Messages in this thread | | | Date | Thu, 2 Jul 2009 11:43:46 +0000 | From | Jarek Poplawski <> | Subject | Re: Soft-Lockup/Race in networking in 2.6.31-rc1+195 (possibly caused by netem) |
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On Thu, Jul 02, 2009 at 01:11:56PM +0200, Andres Freund wrote: > On 07/02/2009 12:12 PM, Jarek Poplawski wrote: >> On Thu, Jul 02, 2009 at 09:30:31AM +0000, Jarek Poplawski wrote: >>> On Thu, Jul 02, 2009 at 02:37:24AM +0200, Andres Freund wrote: >>> ... >>>> So I tried - and I did not catch any lockdep output before the crash. >>>> Unfortunately I do not have another machine on the same local network to >>>> catch any messages after the crash... So I could be missing some warning >>>> (I did synchronous logging though). >>>> Will check with netconsole tomorrow. >>> >>> Could you try if this patch changes anything? >> >> ...and maybe CONFIG_PACKET_MMAP turned off. > Ok. Removed the skb_orphan and turned of CONFIG_PACKET_MMAP. Seemingly > the same game. > I now had another computer to catch the netconsole output. Still no > lockdep warnings. > > Unfortunately the other computer was a windows machine with its strange > terminal, so long lines are wrapped at 80cols, but that shouldn't be too > bad.
It's very nice ;-) Alas we can see here only one side, so there is still some searching needed. I hope I'll be able to reproduce this later.
Thanks for your work Andres, Jarek P.
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