Received: by 10.192.165.148 with SMTP id m20csp1614341imm; Wed, 25 Apr 2018 22:52:30 -0700 (PDT) X-Google-Smtp-Source: AIpwx48VHo746Ty7F00Xo2V/yYHTE+ZSlxFSH8ipcmzVknKv3WMMzYiLKVF88Vz79i+NVDBC+lui X-Received: by 10.99.96.202 with SMTP id u193mr21247569pgb.197.1524721950598; Wed, 25 Apr 2018 22:52:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1524721950; cv=none; d=google.com; s=arc-20160816; b=nfw4SArkJxpqlTYZkGk2eh25EjSYgvjN3ih71OAf6jQ0p3uPqPYxiuKpf6ziurr4ww nIX5xoZ0EL7yp5HYyNe4XnuNP06V6kpn1IYSuPyzF7vFNeAv+caX6wVRlK3xcNlSkz1O tZuc76NV0XoqJ3Ide9PPn/UxzWrW15pw9OMxgHPX6rojp6ngz1B+YUOYQVFoQjmedWv+ 8I6JvHp81DOCSHavhRgFunRPGFEQMaskR4CGFufyxO8T7Ew3VUxPfJgNoEmNPwWi8Acp p0AfSTbtSkU6wk/Al/8wzK4YVCtGzXh7iEpa+l8RbMQc+Aj5pwx2aMm+PWDh4+/uCcT/ HPiQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=8dP2D1xNLGdngOStE1TMDd/u3aeeeEfq3D5C+mHaZCk=; b=SPItPe1xoxrkJdCmG8babzJ/5JsbPe5duvYgDi30vYCiKwEM6QdtTAHoYMogQN6IKX LVr4MNKS2bwN+jjYimAtinZa6JNfF1c3wBbf9vx+UvKNtZMwvTr0eBC5IA15noApGrNZ 5k0T0tj9vhRJ/3WQGXyW7mnZJjUibrYfIaCRMNd+ex4Vjb+VrFhMriIOa+nL7cyzcbjz fXRA51HGbBjaPUTfTHl7EM1Rz264FHCjynoK1WUNpXrj78FhSc6uH6TyntLY4exgnGTi UtcHeYjZ5ganIqtXW/9eXNkGrLtAjZnxSTv+TsPcVarb4UMFaULqHQt+Ucl8oxjsJs2q epaw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r87si17546137pfg.305.2018.04.25.22.52.15; Wed, 25 Apr 2018 22:52:30 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752262AbeDZFvJ (ORCPT + 99 others); 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 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 98BC4804AB; Thu, 26 Apr 2018 07:51:06 +0200 (CEST) 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 Precedence: bulk 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