From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Subject: bug#37501: [core-updates] Entropy starvation during boot Date: Wed, 02 Oct 2019 15:42:48 +0200 Message-ID: <875zl7i7qf.fsf@gnu.org> References: <87sgolae6l.fsf@devup.no> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:470:142:3::10]:59021) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iFeuF-0004ip-4B for bug-guix@gnu.org; Wed, 02 Oct 2019 09:43:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iFeuD-0007JN-Tm for bug-guix@gnu.org; Wed, 02 Oct 2019 09:43:03 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:55145) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iFeuD-0007JF-QT for bug-guix@gnu.org; Wed, 02 Oct 2019 09:43:01 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iFeuD-0005qV-O1 for bug-guix@gnu.org; Wed, 02 Oct 2019 09:43:01 -0400 Sender: "Debbugs-submit" Resent-Message-ID: In-Reply-To: <87sgolae6l.fsf@devup.no> (Marius Bakke's message of "Tue, 24 Sep 2019 17:48:02 +0200") List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org Sender: "bug-Guix" To: Marius Bakke Cc: 37501@debbugs.gnu.org Hello! Marius Bakke skribis: > After reconfiguring on the 'core-updates' branch, systems using the > OpenSSH service will occasionally (not always!) hang forever during > boot, waiting for entropy. Moving the mouse or mashing the keyboard > allows the boot to proceed. > > I don't think this is limited to OpenSSH, but anything that calls > getrandom() during startup. > > There is some information about this problem and various workarounds > here, including links to recent LKML discussions: > > https://daniel-lange.com/archives/152-hello-buster.html > > For Guix, I believe adding (service urandom-seed-service-type) to > %base-services should be sufficient, but have not verified this yet. =E2=80=98urandom-seed=E2=80=99 is already part of =E2=80=98%base-services= =E2=80=99. I have Guix System on =E2=80=98core-updates=E2=80=99 since Sept. 19th, and I haven=E2=80=99t e= xperienced the problem (or at least it always booted without troubles; could it be that I didn=E2=80=99t notice?). Did you remove =E2=80=98urandom-seed=E2=80=99 from your list of services? Thanks, Ludo=E2=80=99.