From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) by ozlabs.org (Postfix) with ESMTP id 32E4B2C00A3 for ; Fri, 14 Feb 2014 10:06:42 +1100 (EST) Date: Thu, 13 Feb 2014 15:06:39 -0800 From: Andrew Morton To: "Aneesh Kumar K.V" Subject: Re: [PATCH V2 0/3] powerpc: Fix random application crashes with NUMA_BALANCING enabled Message-Id: <20140213150639.2b9124797ac4975b6119f6f0@linux-foundation.org> In-Reply-To: <1392176618-23667-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1392176618-23667-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: riel@redhat.com, linux-mm@kvack.org, paulus@samba.org, mgorman@suse.de, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 12 Feb 2014 09:13:35 +0530 "Aneesh Kumar K.V" wrote: > Hello, > > This patch series fix random application crashes observed on ppc64 with numa > balancing enabled. Without the patch we see crashes like > > anacron[14551]: unhandled signal 11 at 0000000000000041 nip 000000003cfd54b4 lr 000000003cfd5464 code 30001 > anacron[14599]: unhandled signal 11 at 0000000000000041 nip 000000003efc54b4 lr 000000003efc5464 code 30001 > Random application crashes are bad. Which kernel version(s) do you think need fixing here? I grabbed the patches but would like to hear from Ben (or something approximating him) before doing anything with them, please.