Re: 2.6.1 IO lockup on SMP systems

From: Sergey S. Kostyliov
Date: Tue Feb 24 2004 - 06:56:01 EST


On Tuesday 24 February 2004 01:26, Andrew Morton wrote:
> "Sergey S. Kostyliov" <rathamahata@xxxxxxx> wrote:

<cut>

> > The memory exhaustion is indeed possible for this box. I'll double check
> > ulimit and /etc/security/limits.conf stuff. The only thing which worries
> > me that this box had been running for months without any problems with
> > 2.4.23aa1.
>
> It is conceivable that you have some application which runs OK on 2.4.x but
> has some subtle bug which causes the app to go crazy on a 2.6 kernel
> consuming lots of memory. Or there's a bug in the 2.6 kernel ;)
>
> > I have added another 2Gb to swap space (hope this give enough time
> > to find the memory hungry process(es)).

<cut>

>
> OK, so it's doing a lot of swapping and your swap utilisation is
> continuously increasing. I would suspect an application or kernel memory
> leak.
>
> I suggest you keep that `vmstat 30' running all the time. When the machine
> dies, take a look at the final 20 lines.

Here is from the last lockup:

1) last 20 entries of the `vmstat 30':
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
1 1 116676 7752 266156 621360 8 1 1031 186 1364 444 53 5 30 12
1 0 116656 7512 266316 617716 2 3 334 79 1355 334 59 4 34 3
1 0 116240 8072 266800 616444 17 1 539 302 1397 464 59 7 29 6
1 0 116216 13320 266948 614044 1 1 1229 92 1505 587 61 6 27 6
2 0 116208 8344 267152 618048 1 0 436 143 1367 386 58 5 32 5
1 1 116216 6024 267308 619188 0 59 4574 164 1554 742 61 6 20 12
1 1 116284 6468 267736 614028 4 2 1087 117 1458 529 60 7 27 6
1 0 116280 6336 267888 617860 1 0 1225 101 1419 542 59 6 30 6
2 1 116472 7264 268148 619288 0 4 7788 100 1645 950 33 6 29 33
1 1 116728 5976 268296 617112 0 7 7799 86 1566 815 30 6 32 32
2 0 116752 6080 268488 615992 6 8 7434 136 1627 910 34 7 25 34
0 1 116944 6368 268588 615420 1 4 7601 95 1696 952 39 6 25 30
1 0 116968 30600 268896 585832 0 4 2212 176 1584 642 62 7 16 15
0 1 116968 6128 269064 604912 0 0 1410 67 1460 532 60 5 29 6
1 0 116964 6280 269308 604008 0 4 7449 106 1561 819 35 5 30 30
0 1 116976 6080 269400 603208 1 0 7317 121 1535 762 31 6 31 32
1 16 331784 4452 2488 25132 30 7369 1916 7441 1177 333 7 6 6 81
1 26 627540 3116 2172 23156 134 10159 217 10173 1159 200 0 4 0 96
5 29 884564 3144 2036 16032 468 9443 622 9471 1106 435 0 5 0 95
0 50 1097880 2800 2108 8592 484 7141 794 7164 1119 831 0 6 0 94

2) sysrq-M (This one looks strange to me because of
"Free swap: 2326708kB")

SysRq : Show Memory
Mem-info:
DMA per-cpu:
cpu 0 hot: low 2, high 6, batch 1
cpu 0 cold: low 0, high 2, batch 1
cpu 1 hot: low 2, high 6, batch 1
cpu 1 cold: low 0, high 2, batch 1
Normal per-cpu:
cpu 0 hot: low 32, high 96, batch 16
cpu 0 cold: low 0, high 32, batch 16
cpu 1 hot: low 32, high 96, batch 16
cpu 1 cold: low 0, high 32, batch 16
HighMem per-cpu:
cpu 0 hot: low 32, high 96, batch 16
cpu 0 cold: low 0, high 32, batch 16
cpu 1 hot: low 32, high 96, batch 16
cpu 1 cold: low 0, high 32, batch 16

