From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF8E0EE14A8 for ; Wed, 6 Sep 2023 15:21:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242491AbjIFPVO (ORCPT ); Wed, 6 Sep 2023 11:21:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232672AbjIFPVO (ORCPT ); Wed, 6 Sep 2023 11:21:14 -0400 Received: from muru.com (muru.com [72.249.23.125]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 631E41717; Wed, 6 Sep 2023 08:21:09 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 783DC8050; Wed, 6 Sep 2023 15:21:08 +0000 (UTC) Date: Wed, 6 Sep 2023 18:21:07 +0300 From: Tony Lindgren To: Marc Haber Cc: Sean Christopherson , Bagas Sanjaya , linux-kernel@vger.kernel.org, Linux Regressions , Linux KVM , Paolo Bonzini Subject: Re: Linux 6.5 speed regression, boot VERY slow with anything systemd related Message-ID: <20230906152107.GD11676@atomide.com> References: <20230901122431.GU11676@atomide.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org * Marc Haber [230906 14:41]: > If I cannot see the host boot, I cannot debug, and if I cannot type into > grub, I cannot find out whether removing the serial console from the > kernel command line fixes the issue. I have removed the network > interface to simplify things, so I need a working console. I use something like this for a serial console: -serial stdio -append "console=ttyS0 other kernel command line options" Regards, Tony