[Samba] ACL problem after upgrade from 3.0.24 to 3.4.5

[Quartexx]

>After upgrading from Debian Etch with samba 3.0.24-6etch10 to Lenny
>with a backport of 2:3.4.5~dfsg-1 (with libtalloc2 2.0.1-1), i get a
>fully working service but with a strange ACL bug : people can
>create/delete/rename files, but not modify them (error "espace
>insuffisant pour traiter cette commande" in french, which should
>translate into "Not enough storage is available to process this
>command")


Same problem here.  It happens on 3.2.5 upgrade to 3.4, lenny
backport.  It happens on 3.4 fresh install too
Anyone can give us some advices about this issue?
Thanks