Bug 989636 - [RFE] Add ability to pull system entropy from host
[RFE] Add ability to pull system entropy from host
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: qemu-kvm (Show other bugs)
Unspecified Unspecified
high Severity medium
: rc
: ---
Assigned To: Amos Kong
Virtualization Bugs
: FutureFeature
Depends On: 786407 1001770 1001773
Blocks: 975927
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Reported: 2013-07-29 12:52 EDT by Hai Huang
Modified: 2015-05-24 20:07 EDT (History)
27 users (show)

See Also:
Fixed In Version: qemu 1.4
Doc Type: Release Note
Doc Text:
Pulling System Entropy from Host A new device, virtio-rng, can be configured for guests, which will make entropy available to guests from the host. By default, this information is sourced from the host's /dev/random file, but hardware random number generators (RNG) available on hosts can be used as the source as well.
Story Points: ---
Clone Of: 786407
Last Closed: 2014-06-13 08:21:49 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Comment 2 Amos Kong 2013-07-30 02:40:14 EDT
We already have virtio-rng support in latest qemu-kvm-rhel7.
I assume that what I need to do more is confirming it works in rhel7.

1) use assigned backend
# qemu-kvm-rhel7 -object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0 -vnc :0 -snapshot /images/RHEL-Server-7.0-64-virtio.qcow2 --enable-kvm

2) use default backend
# qemu-kvm-rhel7 -device virtio-rng-pci -vnc :0 -snapshot /images/RHEL-Server-7.0-64-virtio.qcow2 --enable-kvm
Comment 6 Ludek Smid 2014-06-13 08:21:49 EDT
This request was resolved in Red Hat Enterprise Linux 7.0.

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