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Bug #784

closed

mod_fastcgi crash ?

Added by Anonymous over 18 years ago. Updated about 16 years ago.

Status:
Fixed
Priority:
Normal
Category:
mod_fastcgi
Target version:
1.4.19
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Description

lightty unexpectedly crashed - nothing in system log, load was about 1.5-1.6 whcih is normal for that time, ~1.5 out of 2G RAM was used for buffers and cache.

fast-cgi threads are spawned externally, there are 8 masters wach running 5 childs:


mci6 ~ # ps faux | grep cgi
lighttpd 25904  0.0  0.0  42116   704 ?        Ss   Jul21   0:01 /usr/bin/php-cgi
lighttpd  1280  2.4  0.2  42640  4480 ?        S    16:53   0:31  \_ /usr/bin/php-cgi
lighttpd  1281  2.4  0.2  42640  4476 ?        S    16:54   0:29  \_ /usr/bin/php-cgi
lighttpd  1285  2.3  0.2  42652  4524 ?        S    16:54   0:27  \_ /usr/bin/php-cgi
lighttpd  1289  2.3  0.2  42652  4456 ?        S    16:55   0:26  \_ /usr/bin/php-cgi
lighttpd  1292  2.4  0.2  42640  4456 ?        S    16:55   0:26  \_ /usr/bin/php-cgi
lighttpd 25963  0.0  0.0  42116   704 ?        Ss   Jul21   0:00 /usr/bin/php-cgi
lighttpd  1351  2.4  0.2  42640  4448 ?        S    17:02   0:17  \_ /usr/bin/php-cgi
lighttpd  1352  2.4  0.2  42640  4464 ?        S    17:02   0:17  \_ /usr/bin/php-cgi
lighttpd  1361  2.3  0.2  42644  4428 ?        S    17:03   0:14  \_ /usr/bin/php-cgi
lighttpd  1362  2.5  0.2  42644  4456 ?        S    17:03   0:15  \_ /usr/bin/php-cgi
lighttpd  1363  2.3  0.2  42640  4424 ?        S    17:05   0:12  \_ /usr/bin/php-cgi
lighttpd 26022  0.0  0.0  42112   692 ?        Ss   Jul21   0:00 /usr/bin/php-cgi
lighttpd  1274  2.3  0.2  42640  4440 ?        S    16:52   0:31  \_ /usr/bin/php-cgi
lighttpd  1279  2.3  0.2  42640  4424 ?        S    16:53   0:29  \_ /usr/bin/php-cgi
lighttpd  1283  2.4  0.2  42640  4456 ?        S    16:54   0:28  \_ /usr/bin/php-cgi
lighttpd  1284  2.3  0.2  42648  4468 ?        S    16:54   0:27  \_ /usr/bin/php-cgi
lighttpd  1296  2.2  0.2  42644  4452 ?        S    16:56   0:23  \_ /usr/bin/php-cgi
lighttpd 26081  0.0  0.0  42116   696 ?        Ss   Jul21   0:00 /usr/bin/php-cgi
lighttpd  1290  2.2  0.2  42640  4472 ?        S    16:55   0:25  \_ /usr/bin/php-cgi
lighttpd  1299  2.2  0.2  42648  4444 ?        S    16:57   0:22  \_ /usr/bin/php-cgi
lighttpd  1314  2.3  0.2  42652  4492 ?        S    16:59   0:21  \_ /usr/bin/php-cgi
lighttpd  1354  2.2  0.2  42652  4432 ?        S    17:03   0:15  \_ /usr/bin/php-cgi
lighttpd  1395  2.3  0.2  42648  4376 ?        S    17:07   0:09  \_ /usr/bin/php-cgi
lighttpd 26140  0.0  0.0  42116   696 ?        Ss   Jul21   0:00 /usr/bin/php-cgi
lighttpd  1264  2.1  0.2  42656  4456 ?        S    16:50   0:31  \_ /usr/bin/php-cgi
lighttpd  1265  2.2  0.2  42648  4504 ?        S    16:50   0:32  \_ /usr/bin/php-cgi
lighttpd  1398  2.2  0.2  42640  4424 ?        S    17:08   0:07  \_ /usr/bin/php-cgi
lighttpd  1416  2.1  0.2  42640  4344 ?        S    17:11   0:04  \_ /usr/bin/php-cgi
lighttpd  1417  2.2  0.2  42648  4360 ?        S    17:11   0:03  \_ /usr/bin/php-cgi
lighttpd 26199  0.0  0.0  42116   696 ?        Ss   Jul21   0:00 /usr/bin/php-cgi
lighttpd  1278  2.2  0.2  42640  4392 ?        S    16:53   0:28  \_ /usr/bin/php-cgi
lighttpd  1282  2.1  0.2  42648  4432 ?        S    16:54   0:25  \_ /usr/bin/php-cgi
lighttpd  1287  2.2  0.2  42660  4468 ?        S    16:54   0:26  \_ /usr/bin/php-cgi
lighttpd  1295  2.2  0.2  42660  4480 ?        S    16:56   0:23  \_ /usr/bin/php-cgi
lighttpd  1360  2.3  0.2  42668  4480 ?        S    17:03   0:14  \_ /usr/bin/php-cgi
lighttpd 26258  0.0  0.0  42112   692 ?        Ss   Jul21   0:00 /usr/bin/php-cgi
lighttpd  1251  2.1  0.2  42636  4492 ?        S    16:49   0:32  \_ /usr/bin/php-cgi
lighttpd  1301  2.1  0.2  42636  4468 ?        S    16:57   0:21  \_ /usr/bin/php-cgi
lighttpd  1312  2.1  0.2  42636  4428 ?        S    16:58   0:20  \_ /usr/bin/php-cgi
lighttpd  1316  2.1  0.2  42644  4432 ?        S    16:59   0:19  \_ /usr/bin/php-cgi
lighttpd  1342  2.1  0.2  42636  4444 ?        S    17:00   0:17  \_ /usr/bin/php-cgi
lighttpd 26317  0.0  0.0  42116   620 ?        Ss   Jul21   0:00 /usr/bin/php-cgi
lighttpd  1209  2.1  0.2  42644  4452 ?        S    16:42   0:40  \_ /usr/bin/php-cgi
lighttpd  1223  2.1  0.2  42648  4708 ?        S    16:45   0:37  \_ /usr/bin/php-cgi
lighttpd  1235  2.0  0.2  42644  4596 ?        S    16:46   0:34  \_ /usr/bin/php-cgi
lighttpd  1267  2.1  0.2  42640  4480 ?        S    16:51   0:29  \_ /usr/bin/php-cgi
lighttpd  1275  2.2  0.2  42648  4480 ?        S    16:52   0:29  \_ /usr/bin/php-cgi

