I see that you tried MySQL/SP version 5.5.27 in your test? That version works fine with me as well. The problem occurred when upgrading from 5.5.30-30.1 to 5.5.30-30.2 and it happens on Debian, not RPM based.
I see that you tried MySQL/SP version 5.5.27 in your test? That version works fine with me as well. The problem occurred when upgrading from 5.5.30-30.1 to 5.5.30-30.2 and it happens on Debian, not RPM based.