On Wed, Jun 22, 2016 at 8:54 AM, Jesper Dangaard Brouer <[email protected]> wrote: > On Tue, 21 Jun 2016 18:54:53 -0700 > Alexei Starovoitov <[email protected]> wrote: > >> On Tue, Jun 21, 2016 at 11:48 AM, William Tu via iovisor-dev >> <[email protected]> wrote: >> > Hi, >> > >> > I'm running test_maps under net-next/samples/bpf/, commit >> > 601009780635. The code logic all make sense but I got the assertion >> > errors / coredump for some unknown reason under different compiler >> > optimization flags (-O0 and -O2). The test_hashmap_sanity() works fine >> > but fails at test_percpu_hashmap_sanity(). >> > >> > First run with normal build (which has -O2) >> > [root@vm-dev bpf]# ./test_maps >> > test_maps: samples/bpf/test_maps.c:137: test_percpu_hashmap_sanity: >> > Assertion `bpf_lookup_elem(map_fd, &key, value) == -1 && >> > (*__errno_location ()) == 2' failed. > [...] > > Strange I get: > > $ sudo ./test_maps > failed to create per-cpu arraymap 'Operation not permitted'
yes. that's expected. Make sure to do 'ulimit -l unlimited' _______________________________________________ iovisor-dev mailing list [email protected] https://lists.iovisor.org/mailman/listinfo/iovisor-dev
