Re: [RTnet-developers] RTnet hangs system when brought up with heavy traffic

[Anders B. <and...@co...>]

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