Free pages: 2136kB (512kB HighMem)
Active:832 inactive:103 dirty:0 writeback:0 unstable:0 free:534
DMA free:256kB min:16kB low:32kB high:48kB active:0kB inactive:0kB
Normal free:1368kB min:936kB low:1872kB high:2808kB active:1380kB inactive:352kB
HighMem free:512kB min:512kB low:1024kB high:1536kB active:2008kB inactive:0kB
DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 256kB
Normal: 170*4kB 10*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 1368kB
HighMem: 8*4kB 0*8kB 2*16kB 0*32kB 1*64kB 1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 512kB
Swap cache: add 392088, delete 392033, find 22279/32705, race 16+47
Free swap: 2326708kB
524288 pages of RAM
294912 pages of HIGHMEM
5821 reserved pages
860 pages shared
55 pages swap cached

3) sysrq-T:
http://sysadminday.org.ru/2.6.3-io_lockup/ope/sysrq-T

4) 3 last copies of /proc/vmstat

Tue Feb 24 02:36:53 MSK 2004
nr_dirty 320
nr_writeback 0
nr_unstable 0
nr_page_table_pages 822
nr_mapped 289207
nr_slab 11709
pgpgin 15829228
pgpgout 18320340
pswpin 25882
pswpout 37006
pgalloc 28844087
pgfree 28845931
pgactivate 923552
pgdeactivate 760039
pgfault 25500106
pgmajfault 66503
pgscan 7611061
pgrefill 4989936
pgsteal 5628844
pginodesteal 0
kswapd_steal 5211828
kswapd_inodesteal 2958
pageoutrun 33148
allocstall 12799
pgrotated 205322

Tue Feb 24 02:37:03 MSK 2004
nr_dirty 566
nr_writeback 0
nr_unstable 0
nr_page_table_pages 823
nr_mapped 289174
nr_slab 11733
pgpgin 15917192
pgpgout 18321888
pswpin 25882
pswpout 37006
pgalloc 28886326
pgfree 28888201
pgactivate 923806
pgdeactivate 760254
pgfault 25519499
pgmajfault 66550
pgscan 7633363
pgrefill 5008883
pgsteal 5650891
pginodesteal 0
kswapd_steal 5233875
kswapd_inodesteal 2958
pageoutrun 33287
allocstall 12799
pgrotated 205322

Tue Feb 24 02:37:23 MSK 2004
nr_dirty 4
nr_writeback 4559
nr_unstable 0
nr_page_table_pages 962
nr_mapped 197703
nr_slab 4887
pgpgin 15935652
pgpgout 18698124
pswpin 26444
pswpout 130749
pgalloc 29203531
pgfree 29204764
pgactivate 927401
pgdeactivate 944643
pgfault 25525960
pgmajfault 66694
pgscan 9534651
pgrefill 6027760
pgsteal 5952333
pginodesteal 0
kswapd_steal 5421086
kswapd_inodesteal 4181
pageoutrun 33500
allocstall 16189
pgrotated 292969
Tue Feb 24 02:38:16 MSK 2004
nr_dirty 0
nr_writeback 1805
nr_unstable 0
nr_page_table_pages 1433
nr_mapped 102046
nr_slab 4782
pgpgin 15956340
pgpgout 19099784
pswpin 30206
pswpout 230912
pgalloc 29315002
pgfree 29316033
pgactivate 1082560
pgdeactivate 1202414
pgfault 25537663
pgmajfault 67369
pgscan 11280124
pgrefill 6802507
pgsteal 6058697
pginodesteal 0
kswapd_steal 5476702
kswapd_inodesteal 4257
pageoutrun 33668
allocstall 17610
pgrotated 391878

4) Full top output:

top - 02:39:00 up 8:22, 3 users, load average: 76.16, 25.71, 10.41
Tasks: 225 total, 1 running, 224 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.4% us, 5.3% sy, 0.0% ni, 0.2% id, 93.9% wa, 0.2% hi, 0.0% si
Mem: 2073868k total, 2071260k used, 2608k free, 2104k buffers
Swap: 3583968k total, 1097884k used, 2486084k free, 8604k cached

