On Tue, Jan 10, 2006 at 09:25:46PM +0100, Jan Engelhardt wrote:
> >What would be also cool would be to fix the VGA console to have
> >a larger scroll back buffer. The standard kernel boot output
> >is far larger than the default scrollback, so if you get a hang
> >late you have no way to look back to all the earlier
> >messages.
> >
> >(it is hard to understand that with 128MB+ graphic cards and 512+MB
> >computers the scroll back must be still so short...)
>
> I doubt this scrollback buffer is implemented as part of the video cards.
> It is rather a kernel invention, and therefore uses standard RAM. But the
> idea is good, preferably make it a CONFIG_ option.
There is a config option that lets you specify the size of this buffer:
CONFIG_LOG_BUF_SHIFT
Jeff.
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