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Posted to dev@httpd.apache.org by Rob Hartill <ro...@imdb.com> on 1997/03/27 14:51:21 UTC

the old FIN_WAIT_2 problem. (fwd)

We got Cc'ed this:

---------- Forwarded message ----------
Date: Wed, 26 Mar 1997 18:53:21 -0500 (EST)
From: Administrateur Systeme <so...@octave.collegeleboeuf.qc.ca>
To: support@bsdi.com
Cc: apache-bugs@apache.org
Subject: the old FIN_WAIT_2 problem.


Customer ID: N3668

Hello,

We are running BSD/OS 3.0 and Apache 1.2b7.

We believe we are experiencing the same problem that patch K210-027 had
supposedly fixed.  Could you check this out?  

The symptom is: the apache server suddenly hangs for varying periods of
times.  We have a cron job that checks it and dumps the following info
when it happens (note: we have two separate Apache installations, one on
204.19.108.3:80 and the others on the 207.253.6.0 net).

------------------------------------------------------------------------
Active Internet connections
Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)
tcp        0     60  204.19.108.3.110       207.107.88.157.1268    FIN_WAIT_1
tcp        0   1401  204.19.108.3.80        200.0.208.4.4629       FIN_WAIT_1
tcp        0   1763  207.253.6.68.80        205.205.178.111.2555   FIN_WAIT_1
tcp        0     50  204.19.108.3.25        194.177.120.70.1197    ESTABLISHED
tcp        0      0  204.19.108.3.1606      142.135.4.28.113       SYN_SENT
tcp        0      0  204.19.108.3.25        142.135.4.28.29219     ESTABLISHED
tcp        0   3257  207.253.6.68.80        207.216.191.188.2292   ESTABLISHED
tcp        0   8472  207.253.6.68.80        207.216.191.188.2291   ESTABLISHED
tcp        0      0  204.19.108.3.21        206.167.83.69.1169     ESTABLISHED
tcp        0      0  204.19.108.3.80        204.19.108.94.1418     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        204.19.108.94.1417     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        204.19.108.94.1416     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        134.197.36.69.1095     FIN_WAIT_2
tcp        0      0  207.253.6.68.80        207.216.191.188.2283   ESTABLISHED
tcp        0      0  204.19.108.3.80        134.197.36.69.1092     FIN_WAIT_2
tcp        0      0  204.19.108.3.25        204.19.108.101.1062    ESTABLISHED
tcp        0      0  204.19.108.3.80        134.197.36.69.1090     FIN_WAIT_2
tcp        0      0  207.253.6.68.80        207.216.191.188.2282   ESTABLISHED
tcp        0      0  207.253.6.68.80        207.216.191.188.2280   FIN_WAIT_2
tcp        0      0  204.19.108.3.80        134.197.36.69.1089     FIN_WAIT_2
tcp        0      0  204.19.108.3.25        130.236.254.3.39635    ESTABLISHED
tcp        0      0  207.253.6.68.80        207.216.191.188.2275   FIN_WAIT_2
tcp        0   7604  204.19.108.3.1598      205.205.40.8.25        ESTABLISHED
tcp        0      0  204.19.108.3.80        207.139.119.3.1123     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        207.139.119.3.1122     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        207.139.119.3.1121     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        207.139.119.3.1120     FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1073   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1072   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1071   FIN_WAIT_2
tcp        0      0  207.253.6.68..80        205.205.111.122.1070   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1069   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1068   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1067   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1066   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1065   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1064   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1063   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1062   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1061   FIN_WAIT_2
tcp        0      0  207.253.6.68.80        205.205.111.122.1060   FIN_WAIT_2
