CPU and Disk are fairly idle. I didnt use gdbprof but enable debug log seems it is not hanging. Also "gdb thread apply all bt" shows nothing intresting , all threads are waiting on condition for job. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html