Sorry for noise, it is a known bug with 2.6.28 and 2.6.29 vanilla kernels : http://lists.xensource.com/archives/html/xen-bugs/2009-04/msg00005.html So, I have to upgrade to 2.6.30. Olivier _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users