Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262458AbVDGNLN (ORCPT ); Thu, 7 Apr 2005 09:11:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262457AbVDGNLM (ORCPT ); Thu, 7 Apr 2005 09:11:12 -0400 Received: from ns1.iptel.by ([80.94.225.5]:959 "EHLO iptel.by") by vger.kernel.org with ESMTP id S262455AbVDGNJf (ORCPT ); Thu, 7 Apr 2005 09:09:35 -0400 Subject: Re: /dev/random problem on 2.6.12-rc1 From: Yura Pakhuchiy To: Patrice Martinez Cc: linux-kernel@vger.kernel.org, "Philippe Garrigues (openX2)" In-Reply-To: <42552A33.6070704@ext.bull.net> References: <42552A33.6070704@ext.bull.net> Content-Type: text/plain Date: Thu, 07 Apr 2005 16:08:44 +0300 Message-Id: <1112879324.2035.8.camel@chaos.void> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 787 Lines: 24 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/