Re: [RFC PATCH v4 9/9] printk: use a new ringbuffer implementation

From: Sergey Senozhatsky
Date: Mon Sep 09 2019 - 23:21:37 EST

On (08/10/19 07:53), Thomas Gleixner wrote:
> Right now we have an implementation for serial only, but that already is
> useful. I nicely got (minimaly garbled) crash dumps out of an NMI
> handler. With the current mainline console code the machine just hung.

Thomas, any chance you can post backtraces? Just curious where exactly
current printk() and console_drivers() hung.