283 qwindowsd!qt_plugin_query_metadata+0x281cf: 0fc5c884 8b11 mov edx,dword ptr [ecx] ds:002b:0da2c00c=???????? -- MSVS2010 shows C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\crt\src\mlock.c Line 374 void __cdecl _unlock ( ... #374 LeaveCriticalSection( _locktable[locknum].lock );
I can not reproduce it on Linux so likely to be windows only