Eric Dumazet wrote:
Le mardi 13 avril 2010 à 11:03 +0100, stephen mulcahy a écrit :Eric Dumazet wrote:OK it seems forcedeth has problem with checksums ? Try to change "ethtool -k eth0" settings ? ethtool -K eth0 tso off tx offYes, that makes an unresponsive system responsive again immediately, nice! Should the driver default to disabling this until we problem is corrected? -stephenBoth flags need to be disabled, or only one is OK ?
ethtool -K eth0 tx off fixes the problem (without tso) but running ethtool -k eth0 Offload parameters for eth0: rx-checksumming: on tx-checksumming: off scatter-gather: off tcp-segmentation-offload: off udp-fragmentation-offload: off generic-segmentation-offload: on generic-receive-offload: off large-receive-offload: offseems to indicate that tso is also disabled by this - does that sound correct?
-stephen