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Re: kern/48028: Read from /dev/random hangs

The following reply was made to PR kern/48028; it has been noted by GNATS.

From: Taylor R Campbell <>
Subject: Re: kern/48028: Read from /dev/random hangs
Date: Tue, 9 Jul 2013 23:22:44 +0000

 Did it hang before a kernel update?  If so, when was your previous
 kernel from?
 Does banging on the keyboard like a monkey unwedge the system?
 What entropy sources do you have on your system (rndctl -l)?
 Is this in the usual /etc/rc.d/cgd -- that is, for a device listed in
 /etc/cgd/cgd.conf?  If not, how are you invoking cgdconfig?
 Did you have an entropy file (/var/db/entropy-file)?  (Note that
 /etc/rc.d/rndctl will delete it on boot, and recreate it on shutdown
 -- if shutdown is clean.)
 Can you try using a kernel with options RND_DEBUG and RND_VERBOSE?

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