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From Tzipi Rel <tzipi...@zilvia.net>
Subject Re: [users@httpd] Re: Start/Stop Apache
Date Mon, 18 Nov 2002 08:45:56 GMT
and wat can i do ? 
thx



--- Thomas Kernes <tkernes@buckwestern.com> wrote:
>OK, I have the trace...I do not really know what I am looking at though.
>Here is the trace from the time (I think) I issue 'httpd -k stop':
>
>12915 --- SIGTERM (Terminated) ---
>12915 getpgrp()                         = 12915
>12915 kill(-12915, SIGTERM)             = 0
>12916 <... accept resumed> 0x101d5df4, [16]) = ? ERESTARTSYS (To be
>restarted)
>12917 <... accept resumed> 0x101d5df4, [16]) = ? ERESTARTSYS (To be
>restarted)
>12918 <... accept resumed> 0x101d5df4, [16]) = ? ERESTARTSYS (To be
>restarted)
>12916 --- SIGTERM (Terminated) ---
>12917 --- SIGTERM (Terminated) ---
>12918 --- SIGTERM (Terminated) ---
>12916 close(11 <unfinished ...>
>12917 close(11 <unfinished ...>
>12918 close(11 <unfinished ...>
>12916 <... close resumed> )             = 0
>12917 <... close resumed> )             = 0
>12918 <... close resumed> )             = 0
>12916 close(10 <unfinished ...>
>12917 close(10 <unfinished ...>
>12918 close(10 <unfinished ...>
>12916 <... close resumed> )             = 0
>12917 <... close resumed> )             = 0
>12918 <... close resumed> )             = 0
>12916 exit(0)                           = ?
>12917 exit(0)                           = ?
>12918 exit(0)                           = ?
>12919 <... accept resumed> 0x101d5df4, [16]) = ? ERESTARTSYS (To be
>restarted)
>12920 <... accept resumed> 0x101d5df4, [16]) = ? ERESTARTSYS (To be
>restarted)
>12915 --- SIGTERM (Terminated) ---
>12919 --- SIGTERM (Terminated) ---
>12920 --- SIGTERM (Terminated) ---
>12915 --- SIGCHLD (Child exited) ---
>12919 close(11 <unfinished ...>
>12920 close(11 <unfinished ...>
>12915 _newselect(0, 0, 0, 0, 0x7ffff908 <unfinished ...>
>12919 <... close resumed> )             = 0
>12920 <... close resumed> )             = 0
>12919 close(10 <unfinished ...>
>12920 close(10 <unfinished ...>
>12919 <... close resumed> )             = 0
>12920 <... close resumed> )             = 0
>12919 exit(0)                           = ?
>12915 <... _newselect resumed> )        = -1 EINTR (Interrupted system call)
>
>
>Then the processes look like this:
>
>root     12915  <snip> T    16:04   0:01 /etc/httpd/bin/httpd -k start
>apache   12920  <snip> Z    16:04   0:00 [httpd <defunct>]
>apache   12916  <snip> Z    16:04   0:00 [httpd <defunct>]
>apache   12917  <snip> Z    16:04   0:00 [httpd <defunct>]
>apache   12918  <snip> Z    16:04   0:00 [httpd <defunct>]
>apache   12919  <snip> Z    16:04   0:00 [httpd <defunct>]
>
>And the strace did this (core dumped):
>
># strace -f -o httpd.log /etc/httpd/bin/httpd -k start
>Process 12915 attached
>Process 12916 attached
>Process 12917 attached
>Process 12918 attached
>Process 12919 attached
>Process 12920 attached
>Process 12916 detached
>Process 12917 detached
>Process 12918 detached
>Process 12919 detached
>Segmentation fault (core dumped)
>
>
>on 11/16/2002 13:36, joshua@slive.ca wrote:
>
>> 
>> On Sat, 16 Nov 2002, Thomas Kernes wrote:
>> 
>>> That's right.  When I stop Apache using any of the commands or scripts, it
>>> will stop every process but the root-owned one.  When I kill the root
>>> process, I kill it by 'kill -9 XXXXX'.
>> 
>> OK.  There is certainly somthing wrong.  One thing you can try is to get a
>> syscall trace on the root-owned process to see what is blocking it from
>> dying.
>> 
>> Joshua.
>> 
>
>
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