Debugging l4linux + l4re

Adam Lackorzynski adam at
Sun Jun 3 16:42:39 CEST 2012


On Tue May 29, 2012 at 23:04:28 -0500, Haohui Mai wrote:
> I'm running mag + L4Linux on a real machine that doesn't have a serial
> port. It's really difficult to debug -- I'm wondering if there're any
> ways to open a new window under mag, and to redirect all serial port
> I/O to that window?
> It would be really helpful for debugging. I appreciate if anyone could
> share if he happens wrote this program before, or giving me some
> suggestions.

All output is not possible but there's the fbterminal app which can
display textual output from other clients. Please search the list
archive, iirc there should be a setup example. fb-drv also supports a
dummy mode (-D) which keeps text mode but gives some invisible
framebuffer to its client to that they work.

Adam                 adam at

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