Re: panic: assertion: _ifac->ifa_magic == IFA_CONTAINER_MAGIC in _IFAFREE

[YONETANI Tomokazu <qhwt+dfly@xxxxxxxxxx>]

On Sun, Mar 16, 2008 at 08:09:17PM +0800, Sepherosa Ziehau wrote:
> On Sun, Mar 16, 2008 at 6:07 PM, YONETANI Tomokazu <qhwt+dfly@les.ath.cx> wrote:
> > Hello.
> >  Just caught a panic while playing with NFS mounted git tree
> >  (but I cannot reliably reproduce it after that):
> 
> dst address of a UDP packet is changed, which changes port/addr hash
> too, but old route entry was not allocated on the current CPU.  Since
> the box only contains 2 CPUs, after the l{port,addr}/f{port,addr}
> hash, the problem probably will not show itself ;).  Please run
> following test program several times and then unload the NIC module to
> see whether you could reproduce the problem (if you have TCP
> connections too, you will have to wait 2MSL):
> http://leaf.dragonflybsd.org/~sephe/test_udp.c

I've been trying to reproduce it but so far unsuccessful...