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From:   John Ogness <john.ogness@linutronix.de>
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To:     Willy Tarreau <w@1wt.eu>, David Laight <David.Laight@ACULAB.COM>
Cc:     'Steven Rostedt' <rostedt@goodmis.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Petr Mladek <pmladek@suse.com>,
        Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: Re: Strange output on the console
In-Reply-To: <20220225063637.GA18039@1wt.eu>
References: <20220224230035.36547137@gandalf.local.home>
 <61226fc12ff9459d8daed8e346d6ab94@AcuMS.aculab.com>
 <20220225063637.GA18039@1wt.eu>
Date:   Fri, 25 Feb 2022 10:43:40 +0106
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Hi Steven,

On 2022-02-25, Willy Tarreau <w@1wt.eu> wrote:
>> > And it always seems to happen right after:
>> > 
>> >   Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
>> > 
>> > Maybe this is a serial issue and not a printk one? :-/

Your first message says you attached a dmesg. Does this mean you dumped
the kernel log directly into the attached file? ...or was that a screen
capture in the attached file?

It is an important distinction because if garbage is landing in the
kernel buffer, it is not related to serial at all.

John