25123 mysql 15 0 1002m 142m 4896 D 1.0 7.0 10:35.25 mysqld
25122 mysql 15 0 1002m 142m 4896 D 0.0 7.0 0:05.91 mysqld
24132 mysql 15 0 1002m 142m 4896 D 0.0 7.0 0:28.97 mysqld
24129 mysql 15 0 1002m 142m 4896 S 0.0 7.0 0:05.90 mysqld
24125 mysql 15 0 1002m 142m 4896 D 0.1 7.0 0:07.59 mysqld
5420 mysql 16 0 1002m 142m 4896 S 0.0 7.0 0:50.44 mysqld
4748 mysql 15 0 1002m 142m 4896 D 0.0 7.0 3:10.94 mysqld
4746 mysql 15 0 1002m 142m 4896 S 0.0 7.0 2:52.37 mysqld
970 mysql 16 0 1002m 142m 4896 S 0.0 7.0 0:19.57 mysqld
969 mysql 16 0 1002m 142m 4896 S 0.0 7.0 0:17.52 mysqld
968 mysql 15 0 1002m 142m 4896 D 0.1 7.0 0:15.47 mysqld
967 mysql 16 0 1002m 142m 4896 S 0.0 7.0 0:00.00 mysqld
958 mysql 16 0 1002m 142m 4896 S 0.0 7.0 0:15.64 mysqld
957 mysql 15 0 1002m 142m 4896 S 0.0 7.0 2:17.52 mysqld
956 mysql 16 0 1002m 142m 4896 S 0.0 7.0 0:00.16 mysqld
955 mysql 17 0 1002m 142m 4896 S 0.0 7.0 0:00.00 mysqld
954 mysql 15 0 1002m 142m 4896 S 0.0 7.0 0:00.01 mysqld
898 mysql 15 0 1002m 142m 4896 D 0.0 7.0 0:03.57 mysqld
30132 pricemat 25 0 88976 12m 1944 S 0.0 0.6 2:29.37 make_words
29381 apache 15 0 57948 3200 41m D 0.0 0.2 0:26.14 httpd
29652 apache 15 0 57920 3188 41m S 0.0 0.2 0:19.16 httpd
31015 apache 15 0 56456 2484 41m D 0.0 0.1 0:14.68 httpd
29155 apache 15 0 55064 2916 42m S 0.0 0.1 0:21.33 httpd
30281 apache 15 0 54756 5096 41m D 0.0 0.2 0:11.47 httpd
29638 apache 16 0 54744 3816 42m S 0.0 0.2 0:17.62 httpd
29540 apache 15 0 54436 4732 41m D 0.0 0.2 0:19.75 httpd
30153 apache 15 0 54404 3472 41m S 0.0 0.2 0:12.79 httpd
30123 apache 15 0 54356 4024 41m D 0.0 0.2 0:13.18 httpd
30116 apache 15 0 54316 3352 41m D 0.0 0.2 0:11.75 httpd
29647 apache 15 0 54308 4224 41m D 0.0 0.2 0:17.31 httpd
30134 apache 15 0 53416 2968 41m D 0.0 0.1 0:14.14 httpd
29651 apache 15 0 53040 3220 41m D 0.0 0.2 0:17.58 httpd
29013 apache 15 0 52888 4552 41m S 0.0 0.2 0:13.12 httpd
30619 apache 15 0 52824 3584 41m D 0.0 0.2 0:05.70 httpd
28174 apache 15 0 52692 3956 41m D 0.0 0.2 0:17.85 httpd
30926 apache 15 0 52572 2960 41m S 0.0 0.1 0:04.82 httpd
30117 apache 15 0 52464 4356 41m D 0.1 0.2 0:12.74 httpd
30135 apache 15 0 52392 3984 41m D 0.0 0.2 0:11.73 httpd
30126 apache 15 0 52380 4076 41m D 0.0 0.2 0:13.88 httpd
30133 apache 15 0 52340 2856 41m D 0.0 0.1 0:13.50 httpd
31136 apache 15 0 52316 2596 41m D 0.0 0.1 0:00.90 httpd
30127 apache 15 0 52312 3044 41m D 0.0 0.1 0:12.13 httpd
30136 apache 15 0 52208 2780 41m D 0.0 0.1 0:13.56 httpd
31138 apache 15 0 52116 3272 41m D 0.1 0.2 0:00.78 httpd
31137 apache 15 0 52068 2420 41m D 0.0 0.1 0:00.99 httpd
31289 apache 16 0 51476 1900 41m D 0.0 0.1 0:00.00 httpd
