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-rw-r--r--docs/pvrdma.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/pvrdma.txt b/docs/pvrdma.txt
index 5175251..8195937 100644
--- a/docs/pvrdma.txt
+++ b/docs/pvrdma.txt
@@ -99,6 +99,9 @@ MAD layer to send and receive RDMA-CM MAD packets.
To build rdmacm-mux run
# make rdmacm-mux
+Before running the rdmacm-mux make sure that both ib_cm and rdma_cm kernel
+modules aren't loaded, otherwise the rdmacm-mux service will fail to start.
+
The application accepts 3 command line arguments and exposes a UNIX socket
to pass control and data to it.
-d rdma-device-name Name of RDMA device to register with