> Lucky you :) I just tried to put into session's root one MagmaCollection 
> with just one object and I got into situation where almost any operation 
> with Magma is causing deadlock. Interrupt shows it is something with 
> submitGuard semaphore.

MagmaCollections work fine.  There is no problem with "deadlocks" with Magma.

Show me your code example which reproduces the problem.

Also, tell me what version of Squeak and Magma and VM you are using.

 - Chris

PS - If you run into an issue you don't need to give up so easily.  Just email me..