Re: HP 9000-382 based instrument panics on cnopen()

On Oct 6, 2021, at 4:32 AM, Izumi Tsutsui <[email protected]> wrote:
> 
>> Is there anything I should printf() within your patch too?
>> Since I can get a reliable dmesg now using serial, I can output
>> pretty much arbitrary information.
> 
> A major problem on debugging framebuffer "console" is
> that we cannot use the "console" for debug printfs.
> 
> I've used the attached diff to "make serial com(4) at dio also
> work as console even on framebuffer console".
> 
> I'm not sure if it can still be applied (i.e. console messages are emitted
> both on the framebuffer and serial once after com(4) at dio is attached),
> but worth to try.

This is a great idea, I'll definitely try it out too.

  -- Chris