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

2007-11-14 Thread Tony Battersby
>> Do you want the test program I am using? It is a pretty basic >> send()/recv() program, ~650 lines of C. >> >> Tony >> >> > > Not really, iperf drives the problem fine. > > Thanks for the tip; I hadn't tried iperf before today. I can reproduce the problem with "iperf -s" on the system

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

2007-11-13 Thread Stephen Hemminger
On Tue, 13 Nov 2007 17:57:12 -0500 Tony Battersby <[EMAIL PROTECTED]> wrote: > Stephen Hemminger wrote: > > I can reproduce the problem under load with only a single port on 2.6.23. > > I haven't been able to reproduce it on 2.6.24-rc2 (latest) but that maybe > > because of either insufficient str

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

2007-11-13 Thread Tony Battersby
Stephen Hemminger wrote: > I can reproduce the problem under load with only a single port on 2.6.23. > I haven't been able to reproduce it on 2.6.24-rc2 (latest) but that maybe > because of either insufficient stress or another bug fix correcting the > problem. There is an issue with Yukon XL upda

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

2007-11-13 Thread Stephen Hemminger
On Tue, 13 Nov 2007 12:51:33 -0500 Tony Battersby <[EMAIL PROTECTED]> wrote: > I am getting "hw csum failure" messages with sky2. I have seen this > problem reported elsewhere with a fibre NIC, but I am using a copper > NIC. It seems to be triggered by SMP. It is easy to reproduce in > 2.6.23.

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

2007-11-13 Thread Tony Battersby
I am getting "hw csum failure" messages with sky2. I have seen this problem reported elsewhere with a fibre NIC, but I am using a copper NIC. It seems to be triggered by SMP. It is easy to reproduce in 2.6.23. 2.6.24-rc2-git3 still has the problem, but it happens less frequently. To reproduce