Re: [PATCH] console: make blank timeout value a boot option

From: Andrew Morton
Date: Thu Jun 04 2009 - 04:18:06 EST


On Thu, 4 Jun 2009 09:44:09 +0200 Daniel Mack <daniel@xxxxxxxx> wrote:

> On Thu, Jun 04, 2009 at 12:23:25AM -0700, Andrew Morton wrote:
> > > --- a/Documentation/kernel-parameters.txt
> > > +++ b/Documentation/kernel-parameters.txt
> > > @@ -545,6 +545,10 @@ and is between 256 and 4096 characters. It is defined in the file
> > > console=brl,ttyS0
> > > For now, only VisioBraille is supported.
> > >
> > > + consoleblank= [KNL] The console blank (screen saver) timeout in
> > > + seconds. Defaults to 10*60 = 10mins. A value of 0
> > > + disables the blank timer.
> > > +
> >
> > It would be better to make this alterable at runtime, rather than at
> > boot time. Perhaps another VT ioctl.
>
> That's already possible - there is an ioctl for that. It's just not
> configurable at boot time, and that occured to be very annoying when
> developing systems that won't fully boot up for >10mins. You have no way
> to wake up the console then.

Oh. Your changelog sucked :)

> Is there any concern why that shouldn't be a kernel option?

I suppose it makes sense. You really have systems which take more than
ten minutes to start running initscripts? Poor you.

Please resend with a more complete description?
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