Here's my recreate: On Power8 system with Xenial, KVM enabled.
1. sudo apt-get install uvtool uvtool-libvirt 2. wget http://people.canonical.com/~rharper/bugs/lp_1602299/lp_1602299.tgz 3. tar xzvf lp_1602299.tgz 4. cd lp_1602299 5. uvt-simplestreams-libvirt sync --source http://cloud-images.ubuntu.com/daily "release~(xenial|yakkety)" "arch=ppc64el" 6. uvt-kvm create --template ppc64le-template.xml --cpu 1 --disk 5 rharper-vm1 release=xenial 7. virsh destroy rharper-vm1 8. sudo qemu-img create -f raw /var/lib/uvtool/libvirt/images/rharper-vm1-disk2.raw 5G 9. virsh edit rharper-vm1 10. Add to the xml under the vdb disk element: <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/var/lib/uvtool/libvirt/images/rharper-vm1-disk2.raw'/> <target dev='vdc' bus='virtio'/> <serial>bcache</serial> </disk> 11. virsh start rharper-vm1 12. uvt-kvm ssh --insecure rharper-vm1 # in guest 1. wget http://people.canonical.com/~rharper/bugs/lp_1602299/lp_1602299.tgz 2. tar xzvf lp_1602299.tgz 3. cd lp_1602299 4. sudo ./mkbcache.sh /dev/disk/by-id/virtio-bcache 5. sudo ./break-backing.sh /dev/disk/by-id/virtio-bcache 6. sudo ./break-cache.sh /dev/disk/by-id/virtio-bcache The break-* scripts emit PASS or FAIL as appropriate. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1602299 Title: bcache is unstable on ppc64el To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1602299/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
