Re: port-evbarm/54696: Kernel panic in bus_dma.c on Raspberry Pi 3B/3B+

[sc.dying%gmail.com@localhost]

On 2019/11/26 00:10, Michael van Elst wrote:
> The following reply was made to PR port-arm/54696; it has been noted by GNATS.
> 
> From: mlelstv%serpens.de@localhost (Michael van Elst)
> To: gnats-bugs%netbsd.org@localhost
> Cc: 
> Subject: Re: port-evbarm/54696: Kernel panic in bus_dma.c on Raspberry Pi 3B/3B+
> Date: Tue, 26 Nov 2019 00:07:37 -0000 (UTC)
> 
>  sc.dying%gmail.com@localhost writes:
>  
>  >BTW, off topic a bit, I also add sysctl code to set dwc2debug.
>  >NetBSD on RPI3B cannot use PL011 port as a console?
>  
>  That's controlled by the DTB. If you use PL011 as the console and
>  also want to use bluetooth, you need to reconfigure that to use
>  the AUX uart and reduce its speed as the AUX uart has only a
>  tiny FIFO.

..and bcm2835-aux-uart does not detect break signal.
That's why I wanna switch to PL011 console.

>  
>  If you use the AUX uart for anything you must also fix the ARM clock
>  (e.g. with force_turbo=1) as the baudrate is derived from it.

Thank you for your suggestion.
I'll look into the device tree subsystem.