L4Linux with serial console / IRQ usage

Adam Lackorzynski adam at os.inf.tu-dresden.de
Mon Aug 14 17:41:54 CEST 2006

On Mon Aug 14, 2006 at 14:16:43 +0200, Andreas Niederl wrote:
> Adam Lackorzynski wrote:
> > On Fri Aug 11, 2006 at 14:39:32 +0200, Andreas Niederl wrote:
> [...]
> >>Now the system stops after printing out the message
> >>'l4lx    | l4lx_thread_create: Created thread 0e.0b (IRQ17)'.
> >>When using l4io as omega0 server it stops after this message:
> >>l4lx_irq_dev_startup_virt(17) unimplemented
> > 
> > 
> > Yes, unimplemented, I'm sorry. I added that to my todo list, should be
> > low hanging stuff.
> What about the stop after I got the first message using one thread per 
> IRQ with the rmgr way? Is it a known problem or perhaps caused by some 
> misconfiguration on my side?

Do you refer to the 'RMGR denied IRQ 4' issue? RMGR won't give you IRQ 4
as it is already used by the kernel for the debug console. Try the 17
with this setup and it should work.

Adam                 adam at os.inf.tu-dresden.de
  Lackorzynski         http://os.inf.tu-dresden.de/~adam/

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