RELENG_6: serial console drops back from 115200 to 9600 baud

[Ruslan Ermilov]

On Sun, Feb 26, 2006 at 09:26:02PM +0100, Dimitry Andric wrote:
> Ed Maste wrote:
> > So I suspect that the following happens when you boot:
> > 
> > - your BIOS sets the serial port to 9600
> 
> Yes.
> 
> > - boot0 does nothing with the serial pot
> 
> I'm using 'dangerously dedicated' disks, so it's only boot[12] that is used.
> 
> > - boot1/2 reads the -P in /boot.config and detects no keyboard, and
> >   then sets the serial port to 9600 and the console to comconsole
> 
> Indeed, I never got the "/boot.config: -P" message on the serial console
> before.  Now I get it, using updated boot blocks.
> 
> > - the loader detects that the serial port is enabled and is already
> >   set to 9600
> 
> > Thus, I'm not surprised that you get a 9600 baud console without
> > an rc.conf setting.  The thing that concerns me is your report that
> > the console does not run at 115200 even if /boot/loader.conf
> > contains comconsole_speed="115200".
> 
> This turns out to be an error on my part, sorry to have you worried. :)
> I'd accidentally put "console_speed=115200" in loader.conf.  With
> "comconsole_speed=115200" and 9600 baud boot blocks, it works okay,
> although you don't see any of the boot[12] messages, of course.
> 
> That's why installing 115200 baud boot blocks is still the better
> solution for me; my BIOS doesn't have any possibility to set the COM
> port speeds...
> 
The best for you would be to add -S115200 in /boot.config, after
reinstalling new boot blocks (bsdlabel -B), and throw everything
else that's related from make.conf and loader.conf.


Cheers,
-- 
Ruslan Ermilov
ru at FreeBSD.org
FreeBSD committer
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