From: Patrick McHardy <kaber@trash.net>
To: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Cc: Jeff Chua <jeff.chua.linux@gmail.com>,
lkml <linux-kernel@vger.kernel.org>,
Krzysztof Piotr Oledzki <ole@ans.pl>,
"David S. Miller" <davem@davemloft.net>,
cups-bugs <cups-bugs@easysw.com>,
Netfilter Development Mailinglist
<netfilter-devel@vger.kernel.org>
Subject: Re: cups slow on linux-2.6.24
Date: Thu, 31 Jan 2008 19:53:57 +0100 [thread overview]
Message-ID: <47A21945.2050005@trash.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0801311136540.23769@blackhole.kfki.hu>
Jozsef Kadlecsik wrote:
> Hi Jeff,
>
> On Thu, 31 Jan 2008, Jeff Chua wrote:
>
>> On the bad run, I got the following message ...
>>
>> boston kernel: nf_ct_tcp: invalid packed ignored IN= OUT=
>> SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=8162
>> DF PROTO=TCP SPT=1016 DPT=515 SEQ=3834958843 ACK=0 WINDOW=32792
>> RES=0x00 SYN URGP=0 OPT (0204400C0402080A0000CC190000000001030307)
>> UID=0 GID=65534
>
> I can't find this packet in the last lo.bad pcap file. Could you dump the
> bad traffic and send it together with the generated log record?
>
> Strange, but there are a lot of incorrect checksum packets. How does it
> come on the loopback interface?
Loopback doesn't perform full checksumming, so thats expected.
Current kernel versions can tell userspace that its only a
partial checksum, but I'm not sure whether tcpdump already
supports this.
next prev parent reply other threads:[~2008-01-31 18:54 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.64.0801290635001.23096@boston.corp.fedex.com>
2008-01-28 22:56 ` cups slow on linux-2.6.24 Krzysztof Oledzki
[not found] ` <Pine.LNX.4.64.0801282348440.30640-2hlNpRK6mjE3b3fIMdp3XWZHpeb/A1Y/@public.gmane.org>
2008-01-28 23:55 ` Jeff Chua
[not found] ` <Pine.LNX.4.64.0801290855360.19273@blackhole.kfki.hu>
[not found] ` <b6a2187b0801291924k15f883aeg54f704156e4f2e3e@mail.gmail.com>
2008-01-30 13:47 ` Patrick McHardy
2008-01-31 2:23 ` Jeff Chua
[not found] ` <b6a2187b0801301823m331957e9n9d9bb9613622c844-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-31 2:26 ` Jeff Chua
2008-01-31 2:41 ` Patrick McHardy
[not found] ` <47A13573.7090804-dcUjhNyLwpNeoWH0uzbU5w@public.gmane.org>
2008-01-31 3:21 ` Jeff Chua
[not found] ` <b6a2187b0801301921s4a7842cg6cfec09a393cd63-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-31 3:25 ` Patrick McHardy
2008-01-31 5:01 ` Jeff Chua
[not found] ` <b6a2187b0801302101l46d614c9y53f798a025b57dc3-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-31 10:40 ` Jozsef Kadlecsik
2008-01-31 18:53 ` Patrick McHardy [this message]
2008-02-01 0:47 ` David Newall
2008-02-01 2:12 ` David Miller
2008-02-01 6:07 ` David Newall
2008-02-01 6:10 ` Patrick McHardy
2008-02-01 5:28 ` Jeff Chua
2008-02-02 14:44 ` Jozsef Kadlecsik
2008-02-03 16:08 ` Jeff Chua
2008-01-31 2:31 ` Jeff Chua
[not found] <Pine.LNX.4.64.0802042226340.28805@boston.corp.fedex.com>
[not found] ` <Pine.LNX.4.64.0802042226340.28805-2K9XAwmnW1wYQUuIRqa960M9+F4ksjoh@public.gmane.org>
2008-02-04 20:17 ` Jozsef Kadlecsik
2008-02-05 1:17 Jeff Chua
[not found] ` <Pine.LNX.4.64.0802050913560.6704-2K9XAwmnW1wYQUuIRqa960M9+F4ksjoh@public.gmane.org>
2008-02-05 8:16 ` Jozsef Kadlecsik
2008-02-05 13:47 ` Patrick McHardy
-- strict thread matches above, loose matches on Subject: below --
2008-02-10 15:06 Jeff Chua
[not found] ` <Pine.LNX.4.64.0802102257420.14442-2K9XAwmnW1wYQUuIRqa960M9+F4ksjoh@public.gmane.org>
2008-02-14 15:02 ` Jozsef Kadlecsik
2008-02-14 22:50 ` David Miller
2008-02-15 1:44 ` Patrick McHardy
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