Out of memory: Kill process 2443 (emrc_main) score 893 or sacrifice child

MysticBoy

求助， 这是什么问题啊？？？

Jun 26 19:15:42 MC810C kernel: usb 2-1.1: USB disconnect, device number 3
Jun 26 19:15:43 MC810C kernel: usb 2-1.1: new low speed USB device number 5 using fsl-ehci
Jun 26 19:15:43 MC810C kernel: input: HID 04d9:1203 as /devices/platform/fsl-ehci.1/usb2/2-1/2-1.1/2-1.1:1.0/input/input2
Jun 26 19:15:43 MC810C kernel: generic-usb 0003:04D9:1203.0003: input,hidraw0: USB HID v1.11 Keyboard [HID 04d9:1203] on usb-fsl-ehci.1-1.1/input0
Jun 26 19:15:43 MC810C kernel: input: HID 04d9:1203 as /devices/platform/fsl-ehci.1/usb2/2-1/2-1.1/2-1.1:1.1/input/input3
Jun 26 19:15:43 MC810C kernel: generic-usb 0003:04D9:1203.0004: input,hidraw1: USB HID v1.11 Device [HID 04d9:1203] on usb-fsl-ehci.1-1.1/input1
Jun 27 19:15:52 MC810C kernel: Uploader invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
Jun 27 19:15:52 MC810C kernel: [<8004d100>] (unwind_backtrace+0x0/0xf from [<800c2148>] (dump_header.isra.7+0x6c/0x184)
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553803 host->next_data.cookie 553804
Jun 27 19:15:52 MC810C kernel: [<800c2148>] (dump_header.isra.7+0x6c/0x184) from [<800c291c>] (out_of_memory+0x288/0x350)
Jun 27 19:15:52 MC810C kernel: [<800c291c>] (out_of_memory+0x288/0x350) from [<800c5d98>] (__alloc_pages_nodemask+0x6a8/0x6cc)
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553804 host->next_data.cookie 553805
Jun 27 19:15:52 MC810C kernel: [<800c5d98>] (__alloc_pages_nodemask+0x6a8/0x6cc) from [<800c15fc>] (filemap_fault+0x198/0x434)
Jun 27 19:15:52 MC810C kernel: [<800c15fc>] (filemap_fault+0x198/0x434) from [<800d7598>] (__do_fault+0x50/0x404)
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553805 host->next_data.cookie 553806
Jun 27 19:15:52 MC810C kernel: [<800d7598>] (__do_fault+0x50/0x404) from [<800da070>] (handle_pte_fault+0xbc/0x7d
Jun 27 19:15:52 MC810C kernel: [<800da070>] (handle_pte_fault+0xbc/0x7d from [<800da858>] (handle_mm_fault+0xcc/0x16c)
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553806 host->next_data.cookie 553807
Jun 27 19:15:52 MC810C kernel: [<800da858>] (handle_mm_fault+0xcc/0x16c) from [<80050bcc>] (do_page_fault+0x1b4/0x31c)
Jun 27 19:15:52 MC810C kernel: [<80050bcc>] (do_page_fault+0x1b4/0x31c) from [<8003a420>] (do_PrefetchAbort+0x34/0x9c)
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553807 host->next_data.cookie 553808
Jun 27 19:15:52 MC810C kernel: [<8003a420>] (do_PrefetchAbort+0x34/0x9c) from [<80045284>] (ret_from_exception+0x0/0x10)
Jun 27 19:15:52 MC810C kernel: Exception stack(0xbaa97fb0 to 0xbaa97ff
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553808 host->next_data.cookie 553809
Jun 27 19:15:52 MC810C kernel: 7fa0:                                     0005d008 00000000 00000000 00000000
Jun 27 19:15:52 MC810C kernel: 7fc0: 00000000 00000000 00008e24 00000000 00000000 00000000 2ab4d000 7ebfecbc
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553809 host->next_data.cookie 553810
Jun 27 19:15:52 MC810C kernel: 7fe0: 00008029 7ebfea98 0000be4c 0000be4c 20000010 ffffffff
Jun 27 19:15:52 MC810C kernel: Mem-info:
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553810 host->next_data.cookie 553811
Jun 27 19:15:52 MC810C kernel: DMA per-cpu:
Jun 27 19:15:52 MC810C kernel: CPU    0: hi:   90, btch:  15 usd:   0
