On Tue, 13 Feb 2007 20:25:39 +0100 (CET), Eric Spakman wrote
> > Thanks, Eric.  While ser2net does support multiple ports, the
> > question is if the version built with uClibc for Bering-uClibc 
> > will support _simultaneous_ communication to multiple serial
> > ports.   This is the problem that has been mentioned with 
> > ser2net compiled with uClibc.  It is very possible to have 
> > multiple print jobs being sent to more than one printer at once.
> >
> This isn't known by me, where did you get this information?
 
It was posted on the ser2net Sourceforge forum.  That list has
very low traffic and not many replies to questions.  I was
wondering if anyone here has actually tried it.


> The list of supported serial ports are in the kernel config:
> http://leaf.cvs.sourceforge.net/leaf/src/bering-uclibc/apps/linux/
> Most possible drivers are enabled as module (which can be found in 
> the kernel tarball, in the /kernel/drivers/char subdirectory)
>
> As far as I know there is support for 4 serial ports, but you can 
> build a custom kernel with more ports if needed (with the penalty of 
> added kernel size).

I need to support the two onboard serial ports along with 4 more
on a multiport card.  From the kernel config you referenced above,
it looks like it requires a recompiled kernel with
CONFIG_SERIAL_MANY_PORTS and CONFIG_SERIAL_MULTIPORT set.

I there a quick how-to for setting up the development environment
for just recompiling the Bering-uClibc kernel without rebuilding
the whole distribution from scratch?

Thanks.
---Hillel


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