Thank you lan , finally i get the Xen 4.1.1 version and patch the valgrind using your attach "X" and it works !! Thank you so much , now i can use the new valgrind to do the work well ! Thank you . -- View this message in context: http://xen.1045712.n5.nabble.com/How-to-use-valgrind-to-detect-xen-hypervisor-s-memory-leak-tp4589174p4594076.html Sent from the Xen - Dev mailing list archive at Nabble.com. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel