Re: [PATCH] fix spurious OOM kills
From: Chris Ross
Date: Tue Nov 16 2004 - 03:40:55 EST
Andrea Arcangeli escreveu:
Chris, since you can reproduce so easily, could you try a `vmstat 1`
while the oom killing happens, and can you post it?
This is with linux-2.6.10-rc2 (and no patches).
procs -----------memory---------- ---swap-- -----io---- --system--
----cpu----
r b swpd free buff cache si so bi bo in cs us
sy id wa
2 0 5044 2888 5128 12696 320 1892 4532 1892 1157 295 20
20 0 60
0 1 6860 756 3076 15368 148 1920 4428 1920 1175 261 13
14 0 73
0 1 9460 712 2492 12404 28 2736 4896 2736 1142 247 15
19 0 66
0 2 22228 3176 2460 4144 240 13316 2556 13356 1146 132 14
30 0 56
0 1 21612 960 2556 7932 300 0 4936 172 1145 195 16
12 0 72
0 2 22964 552 2440 4088 992 1720 6760 1720 1316 407 11
27 0 62
0 3 23492 712 2456 3520 1476 876 3968 876 1487 376 2
18 0 81
2 2 24904 580 2484 3784 1156 1664 2592 1664 1432 319 1
13 0 86
0 3 35012 704 2616 5604 864 10116 2872 10184 1139 207 4
15 0 81
2 2 34756 880 2848 6444 232 0 1072 340 1248 171 5
12 0 83
0 2 34740 752 2992 7220 1448 0 2308 0 1111 267 23
13 0 65
0 2 34740 736 3200 7308 1288 0 1544 0 1109 318 46
18 0 35
2 0 34740 548 3364 7436 924 0 1892 0 1116 320 55
22 0 23
1 1 34740 932 3216 6592 1196 0 1676 0 1104 183 51
19 0 30
0 2 34732 652 3440 5572 1752 12 1752 420 1085 162 74
4 0 22
0 1 34736 788 3088 4300 2656 8 2656 384 1235 245 46
7 0 48
1 2 35076 700 2740 5068 1940 440 3512 440 1290 303 11
10 0 80
0 1 35208 676 2756 5020 1096 192 4480 192 1275 309 1
11 0 88
0 1 35432 672 2760 3700 280 408 3884 1076 1579 346 10
23 0 67
0 6 35432 396 2760 3300 2512 272 3936 568 4782 2045 0
25 0 74
1 1 6260 41364 2800 4480 2220 0 3812 0 1180 359 1
8 0 91
1 0 6260 41200 2908 4488 64 0 84 168 1040 52 0
2 92 6
0 0 6260 41200 2908 4488 4 0 4 0 1005 8 0
0 99 1
Nov 16 09:25:20 sleepy oom-killer: gfp_mask=0xd2
Nov 16 09:25:20 sleepy DMA per-cpu:
Nov 16 09:25:20 sleepy cpu 0 hot: low 2, high 6, batch 1
Nov 16 09:25:20 sleepy cpu 0 cold: low 0, high 2, batch 1
Nov 16 09:25:20 sleepy Normal per-cpu:
Nov 16 09:25:20 sleepy cpu 0 hot: low 4, high 12, batch 2
Nov 16 09:25:20 sleepy cpu 0 cold: low 0, high 4, batch 2
Nov 16 09:25:20 sleepy HighMem per-cpu: empty
Nov 16 09:25:20 sleepy
Nov 16 09:25:20 sleepy Free pages: 244kB (0kB HighMem)
Nov 16 09:25:20 sleepy Active:12246 inactive:392 dirty:0 writeback:0
unstable:0 free:61 slab:1294 mapped:11933 pagetables:172
Nov 16 09:25:20 sleepy DMA free:60kB min:60kB low:120kB high:180kB
active:11876kB inactive:0kB present:16384kB pages_scanned:12100
all_unreclaimable? yes
Nov 16 09:25:20 sleepy protections[]: 0 0 0
Nov 16 09:25:20 sleepy Normal free:184kB min:188kB low:376kB high:564kB
active:37108kB inactive:1568kB present:49144kB pages_scanned:40510
all_unreclaimable
? yes
Nov 16 09:25:20 sleepy protections[]: 0 0 0
Nov 16 09:25:20 sleepy HighMem free:0kB min:128kB low:256kB high:384kB
active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
Nov 16 09:25:20 sleepy protections[]: 0 0 0
Nov 16 09:25:20 sleepy DMA: 1*4kB 1*8kB 1*16kB 1*32kB 0*64kB 0*128kB
0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 60kB
Nov 16 09:25:20 sleepy Normal: 0*4kB 1*8kB 1*16kB 1*32kB 0*64kB 1*128kB
0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 184kB
Nov 16 09:25:20 sleepy HighMem: empty
Nov 16 09:25:20 sleepy Swap cache: add 8591929, delete 8588661, find
723569/2416017, race 3+15
Nov 16 09:25:20 sleepy Out of Memory: Killed process 22511 (ld).
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