On Mon, 2012-03-19 at 17:50 +0000, Haiyang Zhang wrote: > As in my previous reply to Eric -- > We actually stop queue when the ring buffer is busy, see the code in netvsc.c > > I have tested with one CPU. After NETDEV_TX_BUSY is returned, the Linux guest OS > continues to respond without any problem. Then something is wrong somewhere. Dont hide a bug adding a trick. If you ever return NETDEV_TX_BUSY from start_xmit(), then you MUST call netif_tx_stop_queue() as well right before. I believe I already told this before... _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
