On 2024-02-01, Sreenath Vijayan <[email protected]> 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 <[email protected]>
> Signed-off-by: Shimoyashiki Taichi <[email protected]>
Reviewed-by: John Ogness <[email protected]>