search for: pthread_attr_setschedpolici

Hi all, We observed that under certain circumstances pthread_create() (libasan implemention) does not return. The conditions are the following: - address sanitizer enabled - main and child thread run on the same CPU (affinity) - real-time scheduling policy for both threads - different scheduling priority values (this includes the case of setting a real-time policy for one of the threads and

We've been using libvirt based containers under CentOS 7 and everything has been working fine. One application we run in our containers is ctdb, which uses SCHED_FIFO (real time) threads. This has been working without problems until our recent upgrade to CentOS 7.3. For some reason, ctdb is no longer able to create real time threads, and I've tried a simple program myself that