l4lx: l4FB via con and dope

Andrew Davenport gtg259m at mail.gatech.edu
Wed Jul 6 20:46:02 CEST 2005


So, is con neccessary to catch printks from the linux kernel?  Also, I have no
clue to how to examine IRQ allocation in linux.  Another configuration issue i
notice is (in menu.lst):

module .../l4io --noirq

so we are not using irqs?


Quoting Adam Lackorzynski <adam at os.inf.tu-dresden.de>:

 On Wed Jul 06, 2005 at 13:44:13 -0400, Andrew Davenport wrote:
 > We are not using -esc, and it when trying to start L4FB via Dope, it says
 > unavailable", but it doesnt say anything after "Starting L4FB via con", so I
 > think it may actually be starting L4FB via con even though its not set to.

 Well, that's the way output is made. Most of the output in Linux is done
 via printk which needs some working console. I should probably change
 the l4fb init code to l4-printfs.
 Anyway, can you login to your box and see if the IRQs are properly used
 (e.g. 1 for the keyboard)? Or hack it into some init-script or similar.

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

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