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Thread: Kernel panic upon zypper dup'ing

  1. #1
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    Default Kernel panic upon zypper dup'ing

    After a month out on fieldwork, I'm back and decided to upgrade before working and... I'm becoming rather scared of upgrading.
    Kernel panic.
    "double fault, error code 0x0"
    "CPU: 2 PID: 2719 Comm: fc-cache32 Tainted: G"
    I'm trying to upload an image from the phone.
    I cannot boot into a previous snap either, as the screen flickers constantly and won't let me log in.
    Anyone has any ideas? I might lose some of my recent work, so I'm worried.

  2. #2
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    Default Re: Kernel panic upon zypper dup'ing

    https://imgur.com/a/zfQCi this is the screen I got. Thanks in advance for any help you can provide.

  3. #3
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    Default Re: Kernel panic upon zypper dup'ing

    Mwwh, kernel panic triggered by zypper removing fetchmsttfonts-11.4-22.1.noarch it seems.

    On https://en.wikipedia.org/wiki/Double_fault I read:
    As double faults can only happen due to kernel bugs, ...
    That does not look good.

    Can you boot in rescue mode?

  4. #4
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    Default Re: Kernel panic upon zypper dup'ing

    Alright, I managed to complete a botched dup (I don't know why it was botched, but I fear a power issue) and while I could update rather well, and rebuild the rpm database, I still cannot log into the DE. Related or not, it seems apparmor is having problems with loading profiles:
    (1518278266.439:2):apparmor=" STATUS" operation="profile_load" profile="un confined" name="ping"
    (there are about 5 names)
    I was wondering if there's any way to fix that? Thanks in advance!

  5. #5
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    Default Re: Kernel panic upon zypper dup'ing

    Quote Originally Posted by Icearchery View Post
    ... I could update rather well, and rebuild the rpm database, I still cannot log into the DE. ...
    Not sure I can follow you; to rebuild the rpm database you need to be logged in, so what is it, "DE", where you can not log in to?

  6. #6
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    Default Re: Kernel panic upon zypper dup'ing

    I cannot run gdm nor load Gnome at all. When booting I get several apparmor error messages (the ones I previously mentioned). I can log into text mode, but not graphic mode. The graphic server doesn't seem to load, the screen keeps flickering and trying to type the root password to even reboot becomes next to impossible. I'm sorry if my typing is weird, I'm posting from the phone.
    Thanks in advance for any help you can provide!

  7. #7
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    Default Re: Kernel panic upon zypper dup'ing

    The default TW takes snapshots of the root partition before any zypper activity (and at time intervals). From the Grub scren you should be able to roll back to the system as it was just before the botched “zypper dup”.
    --
    slàinte mhath,
    rayH

    ~ knowing the right answer is easier than knowing the right question.

  8. #8
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    Default Re: Kernel panic upon zypper dup'ing

    Yes, indeed. But that doesn't work.

  9. #9
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    Default Re: Kernel panic upon zypper dup'ing

    Alright, I don't seem to find errors in the log files, except for apparmor related errors, but I don't seem to be able to regenerate the questioned profiles successfully. I still cannot log into the graphic mode. I did run systemctl status apparmor.service and it seems to be running fine, which is odd.
    I wonder what it could be that causes this ordeal.
    Initially I got several python related errors, but after re dupping they seemed to be corrected. I'm at a bit of a loss.
    Sorry for all the trouble.

  10. #10
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    Default Re: Kernel panic upon zypper dup'ing

    What video card are you using?
    Did you reinstall the drivers?

    The flickering at login can be caused when you do a `zypper dup`
    without first uninstalling the proprietary NVIDIA drivers (installed "the hard way").

    https://forums.opensuse.org/showthre...ers-constantly

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