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Easyapache: httpd failed when upgrading to PHP5

Discussion in 'EasyApache' started by headout, Oct 20, 2007.

  1. headout

    headout Well-Known Member

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    Hi,

    we tried to upgrade our PHP version from 4.4.7 to 5.2.4. The upgrade seems succesfull, but httpd doesn't come up. It fails, even with a restart through SSH.

    WHM 11.11.0 cPanel 11.15.0-R17665

    s03# /usr/local/apache/bin/apachectl configtest
    Syntax OK

    No specific errors in the Apache error log.

    A downgrade tot PHP4 is necessary to let Apache restart.
     
    #1 headout, Oct 20, 2007
  2. mtindor

    mtindor Well-Known Member

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    Did non-php sites come up? Depending on whether you are running suexec / suphp or not, you should also check all of the following logs:

    /usr/local/apache/logs/error_log
    /usr/local/apache/logs/suexec_log
    /usr/local/apache/logs/suphp_log
    /usr/local/apache/logs/audit.log (if running mod_security)
    /usr/local/apache/domlogs/nameofdomain.ext (obviously replace that)

    And check /var/log/messages

    There are definitely going to be errors _somewhere_, in at least _one_ of those files. And without reading the errors you'll probably never know why it didn't come up.

    If it was specific to just PHP sites, it probably was an issue with AddType / AddHandler lines in php.conf or something.

    Mike
     
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    #2 mtindor, Oct 20, 2007
  3. headout

    headout Well-Known Member

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    No, none of them did.

    We're going to give it a try in few days and will look in all the mentioned log files.
     
    #3 headout, Oct 22, 2007
  4. cPanelKenneth

    cPanelKenneth cPanel Development Staff Member

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    Are you using any 3rdparty PHP extensions, such as Zend Opt or Ion Cube ?
     
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    #4 cPanelKenneth, Oct 22, 2007
  5. headout

    headout Well-Known Member

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    Today httpd failed, and trying to restart through ssh: failed.
    The apache errorlog show us nothing more then:
    [Thu Oct 25 13:40:00 2007] [notice] mod_security/1.9.5 configured
    [Thu Oct 25 13:40:01 2007] [notice] mod_security/1.9.5 configured
    [Thu Oct 25 13:40:29 2007] [notice] mod_security/1.9.5 configured
    [Thu Oct 25 13:41:01 2007] [notice] mod_security/1.9.5 configured
    [Thu Oct 25 13:41:02 2007] [notice] mod_security/1.9.5 configured

    The other logs are empty or don't show important messages.

    In /var/log/messages we see this:
    Oct 25 13:18:40 s03 kernel: pid 93646 (httpd), uid 0: exited on signal 11 (core dumped)

    When we downgrade to PHP4, hhtpd restarts.
    When we use these settings:
    Default PHP Version (.php files) 5
    PHP 5 Handler cgi
    PHP 4 Handler dso
    Suexec off
    It all works fine.

    But switching back to PHP5 as dso and PHP as cgi, httpd fails and showing us the same errors as above.
     
    #5 headout, Oct 25, 2007
  6. cPanelKenneth

    cPanelKenneth cPanel Development Staff Member

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    What happens when you execute PHP 5 via the command line? e.g. /usr/bin/php or /usr/bin/local/bin/php

    Don't pass any parameters/flags, just execute the command. If it returns immediately, then something is likely causing a seg fault. If the system waits for extra info, then the binary and it's libraries are likely fine. Returns immediately means after typing /usr/bin/php and hitting enters, the command prompt re-appears. If the command prompt does not re-appear without depressing CTRL+C then the binary should be fine.

    If you are using any 3rdpary extensions: Zend Opt, Ion Cube, eAccelerator, try disabling them.

    Which version of Apache are you using?
     
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    #6 cPanelKenneth, Oct 25, 2007
  7. headout

    headout Well-Known Member

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    Indeed, that happens. I need to press ctrl + F5 to get the prompt back.

    Apache version: 1.3.39; we run PHP with the Zend Engine.
     
    #7 headout, Oct 25, 2007
  8. cPanelKenneth

    cPanelKenneth cPanel Development Staff Member

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    Did you examine the core dump?

    PM me the output of php -i (or phpinfo() ) and I'll examine it for any oddities.

    We might need to have you open a support ticket at https://tickets.cpanel.net/submit/ to get full resolution.
     
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    #8 cPanelKenneth, Oct 25, 2007
  9. Lestat

    Lestat Well-Known Member

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    /usr/local/apache/logs/error_log
    [Wed Nov 14 15:40:04 2007] [emerg] (43)Identifier removed: couldn't grab the accept mutex
    [Wed Nov 14 15:40:04 2007] [emerg] (43)Identifier removed: couldn't grab the accept mutex
    [Wed Nov 14 15:40:04 2007] [emerg] (43)Identifier removed: couldn't grab the accept mutex
    [Wed Nov 14 15:40:04 2007] [emerg] (43)Identifier removed: couldn't grab the accept mutex
    [Wed Nov 14 15:40:04 2007] [emerg] (43)Identifier removed: couldn't grab the accept mutex
    [Wed Nov 14 15:40:04 2007] [emerg] (43)Identifier removed: couldn't grab the accept mutex
    [Wed Nov 14 15:40:04 2007] [emerg] (43)Identifier removed: couldn't grab the accept mutex
    [Wed Nov 14 15:40:05 2007] [emerg] (22)Invalid argument: couldn't release the accept mutex
    [Wed Nov 14 15:40:05 2007] [alert] Child 5817 returned a Fatal error... Apache is exiting!
    [Wed Nov 14 15:40:09 2007] [emerg] (22)Invalid argument: couldn't grab the accept mutex
    [Wed Nov 14 15:40:12 2007] [emerg] (22)Invalid argument: couldn't grab the accept mutex
    [Wed Nov 14 15:44:10 2007] [notice] suEXEC mechanism enabled (wrapper: /usr/local/apache/bin/suexec)
    [Wed Nov 14 15:44:10 2007] [notice] ModSecurity for Apache 2.1.3 configured
    [Wed Nov 14 15:44:11 2007] [notice] mod_bw : Memory Allocated 0 bytes (each conf takes 28 bytes)
    [Wed Nov 14 15:44:11 2007] [notice] mod_bw : Version 0.8 - Initialized [0 Confs]
    [Wed Nov 14 15:44:11 2007] [warn] pid file /usr/local/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
    [Wed Nov 14 15:44:11 2007] [notice] Apache/2.2.6 (Unix) mod_ssl/2.2.6 OpenSSL/0.9.7a mod_bwlimited/1.4 mod_auth_passthrough/2.1 FrontPage/5.0.2.2635 configured -- resuming normal operations



    My httpd crashes about every 2-3 hours..... not sure what is causing it..
     
    #9 Lestat, Nov 14, 2007
  10. Bulent Tekcan

    Bulent Tekcan Well-Known Member

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    Same problem here sometimes I see in this error my logs

    [emerg] (22)Invalid argument: couldn't grab the accept mutex

    When I update apache to 2.2.6 this problem started.I never see any error apache 1.3.x

    Any idea ?
     
    #10 Bulent Tekcan, Jan 1, 2008
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