mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
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


  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 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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1112879324.2035.8.camel@chaos.void \
    --to=pakhuchiy@iptel.by \
    --cc=garrigue@openx2.frec.bull.fr \
    --cc=linux-kernel@vger.kernel.org \
    --cc=patrice.martinez@ext.bull.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®