我正在运行一个相当内存密集的Python脚本，但似乎我的机器正在尽早杀死这个进程。我安装了16GB（并通过lshw -class memory确认），但是当我的进程达到4GB左右时，我的进程似乎被杀死了。我不确定如何阅读oom-killer的输出以确切了解内存耗尽的原因以及原因。
dmesg输出为：
[252291.326393] Xorg invoked oom-killer: gfp_mask=0x24040c0, order=3, oom_score_adj=0
[252291.326396] Xorg cpuset=/ mems_allowed=0
[252291.326400] CPU: 4 PID: 17915 Comm: Xorg Tainted: P OE 4.4.0-59-generic #80-Ubuntu
[252291.326401] Hardware name: Dell Inc. Precision T3600/08HPGT, BIOS A07 11/08/2012
[252291.326403] 0000000000000286 0000000046b873b6 ffff880229dd38e8 ffffffff813f7583
[252291.326404] ffff880229dd3ac0 ffff88000cd58e00 ffff880229dd3958 ffffffff8120ad5e
[252291.326406] 0000000000000015 0000000000000000 ffff8804347b8540 ffff88043c545400
[252291.326408] Call Trace:
[252291.326413] [<ffffffff813f7583>] dump_stack+0x63/0x90
[252291.326416] [<ffffffff8120ad5e>] dump_header+0x5a/0x1c5
[252291.326418] [<ffffffff81390584>] ? apparmor_capable+0xc4/0x1b0
[252291.326421] [<ffffffff81192722>] oom_kill_process+0x202/0x3c0
[252291.326422] [<ffffffff81192b49>] out_of_memory+0x219/0x460
[252291.326424] [<ffffffff81198abd>] __alloc_pages_slowpath.constprop.88+0x8fd/0xa70
[252291.326426] [<ffffffff81198eb6>] __alloc_pages_nodemask+0x286/0x2a0
[252291.326429] [<ffffffff811e271c>] alloc_pages_current+0x8c/0x110
[252291.326431] [<ffffffff81196b49>] alloc_kmem_pages+0x19/0x90
[252291.326433] [<ffffffff811b449e>] kmalloc_order_trace+0x2e/0xe0
[252291.326435] [<ffffffff811ee49e>] __kmalloc+0x22e/0x250
[252291.326448] [<ffffffffc193a3b7>] nvkms_alloc+0x27/0x60 [nvidia_modeset]
[252291.326454] [<ffffffffc193b700>] ? _nv000313kms+0x40/0x40 [nvidia_modeset]
[252291.326463] [<ffffffffc1974cda>] _nv001920kms+0x1a/0x30 [nvidia_modeset]
[252291.326471] [<ffffffffc19610d2>] ? _nv001869kms+0x32/0xcf0 [nvidia_modeset]
[252291.326472] [<ffffffff81196b49>] ? alloc_kmem_pages+0x19/0x90
[252291.326474] [<ffffffff811b449e>] ? kmalloc_order_trace+0x2e/0xe0
[252291.326475] [<ffffffff811ee49e>] ? __kmalloc+0x22e/0x250
[252291.326481] [<ffffffffc193b700>] ? _nv000313kms+0x40/0x40 [nvidia_modeset]
[252291.326487] [<ffffffffc193b72e>] ? _nv000167kms+0x2e/0x40 [nvidia_modeset]
[252291.326493] [<ffffffffc193c111>] ? nvKmsIoctl+0x161/0x1e0 [nvidia_modeset]
[252291.326499] [<ffffffffc193adb5>] ? nvkms_ioctl_common+0x45/0x80 [nvidia_modeset]
[252291.326505] [<ffffffffc193ae61>] ? nvkms_ioctl+0x71/0xa0 [nvidia_modeset]
[252291.326597] [<ffffffffc0050080>] ? nvidia_frontend_compat_ioctl+0x40/0x50 [nvidia]
[252291.326657] [<ffffffffc005009e>] ? nvidia_frontend_unlocked_ioctl+0xe/0x10 [nvidia]
[252291.326659] [<ffffffff8122272f>] ? do_vfs_ioctl+0x29f/0x490
[252291.326661] [<ffffffff8108e5c1>] ? __set_task_blocked+0x41/0xa0
[252291.326663] [<ffffffff81090f56>] ? __set_current_blocked+0x36/0x60
[252291.326664] [<ffffffff81222999>] ? SyS_ioctl+0x79/0x90
[252291.326666] [<ffffffff8109120e>] ? SyS_rt_sigprocmask+0x8e/0xc0
[252291.326668] [<ffffffff818384f2>] ? entry_SYSCALL_64_fastpath+0x16/0x71
[252291.326669] Mem-Info:
[252291.326673] active_anon:976710 inactive_anon:321641 isolated_anon:0
active_file:429942 inactive_file:2132562 isolated_file:0