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553811 host->next_data.cookie 553812
Jun 27 19:15:52 MC810C kernel: CPU    1: hi:   90, btch:  15 usd:   0
Jun 27 19:15:52 MC810C kernel: CPU    2: hi:   90, btch:  15 usd:   0
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553812 host->next_data.cookie 553813
Jun 27 19:15:52 MC810C kernel: CPU    3: hi:   90, btch:  15 usd:   0
Jun 27 19:15:52 MC810C kernel: Normal per-cpu:
Jun 27 19:15:52 MC810C kernel: CPU    0: hi:  186, btch:  31 usd:   0
Jun 27 19:15:52 MC810C kernel: CPU    1: hi:  186, btch:  31 usd:   0
Jun 27 19:15:52 MC810C kernel: CPU    2: hi:  186, btch:  31 usd:   0
Jun 27 19:15:52 MC810C kernel: CPU    3: hi:  186, btch:  31 usd:   0
Jun 27 19:15:52 MC810C kernel: active_anon:209242 inactive_anon:35 isolated_anon:0
Jun 27 19:15:52 MC810C kernel: active_file:38 inactive_file:91 isolated_file:0
Jun 27 19:15:52 MC810C kernel: unevictable:0 dirty:0 writeback:0 unstable:0
Jun 27 19:15:52 MC810C kernel: free:1657 slab_reclaimable:522 slab_unreclaimable:2536
Jun 27 19:15:52 MC810C kernel: mapped:54 shmem:39 pagetables:618 bounce:0
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553815 host->next_data.cookie 553816
Jun 27 19:15:52 MC810C kernel: DMA free:3600kB min:780kB low:972kB high:1168kB active_anon:145256kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:186944kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:92kB kernel_stack:0kB pagetables:280kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Jun 27 19:15:52 MC810C kernel: lowmem_reserve[]: 0 705 705 705
Jun 27 19:15:52 MC810C kernel: Normal free:3028kB min:3028kB low:3784kB high:4540kB active_anon:691712kB inactive_anon:140kB active_file:152kB inactive_file:364kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:722368kB mlocked:0kB dirty:0kB writeback:0kB mapped:216kB shmem:156kB slab_reclaimable:2088kB slab_unreclaimable:10052kB kernel_stack:912kB pagetables:2192kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:23297 all_unreclaimable? yes
Jun 27 19:15:52 MC810C kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 553817 host->next_data.cookie 553818
Jun 27 19:15:52 MC810C kernel: lowmem_reserve[]: 0 0 0 0
Jun 27 19:15:52 MC810C kernel: DMA: 62*4kB 21*8kB 3*16kB 2*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB 0*8192kB 0*16384kB 0*32768kB = 3600kB
Jun 27 19:15:52 MC810C kernel: Normal: 97*4kB 12*8kB 8*16kB 10*32kB 6*64kB 6*128kB 2*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB 0*8192kB 0*16384kB 0*32768kB = 3108kB
Jun 27 19:15:52 MC810C kernel: 248 total pagecache pages
Jun 27 19:15:52 MC810C kernel: 0 pages in swap cache
Jun 27 19:15:52 MC810C kernel: Swap cache stats: add 0, delete 0, find 0/0
Jun 27 19:15:52 MC810C kernel: Free swap  = 0kB
Jun 27 19:15:52 MC810C kernel: Total swap = 0kB
Jun 27 19:15:52 MC810C kernel: 262144 pages of RAM
Jun 27 19:15:52 MC810C kernel: 1866 free pages
Jun 27 19:15:52 MC810C kernel: 37992 reserved pages
Jun 27 19:15:52 MC810C kernel: 1422 slab pages
Jun 27 19:15:52 MC810C kernel: 343 pages shared
Jun 27 19:15:52 MC810C kernel: 0 pages swap cached
Jun 27 19:15:52 MC810C kernel: [ pid ]   uid  tgid total_vm      rss cpu oom_adj oom_score_adj name
Jun 27 19:15:52 MC810C kernel: [ 1547]     0  1547      902      112   2     -17         -1000 udevd
