Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759626AbZF2OWU (ORCPT ); Mon, 29 Jun 2009 10:22:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752244AbZF2OWI (ORCPT ); Mon, 29 Jun 2009 10:22:08 -0400 Received: from mx2.redhat.com ([66.187.237.31]:51333 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752746AbZF2OWG (ORCPT ); Mon, 29 Jun 2009 10:22:06 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20090629125549.GA22932@localhost> References: <20090629125549.GA22932@localhost> <26537.1246086769@redhat.com> <20090627125412.GA1667@cmpxchg.org> <20090628113246.GA18409@localhost> <28c262360906280630n557bb182n5079e33d21ea4a83@mail.gmail.com> <28c262360906280636l93130ffk14086314e2a6dcb7@mail.gmail.com> <20090628142239.GA20986@localhost> <2f11576a0906280801w417d1b9fpe10585b7a641d41b@mail.gmail.com> <20090628151026.GB25076@localhost> <20090629091741.ab815ae7.minchan.kim@barrios-desktop> <17678.1246270219@redhat.com> To: Wu Fengguang Cc: dhowells@redhat.com, Minchan Kim , KOSAKI Motohiro , Johannes Weiner , "riel@redhat.com" , Andrew Morton , LKML , Christoph Lameter , "peterz@infradead.org" , "tytso@mit.edu" , "linux-mm@kvack.org" , "elladan@eskimo.com" , "npiggin@suse.de" , "Barnes, Jesse" Subject: Re: Found the commit that causes the OOMs Date: Mon, 29 Jun 2009 15:21:40 +0100 Message-ID: <29432.1246285300@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2361 Lines: 56 Wu Fengguang wrote: > Sorry! This one compiles OK: Sadly that doesn't seem to work either: msgctl11 invoked oom-killer: gfp_mask=0x200da, order=0, oom_adj=0 msgctl11 cpuset=/ mems_allowed=0 Pid: 30858, comm: msgctl11 Not tainted 2.6.31-rc1-cachefs #146 Call Trace: [] ? oom_kill_process.clone.0+0xa9/0x245 [] ? __out_of_memory+0x12b/0x142 [] ? out_of_memory+0x6a/0x94 [] ? __alloc_pages_nodemask+0x42e/0x51d [] ? do_wp_page+0x2c6/0x5f5 [] ? handle_mm_fault+0x5dd/0x62f [] ? do_page_fault+0x1f8/0x20d [] ? page_fault+0x1f/0x30 Mem-Info: DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 CPU 1: hi: 0, btch: 1 usd: 0 DMA32 per-cpu: CPU 0: hi: 186, btch: 31 usd: 38 CPU 1: hi: 186, btch: 31 usd: 106 Active_anon:75040 active_file:0 inactive_anon:2031 inactive_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 free:1951 slab:41499 mapped:301 pagetables:60674 bounce:0 DMA free:3932kB min:60kB low:72kB high:88kB active_anon:2868kB inactive_anon:384kB active_file:0kB inactive_file:0kB unevictable:0kB present:15364kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 968 968 968 DMA32 free:3872kB min:3948kB low:4932kB high:5920kB active_anon:297292kB inactive_anon:7740kB active_file:0kB inactive_file:0kB unevictable:0kB present:992032kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 7*4kB 0*8kB 0*16kB 0*32kB 1*64kB 0*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 3932kB DMA32: 500*4kB 2*8kB 0*16kB 0*32kB 1*64kB 0*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 3872kB 1928 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 255744 pages RAM 5589 pages reserved 238251 pages shared 216210 pages non-shared Out of memory: kill process 25221 (msgctl11) score 130560 or a child Killed process 26379 (msgctl11) Is there any extra debugging I can put in to get more information out of the OOM? David -- 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/