From: Seth Forshee <seth.forshee@canonical.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: Performance/resume issues on Toshiba NB305
Date: Fri, 25 Feb 2011 16:33:57 -0600 [thread overview]
Message-ID: <20110225223357.GE24686@thinkpad-t410> (raw)
In-Reply-To: <alpine.LFD.2.00.1102252309480.2701@localhost6.localdomain6>
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.
next prev parent reply other threads:[~2011-02-25 22:34 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-25 16:42 Performance/resume issues on Toshiba NB305 Seth Forshee
2011-02-25 20:17 ` Steven Rostedt
2011-02-25 20:27 ` Seth Forshee
2011-02-25 22:11 ` Thomas Gleixner
2011-02-25 22:33 ` Seth Forshee [this message]
2011-02-25 20:37 ` Thomas Gleixner
2011-02-25 21:21 ` Seth Forshee
2011-02-25 21:47 ` Thomas Gleixner
2011-02-25 22:29 ` Seth Forshee
2011-02-25 22:40 ` Thomas Gleixner
2011-02-26 5:58 ` Burt Triplett
2011-02-26 15:00 ` Seth Forshee
2011-02-27 20:17 ` Burt Triplett
2011-02-28 15:10 ` Seth Forshee
2011-03-05 5:55 ` Burt Triplett
2011-02-26 8:49 ` [tip:timers/urgent] clockevents: Prevent oneshot mode when broadcast device is periodic tip-bot for Thomas Gleixner
2011-03-01 20:04 ` Performance/resume issues on Toshiba NB305 Seth Forshee
2011-03-01 20:22 ` Thomas Gleixner
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