Re: PROBLEM: reproducible crash KVM+nf_conntrack all recent 2.6 kernels

From: Patrick McHardy
Date: Thu Jan 28 2010 - 07:19:38 EST

Jon Masters wrote:
> On Thu, 2010-01-28 at 00:46 -0500, Jon Masters wrote:
>> A number of people seem to have reported this crash in various forms,
>> but I have yet to see a solution, and can reproduce on 2.6.33-rc5 this
>> evening so I know it's still present in the latest upstream kernels too.
>> Userspace is Fedora 12, and this happens on both all recent F12 kernels
>> (sporadic in 2.6.31 until recently, solidly reproducible on 2.6.32) and
>> upstream 2.6.32, and 2.6.33-rc5 also - hard to find a "known good".
> Now I can capture the panic()s, I'm rebuilding the 2.6.33-rc5 kernel
> with some better debugging options to at least get some more data.

Could you try "ip6tables -t raw -I PREROUTING -j TRACE" after loading
the ip6t_LOG module? That way we can hopefully see the entire packet
paths through netfilter.
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