Regarding tx-nocache-copy in the Sheevaplug

Lluís Batlle i Rossell viric at viric.name
Mon Oct 13 08:48:07 PDT 2014


On Mon, Oct 13, 2014 at 07:49:19AM -0700, Eric Dumazet wrote:
> On Mon, 2014-10-13 at 16:31 +0200, Lluís Batlle i Rossell wrote:
> > Enabling tx offload and disabling tx-nocache-copy, making the machine *send* a
> > lot of ssh traffic (sftp for example) makes ssh fail HMAC. It's quite easy to
> > reproduce here.
> > 
> > As for the hardware, it's an old sheevaplug board.
> 
> 
> Have you tried disabling TSO only, and are you using the latest kernel ?
> 
> Ezequiel Garcia added lot of changes recently.
> 
> 

Is TSO TCP segmentation offload? It's disabled. The kernel is 3.16.3 (debian).
https://packages.debian.org/testing/kernel/linux-image-3.16-2-kirkwood




More information about the linux-arm-kernel mailing list