Jun 27 19:15:52 MC810C kernel: [ 1707]     0  1707      901      111   3     -17         -1000 udevd
Jun 27 19:15:52 MC810C kernel: [ 1708]     0  1708      901      109   3     -17         -1000 udevd
Jun 27 19:15:52 MC810C kernel: [ 2241]     0  2241     7738       91   2       0             0 rsyslogd
Jun 27 19:15:52 MC810C kernel: [ 2312]     0  2312     1063       63   3       0             0 vsftpd
Jun 27 19:15:52 MC810C kernel: [ 2326]     0  2326     1248       48   0       0             0 cron
Jun 27 19:15:52 MC810C kernel: [ 2350]     0  2350     1868      108   1     -17         -1000 sshd
Jun 27 19:15:52 MC810C kernel: [ 2409]     0  2409      572        8   1       0             0 watch
Jun 27 19:15:52 MC810C kernel: [ 2410]     0  2410      572        8   1       0             0 watch
Jun 27 19:15:52 MC810C kernel: [ 2411]     0  2411      572        8   1       0             0 watch
Jun 27 19:15:52 MC810C kernel: [ 2412]     0  2412      572        8   0       0             0 watch
Jun 27 19:15:52 MC810C kernel: [ 2415]     0  2415      398       11   1       0             0 startpar
Jun 27 19:15:52 MC810C kernel: [ 2416]     0  2416      528       39   0       0             0 getty
Jun 27 19:15:52 MC810C kernel: [ 2417]     0  2417      453       17   0       0             0 sh
Jun 27 19:15:52 MC810C kernel: [ 2419]     0  2419      453       17   3       0             0 sh
Jun 27 19:15:52 MC810C kernel: [ 2420]     0  2420      676       16   1       0             0 sh
Jun 27 19:15:52 MC810C kernel: [ 2423]     0  2423     1787       96   0       0             0 Uploader
Jun 27 19:15:52 MC810C kernel: [ 2422]     0  2422     8722       35   1       0             0 ACM
Jun 27 19:15:52 MC810C kernel: [ 2424]     0  2424     3030     1342   1       0             0 vncserver
Jun 27 19:15:52 MC810C kernel: [ 2435]     0  2435   248868   206440   1       0             0 emrc_main
Jun 27 19:15:52 MC810C kernel: [ 2462]     0  2462      572        8   1       0             0 watch
Jun 27 19:15:52 MC810C kernel: [ 2478]     0  2478      453       17   0       0             0 sh
Jun 27 19:15:52 MC810C kernel: [ 2479]     0  2479    12966      590   0       0             0 VPR
Jun 27 19:15:52 MC810C kernel: [14828]     0 14828       97        1   1       0             0 sh
Jun 27 19:15:52 MC810C kernel: Out of memory: Kill process 2435 (emrc_main) score 893 or sacrifice child
Jun 27 19:15:52 MC810C kernel: Killed process 2435 (emrc_main) total-vm:995472kB, anon-rss:825760kB, file-rss:0kB
Jun 27 19:15:52 MC810C kernel: ACM invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
Jun 27 19:15:52 MC810C kernel: [<8004d100>] (unwind_backtrace+0x0/0xf from [<800c2148>] (dump_header.isra.7+0x6c/0x184)
Jun 27 19:15:52 MC810C kernel: [<800c2148>] (dump_header.isra.7+0x6c/0x184) from [<800c291c>] (out_of_memory+0x288/0x350)
Jun 27 19:15:52 MC810C kernel: [<800c291c>] (out_of_memory+0x288/0x350) from [<800c5d98>] (__alloc_pages_nodemask+0x6a8/0x6cc)
Jun 27 19:15:52 MC810C kernel: [<800c5d98>] (__alloc_pages_nodemask+0x6a8/0x6cc) from [<800c15fc>] (filemap_fault+0x198/0x434)
Jun 27 19:15:52 MC810C kernel: [<800c15fc>] (filemap_fault+0x198/0x434) from [<800d7598>] (__do_fault+0x50/0x404)
Jun 27 19:15:52 MC810C kernel: [<800d7598>] (__do_fault+0x50/0x404) from [<800da070>] (handle_pte_fault+0xbc/0x7d