unevictable:8 dirty:112 writeback:0 unstable:0
slab_reclaimable:115928 slab_unreclaimable:19811
mapped:96472 shmem:14643 pagetables:11631 bounce:0
free:44761 free_pcp:188 free_cma:0
[252291.326675] Node 0 DMA free:15868kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15968kB managed:15884kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
[252291.326679] lowmem_reserve[]: 0 2601 15909 15909 15909
[252291.326681] Node 0 DMA32 free:73192kB min:11040kB low:13800kB high:16560kB active_anon:439156kB inactive_anon:369572kB active_file:322044kB inactive_file:1378888kB unevictable:32kB isolated(anon):0kB isolated(file):0kB present:2791568kB managed:2710948kB mlocked:32kB dirty:60kB writeback:0kB mapped:67168kB shmem:11964kB slab_reclaimable:88956kB slab_unreclaimable:12792kB kernel_stack:2000kB pagetables:7696kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[252291.326685] lowmem_reserve[]: 0 0 13307 13307 13307
[252291.326687] Node 0 Normal free:89984kB min:56472kB low:70588kB high:84708kB active_anon:3467684kB inactive_anon:916992kB active_file:1397724kB inactive_file:7151360kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:13893632kB managed:13626496kB mlocked:0kB dirty:388kB writeback:0kB mapped:318720kB shmem:46608kB slab_reclaimable:374756kB slab_unreclaimable:66436kB kernel_stack:10272kB pagetables:38828kB unstable:0kB bounce:0kB free_pcp:752kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[252291.326690] lowmem_reserve[]: 0 0 0 0 0
[252291.326703] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15868kB
[252291.326711] Node 0 DMA32: 392*4kB (UME) 9040*8kB (UM) 40*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 74528kB
[252291.326716] Node 0 Normal: 2254*4kB (UME) 651*8kB (UME) 4807*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 91136kB
[252291.326722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[252291.326723] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[252291.326724] 2578955 total pagecache pages
[252291.326725] 1919 pages in swap cache
[252291.326726] Swap cache stats: add 621173, delete 619254, find 76600/102438
[252291.326726] Free swap = 16626272kB
[252291.326727] Total swap = 16699388kB
[252291.326728] 4175292 pages RAM
[252291.326728] 0 pages HighMem/MovableOnly
[252291.326729] 86960 pages reserved
[252291.326730] 0 pages cma reserved
[252291.326730] 0 pages hwpoisoned
[252291.326731] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name
[252291.326735] [ 826] 0 826 11000 2173 24 4 543 0 systemd-journal
[252291.326737] [ 868] 0 868 10005 335 21 3 560 -1000 systemd-udevd
[252291.326739] [ 1594] 0 1594 45512 40563 94 3 1001 0 mount.ntfs
[252291.326740] [ 1627] 0 1627 5742 192 16 3 41 0 cron
[252291.326742] [ 1631] 106 1631 11015 752 26 4 63 -900 dbus-daemon
[252291.326744] [ 1637] 113 1637 90988 270 78 3 838 0 whoopsie
[252291.326745] [ 1643] 0 1643 84378 268 66 3 389 0 ModemManager
[252291.326746] [ 1645] 0 1645 5574 491 15 3 27 0 systemd-logind
[252291.326748] [ 1648] 0 1648 129217 1797 70 3 376 0 NetworkManager
[252291.326749] [ 1649] 0 1649 72390 942 31 5 1224 0 snapd
[252291.326750] [ 1671] 104 1671 64077 606 28 4 274 0 rsyslogd