31273 apache 17 0 51360 2188 41m D 0.0 0.1 0:00.01 httpd
31261 apache 16 0 51252 1740 41m D 0.0 0.1 0:00.02 httpd
31234 apache 16 0 51220 1520 41m D 0.1 0.1 0:00.02 httpd
31208 apache 16 0 51220 1888 41m D 0.0 0.1 0:00.02 httpd
31276 apache 16 0 51144 1920 41m D 0.0 0.1 0:00.00 httpd
31274 apache 16 0 51144 1952 41m D 0.0 0.1 0:00.00 httpd
31258 apache 18 0 51144 2068 41m D 0.0 0.1 0:00.02 httpd
31255 apache 18 0 51144 2068 41m D 0.0 0.1 0:00.01 httpd
31254 apache 16 0 51144 2012 41m D 0.0 0.1 0:00.01 httpd
31252 apache 17 0 51144 1996 41m D 0.0 0.1 0:00.01 httpd
31251 apache 16 0 51144 2012 41m D 0.0 0.1 0:00.01 httpd
31238 apache 16 0 51144 2068 41m D 0.0 0.1 0:00.01 httpd
31212 apache 17 0 51144 2028 41m D 0.0 0.1 0:00.01 httpd
31288 apache 17 0 51140 2056 41m D 0.0 0.1 0:00.01 httpd
31287 apache 16 0 51140 2020 41m D 0.0 0.1 0:00.00 httpd
31227 apache 18 0 51140 2084 41m D 0.0 0.1 0:00.00 httpd
31201 apache 16 0 51140 2024 41m D 0.0 0.1 0:00.01 httpd
31225 apache 16 0 51136 1768 41m D 0.0 0.1 0:00.01 httpd
31300 apache 16 0 51132 1700 41m D 0.0 0.1 0:00.00 httpd
31285 apache 16 0 51132 2112 41m D 0.0 0.1 0:00.00 httpd
31283 apache 16 0 51132 1708 41m D 0.0 0.1 0:00.00 httpd
31280 apache 16 0 51132 1692 41m D 0.0 0.1 0:00.00 httpd
31272 apache 18 0 51132 1828 41m D 0.0 0.1 0:00.00 httpd
31257 apache 16 0 51132 2012 41m D 0.0 0.1 0:00.00 httpd
31207 apache 16 0 51132 1708 41m D 0.0 0.1 0:00.00 httpd
31243 apache 16 0 51128 1856 41m D 0.0 0.1 0:00.00 httpd
31296 apache 16 0 51120 1844 41m D 0.0 0.1 0:00.00 httpd
31295 apache 16 0 51120 1632 41m D 0.0 0.1 0:00.00 httpd
31284 apache 16 0 51120 1640 41m D 0.0 0.1 0:00.01 httpd
31277 apache 16 0 51120 1616 41m D 0.0 0.1 0:00.00 httpd
31271 apache 18 0 51120 1656 41m D 0.0 0.1 0:00.00 httpd
31220 apache 16 0 51120 1620 41m D 0.0 0.1 0:00.01 httpd
31206 apache 16 0 51108 1944 41m D 0.0 0.1 0:00.01 httpd
31249 apache 17 0 51104 1788 41m D 0.0 0.1 0:00.01 httpd
31237 apache 16 0 51104 1848 41m D 0.1 0.1 0:00.02 httpd
31253 apache 16 0 51100 2140 41m D 0.0 0.1 0:00.01 httpd
31203 apache 17 0 51100 1608 41m D 0.0 0.1 0:00.01 httpd
31211 apache 16 0 51096 2004 41m D 0.0 0.1 0:00.01 httpd
31298 apache 17 0 51092 2004 41m D 0.0 0.1 0:00.00 httpd
31282 apache 16 0 51092 2084 41m D 0.0 0.1 0:00.00 httpd
31267 apache 18 0 51092 2056 41m D 0.0 0.1 0:00.01 httpd
31313 apache 18 0 51088 1512 41m D 0.0 0.1 0:00.00 httpd
31312 apache 16 0 51088 1508 41m D 0.0 0.1 0:00.00 httpd
31310 apache 17 0 51088 1512 41m D 0.0 0.1 0:00.00 httpd
31286 apache 16 0 51088 1680 41m D 0.0 0.1 0:00.01 httpd
