Hey Mel FYI, the following report may be related to Kswapd 100% CPU since 3.8 on Sandybridge http://marc.info/?l=linux-mm&m=141244232304682&w=2
Hillf > Date: Tue, 28 Oct 2014 09:53:54 +0100 > From: =?UTF-8?B?T3J0d2luIEdsw7xjaw==?= <o...@odi.ch> > To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org> > Subject: 3.18-rc2 sudden strike of OOM killer > > This happened right after boot when launching Firefox. There is plenty of RAM, > but no swap with vm.overcommit_memory=0: > > $ free -m > total used free shared buffers cached > Mem: 3569 656 2912 128 16 258 > -/+ buffers/cache: 382 3187 > Swap: 0 0 0 > > [ 97.290091] Purging GPU memory, 0 bytes freed, 12468224 bytes still pinned. > [ 97.290195] X invoked oom-killer: gfp_mask=0x0, order=0, oom_score_adj=0 > [ 97.290198] CPU: 2 PID: 1383 Comm: X Not tainted 3.18.0-rc2 #2 > [ 97.290199] Hardware name: SAMSUNG ELECTRONICS CO., LTD. > 900X3C/900X3D/900X4C/900X4D/NP900X3D-A03CH, BIOS P02ABK 09/19/2012 > [ 97.290200] ffff8800c48b96f8 ffff8800bfb93c18 ffffffff8192e82e > 0000000000000000 > [ 97.290203] ffff8800c48b9080 ffff8800bfb93cb8 ffffffff8192c5be > ffff8800bfb93c88 > [ 97.290205] ffffffff8148e9ee ffff880055aad840 0000000000000000 > ffff8800bfb93ca8 > [ 97.290207] Call Trace: > [ 97.290214] [<ffffffff8192e82e>] dump_stack+0x4e/0x71 > [ 97.290216] [<ffffffff8192c5be>] dump_header.isra.12+0x6e/0x1f0 > [ 97.290221] [<ffffffff8148e9ee>] ? i915_gem_shrinker_oom+0x18e/0x200 > [ 97.290225] [<ffffffff8135ee46>] ? ___ratelimit+0x96/0x110 > [ 97.290229] [<ffffffff811b8be2>] oom_kill_process+0x222/0x3b0 > [ 97.290232] [<ffffffff810f6c27>] ? has_capability_noaudit+0x17/0x20 > [ 97.290234] [<ffffffff811b91df>] out_of_memory+0x2af/0x320 > [ 97.290237] [<ffffffff811b9280>] pagefault_out_of_memory+0x30/0x50 > [ 97.290239] [<ffffffff8192b783>] mm_fault_error+0xb8/0x160 > [ 97.290241] [<ffffffff81088d71>] __do_page_fault+0x441/0x4d0 > [ 97.290245] [<ffffffff81138503>] ? rcu_eqs_enter+0x73/0xa0 > [ 97.290249] [<ffffffff81178ccc>] ? acct_account_cputime+0x1c/0x20 > [ 97.290252] [<ffffffff811192fb>] ? account_user_time+0x8b/0xa0 > [ 97.290254] [<ffffffff8111986d>] ? vtime_account_user+0x5d/0x70 > [ 97.290255] [<ffffffff81088e8b>] do_page_fault+0x5b/0x80 > [ 97.290259] [<ffffffff81938c22>] page_fault+0x22/0x30 > [ 97.290260] Mem-Info: > [ 97.290261] DMA per-cpu: > [ 97.290262] CPU 0: hi: 0, btch: 1 usd: 0 > [ 97.290263] CPU 1: hi: 0, btch: 1 usd: 0 > [ 97.290263] CPU 2: hi: 0, btch: 1 usd: 0 > [ 97.290264] CPU 3: hi: 0, btch: 1 usd: 0 > [ 97.290265] DMA32 per-cpu: > [ 97.290265] CPU 0: hi: 186, btch: 31 usd: 0 > [ 97.290266] CPU 1: hi: 186, btch: 31 usd: 0 > [ 97.290267] CPU 2: hi: 186, btch: 31 usd: 41 > [ 97.290268] CPU 3: hi: 186, btch: 31 usd: 0 > [ 97.290268] Normal per-cpu: > [ 97.290269] CPU 0: hi: 186, btch: 31 usd: 0 > [ 97.290270] CPU 1: hi: 186, btch: 31 usd: 0 > [ 97.290271] CPU 2: hi: 186, btch: 31 usd: 0 > [ 97.290271] CPU 3: hi: 186, btch: 31 usd: 0 > [ 97.290274] active_anon:147835 inactive_anon:719262 isolated_anon:0 > active_file:1533 inactive_file:1728 isolated_file:64 > unevictable:0 dirty:1654 writeback:0 unstable:0 > free:20872 slab_reclaimable:5177 slab_unreclaimable:4623 > mapped:11728 shmem:722103 pagetables:5799 bounce:0 > free_cma:0 > [ 97.290278] DMA free:14492kB min:292kB low:364kB high:436kB > active_anon:272kB > inactive_anon:852kB