8000 Check for driver before launching cli. · Issue #73 · Gnarus-G/maccel · GitHub

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Check for driver before launching cli. #73

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pxlsec opened this issue Mar 14, 2025 · 0 comments

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pxlsec commented

•

Currently, if the cli fails to connect to the driver at launch it will give this error:

❯ maccel

thread 'main' panicked at crates/core/src/params.rs:243:18:
Failed to set kernel param to change modes: failed to write to parameter file: /sys/module/maccel/parameters/MODE

Caused by:
    Permission denied (os error 13)
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

It would be nice if we checked it when launching the cli and send a more user friendly message when it fails:

❯ maccel

Failed to comunicate with driver;
-- Make sure that the driver is installed 'modprobe maccel'.
-- Make sure that the user is in the maccel group 'usermod -aG maccel $USER'.

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