[252291.326752] [ 1676] 115 1676 11237 467 27 3 87 0 avahi-daemon
[252291.326753] [ 1682] 0 1682 69002 855 37 3 71 0 accounts-daemon
[252291.326754] [ 1701] 0 1701 1100 156 7 3 30 0 acpid
[252291.326756] [ 1793] 115 1793 11171 7 23 3 201 0 avahi-daemon
[252291.326757] [ 1794] 0 1794 70117 1900 40 3 221 0 polkitd
[252291.326758] [ 1850] 109 1850 73809 1354 47 3 405 0 colord
[252291.326760] [ 1881] 0 1881 177783 52 43 4 60 0 nscd
[252291.326761] [ 1895] 0 1895 3522 84 12 3 211 0 dhclient
[252291.326763] [ 1899] 0 1899 4879 208 14 3 41 0 irqbalance
[252291.326764] [ 1911] 65534 1911 11708 289 28 3 70 0 dnsmasq
[252291.326765] [ 2305] 0 2305 36341 8787 70 3 181 0 puppet
[252291.326767] [ 2314] 0 2314 85649 340 165 3 668 0 smbd
[252291.326768] [ 2328] 0 2328 82522 23 151 3 590 0 smbd
[252291.326769] [ 2432] 0 2432 6032 1 15 3 228 0 dhclient
[252291.326771] [ 2575] 0 2575 15388 0 33 4 176 -1000 sshd
[252291.326772] [ 2579] 0 2579 39500 19242 79 3 167 0 vncserver-x11-c
[252291.326773] [ 2622] 108 2622 26535 46 22 3 228 0 ntpd
[252291.326774] [ 2680] 0 2680 85649 56 155 3 667 0 smbd
[252291.326776] [ 2847] 0 2847 14275 70 20 3 106 0 automount
[252291.326777] [ 2850] 0 2850 60183 691 114 3 385 0 nmbd
[252291.326779] [ 2904] 0 2904 82625 47 51 4 490 0 vpnagentd
[252291.326780] [ 3574] 121 3574 44304 107 22 3 51 0 rtkit-daemon
[252291.326781] [ 3598] 0 3598 86905 225 55 4 322 0 upowerd
[252291.326783] [ 3694] 521549 3694 9763 130 25 3 127 0 systemd
[252291.326784] [ 3701] 521549 3701 43047 37 46 3 613 0 (sd-pam)
[252291.326785] [ 4197] 0 4197 90424 1251 41 3 364 0 udisksd
[252291.326787] [ 4359] 0 4359 155602 6012 85 3 853 -900 fwupd
[252291.326788] [ 5776] 521549 5776 158062 23461 193 3 928 0 emacs24
[252291.326790] [ 5864] 521549 5864 7909 0 20 3 677 0 python
[252291.326791] [ 2697] 0 2697 27005 97 56 3 371 0 sshd
[252291.326792] [ 2747] 521549 2747 26996 93 55 3 336 0 sshd
[252291.326794] [ 2750] 521549 2750 7989 47 21 3 233 0 zsh
[252291.326795] [ 2763] 521549 2763 4225 84 13 3 548 0 bash
[252291.326796] [ 2897] 521549 2897 4431 496 14 3 480 0 bash
[252291.326797] [ 3229] 0 3229 27005 97 57 3 371 0 sshd
[252291.326799] [ 3256] 521549 3256 26990 31 56 3 332 0 sshd
[252291.326800] [ 3257] 521549 3257 6911 0 18 3 227 0 zsh
[252291.326801] [ 3261] 521549 3261 4197 84 14 3 517 0 bash
[252291.326803] [ 3271] 521549 3271 1048 0 8 3 18 0 emacsclient
[252291.326804] [15649] 0 15649 67156 442 63 3 255 0 cups-browsed
[252291.326806] [16854] 0 16854 23787 1732 54 4 0 0 login
[252291.326807] [16908] 521549 16908 7982 1100 20 4 0 0 zsh
[252291.326808] [16917] 521549 16917 7414 2894 18 3 0 0 bash
[252291.326810] [17023] 0 17023 23787 1755 53 4 0 0 login
[252291.326811] [17053] 521549 17053 7982 1114 20 4 0 0 zsh
[252291.326812] [17083] 0 17083 23794 1770 52 3 0 0 login
[252291.326814] [17105] 521549 17105 4426 1547 13 3 0 0 bash
[252291.326815] [17809] 521549 17809 7982 1095 20 3 0 0 zsh
[252291.326817] [17909] 0 17909 67586 1532 37 3 0 0 lightdm
[252291.326818] [17915] 0 17915 169029 73444 203 4 0 0 Xorg
[252291.326819] [17924] 125 17924 2693 390 11 3 0 0 nvidia-persiste
[252291.326821] [18006] 0 18006 62480 2315 58 3 0 0 lightdm
[252291.326822] [18180] 521549 18180 51387 1561 33 3 0 0 gnome-keyring-d
[252291.326823] [18182] 521549 18182 11569 1483 28 3 0 0 upstart
[252291.326825] [18268] 521549 18268 8288 70 19 3 0 0 upstart-udev-br
[252291.326826] [18276] 521549 18276 10863 1082 24 3 0 0 dbus-daemon
[252291.326827] [18288] 521549 18288 21659 2173 33 4 0 0 window-stack-br
[252291.326829] [18312] 521549 18312 41710 180 17 3 0 0 gpg-agent
[252291.326830] [18321] 521549 18321 8272 76 18 3 0 0 upstart-dbus-br
[252291.326832] [18322] 521549 18322 8272 76 18 3 0 0 upstart-dbus-br
[252291.326833] [18324] 521549 18324 103303 2284 37 3 0 0 ibus-daemon
[252291.326834] [18339] 521549 18339 8813 97 19 3 0 0 upstart-file-br
[252291.326836] [18350] 521549 18350 68686 2112 34 3 0 0 gvfsd
[252291.326837] [18359] 521549 18359 101715 1836 34 3 0 0 gvfsd-fuse
[252291.326838] [18363] 521549 18363 66138 2040 32 3 0 0 ibus-dconf
[252291.326840] [18364] 521549 18364 117631 7737 118 4 0 0 ibus-ui-gtk3
[252291.326841] [18375] 521549 18375 129093 6534 117 3 0 0 bamfdaemon
[252291.326842] [18380] 521549 18380 105261 5606 105 3 0 0 ibus-x11
[252291.326844] [18393] 521549 18393 84504 1401 33 3 0 0 at-spi-bus-laun
[252291.326845] [18398] 521549 18398 10613 1320 25 3 0 0 dbus-daemon
[252291.326846] [18410] 521549 18410 51744 1836 36 3 0 0 at-spi2-registr
[252291.326848] [18414] 521549 18414 47205 1323 28 3 0 0 ibus-engine-sim
[252291.326849] [18426] 521549 18426 176461 10773 163 4 0 0 hud-service
[252291.326850] [18428] 521549 18428 210855 8200 164 4 0 0 unity-settings-
[252291.326852] [18439] 521549 18439 156240 3651 98 3 0 0 gnome-session-b
[252291.326853] [18441] 521549 18441 159475 9762 130 4 0 0 unity-panel-ser
[252291.326854] [18477] 521549 18477 87239 1957 39 4 0 0 indicator-messa
[252291.326856] [18478] 521549 18478 101866 1150 33 3 0 0 indicator-bluet
[252291.326857] [18479] 521549 18479 123697 2493 42 4 0 0 indicator-power
[252291.326858] [18483] 521549 18483 306779 4524 94 4 0 0 indicator-datet
[252291.326860] [18486] 521549 18486 175316 7033 125 4 0 0 indicator-keybo
[252291.326861] [18490] 521549 18490 164979 2698 66 4 0 0 indicator-sound
[252291.326862] [18492] 521549 18492 133579 5799 126 4 0 0 indicator-print
[252291.326864] [18494] 521549 18494 238336 2196 49 4 0 0 indicator-sessi
[252291.326865] [18501] 521549 18501 117418 3077 90 3 0 0 indicator-appli
[252291.326866] [18537] 521549 18537 155428 5525 146 3 0 0 evolution-sourc
[252291.326868] [18561] 521549 18561 127303 2954 90 3 0 0 pulseaudio
[252291.326869] [18569] 521549 18569 44693 1256 23 3 0 0 dconf-service
[252291.326870] [18579] 521549 18579 212457 14611 189 3 0 0 evolution-calen
[252291.326872] [18581] 521549 18581 383682 73309 353 5 0 0 compiz
[252291.326873] [18615] 521549 18615 218897 12285 107 3 0 0 evolution-calen
[252291.326874] [18625] 521549 18625 171156 4450 113 3 0 0 evolution-addre
[252291.326876] [18627] 521549 18627 264112 12748 107 4 0 0 evolution-calen
[252291.326877] [18647] 521549 18647 224845 4211 100 4 0 0 evolution-addre
[252291.326878] [18661] 521549 18661 125158 1936 44 4 0 0 gvfs-udisks2-vo
[252291.326880] [18669] 521549 18669 100983 2268 50 3 0 0 gvfs-afc-volume
[252291.326881] [18675] 521549 18675 68033 1386 34 4 0 0 gvfs-gphoto2-vo
[252291.326882] [18696] 521549 18696 64984 1191 30 4 0 0 gvfs-mtp-volume
[252291.326884] [18701] 521549 18701 64464 1224 28 3 0 0 gvfs-goa-volume
[252291.326885] [18710] 521549 18710 281738 16416 182 4 0 0 nautilus
[252291.326886] [18717] 521549 18717 87724 1512 39 4 0 0 gvfsd-trash
[252291.326888] [18733] 521549 18733 46586 1818 27 3 0 0 gvfsd-metadata
[252291.326889] [18742] 521549 18742 325759 21904 224 4 0 0 gnome-software
[252291.326890] [18748] 521549 18748 105628 5367 104 4 0 0 polkit-gnome-au
[252291.326892] [18749] 521549 18749 142502 5189 111 4 0 0 unity-fallback-
[252291.326893] [18761] 521549 18761 145552 8397 137 3 0 0 nm-applet
[252291.326894] [18764] 521549 18764 132772 8236 126 4 0 0 ssa.py
[252291.326896] [18843] 521549 18843 144191 4502 107 3 0 0 zeitgeist-datah
[252291.326897] [18850] 521549 18850 1127 187 7 3 0 0 sh
[252291.326898] [18854] 521549 18854 102541 2249 36 3 0 0 zeitgeist-daemo
[252291.326899] [18861] 521549 18861 78154 3479 44 3 0 0 zeitgeist-fts
[252291.326901] [18934] 521549 18934 129225 7119 119 3 0 0 update-notifier
[252291.326902] [18987] 521549 18987 344436 69292 424 5 0 0 thunderbird
[252291.326904] [18998] 521549 18998 13824 1279 32 3 0 0 gconfd-2
[252291.326905] [19112] 521549 19112 107793 4884 112 3 0 0 notify-osd
[252291.326906] [19122] 521549 19122 108946 1738 47 3 0 0 deja-dup-monito
[252291.326908] [19217] 521549 19217 81658 2240 45 3 0 0 gvfsd-http
[252291.326909] [19222] 521549 19222 370048 103262 524 5 0 0 firefox
[252291.326910] [19315] 521549 19315 300942 79933 445 5 0 0 Web Content
[252291.326912] [19467] 0 19467 22146 2166 47 3 0 0 cupsd
[252291.326913] [19471] 7 19471 18762 1385 40 3 0 0 dbus
[252291.326914] [19472] 7 19472 18729 1363 41 3 0 0 dbus
[252291.326916] [19473] 7 19473 18762 1374 39 3 0 0 dbus
[252291.326917] [19474] 7 19474 18762 1321 40 3 0 0 dbus
[252291.326918] [19717] 0 19717 12234 1271 28 3 0 0 vncagent
[252291.326919] [19731] 521549 19731 1127 178 8 3 0 0 vncserverui
[252291.326921] [19754] 521549 19754 32985 3375 67 3 0 0 vncserverui.ori
[252291.326922] [19755] 521549 19755 113027 4323 85 3 0 0 vncserverui.ori
[252291.326923] [19778] 521549 19778 162444 9231 137 4 0 0 gnome-terminal-
[252291.326925] [19785] 521549 19785 8536 1125 21 3 0 0 zsh
[252291.326926] [19826] 521549 19826 8506 1138 21 3 0 0 zsh
[252291.326927] [19830] 521549 19830 4417 1572 14 3 0 0 bash
[252291.326929] [20319] 521549 20319 936657 797514 1629 6 0 0 python
[252291.326930] [20385] 521549 20385 7361 878 18 3 0 0 zsh
[252291.326931] Out of memory: Kill process 20319 (python) score 96 or sacrifice child
[252291.326935] Killed process 20319 (python) total-vm:3746628kB, anon-rss:3177076kB, file-rss:12980kB
Nvidia列在通话跟踪中。我可以安装不正确的驱动程序吗？
更一般地说，这里的各种信息是什么意思？
提前感谢任何建议。
答案 0 :(得分：1)
你的操作系统是什么？ Ubuntu 16.04中的最新内核与oom-killer有关。 请参阅以下问题：https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1655842
您可能希望降级到4.4.0-57-generic。