From: Andi Kleen <ak@suse.de>
To: Pavel Machek <pavel@ucw.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Fw: 2.6.9-rc1-mm4: swsusp + AMD64 = LOCKUP on CPU0
Date: 08 Sep 2004 14:01:08 +0200 [thread overview]
Message-ID: <p73acw1hsvv.fsf@brahms.suse.de> (raw)
In-Reply-To: <20040908102652.GA2921@atrey.karlin.mff.cuni.cz.suse.lists.linux.kernel>
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.
-Andi
next parent reply other threads:[~2004-09-08 12:09 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 ` Andi Kleen [this message]
2004-09-08 12:51 ` Fw: 2.6.9-rc1-mm4: swsusp + AMD64 = LOCKUP on CPU0 Rafael J. Wysocki
2004-09-08 13:00 ` Andi Kleen
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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