Gábor Boskovits <boskov...@gmail.com> writes: > Hello Clément, > > Do you have any idea what has gone wrong here?
Yes, I think Fibers channels aren't thread-safe. The bug happens when CALL-WITH-CRITICAL-SECTION is called at the same time from two different threads. So, nothing to do with Tatiana's code. :-) I'll investigate further, report the bug, and try to find a workaround. Clément