active_file:12kB inactive_file:12kB unevictable:0kB > isolated(anon):0kB isolated(file):0kB present:15984kB managed:15900kB > mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:868kB > slab_reclaimable:32kB > slab_unreclaimable:24kB kernel_stack:48kB pagetables:16kB unstable:0kB > bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:8 all_unreclaimable? > no > [ 97.290279] lowmem_reserve[]: 0 3118 3551 3551 > [ 97.290285] DMA32 free:60892kB min:59092kB low:73864kB high:88636kB > active_anon:521180kB inactive_anon:2533616kB active_file:5248kB > inactive_file:5492kB unevictable:0kB isolated(anon):0kB isolated(file):256kB > present:3276724kB managed:3196196kB mlocked:0kB dirty:5332kB writeback:0kB > mapped:43348kB shmem:2543532kB slab_reclaimable:17536kB > slab_unreclaimable:13132kB kernel_stack:3904kB pagetables:19656kB unstable:0kB > bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:1916 > all_unreclaimable? no > [ 97.290285] lowmem_reserve[]: 0 0 432 432 > [ 97.290290] Normal free:8104kB min:8192kB low:10240kB high:12288kB > active_anon:69888kB inactive_anon:342580kB active_file:872kB > inactive_file:1408kB unevictable:0kB isolated(anon):0kB isolated(file):0kB > present:514048kB managed:442908kB mlocked:0kB dirty:1284kB writeback:0kB > mapped:3560kB shmem:344012kB slab_reclaimable:3140kB slab_unreclaimable:5336kB > kernel_stack:1552kB pagetables:3524kB unstable:0kB bounce:0kB free_cma:0kB > writeback_tmp:0kB pages_scanned:852 all_unreclaimable? no > [ 97.290291] lowmem_reserve[]: 0 0 0 0 > [ 97.290293] DMA: 15*4kB (M) 17*8kB (UEM) 8*16kB (EM) 5*32kB (EM) 7*64kB > (UEM) > 0*128kB 1*256kB (U) 0*512kB 3*1024kB (UEM) 3*2048kB (EMR) 1*4096kB (M) = > 14500kB > [ 97.290302] DMA32: 2454*4kB (UEM) 1333*8kB (UEM) 816*16kB (UEM) 464*32kB > (UEM) 103*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (R) 1*4096kB (R) > = > 61120kB > [ 97.290309] Normal: 499*4kB (UEM) 172*8kB (UEM) 91*16kB (UEM) 4*32kB (EM) > 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 1*4096kB (R) = 9052kB > [ 97.290317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 > hugepages_size=2048kB > [ 97.290318] 725378 total pagecache pages > [ 97.290319] 0 pages in swap cache > [ 97.290320] Swap cache stats: add 0, delete 0, find 0/0 > [ 97.290320] Free swap = 0kB > [ 97.290321] Total swap = 0kB > [ 97.290321] 951689 pages RAM > [ 97.290322] 0 pages HighMem/MovableOnly > [ 97.290323] 17785 pages reserved > [ 97.290323] [ pid ] uid tgid total_vm rss nr_ptes swapents > oom_score_adj name > [ 97.290328] [ 341] 0 341 8258 285 19 0 > -1000 systemd-udevd > [ 97.290329] [ 1080] 101 1080 4527 250 14 0 > 0 dbus-daemon > [ 97.290331] [ 1144] 0 1144 6815 64 17 0 > 0 syslog-ng > [ 97.290333] [ 1145] 0 1145 90720 470 44 0 > 0 syslog-ng > [ 97.290334] [ 1171] 0 1171 2567 29 9 0 > 0 rdnssd > [ 97.290336] [ 1172] 65534 1172 4672 75 13 0 > 0 rdnssd > [ 97.290337] [ 1212] 0 1212 73410 509 63 0 > 0 NetworkManager > [ 97.290339] [ 1221] 107 1221 126846 1465 45 0 > 0 polkitd > [ 97.290340] [ 1236] 0 1236 7385 186 19 0 > 0 wpa_supplicant > [ 97.290342] [ 1278] 0 1278 522398 329 57 0 > 0 console-kit-dae > [ 97.290343] [ 1379] 0 1379 6695 100 18 0 > 0 kdm > [ 97.290344] [ 1383] 0 1383 762442 13288 1456 0 > 0 X > [ 97.290346] [ 1430] 0 1430 5288 141 13 0 > 0 bluetoothd > [ 97.290347] [ 1452] 102 1452 8047 127 22 0 > 0 avahi-daemon > [ 97.290348] [ 1453] 102 1453 8016 61 21 0 > 0 avahi-daemon > [ 97.290350] [ 1479] 0 1479 11578 283 26 0 > 0 cupsd > [ 97.290351] [ 1498] 0 1498 10745 243 25 0 > 0 cups-browsed > [ 97.290353] [ 1537] 0 1537 9905 196 23 0 > 0 ntpd > [ 97.290354] [ 1561] 0 1561 8685 173 20 0 > -1000 sshd > [ 97.290355] [ 1581] 0 1581 4658 71 14 0 > 0 cron > [ 97.290357] [ 1604] 0 1604 18711 214 43 0 > 0 kdm > [ 97.290358] [ 1619] 0 1619 5699 82 16 0 > 0 agetty > [ 97.290360] [ 1620] 0 1620 5699 81 15 0 > 0 agetty > [ 97.290361] [ 1621] 0 1621 5699 83 16 0 > 0 agetty > [ 97.290362] [ 1622] 0 1622 5699 83 16 0 > 0 agetty > [ 97.290364] [ 1623] 0 1623 5699 80 15 0 > 0 agetty > [ 97.290365] [ 1624] 0 1624 5699 80 16 0 > 0 agetty > [ 97.290366] [ 1643] 1000 1643 3396 107 11 0 > 0 startkde > [ 97.290368] [ 1655] 1000 1655 6083 61 16 0 > 0 dbus-launch > [ 97.290369] [ 1656] 1000 1656 4456 179 13 0 > 0 dbus-daemon > [ 97.290371] [ 1689] 1000 1689 3700 84 11 0 > 0 ssh-agent > [ 97.290372] [ 1702] 1000 1702 78908 1632 131 0 > 0 kdeinit4 > [ 97.290373] [ 1703] 1000 1703 79881 1601 119 0 > 0 klauncher > [ 97.290375] [ 1705] 1000 1705 313641 4086 227 0 > 0 kded4 > [ 97.290376] [ 1707] 1000 1707 4535 106 15 0 > 0 gam_server > [ 97.290377] [ 1710] 1000 1710 4746 55 14 0 > 0 obexd > [ 97.290379] [ 1712] 0 1712 90976 367 42 0 > 0 udisksd > [ 97.290381] [ 1732] 0 1732 50634 275 31 0 > 0 upowerd > [ 97.290382] [ 1783] 1000 1783 66855 1001 110 0 > 0 bluedevil-monol > [ 97.290384] [ 1844] 1000 1844 97083 2400 149 0 > 0 kglobalaccel > [ 97.290385] [ 1859] 1000 1859 143111 1687 127 0 > 0 kactivitymanage > [ 97.290386] [ 1863] 1000 1863 1050 19 8 0 > 0 kwrapper4 > [ 97.290388] [ 1864] 1000 1864 120041 2199 161 0 > 0 ksmserver > [ 97.290389] [ 1869] 1000 1869 100809 1841 123 0 > 0 kio_trash > [ 97.290390] [ 1872] 1000 1872 724415 8240 219 0 > 0 kwin > [ 97.290392] [ 1878] 1000 1878 196304 3615 238 0 > 0 krunner > [ 97.290393] [ 1880] 1000 1880 792688 19708 304 0 > 0 plasma-desktop > [ 97.290394] [ 1884] 1000 1884 2469 166 11 0 > 0 ksysguardd > [ 97.290396] [ 1902] 1000 1902 100809 1844 123 0 > 0 kio_trash > [ 97.290397] [ 1905] 1000 1905 100810 1844 123 0 > 0 kio_trash > [ 97.290398] [ 1906] 1000 1906 80129 1747 118 0 > 0 kio_desktop > [ 97.290400] [ 1922] 1000 1922 81583 1614 119 0 > 0 kio_file > [ 97.290401] [ 1941] 0 1941 1624 64 8 0 > 0 dhcpcd > [ 97.290402] [ 1954] 1000 1954 140303 3453 165 0 > 0 kmix > [ 97.290404] [ 1957] 1000 1957 123479 3654 169 0 > 0 konsole > [ 97.290405] [ 1961] 1000 1961 92116 1311 135 0 > 0 polkit-kde-auth > [ 97.290407] [ 1964] 1000 1964 11165 334 26 0 > 0 xconsole > [ 97.290408] [ 1966] 1000 1966 87379 1776 122 0 > 0 knotify4 > [ 97.290409] [ 1968] 1000 1968 5536 128 15 0 > 0 bash > [ 97.290411] [ 1973] 1000 1973 5536 128 15 0 > 0 bash > [ 97.290412] [ 2242] 1000 2242 145596 23921 219 0 > 0 thunderbird > [ 97.290413] [ 2252] 1000 2252 47700 105 30 0 > 0 at-spi-bus-laun > [ 97.290415] [ 2254] 1000 2254 11317 169 27 0 > 0 gconfd-2 > [ 97.290416] [ 2285] 1000 2285 211595 68281 309 0 > 0 firefox > [ 97.290417] Out of memory: Kill process 2285 (firefox) score 75 or > sacrifice > child > [ 97.290419] Killed process 2285 (firefox) total-vm:846380kB, > anon-rss:270712kB, file-rss:2412kB > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at 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