The issue being described here may be caused by the fact that older kernel and QEMU cannot properly identify POWER8NVL processors being used in the S822LC (8335-GTB) machines.
You might need 7cc851039d643a2ee7df4d18177150f2c3a484f5 kernel commit (from kernel 4.7), and the following series of patches from QEMU, which are available since QEMU 2.7: http://git.qemu.org/?p=qemu.git;a=commitdiff;h=7386ae6372cc07c77a39cb http://git.qemu.org/?p=qemu.git;a=commitdiff;h=8cd2ce7aaa3c3fadc561f4 http://git.qemu.org/?p=qemu.git;a=commitdiff;h=52b2519c4ea9a6aa4df7ab http://git.qemu.org/?p=qemu.git;a=commitdiff;h=eac4fba965136f61cc239a http://git.qemu.org/?p=qemu.git;a=commitdiff;h=b30ff227c27c931155f768 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1656112 Title: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1656112/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
