From: Dave Hansen <dave@sr71.net>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Alan Stern <stern@rowland.harvard.edu>, gregkh <gregkh@suse.de>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
USB list <linux-usb@vger.kernel.org>
Subject: Re: USB disconnects every 30 seconds (2.6.27-rc8)
Date: Fri, 03 Oct 2008 15:46:15 -0700 [thread overview]
Message-ID: <1223073975.7944.67.camel@nimitz> (raw)
In-Reply-To: <alpine.LFD.2.00.0810040018200.4404@apollo>
On Sat, 2008-10-04 at 00:24 +0200, Thomas Gleixner wrote:
> On Fri, 3 Oct 2008, Alan Stern wrote:
> > On Fri, 3 Oct 2008, Dave Hansen wrote:
> > There are a number of other places in the trace where delays are
> > shorter than they should be. This is out of my area of expertise, so
> > I'm CC'ing Thomas Gleixner. With luck he'll be able to help.
> >
> > Thomas, the background for this problem is available here:
> >
> > http://marc.info/?l=linux-kernel&m=122305738430115&w=2
>
> Is NOHZ and HIGHRES disabled on those kernels? Hugh spotted a typo in
> that code today. Fix is below. It causes jiffies to increment too fast
> which explains your short delays.
Here's my config:
http://sr71.net/~dave/linux/config-10-03-2008.1.txt
No NOHZ or HIGHRES. Is that what you meant?
-- Dave
next prev parent reply other threads:[~2008-10-03 22:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-03 17:45 USB disconnects every 30 seconds (2.6.27-rc8) Dave Hansen
2008-10-03 18:40 ` Alan Stern
2008-10-03 19:08 ` Dave Hansen
2008-10-03 20:55 ` Alan Stern
2008-10-03 22:24 ` Thomas Gleixner
2008-10-03 22:46 ` Dave Hansen [this message]
2008-10-03 23:06 ` Dave Hansen
2008-10-04 8:48 ` Marcel Holtmann
2008-10-04 16:33 ` Alan Stern
2008-10-04 18:12 ` Alan Stern
2008-10-05 17:59 ` Dave Hansen
2008-10-05 19:16 ` Alan Stern
2008-10-05 20:31 ` Dave Hansen
2008-10-03 19:23 ` Alan Stern
2008-10-03 19:56 ` Dave Hansen
2008-10-03 20:55 ` Alan Stern
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