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Thread: systemd-coredump 100% cpu usage

  1. #1
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    Default systemd-coredump 100% cpu usage

    recently systemd-coredump has been constantly using 100% cpu.
    I'm not sure how long this has been going on but certainly for the last several days at least.
    The usage appears to be constant and never falls below 100% cpu usage.

    coredumpctl list shows hundreds of lines of the following . . .

    Code:
    coredumpctl list
    TIME                            PID   UID   GID SIG PRESENT EXE
    Sat 2017-09-09 20:36:56 NZST   3541  1000   100  31 * /usr/lib/tracker-extract
    
    What is the problem that I need to address?

  2. #2
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    Default Re: systemd-coredump 100% cpu usage

    Quote Originally Posted by farcusnz View Post
    What is the problem that I need to address?
    Tracker is segfaulting and causing it to coredump. Bug in tracker or perhaps its database is corrupted - you are definitely not alone, we've had a few people with the same issue come to IRC.

    Uninstall tracker or disable coredumps? ( ln -s /dev/null /etc/sysctl.d/50-coredump.conf disables coredumps, or at least should )
    .: miuku #suse @ irc.freenode.net
    :: miuku@opensuse.org

    .: h​ttps://download.opensuse.org/repositories/home:/Miuku/

  3. #3
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    Default Re: systemd-coredump 100% cpu usage

    Quote Originally Posted by Miuku View Post
    Tracker is segfaulting and causing it to coredump. Bug in tracker or perhaps its database is corrupted - you are definitely not alone, we've had a few people with the same issue come to IRC.

    Uninstall tracker or disable coredumps? ( ln -s /dev/null /etc/sysctl.d/50-coredump.conf disables coredumps, or at least should )
    thanks.
    I've tried running
    Code:
    ln -s /dev/null /etc/sysctl.d/50-coredump.conf
    but systemd-coredump is still hogging the cpu after reboot.

    edit: have uninstalled Tracker which has alleviated the symptoms for now.
    What are the consequences of removing Tracker?

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    Default Re: systemd-coredump 100% cpu usage

    Let's try another way: ln -s /dev/null /usr/lib/sysctl.d/50-coredump.conf

    It's possible the override won't work and you need to replace the main coredump file.

    Edit:
    I don't use GNOME so I don't have tracker but here's an explanation; https://wiki.gnome.org/Projects/Tracker/WhatIsTracker
    .: miuku #suse @ irc.freenode.net
    :: miuku@opensuse.org

    .: h​ttps://download.opensuse.org/repositories/home:/Miuku/

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    Default Re: systemd-coredump 100% cpu usage

    Quote Originally Posted by Miuku View Post
    I don't use GNOME so I don't have tracker but here's an explanation; https://wiki.gnome.org/Projects/Tracker/WhatIsTracker
    I don't use Gnome either but got Tracker as part of a default 42.3 / Plasma 5.8.x install.
    I guess I don't really need tracker if it is part of gnome then?

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    Default Re: systemd-coredump 100% cpu usage

    On Sun 10 Sep 2017 03:26:01 AM CDT, farcusnz wrote:

    Miuku;2837435 Wrote:
    > Tracker is segfaulting and causing it to coredump. Bug in tracker or
    > perhaps its database is corrupted - you are definitely not alone,
    > we've had a few people with the same issue come to IRC.
    >
    > Uninstall tracker or disable coredumps? ( *ln -s /dev/null
    > /etc/sysctl.d/50-coredump.conf* disables coredumps, or at least
    > should )


    thanks.
    I've tried running

    Code:
    --------------------
    *ln -s /dev/null /etc/sysctl.d/50-coredump.conf*
    --------------------

    but systemd-coredump is still hogging the cpu after reboot.


    Hi
    So check them out to confirm what it is...
    Code:
    coredumpctl list
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    openSUSE Leap 42.2|GNOME 3.20.2|4.4.79-18.26-default
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    Default Re: systemd-coredump 100% cpu usage

    Quote Originally Posted by farcusnz View Post
    I guess I don't really need tracker if it is part of gnome then?
    Have you, at any point, used GNOME? I'm wondering how it got installed because I don't have it.

    Either way, KDE uses its own file search and management so it shouldn't cripple anything.
    .: miuku #suse @ irc.freenode.net
    :: miuku@opensuse.org

    .: h​ttps://download.opensuse.org/repositories/home:/Miuku/

  8. #8
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    Default Re: systemd-coredump 100% cpu usage

    Quote Originally Posted by Miuku View Post
    Have you, at any point, used GNOME? I'm wondering how it got installed because I don't have it.

    Either way, KDE uses its own file search and management so it shouldn't cripple anything.
    ... also gets pulled in with Xfce, or with Brasero, probably a few others.
    -Gerry Makaro
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    Solving Tech Mysteries since the Olden Days!
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    If I helped you, consider clicking the Star at the bottom left of my post.

  9. #9
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    Default Re: systemd-coredump 100% cpu usage

    Quote Originally Posted by Miuku View Post
    Have you, at any point, used GNOME? I'm wondering how it got installed because I don't have it.

    Either way, KDE uses its own file search and management so it shouldn't cripple anything.
    No. I've never used or installed Gnome.

    ... also gets pulled in with Xfce, or with Brasero, probably a few others.
    Brasero was installed (which I think is part of pattterns-opensuse-multimedia) so perhaps that is the link. I no longer have it though

  10. #10
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    Default Re: systemd-coredump 100% cpu usage

    You can uninstall Tracker and taboo it. I do that in Xfce, though Gnome and its apps seem to want to require it, I have run into no problems by removing and blocking it.
    -Gerry Makaro
    Fraser-Bell Info Tech
    Solving Tech Mysteries since the Olden Days!
    ~~
    If I helped you, consider clicking the Star at the bottom left of my post.

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