// After (fixed) static int lpro_probe(struct platform_device *pdev) // ... allocate ramdisk ... ret = device_register(&lpro_device); if (ret) dev_err(&pdev->dev, "Failed to register device\n"); return ret;
sudo dracut --force --add-drivers "lpro_core aio_ramdisk" In /etc/mkinitcpio.conf , add lpro_core and aio_ramdisk to the MODULES=() array, then run: lpro aio ramdisk device not registered better
lpro.mem=256M # Allocate 256 MB for LPRO ramdisk aio=legacy # Use legacy AIO (if supported) memmap=128M$0x2000000 # Reserve contiguous memory For GRUB, edit /etc/default/grub and add to GRUB_CMDLINE_LINUX_DEFAULT , then run sudo update-grub . Older kernels (before 5.4) had spotty AIO ramdisk support, especially for custom drivers. Upgrade to a newer long-term support (LTS) kernel: Older kernels (before 5
// Before (buggy) static int lpro_probe(struct platform_device *pdev) // ... allocate ramdisk ... // Missing: device registration return 0; // Missing: device registration return 0; Last updated:
Last updated: May 2026 – Compatible with Linux kernels 5.4 through 6.12.
lsmod | grep -i lpro lsmod | grep -i aio_ramdisk If nothing appears, load the module manually: