Re: sky2: tx hang on dual-port Yukon XL when rx csum disabled

2008-01-29 Thread Tony Battersby
Tony Battersby wrote: > "iperf -c 192.168.1.1" never finishes, but "iperf -c 192.168.2.1" does > finish. Press Ctrl-C to abort the hung iperf. Ping 192.168.1.1 does > not respond. Ping 192.168.2.1 does respond, but each ping has almost > exactly 1 second latency (the latency should be < 1 ms). >

Re: sky2: tx hang on dual-port Yukon XL when rx csum disabled

2008-01-28 Thread Tony Battersby
Brandeburg, Jesse wrote: > make sure to disable the default Linux arp behavior for this kind of > test on PC3 by* > [EMAIL PROTECTED] echo 1 > /proc/sys/net/ipv4/conf/all/arp_filter > [EMAIL PROTECTED] echo 1 > /proc/sys/net/ipv4/conf/eth0/arp_filter > [EMAIL PROTECTED] echo 1 > /proc/sys/net/ipv4/

RE: sky2: tx hang on dual-port Yukon XL when rx csum disabled

2008-01-28 Thread Brandeburg, Jesse
Tony Battersby wrote: > I am experiencing network tx hangs on a dual-port SK-9E22 with sky2 in > 2.6.24. The problem is triggered by both ports transmitting at high > speed simultaneously. This problem is 100% quickly reproducible. > Here is the setup: > > PC #1 with Intel PRO/1000 NIC: > e1000

Re: sky2: tx hang on dual-port Yukon XL when rx csum disabled

2008-01-28 Thread Tony Battersby
> What bus and chipset is in use on the systems with sky2? > I have seen problems when using PCI-X on AMD systems (documented in AMD > errata) > due to multiple outstanding transactions. Motherboard: SuperMicro PDSME Chipset: Intel E7230 Processor: Intel Pentium D 3.4 GHz (note: tried both SMP a

Re: sky2: tx hang on dual-port Yukon XL when rx csum disabled

2008-01-28 Thread Stephen Hemminger
On Mon, 28 Jan 2008 13:43:19 -0500 Tony Battersby <[EMAIL PROTECTED]> wrote: > I am experiencing network tx hangs on a dual-port SK-9E22 with sky2 in > 2.6.24. The problem is triggered by both ports transmitting at high > speed simultaneously. This problem is 100% quickly reproducible. Here > i