lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Fri, 1 May 2020 16:16:33 +0300
From:   Andy Shevchenko <>
To:     Alper Nebi Yasak <>
Cc:     Sergey Senozhatsky <>,
        Greg Kroah-Hartman <>,
        Jiri Slaby <>, Petr Mladek <>,
        "open list:SERIAL DRIVERS" <>,
        Steven Rostedt <>,
        linux-arm Mailing List <>,
        Linux Kernel Mailing List <>,
        Andrew Morton <>,
        Andy Shevchenko <>,
        Arvind Sankar <>,
        Benjamin Herrenschmidt <>,
        Daniel Vetter <>,
        "David S. Miller" <>,
        Eric Biggers <>,
        Feng Tang <>,
        Grzegorz Halat <>,
        Lukas Wunner <>,
        Nicolas Pitre <>,
        Sam Ravnborg <>
Subject: Re: [RFC PATCH v2 0/3] Prefer working VT console over SPCR and
 device-tree chosen stdout-path

On Fri, May 1, 2020 at 2:11 PM Alper Nebi Yasak
<> wrote:
> On 01/05/2020 04:30, Sergey Senozhatsky wrote:

> I'm assuming "by default" here means "without console arguments"
> regardless of firmware requests. This paragraph (with small changes) is
> repeated on many other Kconfig descriptions (drivers/tty/serial/Kconfig,
> drivers/tty/serial/8250/Kconfig, arch/sparc/Kconfig from grepping for
> '/dev/tty0' on **/Kconfig).
> From Documentation/admin-guide/serial-console.rst:
> > You can specify multiple console= options on the kernel command line.
> > [...]
> > Note that you can only define one console per device type (serial, video).
> >
> > If no console device is specified, the first device found capable of
> > acting as a system console will be used. At this time, the system
> > first looks for a VGA card and then for a serial port. So if you don't
> > have a VGA card in your system the first serial port will automatically
> > become the console.
> and later on:
> > Note that if you boot without a ``console=`` option (or with
> > ``console=/dev/tty0``), ``/dev/console`` is the same as ``/dev/tty0``.
> > In that case everything will still work.

I'm wondering if behaviour is changed if you put console=tty1 instead
of console=tty0.

With Best Regards,
Andy Shevchenko

Powered by blists - more mailing lists