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  • Re: Where to look into when system crashes

    From Felix Miata@21:1/5 to All on Wed Feb 22 08:10:02 2023
    Qiming Ye composed on 2023-02-22 12:34 (UTC+0800):

    I have a Debian box running for 280+ days without rebooting, recently it crashes
    pretty much everyday. Where should I look for the reason of crashing?

    If you're running Bullseye from that external HD, I'd suspect the external HD's power supply. Who made it? When? When was that HD made? How many hours are on it?
    smartctl -x /dev/sdb will report its power on hours.
    --
    Evolution as taught in public schools is, like religion,
    based on faith, not based on science.

    Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

    Felix Miata

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  • From Felix Miata@21:1/5 to All on Wed Feb 22 07:30:01 2023
    Qiming Ye composed on 2023-02-22 12:34 (UTC+0800):

    I have a Debian box running for 280+ days without rebooting, recently it crashes
    pretty much everyday. Where should I look for the reason of crashing?

    Which Debian is installed? When were updates last applied?

    When was its hardware made? What hardware is included?

    inxi -Faz

    would report.
    --
    Evolution as taught in public schools is, like religion,
    based on faith, not based on science.

    Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

    Felix Miata

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  • From Felix Miata@21:1/5 to All on Wed Feb 22 09:30:02 2023
    Qiming Ye composed on 2023-02-22 15:30 (UTC+0800):

    Actually /dev/sdb is an mSata drive. Here's output of smartctl:
    ...
    9 Power_On_Hours -O--C- 100 100 000 - 15975
    12 Power_Cycle_Count -O--C- 100 100 000 - 69

    Reasonably low use. I don't see a date of birth in the data.

    The laptop is 10 years old. Its power supply could be getting tired. Are you running it off house current when it crashes? Is the battery competent?

    What's on the other drive? Is it something you can't get to crash?

    Is the cooling path clean? Could something be overheating?
    --
    Evolution as taught in public schools is, like religion,
    based on faith, not based on science.

    Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

    Felix Miata

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  • From Max Nikulin@21:1/5 to Qiming Ye on Wed Feb 22 16:40:01 2023
    On 22/02/2023 11:34, Qiming Ye wrote:

    I have a Debian box running for 280+ days without rebooting, recently it crashes pretty much everyday.  Where should I look for the reason of crashing?

    sudo journalctl

    You may limit logs to specific boot by adding option like "--boot=-1".
    Scroll to end [G] or add "--end" flag to see last messages before crash, however it is better to pay some attention to all errors.

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  • From tomas@tuxteam.de@21:1/5 to Qiming Ye on Thu Feb 23 08:30:01 2023
    On Thu, Feb 23, 2023 at 01:41:42PM +0800, Qiming Ye wrote:
    We have found out it's problem of the current.

    You mean electrical current?

    Cheers
    --
    t

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