after restart - lighty started using them just fine like nothing happened

the only thing out of ordinary - DB was overused at that point of time and some queries were timing out/taking too long (same as previous two days)... however there are 3 boxes with identical hardware/software/configuration sharing the load, only this one had the issue


# lighttpd -v
lighttpd-1.4.10 (ssl) - a light and fast webserver
Build-Date: Apr  6 2006 16:15:33


# tail /var/log/lighttpd/access.log
l66.32.72.109 wapi3.webkinz.com - [31/Jul/2006:11:36:27 -0400] "POST /API/sindex.php HTTP/1.1" 200 109 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1)" 
84.172.206.75 wapi3.webkinz.com - [31/Jul/2006:11:36:27 -0400] "POST /API/sindex.php HTTP/1.1" 200 334 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; FunWebProducts; (R1 1.3); .NET CLR 1.1.4322)" 
142.161.231.167 wapi3.webkinz.com - [31/Jul/2006:11:36:28 -0400] "POST /API/sindex.php HTTP/1.1" 500 369 "http://www.webkinz.com/SWF/main2.v30_5.swf" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" 
209.115.215.127 wapi3.webkinz.com - [31/Jul/2006:11:36:28 -0400] "POST /API/sindex.php HTTP/1.1" 500 369 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)" 
24.47.250.38 wapi3.webkinz.com - [31/Jul/2006:11:36:28 -0400] "POST /API/sindex.php HTTP/1.1" 500 369 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)" 
24.66.94.140 wapi3.webkinz.com - [31/Jul/2006:11:36:28 -0400] "POST /API/sindex.php HTTP/1.1" 500 369 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; DigExt)" 
68.93.109.125 wapi3.webkinz.com - [31/Jul/2006:11:36:28 -0400] "POST /API/sindex.php HTTP/1.1" 500 369 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; YPC 3.2.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727)" 
72.74.232.42 wapi3.webkinz.com - [31/Jul/2006:11:36:28 -0400] "POST /API/sindex.php HTTP/1.1" 500 369 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)" 
68.79.254.45 wapi3.webkinz.com - [31/Jul/2006:11:36:28 -0400] "POST /API/sindex.php HTTP/1.1" 500 369 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)" 
69.175.94.108 wapi3.webkinz.com - [31/Jul/2006:11:36:28 -0400] "POST /API/sindex.php HTTP/1.1" 500 - "http://www.webkinz.com/SWF/main2.v33_0.swf" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" 