tcp        0      0  204.19.108.3.80        207.146.195.119.1139   FIN_WAIT_2
tcp        0      0  204.19.108.3.80        207.146.195.119.1132   FIN_WAIT_2
tcp        0      0  204.19.108.3.80        207.146.195.119.1127   FIN_WAIT_2
tcp        0      0  207.253.6.33.80        207.147.206.213.1626   FIN_WAIT_2
tcp        0      0  204.19.108.3.21        204.19.108.94.1374     ESTABLISHED
tcp        0      0  204.19.108.3.80        204.19.108.80.1127     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        206.172.229.3.1299     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        206.172.229.3.1295     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        206.172.229.3.1294     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        206.172.229.3.1285     FIN_WAIT_2
tcp        0      0  204.19.108.3.80        198.79.168.221.1807    FIN_WAIT_2
tcp        0      0  204.19.108.3.80        198.79.168.221.1806    FIN_WAIT_2
tcp        0      0  204.19.108.3.80        198.79.168.221.1805    FIN_WAIT_2
tcp        0      0  207.253.6.21.80        198.252.130.155.1462   FIN_WAIT_2
tcp        0      0  204.19.108.3.80        160.94.62.169.1394     FIN_WAIT_2
tcp        0      0  204.19.108.3.25        194.205.1.220.3092     ESTABLISHED
tcp        0      0  207.253.6.63.20        204.19.108.67.62024    ESTABLISHED
tcp        0      0  207.253.6.63.21        204.19.108.67.2048     ESTABLISHED
tcp        0      0  204.19.108.3.20        194.176.130.48.1057    ESTABLISHED
tcp        0      0  204.19.108.3.21        194.176.130.48.1052    CLOSE_WAIT
tcp        0      0  204.19.108.3.80        *.*                    LISTEN
tcp        0      0  207.253.6.3.80         *.*                    LISTEN
tcp        0      0  207.253.6.5.80         *.*                    LISTEN
tcp        0      0  207.253.6.16.80        *.*                    LISTEN
tcp        0      0  207.253.6.17.80        *.*                    LISTEN
tcp        0      0  207.253.6.18.80        *.*                    LISTEN
tcp        0      0  207.253.6.19.80        *.*                    LISTEN
tcp        0      0  207.253.6.56.80        *.*                    LISTEN
tcp        0      0  207.253.6.21.80        *.*                    LISTEN
tcp        0      0  207.253.6.22.80        *.*                    LISTEN
tcp        0      0  207.253.6.24.80        *.*                    LISTEN
tcp        0      0  207.253.6.25.80        *.*                    LISTEN
tcp        0      0  207.253.6.26.80        *.*                    LISTEN
tcp        0      0  207.253.6.68.80        *.*                    LISTEN
tcp        0      0  207.253.6.27.80        *.*                    LISTEN
tcp        0      0  207.253.6.28.80        *.*                    LISTEN
tcp        0      0  207.253.6.29.80        *.*                    LISTEN
tcp        0      0  207.253.6.30.80        *.*                    LISTEN
tcp        0      0  207.253.6.32.80        *.*                    LISTEN
tcp        0      0  207.253.6.33.80        *.*                    LISTEN
tcp        0      0  207.253.6.35.80        *.*                    LISTEN
tcp        0      0  207.253.6.36.80        *.*                    LISTEN
tcp        0      0  207.253.6.37.80        *.*                    LISTEN
tcp        0      0  207.253.6.41.80        *.*                    LISTEN
tcp        0      0  207.253.6.49.80        *.*                    LISTEN
tcp        0      0  207.253.6.51.80        *.*                    LISTEN
tcp        0      0  207.253.6.55.80        *.*                    LISTEN
tcp        0      0  207.253.6.57.80        *.*                    LISTEN
tcp        0      0  207.253.6.58.80        *.*                    LISTEN
tcp        0      0  207.253.6.60.80        *.*                    LISTEN
tcp        0      0  207.253.6.61.80        *.*                    LISTEN
tcp        0      0  207.253.6.62.80        *.*                    LISTEN
tcp        0      0  207.253.6.63.80        *.*                    LISTEN
