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Date: Mon, 26 May 2008 16:17:13 +0200 From: Ingo Molnar <mingo@...e.hu> To: Ilpo J?rvinen <ilpo.jarvinen@...sinki.fi> Cc: LKML <linux-kernel@...r.kernel.org>, Netdev <netdev@...r.kernel.org>, "David S. Miller" <davem@...emloft.net>, "Rafael J. Wysocki" <rjw@...k.pl>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [bug] stuck localhost TCP connections, v2.6.26-rc3+ * Ingo Molnar <mingo@...e.hu> wrote: > i also ran this for 15 minutes: > > [root@...ope ~]# tcpdump src and dst 10.0.1.15 -n > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes > > but there was no output at all - i.e. TCP has not attempted to do > anything to these connections. ... which is not surprising as it traced eth0 ;-) [10.0.1.15 is the IP of the box and routes back to loopback] with the proper tcpdump it gave: [root@...ope ~]# tcpdump -i lo tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on lo, link-type EN10MB (Ethernet), capture size 96 bytes 16:15:05.260000 IP europe.37198 > europe.distcc: . ack 2022529163 win 257 <nop,nop,timestamp 209526 197526> 16:15:05.260000 IP europe.distcc > europe.37198: . ack 1 win 0 <nop,nop,timestamp 209526 7020> hm, a window of 257 and zero, is that right? Ingo -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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