Re: NetBSD/xen network problems (need help)

[YAMAMOTO Takashi <yamt%mwd.biglobe.ne.jp@localhost>]

> The first thing I would do is print the new mbuf chain in m_makewritable.
> We have:
>         for (n = *mp; n; n = n->m_next)
>               reslen += n->m_len;   
>       if (origlen != reslen)
>               panic("m_makewritable: length changed");
> 
> I would change it to:
>         for (n = *mp; n; n = n->m_next)
>               reslen += n->m_len;   
>       if (origlen != reslen) {
>               for (n = *mp; n; n = n->m_next)
>                       printf("mbuf len %d type %d flags %d\n",
>                           n->m_next, n->m_type, n->m_flags);
>               printf("m_makewritable origlen %d newlen %d\n",
>                   origlen, reslen);
>               panic("m_makewritable: length changed");
>       }

-current has m_print(), which i wrote after getting tired to
write this kind of debug printf again and again. :-)

YAMAMOTO Takashi