tcp        0      0  207.253.6.64.80        *.*                    LISTEN
tcp        0      0  207.253.6.65.80        *.*                    LISTEN
tcp        0      0  207.253.6.70.80        *.*                    LISTEN
tcp        0      0  207.253.6.71.80        *.*                    LISTEN
tcp        0      0  207.253.6.72.80        *.*                    LISTEN
tcp        0      0  127.0.0.1.880          *.*                    LISTEN
tcp        0      0  204.19.108.3.1596      205.186.207.20.113     TIME_WAIT
tcp        0      0  204.19.108.3.1597      199.166.4.2.113        TIME_WAIT
tcp        0      0  204.19.108.3.25        199.166.4.2.1037       TIME_WAIT
tcp        0      0  204.19.108.3.25        204.19.108.98.1649     TIME_WAIT
tcp        0      0  204.19.108.3.25        205.186.207.20.1242    TIME_WAIT
tcp        0      0  204.19.108.3.80        204.19.108.3.1601      TIME_WAIT
tcp        0      0  204.19.108.3.110       204.19.108.66.1044     TIME_WAIT
tcp        0      0  204.19.108.3.25        128.54.16.15.4420      TIME_WAIT
tcp        0      0  204.19.108.3.110       204.19.108.102.1342    TIME_WAIT
tcp        0      0  204.19.108.3.1599      130.236.254.3.113      TIME_WAIT
tcp        0      0  204.19.108.3.25        204.101.251.52.43652   TIME_WAIT
tcp        0      0  204.19.108.3.113       150.124.4.13.2628      TIME_WAIT
tcp        0      0  204.19.108.3.1605      150.124.4.13.25        TIME_WAIT
tcp        0      0  204.19.108.3.25        204.19.108.115.1059    TIME_WAIT
tcp        0      0  204.19.108.3.110       204.19.108.115.1060    TIME_WAIT
tcp        0      0  204.19.108.3.80        200.0.208.4.4617       TIME_WAIT
tcp        0      0  204.19.108.3.20        206.167.83.69.1986     TIME_WAIT
tcp        0      0  204.19.108.3.80        200.0.208.4.4624       TIME_WAIT
tcp        0      0  204.19.108.3.1607      194.177.120.70.113     TIME_WAIT
tcp        0      0  207.253.6.37.80        207.253.6.3.1602       TIME_WAIT
udp        0      0  127.0.0.1.53           *.*                   
udp        0      0  207.253.6.72.53        *.*                   
udp        0      0  207.253.6.71.53        *.*                   
udp        0      0  207.253.6.70.53        *.*                   
udp        0      0  207.253.6.68.53        *.*                   
udp        0      0  207.253.6.67.53        *.*                   
udp        0      0  207.253.6.65.53        *.*                   
udp        0      0  207.253.6.64.53        *.*                   
udp        0      0  207.253.6.63.53        *.*                   
udp        0      0  207.253.6.62.53        *.*                   
udp        0      0  207.253.6.61.53        *.*                   
udp        0      0  207.253.6.60.53        *.*                   
udp        0      0  207.253.6.59.53        *.*                   
udp        0      0  207.253.6.58.53        *.*                   
udp        0      0  207.253.6.57.53        *.*                   
udp        0      0  207.253.6.56.53        *.*                   
udp        0      0  207.253.6.55.53        *.*                   
udp        0      0  207.253.6.51.53        *.*                   
udp        0      0  207.253.6.49.53        *.*                   
udp        0      0  207.253.6.41.53        *.*                   
udp        0      0  207.253.6.37.53        *.*                   
udp        0      0  207.253.6.36.53        *.*                   
udp        0      0  207.253.6.35.53        *.*                   
udp        0      0  207.253.6.34.53        *.*                   
udp        0      0  207.253.6.33.53        *.*                   
udp        0      0  207.253.6.32.53        *.*                   
udp        0      0  207.253.6.30.53        *.*                   
udp        0      0  207.253.6.29.53        *.*                   
udp        0      0  207.253.6.28.53        *.*                   
udp        0      0  207.253.6.27.53        *.*                   
udp        0      0  207.253.6.26.53        *.*                   
udp        0      0  207.253.6.25.53        *.*                   
