From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f171.google.com (mail-ig0-f171.google.com [209.85.213.171]) by kanga.kvack.org (Postfix) with ESMTP id F31646B0035 for ; Thu, 24 Apr 2014 12:46:35 -0400 (EDT) Received: by mail-ig0-f171.google.com with SMTP id c1so1116041igq.16 for ; Thu, 24 Apr 2014 09:46:35 -0700 (PDT) Received: from userp1040.oracle.com (userp1040.oracle.com. [156.151.31.81]) by mx.google.com with ESMTPS id u6si2926048icp.74.2014.04.24.09.46.35 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Thu, 24 Apr 2014 09:46:35 -0700 (PDT) Message-ID: <53593FE3.5000606@oracle.com> Date: Thu, 24 Apr 2014 12:46:27 -0400 From: Sasha Levin MIME-Version: 1.0 Subject: Re: mm: hangs in collapse_huge_page References: <534DE5C0.2000408@oracle.com> In-Reply-To: <534DE5C0.2000408@oracle.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "linux-mm@kvack.org" Cc: LKML , Dave Jones , Andrew Morton On 04/15/2014 10:06 PM, Sasha Levin wrote: > Hi all, > > I often see hung task triggering in khugepaged within collapse_huge_page(). > > I've initially assumed the case may be that the guests are too loaded and > the warning occurs because of load, but after increasing the timeout to > 1200 sec I still see the warning. Ping? It happens quite often right now. Thanks, Sasha -- 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