Re: NetXen driver causing slab corruption in -RT kernels

2007-09-18 Thread Dhananjay Phadke
That "00 0e 1e ..." is netxen's mac address, so sounds like the NIC is dumping a frame in the skb already freed (and poisoned) by the stack. I suppose -RT kernels preempt the softirq, giving a chance for this race. The netxen driver doesn't seem to clear the mapped address of the skb in rx descrip

NetXen driver causing slab corruption in -RT kernels

2007-09-18 Thread Vernon Mauery
In doing some stress testing of the NetXen driver, I found that my machine was dying in all sorts of weird ways. I saw several different crashes, BUG messages in the TCP stack and some assert messages in the TCP stack as well. I really didn't think that there could be six different bugs all at