Date: Wed, 29 Feb 2012 20:30:38 +0700 From: "~Lst" <slackbie@gmail.com> To: =?ISO-8859-2?Q?=A3ukasz_W=B1sikowski?= <lukasz@wasikowski.net> Cc: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, stable@freebsd.org, current@freebsd.org, Arnaud Lacombe <lacombar@gmail.com>, Alexander Leidinger <Alexander@leidinger.net> Subject: Re: [CFT] modular kernel config Message-ID: <CAJMUr61ho2=O2B8phvdL70rhJOR9mHDjyQNNuWztXeJDnh%2BgrQ@mail.gmail.com> In-Reply-To: <4F4D4D88.8040500@wasikowski.net> References: <20120221143537.Horde.deyFDZjmRSRPQ52pxBIpnLA@webmail.leidinger.net> <BA7FFA2D-DEE6-4FB7-AE26-0BC79CBFD8C0@lists.zabbadoz.net> <4F4BA707.5070608@wasikowski.net> <CACqU3MVkD2%2BqVk9MOjU24tRY-j2CAhOv7AUbuACZYEww0Ve33A@mail.gmail.com> <4F4D3476.7070803@wasikowski.net> <CACqU3MV5OjCj%2BpVh1_nKe8OKb7NrNZm0oNY4pLgWur%2Bt1nqXOQ@mail.gmail.com> <4F4D4D88.8040500@wasikowski.net>
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2012/2/29 =A3ukasz W=B1sikowski <lukasz@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 flowtabl= e >>> 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 ide= a >>> 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. Rgds, -- Lasta Yani
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