Re: [2.6 patch] let LOG_BUF_SHIFT default to 17

Adrian Bunk
2008-02-11T22:42:52Z

On Fri, Feb 01, 2008 at 05:20:03PM +0100, Ingo Molnar wrote:
>
> * Adrian Bunk <bunk@kernel.org> wrote:
>
> > 16 kB is often no longer enough for a normal boot of an UP system.
> >
> > And even less when people e.g. use suspend.
> >
> > 17 seems to be a more reasonable default for current kernels on
> > current hardware (it's just the default, anyone who is memory limited
> > can still lower it).
>
> agreed - but i think the default should be even higher. Many reported
> dmesg's are truncated at the really interesting bits so it's a real
> problem in practice.

17 is 128 kB.

Do we really have that many truncated dmesg's with LOG_BUF_SHIFT=17?

> Ingo

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed