Date: Thu, 9 Apr 2009 16:23:09 +0900 From: Pyun YongHyeon <pyunyh@gmail.com> To: Bjoern Koenig <bkoenig@alpha-tierchen.de> Cc: stable@freebsd.org Subject: Re: fxp: stalled transfers Message-ID: <20090409072309.GF37714@michelle.cdnetworks.co.kr> In-Reply-To: <2f68678165f20f2e1dae10cb0e63761d.squirrel@webmail.alpha-tierchen.de> References: <70ba25e4f1a5e43ab8d99b361235dda2.squirrel@webmail.alpha-tierchen.de> <20090409000427.GD37714@michelle.cdnetworks.co.kr> <2f68678165f20f2e1dae10cb0e63761d.squirrel@webmail.alpha-tierchen.de>
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On Thu, Apr 09, 2009 at 09:15:12AM +0200, Bjoern Koenig wrote:
> pyunyh@gmail.com wrote:
>
> > Could you disable TSO and try again?('ifconfig fxp0 -tso' will do
> > the job).
>
> Yes, disabling TSO helps. That's a reasonable workaround for me. Thanks.
>
> Let me know if you need further information in case you want to make
> changes to the fxp driver regarding this problem.
>
If you can easily reproduce the issue, can you capture stalled TCP
session with tcpdump on receiving host?(Make sure to disable Rx
checksum offload prior to capturing the session.)
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