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Add troubleshooting for crash when unloading modules #140

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Add troubleshooting for crash when unloading modules #140

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6 changes: 6 additions & 0 deletions README.md
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Expand Up @@ -106,6 +106,12 @@ To fix, you can change the DPI settings in `~/.Xresources (~/.Xdefaults)` file b
Xft.dpi: 192
```

### `nvidia-xrun` fails to unload modules

This can happen if you switch between tty sessions while nvidia-xrun is active. Usually switching to another tty, running `nvidia-xrun` and closing it without switching to another tty should exit gracefully.

If you currently have such an issue, you can avoid restarting the system by logging out of all X sessions (perhaps `sudo systemctl restart gdm` or whatever) and then manually unloading the modules and turning off GPU.

### `nouveau` driver conflict
`nouveau` driver should be automatically blacklisted by `nvidia` but in case it is not, `nvidia` might not get access to GPU. Then you need to manually blacklist `nouveau` following Arch wiki https://wiki.archlinux.org/index.php/kernel_modules#Blacklisting.

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