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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 35680] - (97)Address family not supported by protocol: connect to listener on [::]:443
Date Wed, 13 Jul 2005 01:01:35 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=35680


pinter@p-squared.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #15639|0                           |1
        is obsolete|                            |




------- Additional Comments From pinter@p-squared.com  2005-07-13 03:01 -------
Created an attachment (id=15660)
 --> (http://issues.apache.org/bugzilla/attachment.cgi?id=15660&action=view)
httpd strace taken while problem is occuring

This attachment is a trace of the httpd parent process taken in the midst of
the problem occuring in real-time.

The child processes individually trace as:

[root@server ~]# ps fax | grep httpd
 1568 ?        Ss     1:02 /usr/sbin/httpd
32523 ?        S      0:00  \_ /usr/sbin/httpd
32525 ?        S      0:00  \_ /usr/sbin/httpd
32527 ?        S      0:00  \_ /usr/sbin/httpd
  333 ?        S      0:00  \_ /usr/sbin/httpd

[root@server ~]# strace -p 32523
Process 32523 attached - interrupt to quit
semop(1343495, 0xd8378c, 1 <unfinished ...>
Process 32523 detached
[root@server ~]# strace -p 32525
Process 32525 attached - interrupt to quit
poll( <unfinished ...>
Process 32525 detached
[root@server ~]# strace -p 32527
Process 32527 attached - interrupt to quit
semop(1343495, 0xd8378c, 1 <unfinished ...>
Process 32527 detached
[root@server ~]# strace -p 333
Process 333 attached - interrupt to quit
semop(1343495, 0xd8378c, 1 <unfinished ...>
Process 333 detached

Don't know if it's meaningful, but I noted the 'poll' condition on pid 32525
and the odd number pid (333) for the last (4th) reserved child.

While the error condition was still ongoing, I browsed to both 80 and 443 URL's
and the once-per-second warnings immediately stopped. Now the scene looks like
this:

[root@server ~]# ps fax | grep httpd
  717 pts/0    R+     0:00	    \_ grep httpd
 1568 ?        Ss     1:03 /usr/sbin/httpd
  687 ?        S      0:00  \_ /usr/sbin/httpd
  688 ?        S      0:00  \_ /usr/sbin/httpd
  689 ?        S      0:00  \_ /usr/sbin/httpd

Correlating the timestamp of the last warning message with the various httpd
access, error, ssl_access, ssl_error and ssl_request logs indicate the warnings
stopped when a simple port 80 request was made, not the 443 request I made
subsequently.

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