From debbugs-submit-bounces@debbugs.gnu.org Thu Jun 27 16:00:49 2019 Received: (at 36380) by debbugs.gnu.org; 27 Jun 2019 20:00:49 +0000 Received: from localhost ([127.0.0.1]:39792 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hgaZc-0004Pm-RB for submit@debbugs.gnu.org; Thu, 27 Jun 2019 16:00:49 -0400 Received: from eggs.gnu.org ([209.51.188.92]:33638) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hgaZb-0004PY-2q for 36380@debbugs.gnu.org; Thu, 27 Jun 2019 16:00:47 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:57994) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hgaZU-00060x-T4; Thu, 27 Jun 2019 16:00:40 -0400 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=35018 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hgaZU-0001pS-AT; Thu, 27 Jun 2019 16:00:40 -0400 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: Leo Famulari Subject: Re: bug#36380: service urandom-seed takes too long on boot References: <20190626154721.GA2999@jasmine.lan> <87zhm3xdfu.fsf@gnu.org> <20190627190314.GA7403@jasmine.lan> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 9 Messidor an 227 de la =?utf-8?Q?R=C3=A9volution?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Thu, 27 Jun 2019 22:00:37 +0200 In-Reply-To: <20190627190314.GA7403@jasmine.lan> (Leo Famulari's message of "Thu, 27 Jun 2019 15:03:14 -0400") Message-ID: <87r27evlwa.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 36380 Cc: 36380@debbugs.gnu.org, Robert Vollmert X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) Leo Famulari skribis: > On Thu, Jun 27, 2019 at 05:20:21PM +0200, Ludovic Court=C3=A8s wrote: >> We had a =E2=80=9Cbug report=E2=80=9D at >> , which may = be >> due to the same issue: >>=20 >> The first time I loaded Guix the boot process took an unusually long >> time. At one point the system appeared to lock up for about five >> minutes before continuing. In the end, from boot menu to graphical >> login screen, the start-up time totalled about ten minutes. > > Perhaps, but if the reason for the slowness on their first boot was a > suboptimal /dev/hwrng source, I would expect it to be equally slow for > each boot, since we unconditionally read 64 bytes each time. Perhaps VirtualBox behaves this way? For instance, the VM was rebooted but VirtualBox itself was still running, and thus it had a good random seed to start from on the second boot (does that make sense?). I guess we should try. > They are using an old machine with a spinning disk, so who knows... Still, what else could be taking this long? Thanks, Ludo=E2=80=99.