NVMEDevice: add log message to reminder potential failed reason

Signed-off-by: Haomai Wang <haomai@xsky.com>

diff --git a/src/os/bluestore/NVMEDevice.cc b/src/os/bluestore/NVMEDevice.cc
index 1b5a660154a4896e312fcaee19d278ade6ae7c70..1c96bdab9f28b96fcca8e23d2515b99b346b3d3c 100644 (file)
--- a/src/os/bluestore/NVMEDevice.cc
+++ b/src/os/bluestore/NVMEDevice.cc
@@ -211,7 +211,7 @@ int SharedDriverData::_scan_nvme_device(const string &sn_tag, nvme_controller **
     if (r < 0) {
       derr << __func__ << " device " << *name << " " << pci_dev->bus
            << ":" << pci_dev->dev << ":" << pci_dev->func
-           << " bind to uio driver failed" << dendl;
+           << " bind to uio driver failed, may lack of uio_pci_generic kernel module" << dendl;
       return r;
     }
   }