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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Gary Thomas <gary@mlbassoc.com>
Date: Tue, 23 Apr 2013 14:07:17 +0100
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Subject: Re: Splashscreen using psplash
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On Tue, 2013-04-23 at 06:34 -0600, Gary Thomas wrote:
> On 2013-04-23 06:29, Andreas Enbacka wrote:
> > Hello,
> >
> > Thanks a lot for info, I will try with that.
> >
> > //Andreas
> >
> > -----Original Message-----
> > From: Burton, Ross [mailto:ross.burton@intel.com]
> > Sent: 23. huhtikuuta 2013 15:09
> > To: Andreas Enbacka
> > Cc: yocto@yoctoproject.org
> > Subject: Re: [yocto] Splashscreen using psplash
> >
> > On 23 April 2013 13:03, Andreas Enbacka <aenbacka@gmail.com> wrote:
> >> I am creating a custom image based on core-image-sato, with a custom splash
> >> screen (using psplash). I have been able to replace the default yocto
> >> splashscreen in my image,  however, my question is whether it is possible to
> >> hide the initial console output text displayed on the screen prior to
> >> showing the splashscreen?  Currently most of the boot process is completed
> >> at the stage when the splash screen is being displayed on screen. This is
> >> because the image should be used as part of an embedded device, and the
> >> end-user should not see any traces of the underlying linux distro.
> >
> > Passing "quiet" to the kernel (APPEND+="quiet" in local.conf will do
> > it for testing) should stop the majority of the text.  A full
> > splash-from-bootloader is possible if you have a bootloader that
> > displays the image, and then a silent kernel from there.
> 
> Note: AFAICT this will only work if booting using grub or syslinux, not U-Boot
> or some other embedded bootstrap.

The trick is to redirect the console output somewhere else. By default
it goes to the first tty if I recall correctly but you can send it to a
serial port or wherever you want...

Cheers,

Richard