31281 apache 15 0 51088 1268 41m D 0.0 0.1 0:00.00 httpd
31269 apache 18 0 51088 1824 41m D 0.0 0.1 0:00.00 httpd
31268 apache 17 0 51088 1776 41m D 0.1 0.1 0:00.04 httpd
31248 apache 16 0 51088 1600 41m S 0.1 0.1 0:00.02 httpd
31242 apache 16 0 51088 1336 41m D 0.0 0.1 0:00.00 httpd
31241 apache 15 0 51088 1636 41m S 0.0 0.1 0:00.01 httpd
31236 apache 18 0 51088 1752 41m D 0.0 0.1 0:00.00 httpd
31233 apache 16 0 51088 1376 41m S 0.0 0.1 0:00.00 httpd
31231 apache 16 0 51088 1196 41m D 0.0 0.1 0:00.00 httpd
31217 apache 16 0 51088 1636 41m S 0.0 0.1 0:00.01 httpd
31214 apache 16 0 51088 1428 41m S 0.0 0.1 0:00.01 httpd
31210 apache 16 0 51088 1320 41m S 0.0 0.1 0:00.00 httpd
31205 apache 18 0 51088 1648 41m D 0.0 0.1 0:00.01 httpd
31204 apache 16 0 51088 1268 41m S 0.0 0.1 0:00.00 httpd
31235 apache 16 0 51080 1364 41m D 0.0 0.1 0:00.00 httpd
31232 apache 16 0 51080 1484 41m D 0.0 0.1 0:00.03 httpd
31219 apache 18 0 51080 1800 41m D 0.0 0.1 0:00.01 httpd
31315 apache 18 0 51076 1384 41m D 0.0 0.1 0:00.00 httpd
31314 apache 16 0 51076 1316 41m D 0.0 0.1 0:00.00 httpd
31311 apache 18 0 51076 1464 41m D 0.0 0.1 0:00.01 httpd
31309 apache 18 0 51076 1384 41m D 0.0 0.1 0:00.00 httpd
31308 apache 18 0 51076 1304 41m D 0.0 0.1 0:00.00 httpd
31306 apache 17 0 51076 1420 41m D 0.0 0.1 0:00.00 httpd
31305 apache 18 0 51076 1320 41m D 0.0 0.1 0:00.01 httpd
31304 apache 18 0 51076 1280 41m D 0.0 0.1 0:00.00 httpd
31303 apache 18 0 51076 1380 41m D 0.0 0.1 0:00.00 httpd
31302 apache 17 0 51076 1308 41m D 0.0 0.1 0:00.00 httpd
31301 apache 15 0 51076 1292 41m D 0.0 0.1 0:00.00 httpd
31297 apache 16 0 51076 1348 41m D 0.0 0.1 0:00.00 httpd
31279 apache 16 0 51076 1292 41m S 0.0 0.1 0:00.00 httpd
31278 apache 15 0 51076 1204 41m D 0.0 0.1 0:00.00 httpd
31275 apache 15 0 51076 1196 41m D 0.0 0.1 0:00.00 httpd
31260 apache 16 0 51076 1548 41m S 0.0 0.1 0:00.02 httpd
31259 apache 18 0 51076 1536 41m S 0.0 0.1 0:00.00 httpd
31256 apache 18 0 51076 1444 41m S 0.0 0.1 0:00.00 httpd
31250 apache 16 0 51076 1484 41m S 0.0 0.1 0:00.00 httpd
31247 apache 16 0 51076 1292 41m D 0.0 0.1 0:00.01 httpd
31246 apache 16 0 51076 1296 41m S 0.0 0.1 0:00.01 httpd
31245 apache 18 0 51076 1172 41m D 0.0 0.1 0:00.00 httpd
31244 apache 15 0 51076 1412 41m S 0.0 0.1 0:00.00 httpd
31240 apache 16 0 51076 1500 41m S 0.0 0.1 0:00.01 httpd
31239 apache 15 0 51076 1548 41m D 0.0 0.1 0:00.01 httpd
31230 apache 18 0 51076 1300 41m D 0.0 0.1 0:00.00 httpd
31229 apache 18 0 51076 1304 41m D 0.0 0.1 0:00.00 httpd
31228 apache 16 0 51076 1424 41m S 0.0 0.1 0:00.00 httpd
31226 apache 16 0 51076 1760 41m D 0.0 0.1 0:00.01 httpd
