Re: Performance/resume issues on Toshiba NB305

Seth Forshee
2011-02-25T22:34:03Z

On Fri, Feb 25, 2011 at 11:11:31PM +0100, Thomas Gleixner wrote:
> On Fri, 25 Feb 2011, Seth Forshee wrote:
> > On Fri, Feb 25, 2011 at 03:17:47PM -0500, Steven Rostedt wrote:
> > > > One possible explanation here is that the performance problems are also
> > > > related to hangs in SMI handlers until there's a timer interrupt,
> > > > although I don't know how that explains why some of the command line
> > > > options eliminate the performance issues.
> > >
> > > Sounds like a buggy BIOS to me. Is there upgrades available for this
> > > box?
> >
> > It does sound like a buggy BIOS. I've already flashed the latest BIOS
> > though, so no luck there.
>
> Has the BIOS some knob to disable that feature^Wcrap? It's often
> hidden behind some "$manufacturer super extra mode".

You mean the "hang in SMI until a timer interrupt fires" feature? ;)

There's nothing in the BIOS settings that looks relevant to either of
the topics at hand.