X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fsample_app_ug%2Fvhost.rst;h=b7ed4f8bdf76b387dca88ba3aaa80eb1dea06fc9;hb=d7e66b69ddc947a1263e8d489483a5bd7c7aa6b5;hp=fd42cb3f77f8753bb8b96ef260ba5b039d729ba8;hpb=cc9ecbb48ee3a8fb80df6c470141260df3eacec0;p=dpdk.git

diff --git a/doc/guides/sample_app_ug/vhost.rst b/doc/guides/sample_app_ug/vhost.rst
index fd42cb3f77..b7ed4f8bdf 100644
--- a/doc/guides/sample_app_ug/vhost.rst
+++ b/doc/guides/sample_app_ug/vhost.rst
@@ -78,7 +78,7 @@ could be done by:
 .. code-block:: console
 
    modprobe uio_pci_generic
-   $RTE_SDK/usertools/dpdk-devbind.py -b=uio_pci_generic 0000:00:04.0
+   $RTE_SDK/usertools/dpdk-devbind.py -b uio_pci_generic 0000:00:04.0
 
 Then start testpmd for packet forwarding testing.
 
@@ -116,7 +116,7 @@ will create it. Put simply, it's the server to create the socket file.
 The vm2vm parameter sets the mode of packet switching between guests in
 the host.
 
-- 0 disables vm2vm, impling that VM's packets will always go to the NIC port.
+- 0 disables vm2vm, implying that VM's packets will always go to the NIC port.
 - 1 means a normal mac lookup packet routing.
 - 2 means hardware mode packet forwarding between guests, it allows packets
   go to the NIC port, hardware L2 switch will determine which guest the
@@ -148,7 +148,7 @@ default value is 15.
 
 **--dequeue-zero-copy**
 Dequeue zero copy will be enabled when this option is given. it is worth to
-note that if NIC is binded to driver with iommu enabled, dequeue zero copy
+note that if NIC is bound to driver with iommu enabled, dequeue zero copy
 cannot work at VM2NIC mode (vm2vm=0) due to currently we don't setup iommu
 dma mapping for guest memory.
 
@@ -201,3 +201,10 @@ Common Issues
 
   QEMU vhost net device start will fail if protocol feature is not negotiated.
   DPDK virtio-user pmd can be the replacement of QEMU.
+
+* Device start fails when enabling "builtin-net-driver" without memory
+  pre-allocation
+
+  The builtin example doesn't support dynamic memory allocation. When vhost
+  backend enables "builtin-net-driver", "--socket-mem" option should be
+  added at virtio-user pmd side as a startup item.