On 2024-02-01, Sreenath Vijayan <sreenath.vijayan@xxxxxxxx> 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@xxxxxxxx> > Signed-off-by: Shimoyashiki Taichi <taichi.shimoyashiki@xxxxxxxx> Reviewed-by: John Ogness <john.ogness@xxxxxxxxxxxxx>