Jun 27 19:15:52 MC810C kernel: [<800da070>] (handle_pte_fault+0xbc/0x7d from [<800da858>] (handle_mm_fault+0xcc/0x16c)
Jun 27 19:15:52 MC810C kernel: [<800da858>] (handle_mm_fault+0xcc/0x16c) from [<80050bcc>] (do_page_fault+0x1b4/0x31c)
Jun 27 19:15:52 MC810C kernel: [<80050bcc>] (do_page_fault+0x1b4/0x31c) from [<8003a420>] (do_PrefetchAbort+0x34/0x9c)
Jun 27 19:15:52 MC810C kernel: [<8003a420>] (do_PrefetchAbort+0x34/0x9c) from [<80045284>] (ret_from_exception+0x0/0x10)
Jun 27 19:15:52 MC810C kernel: Exception stack(0xba231fb0 to 0xba231ff
Jun 27 19:15:52 MC810C kernel: 1fa0:                                     000000cf 2bd3fda9 ffffffff 000000cf
Jun 27 19:15:52 MC810C kernel: 1fc0: ffffffff ffffffff 00000000 00000152 7ed0dbf8 2bd3ffa0 7ed0dbf8 2bd3fdec
Jun 27 19:15:52 MC810C kernel: 1fe0: 2ac00204 2bd3fc38 2abf3b2c 2abf3b2c 60000010 ffffffff
Jun 27 19:15:52 MC810C kernel: Mem-info:
Jun 27 19:15:52 MC810C kernel: DMA per-cpu:
Jun 27 19:15:52 MC810C kernel: CPU    0: hi:   90, btch:  15 usd:   0
Jun 27 19:15:52 MC810C kernel: CPU    1: hi:   90, btch:  15 usd:   0
Jun 27 19:15:52 MC810C kernel: CPU    2: hi:   90, btch:  15 usd:   0
Jun 27 19:15:52 MC810C kernel: CPU    3: hi:   90, btch:  15 usd:   0
Jun 27 19:15:52 MC810C kernel: Normal per-cpu:
Jun 27 19:15:52 MC810C kernel: CPU    0: hi:  186, btch:  31 usd:   0
Jun 27 19:15:52 MC810C kernel: CPU    1: hi:  186, btch:  31 usd:  29
Jun 27 19:15:52 MC810C kernel: CPU    2: hi:  186, btch:  31 usd:  30
Jun 27 19:15:52 MC810C kernel: CPU    3: hi:  186, btch:  31 usd:   0
Jun 27 19:15:52 MC810C kernel: active_anon:209242 inactive_anon:35 isolated_anon:0
Jun 27 19:15:52 MC810C kernel: active_file:38 inactive_file:91 isolated_file:0
Jun 27 19:15:52 MC810C kernel: unevictable:0 dirty:0 writeback:0 unstable:0
Jun 27 19:15:52 MC810C kernel: free:1595 slab_reclaimable:522 slab_unreclaimable:2536
Jun 27 19:15:52 MC810C kernel: mapped:54 shmem:39 pagetables:618 bounce:0
Jun 27 19:15:52 MC810C kernel: DMA free:3600kB min:780kB low:972kB high:1168kB active_anon:145256kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:186944kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:92kB kernel_stack:0kB pagetables:280kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Jun 27 19:15:52 MC810C kernel: lowmem_reserve[]: 0 705 705 705
Jun 27 19:15:52 MC810C kernel: Normal free:2780kB min:3028kB low:3784kB high:4540kB active_anon:691712kB inactive_anon:140kB active_file:152kB inactive_file:364kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:722368kB mlocked:0kB dirty:0kB writeback:0kB mapped:216kB shmem:156kB slab_reclaimable:2088kB slab_unreclaimable:10052kB kernel_stack:912kB pagetables:2192kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:23297 all_unreclaimable? yes
Jun 27 19:15:52 MC810C kernel: lowmem_reserve[]: 0 0 0 0
Jun 27 19:15:52 MC810C kernel: DMA: 62*4kB 21*8kB 3*16kB 2*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB 0*8192kB 0*16384kB 0*32768kB = 3600kB
Jun 27 19:15:52 MC810C kernel: Normal: 77*4kB 9*8kB 5*16kB 7*32kB 6*64kB 6*128kB 2*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB 0*8192kB 0*16384kB 0*32768kB = 2860kB
Jun 27 19:15:52 MC810C kernel: 248 total pagecache pages
Jun 27 19:15:52 MC810C kernel: 0 pages in swap cache
