>>>Can you try with security_model=passthrough? It provides the same results, see below:
$ dd if=/dev/zero of=test count=100000 100000+0 records in 100000+0 records out 51200000 bytes (51 MB) copied, 19.8581 s, 2.6 MB/s $ dd if=/dev/zero of=test count=100000 bs=16384 100000+0 records in 100000+0 records out 1638400000 bytes (1.6 GB) copied, 72.3009 s, 22.7 MB/s -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/965867 Title: 9p virtual file system on qemu slow To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/965867/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs