From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Guntsche Subject: Page allocation error during mount with 2.6.39 Date: Fri, 20 May 2011 11:22:22 +0200 Message-ID: <20110520111728@it-loops.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: linux-ext4@vger.kernel.org Return-path: Received: from lvps87-230-0-242.dedicated.hosteurope.de ([87.230.0.242]:49990 "EHLO lvps87-230-0-242.dedicated.hosteurope.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935470Ab1ETJ3K (ORCPT ); Fri, 20 May 2011 05:29:10 -0400 Content-Disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: Hello list, After upgrading to 2.6.39 I reformatted one of my partitions to ext4 to do some testing. During a simple mount I got the following page allocation failure, the mount succeeded though. The problem is not really reproducible (I tried mounting several times afterwards) but I thought I might mention it nevertheless. Kind regards, Michael Guntsche mount: page allocation failure. order:5, mode:0xc0d0 Pid: 7813, comm: mount Not tainted 2.6.39 #1 Call Trace: [] ? printk+0x18/0x1a [] __alloc_pages_nodemask+0x419/0x5f7 [] __get_free_pages+0x17/0x28 [] __kmalloc+0xfe/0x10e [] ? ext4_count_free_inodes+0x41/0x53 [ext4] [] ext4_fill_super+0x1284/0x26eb [ext4] [] ? disk_name+0x51/0xa6 [] mount_bdev+0x142/0x177 [] ? ida_get_new_above+0x155/0x1e2 [] ? ida_get_new_above+0x198/0x1e2 [] ext4_mount+0x1a/0x20 [ext4] [] ? ext4_remount+0x416/0x416 [ext4] [] mount_fs+0x16/0xbb [] ? alloc_vfsmnt+0x68/0x107 [] vfs_kern_mount+0x46/0x7c [] do_kern_mount+0x34/0xb6 [] do_mount+0x424/0x689 [] ? strndup_user+0x2e/0x3f [] sys_mount+0x66/0x9b [] syscall_call+0x7/0xb Mem-Info: DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 Normal per-cpu: CPU 0: hi: 186, btch: 31 usd: 0 HighMem per-cpu: CPU 0: hi: 186, btch: 31 usd: 0 active_anon:35786 inactive_anon:12102 isolated_anon:0 active_file:111413 inactive_file:189649 isolated_file:0 unevictable:0 dirty:3 writeback:0 unstable:0 free:246973 slab_reclaimable:130660 slab_unreclaimable:5621 mapped:7296 shmem:955 pagetables:547 bounce:0 DMA free:3548kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:88kB inactive_file:224kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15804kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:7072kB slab_unreclaimable:120kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 865 3031 3031 Normal free:21224kB min:3728kB low:4660kB high:5592kB active_anon:4kB inactive_anon:3944kB active_file:61408kB inactive_file:60972kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:885944kB mlocked:0kB dirty:12kB writeback:0kB mapped:52kB shmem:4kB slab_reclaimable:515568kB slab_unreclaimable:22364kB kernel_stack:1264kB pagetables:2188kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 17333 17333 HighMem free:963120kB min:512kB low:2844kB high:5180kB active_anon:143140kB inactive_anon:44464kB active_file:384156kB inactive_file:697400kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:2218632kB mlocked:0kB dirty:0kB writeback:0kB mapped:29132kB shmem:3816kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 13*4kB 7*8kB 47*16kB 20*32kB 2*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 3548kB Normal: 4148*4kB 421*8kB 41*16kB 11*32kB 2*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 21224kB HighMem: 566*4kB 323*8kB 154*16kB 57*32kB 26*64kB 6*128kB 3*256kB 1*512kB 52*1024kB 80*2048kB 179*4096kB = 963120kB 302083 total pagecache pages 68 pages in swap cache Swap cache stats: add 70, delete 2, find 3/3 Free swap = 524012kB Total swap = 524284kB 786336 pages RAM 559026 pages HighMem 7375 pages reserved 214978 pages shared 354410 pages non-shared EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)