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Message-ID: <20120602171658.GA336@x4> Date: Sat, 2 Jun 2012 19:16:58 +0200 From: Markus Trippelsdorf <markus@...ppelsdorf.de> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Francois Romieu <romieu@...zoreil.com>, netdev@...r.kernel.org Subject: Re: Network hangs on current git kernel On 2012.06.02 at 18:34 +0200, Markus Trippelsdorf wrote: > On 2012.06.02 at 17:48 +0200, Eric Dumazet wrote: > > On Sat, 2012-06-02 at 13:23 +0200, Markus Trippelsdorf wrote: > > > On 2012.06.02 at 13:15 +0200, Eric Dumazet wrote: > > > > On Sat, 2012-06-02 at 12:57 +0200, Francois Romieu wrote: > > > > > Eric Dumazet <eric.dumazet@...il.com> : > > > > > > On Sat, 2012-06-02 at 10:25 +0200, Markus Trippelsdorf wrote: > > > > > [hang] > > > > > > Maybe tell us what NIC it is, that sort of things... > > > > > > > > > > As well as 'ip -s link' and complete dmesg from boot. > > > > > Kernel .config may be. > > > > > > > > yes, and "netstat -s" is always useful > > > > > > It's an ATL1E NIC. The kernel config is attached. > > > > Driver tx completion is buggy, but it should hang forever... > > > > If you ping your local gateway, you also have 'hangs' ? > > Will keep an eye on that. > After all this could well be just a buggy router, that broke in the last > few days by coincidence... And indeed it must be a buggy router: (all pings were collected in parallel) --- heise.de ping statistics --- 128 packets transmitted, 110 received, 14% packet loss, time 127232ms rtt min/avg/max/mdev = 21.684/23.611/49.691/3.211 ms --- 192.168.1.1 (local router) ping statistics --- 126 packets transmitted, 126 received, 0% packet loss, time 125004ms rtt min/avg/max/mdev = 0.095/0.222/0.336/0.060 ms --- localhost ping statistics --- 127 packets transmitted, 127 received, 0% packet loss, time 126001ms rtt min/avg/max/mdev = 0.009/0.029/0.065/0.011 ms Sorry for the noise! -- Markus -- 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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