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cuda: fix check for GPU device availability #2510

Merged
merged 1 commit into from
Nov 12, 2024
Merged

cuda: fix check for GPU device availability #2510

merged 1 commit into from
Nov 12, 2024

Commits on Nov 10, 2024

  1. cuda: fix check for GPU device availability 

    The check for `/dev/nvidiactl` to determine if the CUDA plugin can be
used is unreliable because in some cases the default path for driver
installation is different [1]. This patch changes the logic to check
if a GPU device is available in `/proc/driver/nvidia/gpus/`. This
approach is similar to `torch.cuda.is_available()` and it is a more
accurate indicator.

The subsequent check for support of the `cuda-checkpoint --action`
option would confirm if the driver supports checkpoint/restore.

[1] https://github.com/NVIDIA/gpu-operator

Fixes: checkpoint-restore#2509

Signed-off-by: Radostin Stoyanov <[email protected]>
    @rst0git
    rst0git committed Nov 10, 2024
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