Messages in this thread | | | Date | Tue, 31 Mar 2009 09:10:18 +0200 | From | Markus Trippelsdorf <> | Subject | Re: WARNING: at net/ipv4/tcp_input.c:2927 tcp_ack+0xd55/0x1991() |
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On Mon, Mar 30, 2009 at 09:52:55PM +0300, Ilpo Järvinen wrote: > On Mon, 30 Mar 2009, Markus Trippelsdorf wrote: > > > On Mon, Mar 30, 2009 at 07:01:22PM +0300, Ilpo Järvinen wrote: > > > On Sat, 28 Mar 2009, Markus Trippelsdorf wrote: > > > > On Sat, Mar 28, 2009 at 10:29:58AM +0200, Ilpo Järvinen wrote: > > > > > > ...And, let me guess, you're in X and therefore unable to catch a final > > > oops if any would be printed? It would be nice to get around that as well, > > > either use serial/netconsole or hang in text mode while waiting for the > > > crash (should be too hard if you are able to setup the workload first > > > and then switch away from X and if reproducing takes about an hour)... > > > > OK, I will try this later. > > Lets hope that gives some clue where it ends up going boom (if it is > caused by TCP we certainly should see something more sensible in console > than just a hang)... ...I once again read through tcp commits but just > cannot find anything that could cause fackets_out miscount, not to speak > of crash prone changes so we'll just have to wait and see...
The machine hanged again this night and I took two pictures: http://www.mypicx.com/uploadimg/1055813374_03302009_2.jpg http://www.mypicx.com/uploadimg/1543678904_03302009_1.jpg
But this time there was no tcp related warning in the logs.
I then pulled the lateset git changes, rebuild, rebooted and setup the workload again. The machine was still up and running in the morning (~4 hours uptime). So it may well be that the issue was fixed with the latest changes. If it ever occurs again I will notify you.
Thanks for your assistance so far,
-- Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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