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 off
Yes, that makes an unresponsive system responsive again immediately, nice!
Should the driver default to disabling this until we problem is corrected?
-stephen
Both 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: off
seems to indicate that tso is also disabled by this - does that sound
correct?
-stephen
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