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From: Andreas Dilger <adilger@clusterfs.com>
Date: Tue, 9 Apr 2002 21:53:12 -0600
To: Jeff Dike <jdike@karaya.com>
Cc: Pavel Machek <pavel@suse.cz>, linux-kernel@vger.kernel.org,
        user-mode-linux-user@lists.sourceforge.net
Subject: Re: [uml-user] Re: user-mode port 0.56-2.4.18-15
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On Apr 09, 2002  20:44 -0500, Jeff Dike wrote:
> Doesn't /dev/urandom have exactly the same DOS properties as /dev/random?
> I.e. it reads real random numbers until the entropy pool is empty, then 
> starts returning pseudo-random numbers?  If so, things on the host will 
> still hang when they then try to read /dev/random.

You are correct.  Reading from /dev/urandom consumes just as much
entropy as reading from /dev/random.  It just doesn't block when the
entropy pool is random.

Hmm, maybe this should be fixed by refilling the urandom entropy pool
much less often...

Cheers, Andreas
--
Andreas Dilger
http://www-mddsp.enel.ucalgary.ca/People/adilger/
http://sourceforge.net/projects/ext2resize/

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