Re: [ACPI] Re: mem= option for broken bioses

[Pavel Machek <pavel@suse.cz>]

Hi!

> > > >>OK, looks reasonable. Can you also gen up a patch documenting this in
> > > >>kernel-parameters.txt?
> > > >>   
> > > >>
> > > >
> > > >You can, assuming you took the patch ;-).
> > > > 
> > > >
> > > well how can i find the correct value`s to put in ??
> > 
> > Well, similar method to how you use mem=123@456 parameters. You just
> > guess them. [Given kernel messages, it is actually quite easy.]
> > 
> 
> If I understand you,  you then just have to mem= with the correct
> value reported via, for example:
> 
> ducrot@novae:~$ dmesg | grep 'ACPI data'
>  BIOS-e820: 000000000fef0000 - 000000000feff000 (ACPI data)

Well, for you bios map is okay and you don't need mem= parameter.

> But big problem though.  It is really really strange that the
> BIOS mainteners have broken e820 call, are you sure you have
> enabled acpi in BIOS, and/or power management ?

Yes, what I needed was bios update. If you downgrade your bios you can
provoke same bug I saw.

-- 
Horseback riding is like software...
...vgf orggre jura vgf serr.