Chris,
As you suggested, I modified the redboot script ("console=none") and it did
solve the problem. Thank you for your help.
- Alex
--- In Christian Gagneraud <> wrote:
>
> On 04/20/2010 08:32 PM, Alex wrote:
> > I have a problem with TS7260 COM port. I am trying to use COM1 port to
> > read tilt sensor data. Sometimes the tilt sensor works good, and sometimes
> > it "hangs" during power on. I narrowed down the problem to the fact that
> > TS7260 is sending something on COM1 during boot time, which occasionally
> > blocks tilt sensor board. I already disabled getty() and removed JP2
> > jumper (so COM1 should not be acting as console). Does anybody know what
> > processes are trying to send data on the COM1 during boot-up time and how
> > to turn off these processes?
> >
> > I am running "standard" off-the-shelf 7260 with 2.4.26 kernel. I can not
> > use COM2 because it is already used for other purpose. Both 7260 and tilt
> > sensor board are powered up at the same time.
>
> When you boot your board the bootloader(s) will send data through COM1
> (unless some jumpers are set), then the kernel will do that as well
> when booting (can be disabled via the "console=none" kernel parameter
> in redboot) and finally the init process will open a console on it (if
> enabled in inittab).
>
> Chris
>
>
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
>
>
> --
> Christian Gagneraud,
> Electronics and software engineer
>
> TechWorks Marine Ltd
> 4a, Park Lane
> Dun Laoghaire, Co Dublin
> Ireland
>
> Tel: + 353 1 2365990
> Fax: + 353 1 2365992
> Web: www.techworks.ie
>
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