netdev - Re: Linux 4.2.4

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Message-ID: <562DEE2F.6030809@wiesinger.com>
Date:	Mon, 26 Oct 2015 10:11:11 +0100
From:	Gerhard Wiesinger <lists@...singer.com>
To:	Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>
Cc:	Willy Tarreau <w@....eu>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	netfilter-devel@...r.kernel.org,
	Greg KH <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...r.kernel.org, lwn@....net,
	Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.2.4

On 26.10.2015 09:58, Jozsef Kadlecsik wrote:
> On Sun, 25 Oct 2015, Gerhard Wiesinger wrote:
>
>> Also any idea regarding the second isssue? Or do you think it has the
>> same root cause?
> Looking at your RedHat bugzilla report, the "nf_conntrack: table full,
> dropping packet" and "Alignment trap: not handling instruction" are two
> unrelated issues and the second one is triggered by the unaligned counter
> extension acccess in ipset, I'm investigating. I can't think of any reason
> how those issues could be related to each other.

Yes, they are unrelated.
Issue 1: nf_conntrack: table full, dropping packet => Fixed with 4.2.4
Issue 2: Alignment trap: not handling instruction => Happens when ipset 
counters are enabled

Please keep in mind it happens with IPv6 commands.

Currently 4.2.4 without ipset counters runs well.

Ciao,
Gerhard

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