Jun 27 19:15:52 MC810C kernel: Swap cache stats: add 0, delete 0, find 0/0
Jun 27 19:15:52 MC810C kernel: Free swap  = 0kB
Jun 27 19:15:52 MC810C kernel: Total swap = 0kB
Jun 27 19:15:52 MC810C kernel: 262144 pages of RAM
Jun 27 19:15:52 MC810C kernel: 1863 free pages
Jun 27 19:15:52 MC810C kernel: 37992 reserved pages
Jun 27 19:15:52 MC810C kernel: 1422 slab pages
Jun 27 19:15:52 MC810C kernel: 348 pages shared
Jun 27 19:15:52 MC810C kernel: 0 pages swap cached
Jun 27 19:15:52 MC810C kernel: [ pid ]   uid  tgid total_vm      rss cpu oom_adj oom_score_adj name
Jun 27 19:15:52 MC810C kernel: [ 1547]     0  1547      902      112   2     -17         -1000 udevd
Jun 27 19:15:52 MC810C kernel: [ 1707]     0  1707      901      111   3     -17         -1000 udevd
Jun 27 19:15:52 MC810C kernel: [ 1708]     0  1708      901      109   3     -17         -1000 udevd
Jun 27 19:15:52 MC810C kernel: [ 2241]     0  2241     7738       91   2       0             0 rsyslogd
Jun 27 19:15:52 MC810C kernel: [ 2312]     0  2312     1063       63   3       0             0 vsftpd
Jun 27 19:15:52 MC810C kernel: [ 2326]     0  2326     1248       48   0       0             0 cron
Jun 27 19:15:52 MC810C kernel: [ 2350]     0  2350     1868      108   1     -17         -1000 sshd
Jun 27 19:15:52 MC810C kernel: [ 2409]     0  2409      572        8   1       0             0 watch
Jun 27 19:15:52 MC810C kernel: [ 2410]     0  2410      572        8   1       0             0 watch
Jun 27 19:15:52 MC810C kernel: [ 2411]     0  2411      572        8   1       0             0 watch
Jun 27 19:15:52 MC810C kernel: [ 2412]     0  2412      572        8   0       0             0 watch
Jun 27 19:15:52 MC810C kernel: [ 2415]     0  2415      398       11   1       0             0 startpar
Jun 27 19:15:52 MC810C kernel: [ 2416]     0  2416      528       39   0       0             0 getty
Jun 27 19:15:52 MC810C kernel: [ 2417]     0  2417      453       17   0       0             0 sh
Jun 27 19:15:52 MC810C kernel: [ 2419]     0  2419      453       17   3       0             0 sh
Jun 27 19:15:52 MC810C kernel: [ 2420]     0  2420      676       16   1       0             0 sh
Jun 27 19:15:52 MC810C kernel: [ 2423]     0  2423     1787       96   0       0             0 Uploader
Jun 27 19:15:52 MC810C kernel: [ 2422]     0  2422     8722       35   1       0             0 ACM
Jun 27 19:15:52 MC810C kernel: [ 2424]     0  2424     3030     1342   1       0             0 vncserver
Jun 27 19:15:52 MC810C kernel: [ 2443]     0  2435   248868   206449   2       0             0 emrc_main
Jun 27 19:15:52 MC810C kernel: [ 2462]     0  2462      572        8   1       0             0 watch
Jun 27 19:15:52 MC810C kernel: [ 2478]     0  2478      453       17   0       0             0 sh
Jun 27 19:15:52 MC810C kernel: [ 2479]     0  2479    12966      590   0       0             0 VPR
Jun 27 19:15:52 MC810C kernel: [14828]     0 14828       97        1   1       0             0 sh
Jun 27 19:15:52 MC810C kernel: Out of memory: Kill process 2443 (emrc_main) score 893 or sacrifice child
Jun 27 19:15:52 MC810C kernel: Killed process 2443 (emrc_main) total-vm:995472kB, anon-rss:825796kB, file-rss:0kB

MysticBoy

程序老是被kill 掉

cjfeii

进程oom了。

cjfeii

Out of memory，检查一下这个进程是否有内存泄露，或者确认一下该进程有没有内存暴增的操作。

cjfeii

用 valgrind 检测一下内存泄露。

cjfeii

这个不是硬件问题