31223 apache 18 0 51076 1216 41m D 0.0 0.1 0:00.00 httpd
31218 apache 18 0 51076 1704 41m D 0.0 0.1 0:00.01 httpd
31216 apache 18 0 51076 1208 41m D 0.0 0.1 0:00.00 httpd
31215 apache 16 0 51076 1240 41m D 0.0 0.1 0:00.00 httpd
31202 apache 17 0 51076 1620 41m D 0.0 0.1 0:00.01 httpd
31325 root 17 0 51064 1320 41m D 0.0 0.1 0:00.00 httpd
31324 root 17 0 51064 1320 41m D 0.0 0.1 0:00.00 httpd
31323 root 15 0 51064 1320 41m D 0.0 0.1 0:00.00 httpd
31322 root 15 0 51064 1320 41m D 0.0 0.1 0:00.00 httpd
31319 root 18 0 51064 1288 41m D 0.0 0.1 0:00.00 httpd
31318 root 17 0 51064 1312 41m D 0.0 0.1 0:00.00 httpd
31316 root 18 0 51064 1328 41m D 0.0 0.1 0:00.00 httpd
794 root 17 0 51064 1192 41m S 0.1 0.1 0:01.67 httpd
23885 pricemat 16 0 5652 1124 4892 S 0.0 0.1 0:00.02 php
23980 pricemat 17 0 5648 652 4892 S 0.0 0.0 0:00.01 php
1430 root 15 0 3780 260 3112 S 0.0 0.0 0:00.61 sshd
8273 root 15 0 3716 468 3112 S 0.0 0.0 0:01.26 sshd
994 root 16 0 3660 516 3112 S 0.0 0.0 0:10.24 sshd
2147 root 15 0 3572 176 3112 S 0.0 0.0 0:00.12 sshd
2129 root 16 0 3572 156 3112 S 0.0 0.0 0:00.76 sshd
1919 root 15 0 3532 128 3112 S 0.0 0.0 0:00.11 sshd
1480 root 16 0 3488 84 2224 S 0.0 0.0 0:00.83 bash
2991 rathamah 16 0 3336 420 2052 S 0.0 0.0 0:00.04 bash
1431 rathamah 16 0 2828 880 2052 S 0.0 0.0 0:00.04 bash
770 dnscache 15 0 2712 24 1412 S 0.0 0.0 0:17.59 dnscache
728 root 16 0 2672 176 2560 S 0.0 0.0 0:01.72 sshd
1001 rathamah 16 0 2588 48 2052 S 0.0 0.0 0:00.03 bash
2957 root 17 0 2388 40 1984 S 0.0 0.0 0:00.02 login
846 root 20 0 2284 252 2120 S 0.0 0.0 0:00.02 mysqld_safe
750 root 16 0 2212 44 1900 S 0.0 0.0 0:00.00 xinetd
1478 root 16 0 2148 216 1788 S 0.0 0.0 0:00.00 su
1062 rathamah 15 0 2132 508 1728 D 0.4 0.0 2:37.73 top
8278 rathamah 15 0 2028 560 1728 R 0.2 0.0 0:18.48 top
31292 mobilius 18 0 1972 124 1884 S 0.0 0.0 0:00.00 lacheck.sh
31263 mobilius 18 0 1972 112 1884 S 0.0 0.0 0:00.01 sh
2131 rathamah 15 0 1964 80 1884 S 0.0 0.0 0:04.17 proc_vmstat.sh
1192 apache 16 0 1952 44 1816 S 0.0 0.0 0:00.60 cache_clean
708 ntp 16 0 1936 1928 1792 S 0.0 0.1 0:00.10 ntpd
619 root 15 0 1840 304 1624 S 0.0 0.0 0:06.43 syslogd
837 root 15 0 1728 136 1536 S 0.0 0.0 0:00.14 crond
23884 root 16 0 1620 160 1536 S 0.0 0.0 0:00.00 crond
31264 root 18 0 1616 108 1536 S 0.0 0.0 0:00.00 crond
31262 root 17 0 1616 96 1536 S 0.0 0.0 0:00.00 crond
1088 root 23 0 1616 84 1536 S 0.0 0.0 0:00.00 crond
625 root 16 0 1532 188 1364 S 0.0 0.0 0:00.19 klogd
2149 rathamah 15 0 1464 88 1404 S 0.0 0.0 0:00.02 vmstat
863 qmails 15 0 1444 196 1388 S 0.0 0.0 0:45.57 qmail-send
