Sebastien,
Have you tried to set the "security=share" on a samba server that is under your control?

Tien,
On Wed, 2008-05-28 at 15:00 +0000, Sebastien Bacher wrote:

the bug still lack a clear description on how to trigger the issue, I've
a lan disk, debian and ubuntu servers and all can be browsed correctly.
Could anybody describe steps to configure a share which cause issue on a
stock ubuntu installation? The lack of clear description make the bug
hard to being worked