• Dr. Wesker@lemmy.sdf.org
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    2 months ago

    All the damn time. I typically use Linux, so having a process I can’t even force kill is a severely annoying concept.

    • henfredemars@infosec.pub
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      2 months ago

      This has happened to me only once on Linux. I still tell stories about it.

      It was a CD burning program stuck in uninterruptible sleep! Trapped in a system call into the kernel that can never be interrupted by a signal, it was truly unkillable. The SIGKILLs simply piled up never to be delivered.

      • Lost_My_Mind@lemmy.world
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        2 months ago

        THIS is your big “You won’t believe what happened to me…” story???

        sigh

        When I was 14, I took the power cord for the original PS1 and shaved the rubber off the end until metal prongs were sticking out. Then I noticed if the outlet end was plugged in, and you touched the metal prongs on the other end, you couldn’t drop it. It would electricute you, but it would also stick to your skin for 5-10 seconds as it electricuted you.

        So being a 14 year old male, I did the only logical thing. I put it on my penis.

        It was quite shocking!

        • henfredemars@infosec.pub
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          2 months ago

          In this case it was a driver holding that thread captive and making an assumption about the hardware eventually responding to a request which never completes.

          So yes indeed it was the kernel, and ideally the driver could be written better, but that’s probably easier said than done when the hardware can do weird things.

          This was a long time ago, so for all I know the issue has been long corrected.

    • laranis@lemmy.zip
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      2 months ago

      It honestly was the thing that pushed me to Linux. Once I could no longer kill programs at-will I couldn’t handle it. xkill ftw.

    • nickwitha_k (he/him)@lemmy.sdf.org
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      2 months ago

      Yeah… It doesn’t happen often and when it does, it’s usually a driver and/or hw issue that is likely to leak memory and/or hold file descriptors but procs in D (uninterruptible_sleep) state do happen. It’s really obnoxious that murdering them with SIGKILL does nothing.