Add memory pre-allocation note for vhost example when enabling "builtin-net-driver".
Signed-off-by: Xuan Ding <[email protected]> --- v2: * Modified expression in doc to make it more accurate. --- doc/guides/sample_app_ug/vhost.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/guides/sample_app_ug/vhost.rst b/doc/guides/sample_app_ug/vhost.rst index a71ada654..b7ed4f8bd 100644 --- a/doc/guides/sample_app_ug/vhost.rst +++ b/doc/guides/sample_app_ug/vhost.rst @@ -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. -- 2.17.1
