Wolfram Sang wrote: > Hello Wolfgang, > >> I'm currently trying to implement NAPI for the FEC on the MPC5200 to >> solve the well known problem, that network packet storms can cause >> interrupt flooding, which may totally block the system. The NAPI
Just bombard the FEC with network packets. I use pktgen on the host and I could send you a script if you like. > That's great news. Do you happen to have a scenario which reliably triggers > the > problem? Then I could do some testing as well. I haven't seen this on our > boards for quite a while, but I'd like to verify. > >> - With 2.6.31-rc2, the RFIFO error occurs quickly which does reset the >> FEC and Bestcomm (unfortunately, this does trigger an oops because >> it's called from the interrupt context, but that's another issue). > > +1 for "error handling resets too much" Yes, and furthermore it's leaking skb's :-(. Wolfgang. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
