On 10/31/2017 12:49 PM, Chris Blake wrote: > Hello All, > > I have installed the kernel with the mentioned patch, as well as > CONFIG_SECURITY_INFINIBAND enabled. Sadly I am back to the issue where > my compute node is reporting: > > kernel: infiniband mthca0: ib_post_send_mad error > > As soon as I roll back to a kernel with CONFIG_SECURITY_INFINIBAND > disabled, the issue goes away and things work as expected. > > Regards, > Chris Blake Sounds like the crash is resolved and now you're getting a denial from a security module. I looked in the code, it looks like AppArmor doesn't register any callbacks for the ib_* security hooks, and if no hook is registered it should return 0. Can you tell me more about your setup so I can create a reproducer? What OS are you using? Can you double check that SELinux isn't enabled (see output of sestatus). -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html