On Mon, Sep 15, 2014 at 6:17 PM, John Nielsen <li...@jnielsen.net> wrote:
> Hi all- > > I am happy to see that virtio_random(4) will be included in FreeBSD 10.1. > To try it out, I loaded up BETA1 in a virtual machine with entropy > passthrough enabled. After booting it with the virtio_random module loaded > I see this in dmesg: > > virtio_pci3: <VirtIO PCI Entropy adapter> port 0xc0a0-0xc0bf irq 10 at > device 6.0 on pci0 > vtrnd0: <VirtIO Entropy Adapter> on virtio_pci3 > virtio_pci3: host features: 0x71000000 > <EventIdx,RingIndirect,NotifyOnEmpty> > virtio_pci3: negotiated features: 0 > > So far, so good. (I think? The 'negotiated features: 0' gives me pause..) > > The VirtIO random device is simple enough that's there is no benefit of the offered features. > Now how do I use the driver as an entropy source (or verify that it's > being used)? I don't see any difference in the output of "sysctl > kern.random" with or without the driver loaded. Is something missing? > > The driver periodically (IIRC every 5 seconds) feeds random_harvest(9) with random data from the host. > Thanks, > > JN > > _______________________________________________ freebsd-virtualization@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "freebsd-virtualization-unsubscr...@freebsd.org"
