From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752285AbeDZFvJ (ORCPT ); Thu, 26 Apr 2018 01:51:09 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:54703 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750924AbeDZFvI (ORCPT ); Thu, 26 Apr 2018 01:51:08 -0400 Date: Thu, 26 Apr 2018 07:51:06 +0200 From: Pavel Machek To: Paul Menzel Cc: "Theodore Ts'o" , linux-kernel@vger.kernel.org Subject: Re: Linux messages full of `random: get_random_u32 called from` Message-ID: <20180426055106.GA4977@amd> References: <42c1b84b-ab1f-5577-6304-e0985a637cf9@molgen.mpg.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42c1b84b-ab1f-5577-6304-e0985a637cf9@molgen.mpg.de> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! > Since Linux 4.17-rcX, Linux spams a lot of `random: get_random_u32 called > from` messages. I believe, this setting should be reverted by default as > otherwise a lot of other messages are not seen. > > Please find my configuration attached. Same here, thinkpad X60: [ 3.163839] systemd[1]: Failed to insert module 'ipv6' [ 3.181266] systemd[1]: Set hostname to . [ 3.267243] random: systemd-sysv-ge: uninitialized urandom read (16 bytes read) [ 3.669590] random: systemd-sysv-ge: uninitialized urandom read (16 bytes read) [ 3.696242] random: systemd: uninitialized urandom read (16 bytes read) [ 3.700066] random: systemd: uninitialized urandom read (16 bytes read) [ 3.703716] random: systemd: uninitialized urandom read (16 bytes read) [ 3.756137] random: systemd: uninitialized urandom read (16 bytes read) [ 3.760460] random: systemd: uninitialized urandom read (16 bytes read) [ 3.764515] random: systemd: uninitialized urandom read (16 bytes read) [ 3.835312] random: systemd: uninitialized urandom read (16 bytes read) [ 4.173204] systemd[1]: Binding to IPv6 address not available since kernel does not support IPv6. [ 4.176977] systemd[1]: [/lib/systemd/system/gpsd.socket:6] Failed to parse address value, ignoring: [::1]:2947 [ 4.186472] systemd[1]: Starting Forward Password Requests to Wall Directory Watch. [ 4.188845] systemd[1]: Started Forward Password Requests to Wall Directory Watch. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html