Re: NetBSD 3.x, IPv6 and IPF

[Dominik Bia³y <dmb%yenn.underlegend.net@localhost>]

On Sun, 17 Aug 2008 17:47:38 +0000 (UTC), Michael van Elst 
<mlelstv%serpens.de@localhost>
wrote:
> dmb%yenn.underlegend.net@localhost (Dominik =?iso-8859-1?Q?Bia=B3y?=) writes:
>
>>>>fr_checkicmp6matchingstate(c0911980,0,28,c0911980,8) at 
>>>>netbsd:fr_checkicmp6matchingstate+0x95
>>> Sounds like an old bug, which was 'fixed' by an ipf upgrade on the
>>> way to netbsd-4. I doubt that this will be backported to netbsd-3.
>>>
>>I have also hit this bug. Is there any workaround? I see the bug is in
>>fragmented ipv6 packets handling (am I right?). Would not using
>>``keep frags'' be sufficient?
>
> I don't think so. One step of the fix was sys/dist/ipf/netinet/fil.c 1.38
> but since multiple ipf upgrades happened since netbsd-3 I doubt that
> this will solve your problem.

I've upgraded to NetBSD 4.0_STABLE from 20080813 and got another panic
today. Alas, no backtrace. Trying gdb netbsd.8 netbsd.8.core, but gdb
says netbsd.8.core is not a corefile. How do I get the backtrace?

Thanks
        Dominik Bia³y
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