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Date: Sun, 18 Jun 2017 10:04:58 +0200
From: Stephan Müller <>
To: Lee Duncan <>
Cc: "Jason A. Donenfeld" <>, Theodore Ts'o <>, Linux Crypto Mailing List <>, LKML <>,, Greg Kroah-Hartman <>, David Miller <>, Eric Biggers <>, "Nicholas A. Bellinger" <>, Chris Leech <>,
Subject: Re: Re: [PATCH v4 06/13] iscsi: ensure RNG is seeded before use

Am Samstag, 17. Juni 2017, 05:45:57 CEST schrieb Lee Duncan:

Hi Lee,

> In your testing, how long might a process have to wait? Are we talking
> seconds? Longer? What about timeouts?

In current kernels (starting with 4.8) this timeout should clear within a few 
seconds after boot.

In older kernels (pre 4.8), my KVM takes up to 90 seconds to reach that 
seeding point. I have heard that on IBM System Z this trigger point requires 
minutes to be reached.


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