On Fri, Dec 19, 2014 at 8:04 AM, Peter Hessler <phess...@theapt.org> wrote: > On 2014 Dec 19 (Fri) at 08:01:00 +0000 (+0000), C. L. Martinez wrote: > :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. > : > > I more mean: which versions on the host will trigger this behaviour. >
KVM hosts?? CentOS 6.5 and CentOS 6.6, both x86_64. And OpenBSD 5.6/amd64
