Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753554AbbL2RBd (ORCPT ); Tue, 29 Dec 2015 12:01:33 -0500 Received: from resqmta-ch2-07v.sys.comcast.net ([69.252.207.39]:37370 "EHLO resqmta-ch2-07v.sys.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752024AbbL2RB1 (ORCPT ); Tue, 29 Dec 2015 12:01:27 -0500 Date: Tue, 29 Dec 2015 11:01:25 -0600 (CST) From: Christoph Lameter X-X-Sender: cl@east.gentwo.org To: Sasha Levin cc: Michal Hocko , LKML , "linux-mm@kvack.org" Subject: Re: mm, vmstat: kernel BUG at mm/vmstat.c:1408! In-Reply-To: <567C522E.50207@oracle.com> Message-ID: References: <5674A5C3.1050504@oracle.com> <567860EB.4000103@oracle.com> <56786A22.9030103@oracle.com> <567C522E.50207@oracle.com> Content-Type: text/plain; CHARSET=US-ASCII Content-ID: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 739 Lines: 21 On Thu, 24 Dec 2015, Sasha Levin wrote: > >> > [ 3462.527795] pwq 4: cpus=2 node=2 flags=0x0 nice=0 active=1/256 > >> > [ 3462.554836] pending: vmstat_update > > Does that mean that vmstat_update locks up or something that schedules it? > > I think it means that vmstat_update didn't finish running (working). There is nothing in there that blocks. > > Also what workload triggers the BUG()? > > Fuzzing with trinity inside a KVM guest. I've attached my config. Ok will have a look. -- 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/