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To: Sreenath Vijayan <sreenath.vijayan@sony.com>, corbet@lwn.net,
 gregkh@linuxfoundation.org, jirislaby@kernel.org, pmladek@suse.com
Cc: rdunlap@infradead.org, rostedt@goodmis.org, senozhatsky@chromium.org,
 linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
 linux-serial@vger.kernel.org, taichi.shimoyashiki@sony.com,
 daniel.palmer@sony.com, anandakumar.balasubramaniam@sony.com,
 sreenath.vijayan@sony.com
Subject: Re: [PATCH v4 2/2] tty/sysrq: Dump printk ring buffer messages via
 sysrq
In-Reply-To: <ca8dd18e434f309612c907d90e9f77c09e045b37.1706772349.git.sreenath.vijayan@sony.com>
References: <cover.1706772349.git.sreenath.vijayan@sony.com>
 <ca8dd18e434f309612c907d90e9f77c09e045b37.1706772349.git.sreenath.vijayan@sony.com>
Date: Thu, 01 Feb 2024 12:35:32 +0106
Message-ID: <87plxgo21v.fsf@jogness.linutronix.de>
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On 2024-02-01, Sreenath Vijayan <sreenath.vijayan@sony.com> wrote:
> When terminal is unresponsive, one cannot use dmesg to view printk
> ring buffer messages. Also, syslog services may be disabled,
> to check the messages after a reboot, especially on embedded systems.
> In this scenario, dump the printk ring buffer messages via sysrq
> by pressing sysrq+D.
>
> Signed-off-by: Sreenath Vijayan <sreenath.vijayan@sony.com>
> Signed-off-by: Shimoyashiki Taichi <taichi.shimoyashiki@sony.com>

Reviewed-by: John Ogness <john.ogness@linutronix.de>