Re: How can I test my console driver?

[Antonino Daplas <adaplas@pol.net>]

On Tue, 2003-03-11 at 22:28, Alex Bennee wrote:
> > Why not just use take_over_console() with first and last equal to a tty
> > you can switch to?  If something bad happens, just switch to a working
> > console.
> 
> I tried that. It seems the first time I do a Ctrl-Alt-5 (for example) I
> loose the ability to use my keyboard. The only way I can recover
> anything is to re-boot my machine. This strikes me as a little odd as I
> thought the console was soley interested in output.
> 
> Is there anyway to write unbuffered output to the console? After all the
> only way I'm going to know anything is working is through dmesg and/or
> the screen image I read from my debugging proc interface.
> 

Maybe you can create dummy methods first, con_startup, con_init (used
during take_over_console), as well as the putc/s, scroll, clear, bmove,
etc.  Then you can implement them one by one and see which method
actually triggerred the lockup.

Tony 




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