| Environment | Why it happens | |-------------|----------------| | | Some AI accelerators (e.g., from Cerebras, SambaNova) use lpro drivers to manage a private AIO ramdisk for fast checkpointing. | | Custom Embedded Linux | Low-profile initramfs drivers race to claim /dev/ram* devices before the brd (block RAM disk) module loads. | | High-Frequency Trading (HFT) | Low-latency systems use proprietary ramdisk drivers to bypass the page cache. The lpro module expects exclusive registration. | | Virtualization Hosts | KVM or Xen with PCI passthrough may remap ramdisk regions, causing registration conflicts. |
If lpro expects a generic block RAM disk, force-load brd before lpro . lpro aio ramdisk device not registered exclusive
If LPRO AIO continues to fail, other popular ramdisk tools used by the community include: Broque Ramdisk PRO: The lpro module expects exclusive registration
Some features are labeled "exclusive" because they require a premium or "Pro" registration rather than a free one. Troubleshoot Hardware/Software: Enable Test Mode: If LPRO AIO continues to fail, other popular