l4-hackers Digest, Vol 124, Issue 4

[Adam Lackorzynski]

On Tue Aug 06, 2013 at 12:55:41 +0300, Lluís Vilanova wrote:
> Adam Lackorzynski writes:
> 
> > On Mon Aug 05, 2013 at 14:08:40 +0300, Lluís Vilanova wrote:
> >> Adam Lackorzynski writes:
> >> 
> >> > On Mon Aug 05, 2013 at 01:22:17 +0300, Lluís Vilanova wrote:
> >> >> Hey, thanks for the response and the offer to keep me posted on the problem :)
> >> >> 
> >> >> Last time I tried with QEMU the system was working perfectly fine (with "make
> >> >> qemu"). Unfortunately, I need to run it on a real machine to get some
> >> >> performance measurements.
> >> 
> >> > Use grub1 is a quick tip, possibly via netboot (pxegrub). A short look
> >> > at current grub2 shows me some interesting and likely changed behaviour
> >> > but I didn't check further right now.
> >> 
> >> > https://os.inf.tu-dresden.de/~adam/grub/0.97/
> >> 
> >> Oh! I forgot to add that everything but the serial console works. I suppose I'll
> >> have to manually copy any timing numbers I print from my experiments.
> >> 
> >> Just in case, here's my grub1 entry:
> >> 
> >> title L4 (original)
> >> root (hd1,0)
> >> kernel /l4-orig/bootstrap -serial
> >> module /l4-orig/fiasco -serial_esc -comspeed 115200 -comport 0
> >> module /l4-orig/l4f/sigma0
> >> module /l4-orig/l4f/moe --init=rom/hello
> >> module /l4-orig/l4f/l4re
> >> module /l4-orig/l4f/hello
> 
> > That looks ok and should just work. Does it work under Qemu? Is it a
> > plain normal serial? Is it working in Grub?
> 
> It works flawlessly under QEMU. The Grub menu also shows up on the serial
> console of the real machine, but once bootstrap is started, only the screen
> works.

That all looks good to me, and that it works in Qemu also indicates that
it's ok. Could you maybe try another machine to see if it works there?



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