Donald Becker wrote: > Normally the driver starts with a conservative Tx threshold value, > and increases it with every underrun. You can modify the initial > value to store-and-forward by setting the initial threshold value to > be a full packet. We have observed that the problem occured only 5 times in several days, resulting in 5 increments of the Tx threshold to reach 384 bytes. So we have taken a margin and modified the initial value to 512 bytes. This seems to work properly. Fabien - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html