Re: [Qemu-devel] Livelock with qemu 2.5.0

2016-12-02 Thread Brian Candler
On 02/12/2016 14:19, Brian Candler wrote: I am running a VM under qemu 2.5.0/Ubuntu 16.04. The guest VM is also Ubuntu 16.04, with ZFS and LXD Correction: it's btrfs (not zfs). I re-ran the test with qemu 2.7.0, and this time got a btrfs kernel panic in the guest [below]. The guest is

[Qemu-devel] Livelock with qemu 2.5.0

2016-12-02 Thread Brian Candler
I am running a VM under qemu 2.5.0/Ubuntu 16.04. The guest VM is also Ubuntu 16.04, with ZFS and LXD, and I am hitting it hard with I/O, concurrently building multiple LXD containers. Previously it was serialized to build one container at a time, and it was fine. With the concurrent builds I