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Problematic computer

I have been using a company computer running Ubuntu 22.04. There are frequent and unexplained problems, like segmentation faults, stack errors, files disappearing, computer freezing or not booting, or turning off immediately after I turn it on. I don’t know what to do. The IT staff came to my office to check the computer and said “it was all good.” I am not allowed to boot from a USB stick or enter BIOS or open the case. I ran a command line memory check several times with no errors. There is an NVIDIA card, but it’s running X.org and usually headless. I mostly set up tasks via SSH.

What would you do?

absGeekNZ ,
@absGeekNZ@lemmy.nz avatar

I was having a lot of random crashes and weird errors on my Mint install, using the logs, I tracked it down to a SSD fault.

I really didn’t want to send it back, since I got it from Amazon and I’m in NZ… So after a bit of checking I found that the FW on the SSD was not the latest. Updated the FW, went from at least 1 crash per workday, to no crashes in the last 6 months.

My SSD is a WD SN850X 4TB

TimeSquirrel ,
@TimeSquirrel@kbin.melroy.org avatar

Segmentation and stack errors are most certainly bad memory, I'm 99% sure of it, reboot and run mem test from GRUB if you have the option. The "stack" is the non-dynamically allocated space your program is assigned to run in. Stack errors mean some pointers somewhere are likely getting corrupted and it's trying to access addresses beyond what it's allowed to access.

LogarithmicCamel OP ,

I can’t run memtest unfortunately. The option isn’t there and I don’t have permission to boot from a USB stick.

avidamoeba ,
@avidamoeba@lemmy.ca avatar

If you have root you could theoretically add Memtest86+ to the boot order. There’s tools that allow adding boot entries in EFI. You could probably place a Memtest86+ binary in your EFI partition and register it with the EFI firmware. But I’m not suggesting to do it since you could make the machine unbootable and the problem might be on the storage path. I’m just thinking of should be possible.

LogarithmicCamel OP ,

I can sudo. Last time I looked into this, Memtest86+ version 6 was required to work with UEFI but it wasn’t available for Ubuntu 22.04. Now it seems that 24.04 has it, so I might update and see if I can get the test running. Thanks for the suggestion!

avidamoeba ,
@avidamoeba@lemmy.ca avatar

You can get the binary from the project’s website. Still not suggesting to f around with it.

dgriffith ,

They should be able to put memtest on the boot partition and then break to an EFI shell on boot and Ioad it manually.

There will be a bit of swearing and googling required but it’s doable in a way that doesn’t mess with the current boot arrangement.

exu ,

You could download stressapptest and run that memory benchmark in the normal system.

I’m not sure how well the current version of Memtest does, but when I was overclocking I was told not to use it as it couldn’t reliably get memory to crash. (Funny problem to have). The two recommended tools are Windows only, so I found stressapptest as the best alternative.

LogarithmicCamel OP ,

I did run a similar test and there were no errors detected. Thanks anyway!

ExtremeDullard ,
@ExtremeDullard@lemmy.sdf.org avatar

deleted_by_author

    •
    LogarithmicCamel OP ,

    It wouldn’t affect boot though.

    cyborganism ,

    I’ve been running Linux on Nvidia graphics for 24 years. It’s never been an issue.

    ExtremeDullard ,
    @ExtremeDullard@lemmy.sdf.org avatar

    deleted_by_author

    •
    prole ,

    Aren’t those, like, the only two brands of GPU?

    Hawke ,

    There’s intel as well. Probably a few other small players. Is Matrox still around?

    avidamoeba ,
    @avidamoeba@lemmy.ca avatar

    Most machines I owned that had kernel panics had either an NVIDIA or an AMD GPU graphics adapter, along with bad memory.

    FTFY

    just_another_person ,

    Bad memory or storage

    BearOfaTime ,

    Find a new company? 😆

    LogarithmicCamel OP ,

    I do have an interview scheduled, just saying…

    Strit ,
    @Strit@lemmy.linuxuserspace.show avatar

    As it’s running Ubuntu you could provide your IT department with the logs from the crashes, so they can see there is a problem.

    If they provided the Ubuntu install it’s their job to support it.

    LogarithmicCamel OP ,

    That’s a good idea. If I can get it to boot today, I will check the logs, thanks!

    NegativeLookBehind ,
    @NegativeLookBehind@lemmy.world avatar

    Do you have a way to reproduce the problem so IT can see it? Have you taken screenshots (or just pictures with your phone) of the problem if it’s hard to reproduce?

    LogarithmicCamel OP ,

    It’s not hard to reproduce, but it’s annoying that when they finally came here to check it, no problems happened. I had to bug them so much to even get them to have a look.

    connaisseur ,

    Have a smartphone ready and record a video clip when/if it happens again.

    LogarithmicCamel OP ,

    I just did that! Brilliant idea, thanks!

    GolfNovemberUniform ,
    @GolfNovemberUniform@lemmy.ml avatar

    Sounds like it has a faulty HDD/SSD

    infeeeee ,

    Ram and sata cable faults have similar symptons as well.

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