Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752183AbaKEAUN (ORCPT ); Tue, 4 Nov 2014 19:20:13 -0500 Received: from mail-ie0-f173.google.com ([209.85.223.173]:49077 "EHLO mail-ie0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751052AbaKEAUL (ORCPT ); Tue, 4 Nov 2014 19:20:11 -0500 Date: Tue, 4 Nov 2014 16:20:08 -0800 (PST) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: Norbert Preining cc: linux-kernel@vger.kernel.org Subject: Re: khugepaged / firefox going wild in 3.18-rc In-Reply-To: <20141105001243.GR13232@auth.logic.tuwien.ac.at> Message-ID: References: <20141104232027.GO13232@auth.logic.tuwien.ac.at> <20141105001026.GQ13232@auth.logic.tuwien.ac.at> <20141105001243.GR13232@auth.logic.tuwien.ac.at> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 5 Nov 2014, Norbert Preining wrote: > Hi David, > > one more thing, attached dmesg output with some page faults, > maybe this is connected? > Hmm, I'm not aware of any mm->mmap_sem starvation issues in 3.18-rc, maybe this is a duplicate of another issue that someone has reported that I haven't seen. The lengthy output of echo t > /proc/sysrq-trigger should give a clue as to what is holding it or perhaps this is a more generic rwsem issue. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/