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Thread: apache Segmentation Fault

  1. #1

    Question apache Segmentation Fault

    Hi to everyone,
    after a software upgrade on my "Ubuntu 8.10 Server" that included PHP and Mysql packages i have a very very great number of errors like this in my /var/log/apache2/error.log.

    [Sat Feb 28 11:42:04 2009] [notice] child pid 22456 exit signal Segmentation fault (11)
    [Sat Feb 28 11:42:04 2009] [notice] child pid 22457 exit signal Segmentation fault (11)
    [Sat Feb 28 11:42:04 2009] [notice] child pid 22458 exit signal Segmentation fault (11)
    [Sat Feb 28 11:42:04 2009] [notice] child pid 22459 exit signal Segmentation fault (11)
    [Sat Feb 28 11:42:04 2009] [notice] child pid 22460 exit signal Segmentation fault (11)
    [Sat Feb 28 11:42:04 2009] [notice] child pid 22461 exit signal Segmentation fault (11)
    [Sat Feb 28 11:42:04 2009] [notice] child pid 22462 exit signal Segmentation fault (11)
    [Sat Feb 28 11:42:04 2009] [notice] child pid 22463 exit signal Segmentation fault (11)
    [Sat Feb 28 11:42:04 2009] [notice] child pid 22464 exit signal Segmentation fault (11)
    [Sat Feb 28 11:42:04 2009] [notice] child pid 22465 exit signal Segmentation fault (11)
    Does anyone has an idea about this problem? By reading log file, it seems that this happens just after the software upgrade....

  2. #2
    Join Date
    Feb 2008
    Beans
    6

    Re: apache Segmentation Fault

    I am seeing similar log messages. I'm not sure when they started or what causes them.

  3. #3
    Join Date
    Mar 2009
    Beans
    1

    Re: apache Segmentation Fault

    I have the same problem.

    After installing Apache, I got the "It works!" message when visiting http://localhost.

    If I install mod_wsgi (libapache2-mod-wsgi) or fast-cgi (libapache2-mod-fcgid), the page doesn't display and the error log get filled by these segment-fault error message:

    [Sat Mar 14 13:58:27 2009] [notice] child pid ##### exit signal Segmentation fault (11)

    I am using Ubuntu 8.04 (on a VMware Workstation 6.5.1 virtual server). I got the same problem with Debian 5 on EC2.

  4. #4
    Join Date
    Aug 2005
    Beans
    139

    Re: apache Segmentation Fault

    any ideas? i just upgraded from feisty to gutsy and then from gutsy to hardy. Now my apache is giving me segmentation faults whenever i access a page

  5. #5
    Join Date
    Aug 2008
    Location
    Bulgaria
    Beans
    95
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: apache Segmentation Fault

    More than likely Apache is trying to load a library that isnt there after the upgrade, i would recommend reinstalling Apache.

  6. #6
    Join Date
    Feb 2007
    Location
    San Francisco, CA
    Beans
    6
    Distro
    Ubuntu 8.10 Intrepid Ibex

    Re: apache Segmentation Fault

    Took me a few hours to track this down, but here is what fixed if for me ... turns out the default setting of epoll=128 limits you to 128 apaches in Intrepid

    echo "fs.epoll.max_user_instances=4092" >> /etc/sysctl.conf
    sysctl -p

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