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In Progress [EA-7822] mod_cpanel segfaults

Discussion in 'EasyApache' started by Rodrigo Gomes, Sep 3, 2018.

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  1. Rodrigo Gomes

    Rodrigo Gomes Well-Known Member

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    Moved from: SOLVED - [EA-7780] mod_cpanel CPU usage

    Hello @cPanelMichael,

    Thanks for the info.

    It looks like CloudLinux released the update today.
    Code:
    [~]# rpm -qa|grep ea-apache24-mod_cpanel
    ea-apache24-mod_cpanel-1.3-1.el7.cloudlinux.x86_64
    But when I activate the module, I still get many errors like these below:
    Code:
    [Mon Sep 03 12:26:19.008713 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 279732 exit signal Segmentation fault (11)
    [Mon Sep 03 12:26:19.008736 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 279734 exit signal Segmentation fault (11)
    [Mon Sep 03 12:26:19.008742 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 279736 exit signal Segmentation fault (11)
    [Mon Sep 03 12:26:20.011438 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 279733 exit signal Segmentation fault (11)
    [Mon Sep 03 12:26:20.011482 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 279735 exit signal Segmentation fault (11)
    [Mon Sep 03 12:26:21.016491 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 280071 exit signal Segmentation fault (11)
    [Mon Sep 03 12:26:22.025867 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 280139 exit signal Segmentation fault (11)
    [Mon Sep 03 12:26:22.025916 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 280140 exit signal Segmentation fault (11)
    [Mon Sep 03 12:26:23.027432 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 280270 exit signal Segmentation fault (11)
    [Mon Sep 03 12:26:23.027466 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 280271 exit signal Segmentation fault (11)
    [Mon Sep 03 12:26:23.027471 2018] [core:notice] [pid 279726:tid 140505417664640] AH00052: child pid 280273 exit signal Segmentation fault (11)
     
    #1 Rodrigo Gomes, Sep 3, 2018
    Last edited by a moderator: Sep 7, 2018
  2. cPanelMichael

    cPanelMichael Technical Support Community Manager
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    Hello @Rodrigo Gomes,

    Can you verify that uninstalling mod_cpanel solves the problem? If so, could you open a support ticket so we can take a closer look at your system? It's possible this relates to a separate issue that wasn't addressed by the referenced case. Please post the ticket number here and we'll link this thread to the ticket.

    Thank you.
     
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  3. Rodrigo Gomes

    Rodrigo Gomes Well-Known Member

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    Hello, @cPanelMichael,

    These errors only appear when mod_cpanel is enabled.

    Unfortunately, I can not open a support ticket at this time.
    But if you want, I can help you identify this problem. Just tell me what you need to know.

    Thank you!
     
  4. cPanelMichael

    cPanelMichael Technical Support Community Manager
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    This type of issue is better addressed through a support ticket so we can access the affected system. Is there anything in-particular preventing you from opening the ticket that I can help with?

    Thank you.
     
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  5. Rodrigo Gomes

    Rodrigo Gomes Well-Known Member

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    Hello @cPanelMichael,

    I'm just out of time now.
    So it's more practical and quick for me to answer the forum.

    I would like to be able to use mod_cpanel, but this is not the most urgent right now.

    Thank you!
     
  6. cPanelMichael

    cPanelMichael Technical Support Community Manager
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    Hi @Rodrigo Gomes,

    I've not seen any additional reports of mod_cpanel resulting in Segmentation fault (11) errors, but I'll continue to keep an eye out for any additional reports. I've also been unsuccessful at reproducing this behavior on a test system with mod_cpanel enabled. It's possible this relates to something specific to the affected server's environment. When you have the time, please open a support ticket to report this issue and post the ticket number here. I'll link this thread to the ticket and update this thread with the outcome.

    Thank you.
     
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  7. Rodrigo Gomes

    Rodrigo Gomes Well-Known Member

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    Hello @cPanelMichael,

    I opened a support ticket: 10246561

    Thank you for your attention!
     
  8. Rodrigo Gomes

    Rodrigo Gomes Well-Known Member

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    Hello @cPanelMichael,

    An internal case of number EA-7822 was opened,
    I would like to receive updates on this case through the forum, do I need to open a new topic?
     
  9. cPanelMichael

    cPanelMichael Technical Support Community Manager
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    Hello @Rodrigo Gomes,

    I've moved discussion of this topic to a separate thread.

    Thanks so much for opening a support ticket! With your help we were able to identify a potential issue where the suspended_user_handler() function in mod_cpanel can result in segfaults under some circumstances. Case EA-7822 is open to investigate this issue further. I'll update this thread as soon as more information is available.

    Thank you.
     
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  10. Rodrigo Gomes

    Rodrigo Gomes Well-Known Member

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    Hello @cPanelMichael,

    I'm happy to help! And thanks for the update.
    I'll follow this thread.
     
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