From: Florian Westphal <fw@strlen.de>
To: "Toralf Förster" <toralf.foerster@gmx.de>
Cc: Florian Westphal <fw@strlen.de>,
netfilter-devel@vger.kernel.org,
Linux Kernel <linux-kernel@vger.kernel.org>,
Pablo Neira Ayuso <pablo@netfilter.org>,
kaber@trash.net, Marcelo Leitner <mleitner@redhat.com>
Subject: Re: nf_conntrack: falling back to vmalloc.
Date: Fri, 17 Jul 2015 17:02:08 +0200 [thread overview]
Message-ID: <20150717150208.GO25674@breakpoint.cc> (raw)
In-Reply-To: <55A9125E.2080807@gmx.de>
Toralf Förster <toralf.foerster@gmx.de> wrote:
> On 07/17/2015 12:10 PM, Florian Westphal wrote:
> > Do you run containers?
>
> No, I just run 4 Gentoo chroot images in parallel - but I do that since autumn last year.
>
> Unfortunately I cannot see any correlation to an os/sw upgrade or a config change which could cause these messages nowadays to be appear.
> Therefore I do wonder if some network related "traffic" causes this, b/c that box acts as a Tor exit relay too.
No, I see no way how this would happen in response to network traffic.
A conntrack hash table is only allocated on network namespace creation, or when
a resize happens (someone changing /sys/module/nf_conntrack/parameters/hashsize).
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WARNING: multiple messages have this Message-ID (diff)
From: Florian Westphal <fw@strlen.de>
To: "Toralf Förster" <toralf.foerster@gmx.de>
Cc: Florian Westphal <fw@strlen.de>,
netfilter-devel@vger.kernel.org,
Linux Kernel <linux-kernel@vger.kernel.org>,
Pablo Neira Ayuso <pablo@netfilter.org>,
kaber@trash.net, Marcelo Leitner <mleitner@redhat.com>
Subject: Re: nf_conntrack: falling back to vmalloc.
Date: Fri, 17 Jul 2015 17:02:08 +0200 [thread overview]
Message-ID: <20150717150208.GO25674@breakpoint.cc> (raw)
In-Reply-To: <55A9125E.2080807@gmx.de>
Toralf Förster <toralf.foerster@gmx.de> wrote:
> On 07/17/2015 12:10 PM, Florian Westphal wrote:
> > Do you run containers?
>
> No, I just run 4 Gentoo chroot images in parallel - but I do that since autumn last year.
>
> Unfortunately I cannot see any correlation to an os/sw upgrade or a config change which could cause these messages nowadays to be appear.
> Therefore I do wonder if some network related "traffic" causes this, b/c that box acts as a Tor exit relay too.
No, I see no way how this would happen in response to network traffic.
A conntrack hash table is only allocated on network namespace creation, or when
a resize happens (someone changing /sys/module/nf_conntrack/parameters/hashsize).
next prev parent reply other threads:[~2015-07-17 15:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-17 9:00 nf_conntrack: falling back to vmalloc Toralf Förster
2015-07-17 10:10 ` Florian Westphal
2015-07-17 10:10 ` Florian Westphal
2015-07-17 14:34 ` Toralf Förster
2015-07-17 15:02 ` Florian Westphal [this message]
2015-07-17 15:02 ` Florian Westphal
2015-07-23 10:45 ` Pablo Neira Ayuso
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