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
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" Regards, Wolfram -- Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ |
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