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Message-Id: <201001212017.00160.toralf.foerster@gmx.de> Date: Thu, 21 Jan 2010 20:16:59 +0100 From: Toralf Förster <toralf.foerster@....de> To: linux-kernel@...r.kernel.org Subject: kernel error : 'find /proc/ -type f | xargs -n 1 head -c 10 >/dev/null' I was inspired by http://article.gmane.org/gmane.linux.kernel/941115 . Running the command (se subject) as a normal user at a 2.6.32.4 kernel gives this in /var/log/messages: 2010-01-21T20:11:39.171+01:00 n22 kernel: head: page allocation failure. order:9, mode:0xd0 2010-01-21T20:11:39.171+01:00 n22 kernel: Pid: 2324, comm: head Not tainted 2.6.32.4 #1 2010-01-21T20:11:39.171+01:00 n22 kernel: Call Trace: 2010-01-21T20:11:39.171+01:00 n22 kernel: [<c106e2cc>] ? __alloc_pages_nodemask+0x4bc/0x5a0 2010-01-21T20:11:39.171+01:00 n22 kernel: [<c108cf5a>] ? cache_alloc_refill+0x2ba/0x510 2010-01-21T20:11:39.171+01:00 n22 kernel: [<c108d299>] ? __kmalloc+0xe9/0xf0 2010-01-21T20:11:39.171+01:00 n22 kernel: [<c10aa755>] ? seq_read+0x195/0x370 2010-01-21T20:11:39.171+01:00 n22 kernel: [<c10aa5c0>] ? seq_read+0x0/0x370 2010-01-21T20:11:39.171+01:00 n22 kernel: [<c10cbb6f>] ? proc_reg_read+0x5f/0x90 2010-01-21T20:11:39.171+01:00 n22 kernel: [<c10cbb10>] ? proc_reg_read+0x0/0x90 2010-01-21T20:11:39.171+01:00 n22 kernel: [<c10927c5>] ? vfs_read+0xa5/0x190 2010-01-21T20:11:39.171+01:00 n22 kernel: [<c1092981>] ? sys_read+0x41/0x80 2010-01-21T20:11:39.171+01:00 n22 kernel: [<c100300f>] ? sysenter_do_call+0x12/0x26 2010-01-21T20:11:39.171+01:00 n22 kernel: Mem-Info: 2010-01-21T20:11:39.171+01:00 n22 kernel: DMA per-cpu: 2010-01-21T20:11:39.172+01:00 n22 kernel: CPU 0: hi: 0, btch: 1 usd: 0 2010-01-21T20:11:39.172+01:00 n22 kernel: CPU 1: hi: 0, btch: 1 usd: 0 2010-01-21T20:11:39.172+01:00 n22 kernel: Normal per-cpu: 2010-01-21T20:11:39.172+01:00 n22 kernel: CPU 0: hi: 186, btch: 31 usd: 0 2010-01-21T20:11:39.172+01:00 n22 kernel: CPU 1: hi: 186, btch: 31 usd: 0 2010-01-21T20:11:39.172+01:00 n22 kernel: HighMem per-cpu: 2010-01-21T20:11:39.172+01:00 n22 kernel: CPU 0: hi: 186, btch: 31 usd: 0 2010-01-21T20:11:39.172+01:00 n22 kernel: CPU 1: hi: 186, btch: 31 usd: 0 2010-01-21T20:11:39.172+01:00 n22 kernel: active_anon:77374 inactive_anon:26716 isolated_anon:0 2010-01-21T20:11:39.172+01:00 n22 kernel: active_file:154367 inactive_file:77664 isolated_file:0 2010-01-21T20:11:39.172+01:00 n22 kernel: unevictable:0 dirty:74 writeback:432 unstable:0 2010-01-21T20:11:39.172+01:00 n22 kernel: free:107209 slab_reclaimable:41314 slab_unreclaimable:3995 2010-01-21T20:11:39.172+01:00 n22 kernel: mapped:23759 shmem:19312 pagetables:882 bounce:0 2010-01-21T20:11:39.172+01:00 n22 kernel: DMA free:12296kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:772kB inactive_file:372kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15864kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:2520kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no 2010-01-21T20:11:39.172+01:00 n22 kernel: lowmem_reserve[]: 0 865 1911 1911 2010-01-21T20:11:39.172+01:00 n22 kernel: Normal free:282076kB min:3728kB low:4660kB high:5592kB active_anon:8kB inactive_anon:3320kB active_file:279600kB inactive_file:121612kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:885944kB mlocked:0kB dirty:140kB writeback:0kB mapped:276kB shmem:16kB slab_reclaimable:162736kB slab_unreclaimable:15980kB kernel_stack:900kB pagetables:3528kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no 2010-01-21T20:11:39.172+01:00 n22 kernel: lowmem_reserve[]: 0 0 8369 8369 2010-01-21T20:11:39.172+01:00 n22 kernel: HighMem free:134464kB min:512kB low:1636kB high:2764kB active_anon:309488kB inactive_anon:103544kB active_file:337096kB inactive_file:188672kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:1071256kB mlocked:0kB dirty:156kB writeback:1728kB mapped:94760kB shmem:77232kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no 2010-01-21T20:11:39.172+01:00 n22 kernel: lowmem_reserve[]: 0 0 0 0 2010-01-21T20:11:39.172+01:00 n22 kernel: DMA: 288*4kB 121*8kB 80*16kB 62*32kB 48*64kB 22*128kB 4*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12296kB 2010-01-21T20:11:39.172+01:00 n22 kernel: Normal: 19101*4kB 8755*8kB 3545*16kB 1846*32kB 186*64kB 34*128kB 2*256kB 2*512kB 0*1024kB 1*2048kB 0*4096kB = 282076kB 2010-01-21T20:11:39.172+01:00 n22 kernel: HighMem: 304*4kB 260*8kB 1594*16kB 1644*32kB 571*64kB 89*128kB 18*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 134464kB 2010-01-21T20:11:39.172+01:00 n22 kernel: 251864 total pagecache pages 2010-01-21T20:11:39.172+01:00 n22 kernel: 505 pages in swap cache 2010-01-21T20:11:39.172+01:00 n22 kernel: Swap cache stats: add 587, delete 82, find 189/195 2010-01-21T20:11:39.172+01:00 n22 kernel: Free swap = 2001148kB 2010-01-21T20:11:39.172+01:00 n22 kernel: Total swap = 2003360kB 2010-01-21T20:11:39.172+01:00 n22 kernel: 498176 pages RAM 2010-01-21T20:11:39.172+01:00 n22 kernel: 270850 pages HighMem 2010-01-21T20:11:39.172+01:00 n22 kernel: 5979 pages reserved 2010-01-21T20:11:39.172+01:00 n22 kernel: 251238 pages shared 2010-01-21T20:11:39.172+01:00 n22 kernel: 209073 pages non-shared 2010-01-21T20:11:39.480+01:00 n22 kernel: ACPI: Please implement acpi_video_bus_ROM_seq_show -- MfG/Sincerely Toralf Förster -- 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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