On Thu, Jan 17, 2013 at 04:46:54PM +0100, Stefan Hajnoczi wrote: > The viostor virtio-blk driver for Windows does not use the > VIRTIO_CONFIG_S_DRIVER bit. It only sets the VIRTIO_CONFIG_S_DRIVER_OK > bit. > > The viostor driver refreshes the virtio-pci status byte sometimes while > the guest is running. We misinterpret 0x4 (VIRTIO_CONFIG_S_DRIVER_OK) > as an indication that virtio-blk-data-plane should be stopped since 0x2 > (VIRTIO_CONFIG_S_DRIVER) is missing. The result is that the device > becomes unresponsive. > > Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> > --- > hw/virtio-blk.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-)
Applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
