[CFT] modular kernel config
slackbie at gmail.com
Wed Feb 29 13:30:39 UTC 2012
2012/2/29 Łukasz Wąsikowski <lukasz at wasikowski.net>:
> W dniu 2012-02-28 22:22, Arnaud Lacombe pisze:
>>>>> FLOWTABLE on 8.x crashed BGP routers (kern/144917).
>>>> no crash dump, no backtrace, no follow-up whatsoever after 1 year and
>>>> 2 years, what's your points ? You could really have chosen a better PR
>>>> to back up your argument...
>>> Sorry, but I don't want to bug trace this issue, simply because lack of
>>> time, resources and interest in this feature. I've run into this bug on
>>> production box, went through hell because of it and turned off flowtable
>>> which I do not use and not need. If this problem is still alive (it
>>> might be, the PR I've mentioned is still open) then it's not a good idea
>>> to turn on this feature by default. If you're interested in using this
>>> feature then feel free to debug and test.
>> Give me a deterministic way to reproduce the issue and I will.
> Enable FLOWTABLES in kernel and setup BGP4+ router (with net/quagga).
> You need three peers sending you full Internet routing table (3x400k
> prefixes). Some people got it with only two peers. After a short while
> your CPU should stuck in 100% busy.
> best regards,
> Lukasz Wasikowski
In my cased, I used OpenBGPD.
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