linux-kernel - Re: cups slow on linux-2.6.24

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Date:	Fri, 1 Feb 2008 13:28:34 +0800
From:	"Jeff Chua" <jeff.chua.linux@...il.com>
To:	"Jozsef Kadlecsik" <kadlec@...ckhole.kfki.hu>
Cc:	"Patrick McHardy" <kaber@...sh.net>,
	lkml <linux-kernel@...r.kernel.org>,
	"Krzysztof Piotr Oledzki" <ole@....pl>,
	"David S. Miller" <davem@...emloft.net>,
	cups-bugs <cups-bugs@...ysw.com>,
	"Netfilter Development Mailinglist" <netfilter-devel@...r.kernel.org>
Subject: Re: cups slow on linux-2.6.24

On Jan 31, 2008 6:40 PM, Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu> 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?


I recaptured it again, and attached are the logs.

The first hang is at (from tcpdump)

13:15:42.330162 IP localhost.corp.fedex.com.1021 >
localhost.corp.fedex.com.printer: S 668990751:668990751(0) win 32792
<mss 16396,sackOK,timestamp 4294925792 0,nop,wscale 3>

Corresponding to dmesg ...

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=41215 DF PROTO=TCP SPT=1021
DPT=515 SEQ=668990751 ACK=0 WINDOW=32792 RES=0x00 SYN URGP=0 OPT
(0204400C0402080AFFFF5DE00000000001030303) UID=0 GID=65534


Thanks,
Jeff.

Download attachment "dump1" of type "application/octet-stream" (210129 bytes)

Download attachment "dmesg1" of type "application/octet-stream" (3420 bytes)