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spamd crashing the server

Discussion in 'General Discussion' started by Francisco, Oct 29, 2009.

  1. Francisco

    Francisco Well-Known Member

    Jun 3, 2003
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    Recently cpanel update ran overnight (RELEASE branch). It caused the server to crash, the cause:

    Platform is Citrix Xenserver 5.5 - CentOS 5.4 x64 and cPanel. Any ideas??
  2. cPanelDon

    cPanelDon cPanel Quality Assurance Analyst
    Staff Member

    Nov 5, 2008
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    Houston, Texas, U.S.A.
    cPanel Access Level:
    DataCenter Provider
    According to the provided log data there is a 4.5-to-6-hour time frame between the spamd segmentation fault and the next logged entry of FTP usage followed by the restart; this would lead me to believe that the spamd segfault alone is less likely to be the sole direct cause.

    To more accurately diagnose or at least have a better idea what may be contributing or related, it will help to know more information. The following questions would be where I would start researching to help pinpoint the issue:

    1.) Was this a one-time event, or is it recurring with the same or very similar log detail produced at each occurrence?
    2.) Are there other similarly-configured VPS systems running on the same hardware node?
    3.) Has the hardware and RAM been thoroughly tested; for RAM, one could run "Memtest86+" at boot-time from the hardware node.
    4.) If available, what was the load and level of activity that was occurring on the system at the time?
    5.) Has a forced re-install of SpamAssassin been attempted (to re-install spamd)?
    6.) Were any corrective measures performed?
    7.) Was the OS of the VPS a fresh install of CentOS 5.4, or was it upgraded from an earlier CentOS release (e.g., earlier 5.x releases, or 4.x releases)?

    General questions about the cPanel install:
    8.) What is your full cPanel version number?
    9.) What was the full cPanel version number before the update (available via the update logs)?
    10.) Is the system updated manually or was it configured for automatic updates?
    11.) If updated manually, was the update performed using the force option? (e.g., via SSH "--force" could be used when executing "/scripts/upcp")

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