From: Yura Pakhuchiy <pakhuchiy@iptel.by>
To: Patrice Martinez <patrice.martinez@ext.bull.net>
Cc: linux-kernel@vger.kernel.org,
"Philippe Garrigues (openX2)" <garrigue@openx2.frec.bull.fr>
Subject: Re: /dev/random problem on 2.6.12-rc1
Date: Thu, 07 Apr 2005 16:08:44 +0300 [thread overview]
Message-ID: <1112879324.2035.8.camel@chaos.void> (raw)
In-Reply-To: <42552A33.6070704@ext.bull.net>
On Thu, 2005-04-07 at 14:40 +0200, Patrice Martinez wrote:
> When using a machine with a 2612-rc 1kernel, I encounter problems
> reading /dev/random:
> it simply nevers returns anything, and the process is blocked in the
> read...
> The easiest way to see it is to type:
> od < /dev/random
>
> Any idea?
Because, /dev/random use user input, mouse movements and other things to
generate next random number. Use /dev/urandom if you want version that
will never block your machine.
Read "man 4 random" for details.
Best regards,
Yura
next prev parent reply other threads:[~2005-04-07 13:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-07 12:40 /dev/random problem on 2.6.12-rc1 Patrice Martinez
2005-04-07 13:08 ` Yura Pakhuchiy [this message]
2005-04-07 13:14 ` Yura Pakhuchiy
2005-04-07 15:36 ` Simon Derr
2005-04-07 21:12 ` Matt Mackall
2005-04-08 6:56 ` Simon Derr
2005-04-08 7:55 ` Matt Mackall
2005-04-08 12:12 ` buggy ia64_fls() ? (was Re: /dev/random problem on 2.6.12-rc1) Simon Derr
2005-04-08 16:27 ` Matt Mackall
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