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Date: Tue, 20 Oct 2009 03:47:03 +0200 From: Karol Lewandowski <karol.k.lewandowski@...il.com> To: Karol Lewandowski <karol.k.lewandowski@...il.com> Cc: Mel Gorman <mel@....ul.ie>, Pekka Enberg <penberg@...helsinki.fi>, Tobi Oetiker <tobi@...iker.ch>, Frans Pop <elendil@...net.nl>, David Rientjes <rientjes@...gle.com>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, "Rafael J. Wysocki" <rjw@...k.pl>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Kernel Testers List <kernel-testers@...r.kernel.org>, Reinette Chatre <reinette.chatre@...el.com>, Bartlomiej Zolnierkiewicz <bzolnier@...il.com>, Mohamed Abbas <mohamed.abbas@...el.com>, "John W. Linville" <linville@...driver.com>, linux-mm@...ck.org, jens.axboe@...cle.com Subject: Re: [Bug #14141] order 2 page allocation failures (generic) On Mon, Oct 19, 2009 at 07:09:47PM +0200, Karol Lewandowski wrote: > On Mon, Oct 19, 2009 at 03:06:19PM +0100, Mel Gorman wrote: > > Can you test with my kswapd patch applied and commits 373c0a7e,8aa7e847 > > reverted please? > > It seems that your patch and Frans' reverts together *do* make > difference. > > With these patches I haven't been able to trigger failures so far > (in about 6 attempts). I'll continue testing and let you know if > anything changes. Damn it. I'm sorry to inform you that yes, I still get failures (less often, but still). Thanks. e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI e100: Copyright(c) 1999-2006 Intel Corporation e100 0000:00:03.0: PCI INT A -> Link[LNKC] -> GSI 9 (level, low) -> IRQ 9 e100 0000:00:03.0: PME# disabled e100: eth0: e100_probe: addr 0xe8120000, irq 9, MAC addr 00:10:a4:89:e8:84 ifconfig: page allocation failure. order:5, mode:0x8020 Pid: 5151, comm: ifconfig Not tainted 2.6.31+frans2+mel-00002-g90702f9-dirty #2 Call Trace: [<c015c4e1>] ? __alloc_pages_nodemask+0x423/0x468 [<c0104de7>] ? dma_generic_alloc_coherent+0x4a/0xab [<c0104d9d>] ? dma_generic_alloc_coherent+0x0/0xab [<d1614b6f>] ? e100_alloc_cbs+0xc7/0x174 [e100] [<d1615bfe>] ? e100_up+0x1b/0xf5 [e100] [<d1615cef>] ? e100_open+0x17/0x41 [e100] [<c02f871f>] ? dev_open+0x8f/0xc5 [<c02f7ed9>] ? dev_change_flags+0xa2/0x155 [<c032daa6>] ? devinet_ioctl+0x22a/0x51c [<c02ebabe>] ? sock_ioctl+0x0/0x1e4 [<c02ebc7e>] ? sock_ioctl+0x1c0/0x1e4 [<c02ebabe>] ? sock_ioctl+0x0/0x1e4 [<c017f23a>] ? vfs_ioctl+0x16/0x4a [<c017fb01>] ? do_vfs_ioctl+0x48a/0x4c1 [<c0168137>] ? handle_mm_fault+0x1e0/0x42c [<c0348c6b>] ? do_page_fault+0x2ce/0x2e4 [<c017fb64>] ? sys_ioctl+0x2c/0x42 [<c0102748>] ? sysenter_do_call+0x12/0x26 Mem-Info: DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 Normal per-cpu: CPU 0: hi: 90, btch: 15 usd: 35 Active_anon:14778 active_file:10836 inactive_anon:22033 inactive_file:11854 unevictable:0 dirty:6 writeback:0 unstable:0 free:1031 slab:2083 mapped:6193 pagetables:417 bounce:0 DMA free:1096kB min:124kB low:152kB high:184kB active_anon:528kB inactive_anon:3440kB active_file:1076kB inactive_file:5580kB unevictable:0kB present:15868kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 238 238 Normal free:3028kB min:1908kB low:2384kB high:2860kB active_anon:58584kB inactive_anon:84692kB active_file:42268kB inactive_file:41836kB unevictable:0kB present:243776kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA: 46*4kB 0*8kB 5*16kB 0*32kB 1*64kB 0*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 1096kB Normal: 135*4kB 213*8kB 21*16kB 4*32kB 5*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3028kB 25927 total pagecache pages 3010 pages in swap cache Swap cache stats: add 205613, delete 202603, find 63665/79800 Free swap = 485236kB Total swap = 514040kB 65520 pages RAM 1663 pages reserved 14633 pages shared 52919 pages non-shared ifconfig: page allocation failure. order:5, mode:0x8020 Pid: 5151, comm: ifconfig Not tainted 2.6.31+frans2+mel-00002-g90702f9-dirty #2 Call Trace: [<c015c4e1>] ? __alloc_pages_nodemask+0x423/0x468 [<c0104de7>] ? dma_generic_alloc_coherent+0x4a/0xab [<c0104d9d>] ? dma_generic_alloc_coherent+0x0/0xab [<d1614b6f>] ? e100_alloc_cbs+0xc7/0x174 [e100] [<d1615bfe>] ? e100_up+0x1b/0xf5 [e100] [<d1615cef>] ? e100_open+0x17/0x41 [e100] [<c02f871f>] ? dev_open+0x8f/0xc5 [<c02f7ed9>] ? dev_change_flags+0xa2/0x155 [<c032daa6>] ? devinet_ioctl+0x22a/0x51c [<c02ebabe>] ? sock_ioctl+0x0/0x1e4 [<c02ebc7e>] ? sock_ioctl+0x1c0/0x1e4 [<c02ebabe>] ? sock_ioctl+0x0/0x1e4 [<c017f23a>] ? vfs_ioctl+0x16/0x4a [<c017fb01>] ? do_vfs_ioctl+0x48a/0x4c1 [<c0175fd1>] ? vfs_write+0xf4/0x105 [<c017fb64>] ? sys_ioctl+0x2c/0x42 [<c0102748>] ? sysenter_do_call+0x12/0x26 Mem-Info: DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 Normal per-cpu: CPU 0: hi: 90, btch: 15 usd: 67 Active_anon:14760 active_file:10798 inactive_anon:22052 inactive_file:11862 unevictable:0 dirty:6 writeback:30 unstable:0 free:1031 slab:2083 mapped:6187 pagetables:417 bounce:0 DMA free:1096kB min:124kB low:152kB high:184kB active_anon:528kB inactive_anon:3440kB active_file:1076kB inactive_file:5580kB unevictable:0kB present:15868kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 238 238 Normal free:3028kB min:1908kB low:2384kB high:2860kB active_anon:58512kB inactive_anon:84768kB active_file:42116kB inactive_file:41868kB unevictable:0kB present:243776kB pages_scanned:100 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA: 46*4kB 0*8kB 5*16kB 0*32kB 1*64kB 0*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 1096kB Normal: 135*4kB 213*8kB 21*16kB 4*32kB 5*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3028kB 25924 total pagecache pages 3037 pages in swap cache Swap cache stats: add 205644, delete 202607, find 63666/79802 Free swap = 485116kB Total swap = 514040kB 65520 pages RAM 1663 pages reserved 14638 pages shared 52896 pages non-shared e100 0000:00:03.0: firmware: requesting e100/d101s_ucode.bin ADDRCONF(NETDEV_UP): eth0: link is not ready e100: eth0 NIC Link is Up 100 Mbps Full Duplex ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready eth0: no IPv6 routers present -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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