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Date: Thu, 16 May 2013 17:16:06 -0400
From: Julian Elischer <julian@freebsd.org>
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To: Ed Schouten <ed@80386.nl>
Subject: Re: svn commit: r250700 - in head/sys: conf net netinet6 sys
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On 5/16/13 3:19 PM, Ed Schouten wrote:
> Hey Julian,
>
> 2013/5/16 Julian Elischer <julian@freebsd.org>:
>>   #define M_SETFIB(_m, _fib) do {                                                \
>> -       _m->m_flags &= ~M_FIB;                                          \
>> -       _m->m_flags |= (((_fib) << M_FIBSHIFT) & M_FIB);  \
>> +        KASSERT((_m)->m_flags & M_EXT, ("No FIB on non header mbuf")); \
>> +       ((_m)->m_pkthdr.fibnum) = (_fib);                               \
>>   } while (0)
> This KASSERT triggers on my box at home. Sorry, but busy right now, so
> I can't spend too much time debugging this. Right after getting a
> DHCPACK on bootup, the box panics. Copied by hand:

thanks
My face is red because while this indicates a bug in someone else's 
code, I should
have caught it myself.. but guess what?   I accidentally turned off 
invariants.. duh!

I will track down the  errant code and fix..

Julian


>
> panic: No FIB on non header mbuf
> ..
> db> bt
> kassert_panic()
> rt_newaddrmsg_fib()
> rtinit1()
> in_scrubprefix()
> in_control()
> ifioctl()
> kern_ioctl()
> sys_ioctl()
> amd64_syscall()
> Xfast_syscall()
>
> --
> Ed Schouten <ed@80386.nl>
>