Re: DMA queue overflow

2009-07-30 Thread Francesco Gringoli
On Jul 30, 2009, at 11:55 PM, Michael Buesch wrote: > On Thursday 30 July 2009 23:54:17 Francesco Gringoli wrote: >> many thanks. I will surely look into that direction as soon as I get >> the boards. By the way: I never worked with mini-pci-e and I don't >> even have a desktop PC with that bus, s

Re: DMA queue overflow

2009-07-30 Thread Michael Buesch
On Thursday 30 July 2009 23:54:17 Francesco Gringoli wrote: > many thanks. I will surely look into that direction as soon as I get > the boards. By the way: I never worked with mini-pci-e and I don't > even have a desktop PC with that bus, so I plan to get some newer > desktop around in my de

Re: DMA queue overflow

2009-07-30 Thread Francesco Gringoli
On Jul 30, 2009, at 9:02 PM, Larry Finger wrote: > Francesco, > >> skb=NULL somehow smells like a double-free caused by a double-report >> or something like that. > > Based on what Michael said about a double-free, I changed from > "meta->skb = NULL" to "meta->skb = 0x0606060606060606", and chang

Re: DMA queue overflow

2009-07-30 Thread Michael Buesch
On Thursday 30 July 2009 04:10:32 Larry Finger wrote: > Francesco Gringoli wrote: > > > > is this stuff related in some way to the error triggered by the > > opensource firmware? What happens with your patch? > > Using the same test with tcpperf running on one console and a flood > ping on a seco