Hello: I create a centos7.6 virtual machine which use 3.10.0-957 kernel，using pci passthrough to support nvme device； and I found interrupt can not distribute to target CPU which in smp_affinity set，the problem solved when I update kernel to 5.0.20,is anyone can tell me how to solve this problem without updating kernel?? thanks advance!! -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20190604/e78c1f86/attachment-0005.html>