Re: [RTnet-developers] RTnet hangs system when brought up with heavy traffic
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From: Anders B. <and...@co...> - 2010-12-07 17:41:50
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On 12/07/2010 06:35 PM, Jan Kiszka wrote: > Am 07.12.2010 18:21, Anders Blomdell wrote: >> If I do 'rtifconfig rteth0 up' on a network with heavy broadcast traffic >> (which I later intend to catch/throw away), the system does a hard >> lockup after a few lines like these: >> >> 'RTnet: no one cared for packet with layer 3 protocol type ...' >> >> I would humbly suggest something like the attached patch. > > Rate-limiting this warning makes sense as RTnet is also used in soft-RT > scenarios on open networks. > > But I would prefer having some rtdm_printk_ratelimted similar to what > Linux provides. That means: extend RTDM this way and then use it here. > Yeah, a bit more work. Would you look into this? Probably not before early next year since I have a pressing deadline and have spent more time than expected to chase bugs. After that (or if I find some idle time while waiting for compilations), yes. /Anders -- Anders Blomdell Email: and...@co... Department of Automatic Control Lund University Phone: +46 46 222 4625 P.O. Box 118 Fax: +46 46 138118 SE-221 00 Lund, Sweden |