Re: Panic in ip_input

From: Max Laier (max_at_love2party.net)
Date: 11/17/03

  • Next message: Philippe Charnier: "Re: cbb cardbus activation failed" 
    Date: Mon, 17 Nov 2003 09:02:56 +0100
To: Andreas Kohn <andreas.kohn@gmx.net>

    Hello Andreas,

    Monday, November 17, 2003, 8:11:47 AM, you wrote:
    AK> #7 0xc05ed8a9 in ip_input (m=0x0) at
    AK> /usr/src/sys/netinet/ip_input.c:364
    AK> #8 0xc05e6292 in div_output (so=0xc2f11d20, m=0xc16d6600,
    AK> sin=0xc2d834b0,
    AK> control=0x0) at /usr/src/sys/netinet/ip_divert.c:364

    AK> (kgdb) frame 7
    AK> #7 0xc05ed8a9 in ip_input (m=0x0) at
    AK> /usr/src/sys/netinet/ip_input.c:364
    AK> 364 m_free(m0);
    AK> (kgdb) p m0
    AK> $1 = (struct mbuf *) 0x0
    AK> (kgdb) l
    AK> 359
    AK> 360 m0 = m;
    AK> 361 m = m->m_next;
    AK> 362 /* XXX: This is set by ip_fastforward */
    AK> 363 if (m0->m_nextpkt == (struct mbuf *)1)
    AK> 364 m_free(m0);
    AK> 365 }
    AK> 366
    AK> 367 M_ASSERTPKTHDR(m);
    AK> 368

    AK> This panic is relatively easy to recreate.

    AK> Some data points:

    AK> The machine is an Athlon Thunderbird 1200 (CPUTYPE=athlon-tbird in
    AK> make.conf), the NIC is a Realtek 8139.
    AK> net.inet.ip.fastforwarding is 0.

    AK> I have a dump available (256M). What can I do to help fix this problem?

    What rev. of ip_input.c is this? Looks like head. Rev. 1.253 mangled
    the for(;;) in a strange way and added that very strange check ... can
    somebody just kill these *** MT_TAG thing in flavour for real
    mbuf_tags, now? Please! 

    -- 
Best regards,
 Max                            mailto:max@love2party.net
_______________________________________________
freebsd-current@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-current
To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
  • Next message: Philippe Charnier: "Re: cbb cardbus activation failed"