Well, I guess this shows my lack of knowledge of the functional part of openerp...
Here is a much simpler way to reproduce:
Install a clean empty database, get the extended interface, and go in Settings / Configuration / Scheduler / Scheduled Actions
Edit one of them and add an UTF-8 char as "é" in the name of the Scheduled Action. Change time of next execution to match a near future. Wait. And Bang.
Well, I guess this shows my lack of knowledge of the functional part of openerp...
Here is a much simpler way to reproduce:
Install a clean empty database, get the extended interface, and go in Settings / Configuration / Scheduler / Scheduled Actions
Edit one of them and add an UTF-8 char as "é" in the name of the Scheduled Action. Change time of next execution to match a near future. Wait. And Bang.