L4Linux console using CPU

Bert van Leeuwen bert.vanleeuwen at gmail.com
Fri Jun 24 09:15:16 CEST 2005


Thanks for all your help Adam, I think I'll explore the 2.6 L4Linux kernel 
avenue first, since that is where I'd like to go in the long term anyway.

On 6/24/05, Adam Lackorzynski <adam at os.inf.tu-dresden.de> wrote:
> 
> On Fri Jun 24, 2005 at 00:00:37 +0200, Bert van Leeuwen wrote:
> > OK, that works as far as CPU usage is concerned, but (as advertised) I 
> now
> > no longer get any updates in my L4Linux console (i.e. it is blank
> > permanently), so it is not usable anymore. Is there any way to have a 
> text
> > L4Linux console which does not use up CPU, or should I just not ever 
> switch
> > focus to the L4Linux framebuffer console?
> 
> I see now that 2.4 doesn't quite support all the feature like
> rectangular updates as 2.6 does. I.e. for 2.4 there are only full
> periodic updates possible, even for the console.
> One way could be to increase the sleep value to e.g. 1000 (1sec) instead
> of 0.
> 
> There's also a console driver in l4/pkg/l4con/examples/linux24_stub_lib
> that is supposed to work with 2.4 but I'm not sure it does right now. To
> use it, enable the CONFIG_L4_DROPSCON option in L4Linux so that it links
> to the stub lib.
> 
> 
> 
> 
> 
> Adam
> --
> Adam adam at os.inf.tu-dresden.de
> Lackorzynski http://os.inf.tu-dresden.de/~adam/
> 
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-- 
BvL
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