Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751506Ab0HVGXA (ORCPT ); Sun, 22 Aug 2010 02:23:00 -0400 Received: from mo-65-41-216-221.sta.embarqhsd.net ([65.41.216.221]:37389 "EHLO greer.hardwarefreak.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751283Ab0HVGW6 (ORCPT ); Sun, 22 Aug 2010 02:22:58 -0400 X-Greylist: delayed 589 seconds by postgrey-1.27 at vger.kernel.org; Sun, 22 Aug 2010 02:22:58 EDT Message-ID: <4C70BFF3.8030507@hardwarefreak.com> Date: Sun, 22 Aug 2010 01:13:07 -0500 From: Stan Hoeppner User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.9.1.11) Gecko/20100711 Thunderbird/3.0.6 MIME-Version: 1.0 To: Linux Kernel List Subject: 2.6.34.1 page allocation failure Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4721 Lines: 110 I'm not subscribed to lkml so please CC me in replies. First post. Mobo: Abit BP6, dual Celeron 366@500, i440BX chipset, 384MB PC100 Disk: SiI 3512 PCI (sata_sil, libata), 1 x WD5000AAKS 500 GB SATAII Kernel: vanilla 2.6.34.1, 32 bit x86, SMP, Celeron pre Coppermine OS: Debian 5.0.5 (Stable) Build: kernel configured via make menuconfig no modules, no initrd built via "make KDEB_PKGVERSION=" installed via dpkg, bootloader is LILO Role: headless SOHO server, run level 2, _very_ light load Postfix, pdns-recursor, Dovecot, Lighttpd, Roundcube, Samba bulk of system memory (>300MB) is consumed by buffers/cache Issue: AFAIK, these errors never occurred with any revisions of 2.6.26, .31, or .32. After installing 2.6.34.1 I've noticed the following errors in dmesg. I see 6 of these, including two errors each for kswapd0, lighttpd, and smtpd, all not tainted. AFAICT everything is still running fine. Are these critical errors? If so, how do I fix? kswapd0: page allocation failure. order:1, mode:0x20 Pid: 139, comm: kswapd0 Not tainted 2.6.34.1 #1 Call Trace: [] ? __alloc_pages_nodemask+0x448/0x48a [] ? cache_alloc_refill+0x22f/0x422 [] ? tcp_v4_send_check+0x6e/0xa4 [] ? kmem_cache_alloc+0x41/0x6a [] ? sk_prot_alloc+0x19/0x55 [] ? sk_clone+0x16/0x1cc [] ? inet_csk_clone+0xf/0x80 [] ? tcp_create_openreq_child+0x1a/0x3c8 [] ? tcp_v4_syn_recv_sock+0x4b/0x151 [] ? tcp_check_req+0x209/0x335 [] ? tcp_v4_do_rcv+0x8d/0x14d [] ? tcp_v4_rcv+0x383/0x56d [] ? ip_local_deliver+0x76/0xc0 [] ? ip_rcv+0x3dc/0x3fa [] ? ktime_get_real+0xf/0x2b [] ? netif_receive_skb+0x219/0x234 [] ? e100_poll+0x1d0/0x47e [] ? net_rx_action+0x58/0xf8 [] ? __do_softirq+0x78/0xe5 [] ? do_softirq+0x23/0x27 [] ? do_IRQ+0x7d/0x8e [] ? common_interrupt+0x29/0x30 [] ? kmem_cache_free+0xbd/0xc5 [] ? __xfs_inode_set_reclaim_tag+0x29/0x2f [] ? destroy_inode+0x1c/0x2b [] ? dispose_list+0xaa/0xd0 [] ? shrink_icache_memory+0x198/0x1c5 [] ? shrink_slab+0xda/0x12f [] ? kswapd+0x468/0x63b [] ? isolate_pages_global+0x0/0x1bc [] ? autoremove_wake_function+0x0/0x2d [] ? complete+0x28/0x36 [] ? kswapd+0x0/0x63b [] ? kthread+0x61/0x66 [] ? kthread+0x0/0x66 [] ? kernel_thread_helper+0x6/0x10 Mem-Info: DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 CPU 1: hi: 0, btch: 1 usd: 0 Normal per-cpu: CPU 0: hi: 186, btch: 31 usd: 180 CPU 1: hi: 186, btch: 31 usd: 29 active_anon:646 inactive_anon:4337 isolated_anon:0 active_file:27189 inactive_file:35957 isolated_file:0 unevictable:0 dirty:56 writeback:0 unstable:0 free:1142 slab_reclaimable:25495 slab_unreclaimable:1020 mapped:3116 shmem:143 pagetables:123 bounce:0 DMA free:1568kB min:100kB low:124kB high:148kB active_anon:0kB inactive_anon:4kB active_file:5704kB inactive_file:7732kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15868kB mlocked:0kB dirty:0kB writeback:0kB mapped:28kB shmem:0kB slab_reclaimable:912kB slab_unreclaimable:52kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 365 365 Normal free:3000kB min:2392kB low:2988kB high:3588kB active_anon:2584kB inactive_anon:17344kB active_file:103052kB inactive_file:136096kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:373888kB mlocked:0kB dirty:224kB writeback:0kB mapped:12436kB shmem:572kB slab_reclaimable:101068kB slab_unreclaimable:4028kB kernel_stack:520kB pagetables:492kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA: 391*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1564kB Normal: 750*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3000kB 63342 total pagecache pages 23 pages in swap cache Swap cache stats: add 159, delete 136, find 401/412 Free swap = 995636kB Total swap = 995992kB 98303 pages RAM 1638 pages reserved 22416 pages shared 76947 pages non-shared Thanks. -- Stan -- 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/