[ros-dev] Race Condition?

[Eric Kohl]

"Hartmut Birr" <hartmut.birr at 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
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