udp        0      0  207.253.6.24.53        *.*                   
udp        0      0  207.253.6.23.53        *.*                   
udp        0      0  207.253.6.22.53        *.*                   
udp        0      0  207.253.6.21.53        *.*                   
udp        0      0  207.253.6.19.53        *.*                   
udp        0      0  207.253.6.18.53        *.*                   
udp        0      0  207.253.6.17.53        *.*                   
udp        0      0  207.253.6.16.53        *.*                   
udp        0      0  207.253.6.5.53         *.*                   
udp        0      0  207.253.6.3.53         *.*                   
udp        0      0  204.19.108.3.53        *.*                   
USER       PID %CPU %MEM   VSZ  RSS  TT  STAT STARTED       TIME COMMAND
root      9216  1.0  0.5   192  284  ??  R     2:45PM    0:00.00 /bin/ps -auxww
root         1  0.0  0.5   164  304  ??  Is    5:28PM    0:02.45 /sbin/init
root         2  0.0  0.0     0   12  ??  DL    5:28PM    0:00.01 (pagedaemon)
root        17  0.0  0.1    68   64  ??  Is    5:28PM    0:00.00 asyncd 2
root        19  0.0  0.1    68   64  ??  Is    5:28PM    0:00.02 asyncd 2
root        55  0.0  0.6   280  340  ??  Ss    5:28PM    0:02.80 gettyd -s
root       200  0.0  0.4   112  220  ??  Ss    5:28PM    0:16.71 syslogd -l
root       203  0.0  0.2   104  148  ??  Ss    5:28PM    0:01.00 portmap
root       211  0.0  0.7  1356  432  ??  Is    5:28PM    0:00.03 /usr/bin/perl5 /sbin/routed -q (routed)
root       212  0.0  1.8  1456 1108  ??  S     5:28PM    0:09.42 gated -N -f/tmp/gated.conf.206
root       215  0.0  7.3  4524 4600  ??  Ss    5:28PM    2:41.94 named
root       257  0.0  0.1    72   80  ??  Is    5:28PM    2:34.40 update
root       259  0.0  0.5   340  276  ??  Ss    5:28PM    0:03.70 cron
root       265  0.0  0.4   464  240  ??  Ss    5:28PM    0:02.12 timed -M
root       270  0.0  0.1    72   40  ??  I     5:28PM    0:00.01 nfsiod 4
root       271  0.0  0.1    72   40  ??  I     5:28PM    0:00.01 nfsiod 4
root       272  0.0  0.1    72   40  ??  I     5:28PM    0:00.01 nfsiod 4
root       273  0.0  0.1    72   40  ??  I     5:28PM    0:00.01 nfsiod 4
root       277  0.0  0.5   172  300  ??  Ss    5:28PM    0:00.85 lpd
root       281  0.0  0.4   144  224  ??  I     5:28PM    0:00.02 lpd
root       284  0.0  0.5   520  300  ??  Ss    5:28PM    0:21.31 accepting connections on port 25 (sendmail)
root       301  0.0  0.8   360  492  ??  Rs    5:28PM    0:13.84 /usr/contrib/bin/httpd -d /var/www/adminweb -f /var/www/adminweb/conf/httpd.conf
root       302  0.0  0.4   192  224  ??  Ss    5:28PM    0:37.97 inetd -u internal
root       305  0.0  0.2   360  128  ??  I     5:28PM    0:00.00 (httpd)
root       318  0.0  1.1  1028  712  ??  Rs    5:28PM    0:18.63 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
root       330  0.0  0.6   676  400  ??  Rs    5:28PM    0:20.99 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/
root       348  0.0  0.5   148  300  c6  Is+   5:28PM    0:00.03 /usr/libexec/getty pccons ttyc6
root       349  0.0  0.5   148  300  c7  Is+   5:28PM    0:00.03 /usr/libexec/getty pccons ttyc7
root       350  0.0  0.5   148  300  c8  Is+   5:28PM    0:00.03 /usr/libexec/getty pccons ttyc8
nobodya   9014  0.0  1.1  1072  652  ??  I     8:28PM    0:00.26 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
nobodya   9537  0.0  0.2  1028  136  ??  I     8:39PM    0:00.01 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
svenne    4761  0.0  0.8   736  508  ??  I     1:33AM    0:00.30 serialA2f.innotts.co.uk: svenne: STOR lib05.jpg\r\n (ftpd)
ftpinterweb 22496  0.0  0.8   748  524  ??  I     8:05AM    0:03.60 ppp18.collegeleboeuf.qc.ca: ftpinterweb: STOR p005.pdf\r\n (ftpd)
root     23562  0.0  0.5   148  300  co  Is+   8:50AM    0:00.04 /usr/libexec/getty pccons console
nobodya  28971  0.0  1.1  1072  672  ??  I    11:11AM    0:00.37 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
root       258  0.0  0.5   148  300  c2  Is+  11:40AM    0:00.04 /usr/libexec/getty pccons ttyc2
