On Fri, Dec 19, 2014 at 7:51 AM, Peter Hessler <phess...@theapt.org> wrote: > On 2014 Dec 19 (Fri) at 07:35:28 +0000 (+0000), C. L. Martinez wrote: > :b) OpenBSD/amd64: set up vio flags to 0x02 > > The man page for vio(4) says: > Setting the bit 0x2 in the flags disables the RingEventIndex feature. > This can be tried as a workaround for possible bugs in host > implementations of vio at the cost of slightly reduced performance. > > What bugs in the host implementation, which versions are affected, how > bad is the performance hit, and should this be the default? >
Yep, sorry Peter, you are right: OpenBSD 5.6 release. And, when some weeks ago I have tried to copy several files (4 GiB) using virtio for nics and disks, I've got the same problem like Michael describes here: http://blather.michaelwlucas.com/archives/2083
