Re: bad TSO performance in 2.6.9-rc2-BK

[John Heffner <jheffner@xxxxxxx>]

On Wed, 29 Sep 2004, Andi Kleen wrote:

> I tried to re-test it but I didn't get very far because the kernel
> with your patch crashes regularly during netperf. No serial console,
> but the backtrace is {tcp_ack+877} {tcp_rcv_established+350} ...
> Before that there are a few "retrans out leaked" messages.

I just tried to re-create this situation, and I got the same problem.
Latest bk tree with dave's 5 patches, gcc 3.3.4, uni-processor p4/e1000 to
a slow-ish p3/sk98lin (dual-cpu but with maxcpus=1).

  -John