On 04/10/2016 18:17, Jean Tourrilhes wrote: > Running secondary is tricky due to the need to map the memory region > at the right place in VM, which is whatever primary has chosen. If the > base address for primary happens to by already mapped in the > secondary, we will hit precisely these error messages (depending if we > fail on the config region or the hugepages). This is why there is > already a comment about ASLR. > > The issue is that in most cases, remapping does not happen and "errno" > is not changed and therefore stale. In our case, we got a "permission > denied", which sent us down the wrong track. It's such a common error > for secondary that I feel this error message should be unambiguous and > helpful. > The call to close was also moved because close() may override errno. > > Signed-off-by: Jean Tourrilhes <jt at labs.hpe.com> > --- > lib/librte_eal/linuxapp/eal/eal.c | 14 +++++++++++--- > lib/librte_eal/linuxapp/eal/eal_memory.c | 16 ++++++++++++---- > 2 files changed, 23 insertions(+), 7 deletions(-)
Acked-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy at intel.com>
