linux-kernel - Re: Linux 6.5 speed regression, boot VERY slow with anything systemd related

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Message-ID: <20230906152107.GD11676@atomide.com>
Date:   Wed, 6 Sep 2023 18:21:07 +0300
From:   Tony Lindgren <tony@...mide.com>
To:     Marc Haber <mh+linux-kernel@...schlus.de>
Cc:     Sean Christopherson <seanjc@...gle.com>,
        Bagas Sanjaya <bagasdotme@...il.com>,
        linux-kernel@...r.kernel.org,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux KVM <kvm@...r.kernel.org>,
        Paolo Bonzini <pbonzini@...hat.com>
Subject: Re: Linux 6.5 speed regression, boot VERY slow with anything systemd
 related

* Marc Haber <mh+linux-kernel@...schlus.de> [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