Hi Rafael, After updating libibverbs and libmlx4 (upstream version) from the openfabrics, the issue solved.
git clone git://git.kernel.org/pub/scm/libs/infiniband/libibverbs.git libibverbs git clone git://git.openfabrics.org/~yishaih/libmlx4.git # apt-get install libnl-3-dev libnl-route-3-dev we must to update the libibverbs abd libmlx4 to updated version. Yours, Talat -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libnl3 in Ubuntu. https://bugs.launchpad.net/bugs/1312419 Title: nl_cache_refill; rtnl_neigh_get fail to find neighbors in cache Status in libnl3 package in Ubuntu: In Progress Bug description: Retrieving information about configured neighbors fail my application is running the following procedure: neigh = NULL; cache = rtnl_neigh_alloc_cache(sk); while(NULL == neigh){ nl_cache_refill(sk, chache); neigh = rtnl_neigh_get(cache, ifindex, dst_addr); } with libnl3 3.2.21-1 this loop will never end, even when adding a static arp entry. However, with libnl-3.2.24 the neighbor lookup succeed. additional general info: $ lsb_release -rd Description: Ubuntu 14.04 LTS Release: 14.04 $ uname -r 3.13.0-24-generic $ apt-cache policy libnl-genl-3-200 libnl-route-3-200 libnl-genl-3-200: Installed: 3.2.21-1 Candidate: 3.2.21-1 Version table: *** 3.2.21-1 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status libnl-route-3-200: Installed: 3.2.21-1 Candidate: 3.2.21-1 Version table: *** 3.2.21-1 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libnl3/+bug/1312419/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
