From: Andi Kleen <ak@suse.de>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-kernel@vger.kernel.org, Andi Kleen <ak@suse.de>,
Pavel Machek <pavel@ucw.cz>
Subject: Re: Fw: 2.6.9-rc1-mm4: swsusp + AMD64 = LOCKUP on CPU0
Date: Wed, 8 Sep 2004 15:00:49 +0200 [thread overview]
Message-ID: <20040908130049.GA15444@wotan.suse.de> (raw)
In-Reply-To: <200409081451.55531.rjw@sisk.pl>
On Wed, Sep 08, 2004 at 02:51:55PM +0200, Rafael J. Wysocki wrote:
> On Wednesday 08 of September 2004 14:01, Andi Kleen wrote:
> > Pavel Machek <pavel@ucw.cz> writes:
> >
> > > Hi!
> > >
> > > > One for you guys on lkml ;)
> > >
> > > It simply takes long to count pages (O(n^2) algorithm), so watchdog
> > > triggers. I have better algorithm locally, but would like merge to
> > > linus first. (I posted it to lkml some days ago, I can attach the
> > > bigdiff).
> > >
> > > Just disable the watchdog. Suspend *is* going to take time with
> > > disabled interrupts.
> >
> >
> > As a short term workaround you could also add touch_nmi_watchdog()s
> > in that loop.
>
> You mean like that:
I doubt this will help, because the number of zones is quite small.
Better check every N pages, e.g. N=100
-Andi
next prev parent reply other threads:[~2004-09-08 13:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20040908021637.57525d43.akpm@osdl.org.suse.lists.linux.kernel>
[not found] ` <20040908102652.GA2921@atrey.karlin.mff.cuni.cz.suse.lists.linux.kernel>
2004-09-08 12:01 ` Fw: 2.6.9-rc1-mm4: swsusp + AMD64 = LOCKUP on CPU0 Andi Kleen
2004-09-08 12:51 ` Rafael J. Wysocki
2004-09-08 13:00 ` Andi Kleen [this message]
2004-09-08 14:52 ` Rafael J. Wysocki
2004-09-08 14:54 ` Pavel Machek
[not found] <20040908021637.57525d43.akpm@osdl.org>
2004-09-08 10:26 ` Pavel Machek
2004-09-08 12:19 ` Rafael J. Wysocki
2004-09-08 12:55 ` Zwane Mwaikambo
2004-09-08 14:47 ` Rafael J. Wysocki
2004-09-08 20:47 ` Rafael J. Wysocki
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