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Re: BUG: sky2: hw csum failure with dual-port copper NIC on SMP

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From: Tony Battersby <tonyb@...>
To: Stephen Hemminger <shemminger@...>
Cc: <netdev@...>
Subject: Re: BUG: sky2: hw csum failure with dual-port copper NIC on SMP
Date: Wednesday, November 14, 2007 - 11:37 am

>> Do you want the test program I am using? It is a pretty basic

Thanks for the tip; I hadn't tried iperf before today.  I can reproduce
the problem with "iperf -s" on the system with the dual-port SysKonnect
NIC and "iperf -c host -t 120" on the two Intel PRO/1000 (e1000 driver)
client systems.  The problem doesn't seem to happen the other way around
though (running the server on the two Intel PRO/1000 systems and two
iperf clients on the SysKonnect system).  So the problem appears to be
triggered by recv() on the SysKonnect side but not send().

Tony

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Messages in current thread:
BUG: sky2: hw csum failure with dual-port copper NIC on SMP, Tony Battersby, (Tue Nov 13, 1:51 pm)
Re: BUG: sky2: hw csum failure with dual-port copper NIC on ..., Stephen Hemminger, (Tue Nov 13, 6:14 pm)
Re: BUG: sky2: hw csum failure with dual-port copper NIC on ..., Tony Battersby, (Tue Nov 13, 6:57 pm)
Re: BUG: sky2: hw csum failure with dual-port copper NIC on ..., Stephen Hemminger, (Tue Nov 13, 7:27 pm)
Re: BUG: sky2: hw csum failure with dual-port copper NIC on ..., Tony Battersby, (Wed Nov 14, 11:37 am)