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Thread: [SOLVED] Zimbra hangs with 100% CPU load

  1. #11
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  2. #12
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    I have been running the Zimbra installation on a Xen VM for two years now with not a single problem. I keep up with the CentOS/Xen patches, but there had been no patches for a couple of weeks before the problem. I have just updated to the latest patches but it didn't change anything.

  3. #13
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    Hmmm, check /opt/zimbra/log/*clam* for any error messages. You may have a corrupt av databases.

  4. #14
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    Thanks so much for your suggestions--I really appreciate it. I can usually fix things pretty quicky but this one has me beat.
    Here is an extract from clamd.log
    Code:
    Wed Aug 12 04:09:08 2009 -> +++ Started at Wed Aug 12 04:09:08 2009
    Wed Aug 12 04:09:08 2009 -> clamd daemon 0.95.1-broken-compiler (OS: linux-gnu, ARCH: i386, CPU: i686)
    Wed Aug 12 04:09:08 2009 -> Log file size limited to 20971520 bytes.
    Wed Aug 12 04:09:08 2009 -> Reading databases from /opt/zimbra/data/clamav/db
    Wed Aug 12 04:09:08 2009 -> Not loading PUA signatures.
    LibClamAV Warning: ***********************************************************
    LibClamAV Warning: ***  This version of the ClamAV engine is outdated.     ***
    LibClamAV Warning: *** DON'T PANIC! Read http://www.clamav.net/support/faq ***
    LibClamAV Warning: ***********************************************************
    Wed Aug 12 04:09:11 2009 -> Loaded 608312 signatures.
    Wed Aug 12 04:09:12 2009 -> TCP: Bound to port 3310
    Wed Aug 12 04:09:12 2009 -> TCP: Setting connection queue length to 15
    Wed Aug 12 04:09:12 2009 -> Limits: Global size limit set to 51200000 bytes.
    Wed Aug 12 04:09:12 2009 -> Limits: File size limit set to 51200000 bytes.
    Wed Aug 12 04:09:12 2009 -> Limits: Recursion level limit set to 16.
    Wed Aug 12 04:09:12 2009 -> Limits: Files limit set to 10000.
    Wed Aug 12 04:09:12 2009 -> Archive support enabled.
    Wed Aug 12 04:09:12 2009 -> Archive: Blocking encrypted archives.
    Wed Aug 12 04:09:12 2009 -> Algorithmic detection enabled.
    Wed Aug 12 04:09:12 2009 -> Portable Executable support enabled.
    Wed Aug 12 04:09:12 2009 -> ELF support enabled.
    Wed Aug 12 04:09:12 2009 -> Mail files support enabled.
    Wed Aug 12 04:09:12 2009 -> OLE2 support enabled.
    Wed Aug 12 04:09:12 2009 -> PDF support enabled.
    Wed Aug 12 04:09:12 2009 -> HTML support enabled.
    Wed Aug 12 04:09:12 2009 -> Self checking every 600 seconds.

  5. #15
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    I just ran the zimbra machine again. It was almost 6 mins before it died (from time of boot). Everthing seemed to be perfectly normal until the moment of death. Here is the output from top:
    Code:
    top - 08:42:59 up 5 min,  1 user,  load average: 0.77, 0.72, 0.34
    Tasks: 134 total,   3 running, 131 sleeping,   0 stopped,   0 zombie
    Cpu(s):  0.3%us,  0.3%sy,  0.0%ni, 98.7%id,  0.3%wa,  0.0%hi,  0.0%si,  0.3%st
    Mem:   2048176k total,   863660k used,  1184516k free,    30700k buffers
    Swap:  2031608k total,        0k used,  2031608k free,   438176k cached
    
      PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
     9661 zimbra    24   0  250m 6384 4828 R  0.3  0.3   0:00.01 java
     9663 zimbra    15   0  1860  500  416 S  0.3  0.0   0:00.01 grep
        1 root      15   0  2080  688  588 S  0.0  0.0   0:00.02 init
        2 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 migration/0
        3 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/0
        4 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/0
        5 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 events/0
        6 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 khelper
        7 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 kthread
        9 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 xenwatch
       10 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 xenbus
       18 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 kblockd/0
       19 root      20  -5     0    0    0 S  0.0  0.0   0:00.00 cqueue/0
       23 root      20  -5     0    0    0 S  0.0  0.0   0:00.00 khubd
       25 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 kseriod
       82 root      25   0     0    0    0 S  0.0  0.0   0:00.00 pdflush
       83 root      15   0     0    0    0 S  0.0  0.0   0:00.00 pdflush
       84 root      20  -5     0    0    0 S  0.0  0.0   0:00.00 kswapd0
       85 root      20  -5     0    0    0 S  0.0  0.0   0:00.00 aio/0
      195 root      13  -5     0    0    0 S  0.0  0.0   0:00.00 xenfb thread

  6. #16
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    Hardware RAM issue on host ?

  7. #17
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    As I mentioned above, there are 2GB of RAM, and up to the moment of lockup 1GB of that is free.

  8. #18
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    What I think Klug is refering to is to memtest Dom-0.

  9. #19
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    The host machine has 4GB. Dom-0 has 1GB of which there is plenty free.

  10. #20
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    Is it possible that I would have to re-create my self-signed certificates?
    I am only guessing this because I saw this post: http://www.zimbra.com/forums/install...-5-0-14-a.html
    How can I tell if I need to do this?
    (Thanks for the help!)

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