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Thread: GPU has falled off the bus

  1. #1
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    Question GPU has falled off the bus

    Brand new computer (Ryzen 9 7900X3D / RTX 4090) built last month with Ubuntu 24 LTS.

    Has worked flawlessly for several weeks until this morning, fans are at maximum speed and the system is unresponsive.

    dmesg:

    Code:
    NVRM: GPU at PCI:0000:01:00: GPU-uuid
    NVRM: Xid (PCI:0000:01:00): 79, pid='<unknown>', name=<unknown>, GPU has fallen off the bus.
    NVRM: GPU 0000:01:00.0: GPU has fallen off the bus.
    NVRM: A GPU crash dump has been created. If possible, please run
                               NVRM: nvidia-bug-report.sh as root to collect this data before
                               NVRM: the NVIDIA kernel module is unloaded.
    nvidia-modeset: ERROR: GPU:0: Failed to query display engine channel state: 0x0000c67e:6:0:0x0000000f
    [drm:nv_drm_master_set [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000100] Failed to grab modeset ownership
    I can't run any command. I can't even issue a software reboot. I have to physically travel to the machine and press the reboot switch - unacceptable.

    Funny, I never had a single GPU-related issue in 8 years of running an AMD card. Switched to NVIDIA and I get this boggle.

    Edit: I updated the BIOS while building the PC and this sometimes happens when the card is not even at load (not a thermal issue).

    Thanks for reading.
    Last edited by currentshaft; June 9th, 2024 at 05:31 PM. Reason: additional context

  2. #2
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    Re: GPU has falled off the bus

    Do you know what GPU is in there? What, if any, drivers did you install for the GPU and where did you get them from? What kernel are you running?

  3. #3
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    Re: GPU has falled off the bus

    Quote Originally Posted by Autodave View Post
    Do you know what GPU is in there? What, if any, drivers did you install for the GPU and where did you get them from? What kernel are you running?
    Thanks for your reply. It's a Gigabyte RTX 4090 card. I did not install any drivers, only used whatever with came with Ubuntu 24, same for the kernel.

  4. #4
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    Re: GPU has falled off the bus

    If it's not a server the drivers help immensely
    Code:
    sudo dmesg -T | grep NVRM
    [Wed Jun 12 07:58:43 2024] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  555.52.04  Tue Jun  4 13:54:58 UTC 2024
    And with the "coolbits" added to your driver install, enables fan control and various power levels.
    ie:
    Code:
    nvidia-xconfig -a --cool-bits=<your-value-here> --allow-empty-initial-configuration
    EDIT: Also please have read: https://wiki.archlinux.org/title/NVIDIA/Tips_and_tricks
    Code:
    nvidia-smi -q -d TEMPERATURE
    
    ==============NVSMI LOG==============
    
    Timestamp                                 : Wed Jun 12 11:29:39 2024
    Driver Version                            : 555.52.04
    CUDA Version                              : 12.5
    
    Attached GPUs                             : 1
    GPU 00000000:01:00.0
        Temperature
            GPU Current Temp                  : 35 C
            GPU T.Limit Temp                  : N/A
            GPU Shutdown Temp                 : 100 C
            GPU Slowdown Temp                 : 97 C
            GPU Max Operating Temp            : 105 C
            GPU Target Temperature            : 87 C
            Memory Current Temp               : N/A
            Memory Max Operating Temp         : N/A
    Last edited by 1fallen; June 12th, 2024 at 06:31 PM. Reason: add to
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