# cat /var/log/lighttpd/error.log
2006-07-31 00:01:53: (log.c.129) logfiles cycled
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 0 load: 135 /tmp/php.sock.1
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 1 load: 135 /tmp/php.sock.2
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 2 load: 135 /tmp/php.sock.3
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 3 load: 135 /tmp/php.sock.4
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 4 load: 135 /tmp/php.sock.5
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 5 load: 135 /tmp/php.sock.6
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 0 load: 135 /tmp/php.sock.7
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 0 load: 135 /tmp/php.sock.8
2006-07-31 11:36:28: (mod_fastcgi.c.3540) no fcgi-handler found for: /API/sindex.php
2006-07-31 11:36:28: (mod_fastcgi.c.3540) no fcgi-handler found for: /API/sindex.php
2006-07-31 11:36:28: (mod_fastcgi.c.3540) no fcgi-handler found for: /API/sindex.php
2006-07-31 11:36:28: (mod_fastcgi.c.3540) no fcgi-handler found for: /API/sindex.php
2006-07-31 11:36:28: (mod_fastcgi.c.3540) no fcgi-handler found for: /API/sindex.php
2006-07-31 11:36:28: (network_linux_sendfile.c.93) writev failed: Bad file descriptor 2442
2006-07-31 11:36:28: (connections.c.536) connection closed: write failed on fd 2442
2006-07-31 11:36:28: (connections.c.132) (warning) close: 2442 Bad file descriptor

-- webmaster

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 #1

Updated by Anonymous about 17 years ago

2006-07-31 00:01:53: (log.c.129) logfiles cycled
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 0 load: 135 /tmp/php.sock.1
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 1 load: 135 /tmp/php.sock.2
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 2 load: 135 /tmp/php.sock.3
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 3 load: 135 /tmp/php.sock.4
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 4 load: 135 /tmp/php.sock.5
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 5 load: 135 /tmp/php.sock.6
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 0 load: 135 /tmp/php.sock.7
2006-07-31 11:36:28: (mod_fastcgi.c.2878) backend is overloaded, we disable it for a 2 seconds and send the request to another backend instead: reconnects: 0 load: 135 /tmp/php.sock.8
2006-07-31 11:36:28: (mod_fastcgi.c.3540) no fcgi-handler found for: /API/sindex.php
2006-07-31 11:36:28: (mod_fastcgi.c.3540) no fcgi-handler found for: /API/sindex.php
2006-07-31 11:36:28: (mod_fastcgi.c.3540) no fcgi-handler found for: /API/sindex.php
2006-07-31 11:36:28: (mod_fastcgi.c.3540) no fcgi-handler found for: /API/sindex.php
2006-07-31 11:36:28: (mod_fastcgi.c.3540) no fcgi-handler found for: /API/sindex.php
2006-07-31 11:36:28: (network_linux_sendfile.c.93) writev failed: Bad file descriptor 2442
2006-07-31 11:36:28: (connections.c.536) connection closed: write failed on fd 2442
2006-07-31 11:36:28: (connections.c.132) (warning) close: 2442 Bad file descriptor

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 #3

Updated by stbuehler about 16 years ago

  • Status changed from New to Fixed
  • Resolution set to duplicate
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