Re: [ros-dev] Race Condition?

"Hartmut Birr" <hartmut.birr(a)gmx.de> wrote:

>   Hi,
>
>  on my smp machine I get very often a crash in
>  CmiObjectParse/CmiAddKeyToList/RtlCopyMemory. In most cases something with
>  the parent key was wrong. Sometimes the value from NumberOfSubKeys is
>  0xcccccccc. Sometimes the keys 'Windows NT', 'CurrentVersion' or
>  'SysFontSubstitutes' are inserted anywhere in the registry. It seems that
>  the registry parsing is triggered from GetFontFamilyInfoForSubstitutes
>  (win32k). 
Most of these issues should get fixed by the attached patch. It replaces the
hive locks and hive list lock (executive resources) by a global registry
lock. The result is that only a single thread can modify the registry.


Regards,
Eric