root      2115  0.0  0.5   148  300  c3  Is+  12:18PM    0:00.06 /usr/libexec/getty pccons ttyc3
root      2119  0.0  0.5   148  300  c5  Is+  12:18PM    0:00.03 /usr/libexec/getty pccons ttyc5
root      3072  0.0  0.5   148  300  c4  Is+  12:42PM    0:00.03 /usr/libexec/getty pccons ttyc4
nobodya   5154  0.0  1.1  1084  688  ??  I     1:28PM    0:00.18 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
root      7005  0.0  1.0  1184  604  ??  S     2:00PM    0:01.10 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/
root      7093  0.0  0.2    76  128  ??  S     2:02PM    0:00.10 comsat
root      7560  0.0  0.7   520  404  ??  I     2:12PM    0:00.03 server dial0.net-shopper.co.uk [194.205.1.220] cmd read (sendmail)
root         0  0.0  0.0     0    0  ??  DLs   5:28PM    0:00.26 (swapper)
root      8425  0.0  0.8   700  504  ??  S     2:30PM    0:00.16 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/
root      8500  0.0  0.9  1172  576  ??  S     2:31PM    0:00.48 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/
nobodya   8524  0.0  1.1  1084  684  ??  S     2:31PM    0:00.44 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
nobodya   8534  0.0  1.0  1060  632  ??  I     2:31PM    0:00.23 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
nobodya   8535  0.1  1.1  1084  696  ??  S     2:32PM    0:00.48 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
nobodya   8575  0.0  1.1  1084  696  ??  S     2:32PM    0:00.39 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
root      8593  0.0  0.8   712  520  ??  S     2:33PM    0:00.44 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/
nobodya   8621  0.0  1.1  1072  676  ??  S     2:33PM    0:00.41 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
nobodya   8622  0.0  1.1  1060  652  ??  S     2:33PM    0:00.29 /usr/local/etc/httpd/httpd -d /usr/local/etc/httpd/
root      8843  0.0  0.9  1172  576  ??  S     2:38PM    0:00.27 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/
root      8845  0.0  0.9  1172  584  ??  S     2:38PM    0:00.26 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/
mysoft    8865  0.0  0.8   736  516  ??  I     2:38PM    0:00.39 ppp45.collegeleboeuf.qc.ca: mysoft: IDLE (ftpd)
root      8995  0.0  0.8   700  508  ??  S     2:41PM    0:00.18 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/
root      9052  0.0  0.8   712  516  ??  S     2:42PM    0:00.12 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/
root      9057  0.0  0.8   712  520  ??  S     2:42PM    0:00.10 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/
root      9147  0.0  0.9   592  548  ??  Ss    2:44PM    0:00.21 OAA09077 netcom.netc.net.: client DATA 354 (sendmail)
root      9151  0.0  0.2   340  132  ??  I     2:45PM    0:00.02 cron
root      9154  0.0  0.3   204  184  ??  Is    2:45PM    0:00.03 /bin/sh -c /home/emc2/solog/bin/checkwww
root      9157  0.2  0.9   564  568  ??  S     2:45PM    0:00.13 /usr/bin/perl /home/emc2/solog/bin/checkwww (checkwww)
root      9160  0.0  0.6   520  384  ??  I     2:45PM    0:00.03 server root@mailhost.lysator.liu.se [130.236.254.3] cmd read (sendmail)
root      9178  0.0  0.6   520  352  ??  I     2:45PM    0:00.03 server ppp52.collegeleboeuf.qc.ca [204.19.108.101] child wait (sendmail)
root      9180  0.0  1.0   592  628  ??  I     2:45PM    0:00.05 OAA09180 ppp52.collegeleboeuf.qc.ca [204.19.108.101]: DATA (sendmail)
smenoche  9199  0.0  0.8   288  504  ??  S     2:45PM    0:00.13 206.167.83.69: smenoche: IDLE (ftpd)
root      9208  0.0  0.6   520  348  ??  S     2:45PM    0:00.02 startup with mistral.cmc.ec.gc.ca (sendmail)
root      9209  0.0  0.6   520  348  ??  S     2:45PM    0:00.03 server root@[194.177.120.70] child wait (sendmail)
root      9210  0.2  1.0   576  612  ??  S     2:45PM    0:00.05 OAA09210 root@[194.177.120.70]: DATA (sendmail)
root      7673  0.0  1.0  1196  612  ??  S     2:14PM    0:00.45 /usr/local/etc/httpd-cedep/httpd -d /usr/local/etc/httpd-cedep/

 2:45PM  up 21:17, 0 user, load averages: 1.27, 0.76, 0.65