From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx130.postini.com [74.125.245.130]) by kanga.kvack.org (Postfix) with SMTP id 9771E6B0062 for ; Tue, 4 Dec 2012 03:55:07 -0500 (EST) Received: by mail-ee0-f41.google.com with SMTP id d41so2560666eek.14 for ; Tue, 04 Dec 2012 00:55:06 -0800 (PST) Message-ID: <50BDBA64.8080404@suse.cz> Date: Tue, 04 Dec 2012 09:55:00 +0100 From: Jiri Slaby MIME-Version: 1.0 Subject: Re: kswapd craziness in 3.7 References: <1354049315-12874-1-git-send-email-hannes@cmpxchg.org> <50BCA59D.6040704@suse.cz> In-Reply-To: <50BCA59D.6040704@suse.cz> Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: Andrew Morton , Mel Gorman , Rik van Riel , George Spelvin , Johannes Hirte , Tomas Racek , Jan Kara , Dave Hansen , Josh Boyer , Valdis.Kletnieks@vt.edu, Thorsten Leemhuis , Zdenek Kabelac , Bruno Wolff III , Linus Torvalds , linux-mm@kvack.org, linux-kernel@vger.kernel.org On 12/03/2012 02:14 PM, Jiri Slaby wrote: > On 11/27/2012 09:48 PM, Johannes Weiner wrote: >> I hope I included everybody that participated in the various threads >> on kswapd getting stuck / exhibiting high CPU usage. We were looking >> at at least three root causes as far as I can see, so it's not really >> clear who observed which problem. Please correct me if the >> reported-by, tested-by, bisected-by tags are incomplete. > > Hi, I reported the problem for the first time but I got lost in the > patches flying around very early. > > Whatever is in the current -next, works for me since -next was > resurrected after the 2 weeks gap last week... Bah, I always need to write an email to reproduce that. It's back: 3.7.0-rc7-next-20121130 [] __cond_resched+0x2a/0x40 [] shrink_slab+0x1c0/0x2d0 [] kswapd+0x65d/0xb50 [] kthread+0xc0/0xd0 [] ret_from_fork+0x7c/0xb0 [] 0xffffffffffffffff Going to apply this: https://lkml.org/lkml/2012/12/3/407 and wait another 5 days to see the results... thanks, -- js suse labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org