Since libvirt 1.3.4, any RNG source is accepted for the 'random' backend. However, '/dev/urandom' is the _recommended_ source of entropy. Mention it so in the docs. Suggested-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; Signed-off-by: Kashyap Chamarthy <kchamart(a)redhat.com&gt; --- docs/formatdomain.html.in | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index 89672a0486..3dd6a59a01 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -7738,12 +7738,16 @@ qemu-kvm -net nic,model=? /dev/null <dt><code>random</code></dt> <dd> <p> - This backend type expects a non-blocking character device as - input. The file name is specified as contents of the - <code>backend</code> element. <span class='since'>Since 1.3.4</span> - any path is accepted. Before that /dev/random and /dev/hwrng were - the only accepted paths. When no file name is specified the hypervisor - default is used. For qemu, the default is /dev/random + This backend type expects a non-blocking character device + as input. The file name is specified as contents of the + <code>backend</code> element. <span class='since'>Since + 1.3.4</span> any path is accepted. Before that + <code>/dev/random</code> and <code>/dev/hwrng</code> were + the only accepted paths. When no file name is specified, + the hypervisor default is used. For QEMU, the default is + <code>/dev/random</code>. However, the recommended source + of entropy is <code>/dev/urandom</code> (as it doesn't + have the limitations of <code>/dev/random</code>). </p> </dd> <dt><code>egd</code></dt> -- 2.17.0