Sorry for the late update, but I had some busy nights trying to find
another work-around for the Snow Leopard crash. The 4.0.436 release of
the Monobjc bridge has brought mixed results regarding the Snow
Leopard crash: some users have reported success while others have
reported nasty crashes.

So, I have resumed my work on the Mono runtime patching to find an
acceptable way to do it (not too hacky so Novell would accept it).
During my tests, I have discover that the conditions of the bug are
already present under Leopard. Why it does not crash seems linked to
the way TSD (Thread Specfic Data) are destroyed. So I have changed my
approach and I have come to a workaround that seems to prevent the

The archive of the patched Mono runtime is available at:

In order to use the archive:
- you need to have a working installation of Mono.
- uncompress the archive in /Library/Frameworks/Mono.framework/Versions
- relink the Current symlink to the archive (sudo rm Current && sudo
ln -s Current)

Some points about this runtime:
- The runtime is universal. I have made some tests under some
OS/Processor combinations, but I cannot cover all hardware.
- The runtime contains Mono, Visual Basic and NAnt. It does not
contains libgdiplus or any of the third-party packages.
- The runtime contains all what is needed to run mkbundle or the
packaging tasks.
- The runtime also contains other patches: embedded "machine.config"
and "app.config" are now usable.

If you decide to test this runtime, please provide the following:
- hardware/system full version
- kind of application/complexity
- anything that can help in case of crash

Regards, Laurent Etiemble.

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