31321 megashop 18 0 1436 200 1388 D 0.0 0.0 0:00.00 qmail-inject
31293 megashop 18 0 1436 200 1388 D 0.0 0.0 0:00.01 qmail-inject
23939 pricemat 16 0 1436 8 1388 S 0.0 0.0 0:00.00 qmail-inject
23 root 17 0 1436 432 1392 S 0.0 0.0 0:00.66 devfsd
31317 rathamah 17 0 1432 124 1420 D 0.0 0.0 0:00.01 date
1201 urs 15 0 1420 100 1392 D 0.0 0.0 0:00.54 tcpserver
1187 urs 18 0 1420 44 1392 S 0.0 0.0 0:00.00 tcpserver
767 root 15 0 1420 76 1356 S 0.0 0.0 0:00.12 svscan
1 root 15 0 1420 424 1372 D 0.0 0.0 0:04.26 init
866 qmaill 15 0 1412 292 1352 S 0.0 0.0 0:00.62 splogger
867 root 15 0 1404 96 1360 S 0.0 0.0 0:00.15 qmail-lspawn
868 qmailr 16 0 1400 96 1356 S 0.0 0.0 0:00.17 qmail-rspawn
771 dnslog 15 0 1400 16 1368 S 0.0 0.0 0:10.64 multilog
1261 root 16 0 1392 40 1352 S 0.0 0.0 0:00.00 mingetty
919 root 16 0 1392 36 1352 S 0.0 0.0 0:00.00 mingetty
916 root 16 0 1392 92 1352 S 0.0 0.0 0:00.00 mingetty
915 root 16 0 1392 64 1352 S 0.0 0.0 0:00.00 mingetty
914 root 16 0 1392 80 1352 S 0.0 0.0 0:00.00 mingetty
913 root 16 0 1392 76 1352 S 0.0 0.0 0:00.00 mingetty
869 qmailq 15 0 1388 84 1356 S 0.0 0.0 0:00.66 qmail-clean
769 root 16 0 1388 12 1360 S 0.0 0.0 0:00.00 supervise
768 root 16 0 1388 12 1360 S 0.0 0.0 0:00.00 supervise
31307 mobilius 18 0 376 116 348 D 0.0 0.0 0:00.00 awk
31320 root 15 0 0 0 0 D 0.0 0.0 0:00.00 pdflush
31222 root 15 0 0 0 0 D 0.0 0.0 0:00.01 pdflush
24026 root 15 0 0 0 0 D 0.0 0.0 0:05.24 pdflush
18 root 5 -10 0 0 0 S 0.0 0.0 0:00.04 reiserfs/1
17 root 5 -10 0 0 0 S 0.0 0.0 0:00.02 reiserfs/0
16 root 18 0 0 0 0 S 0.0 0.0 0:00.15 kseriod
15 root 15 -10 0 0 0 S 0.0 0.0 0:00.00 aio/1
14 root 10 -10 0 0 0 S 0.0 0.0 0:00.00 aio/0
13 root 15 0 0 0 0 D 8.9 0.0 0:23.43 kswapd0
10 root 15 0 0 0 0 S 0.0 0.0 0:00.00 kirqd
9 root 5 -10 0 0 0 S 0.0 0.0 0:00.01 kblockd/1
8 root 5 -10 0 0 0 S 0.0 0.0 0:00.01 kblockd/0
7 root 5 -10 0 0 0 S 0.0 0.0 0:00.02 events/1
6 root 5 -10 0 0 0 S 0.0 0.0 0:00.03 events/0
5 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/1
4 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/1
3 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/0
2 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0

>
> Also, run
>
> while true
> do
> cat /proc/meminfo
> sleep 10
> done
>
> and record the info which that leaves behind when the machine locks up.
> This should tell us whether it is an application or kernel memory leak. If
> it is indeed a leak.

Will do this next time.

>
>
>

--
Best regards,
Sergey S. Kostyliov <rathamahata@xxxxxxx>
Public PGP key: http://sysadminday.org.ru/rathamahata.asc
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