Date: Mon, 17 Nov 2003 09:02:56 +0100 From: Max Laier <max@love2party.net> To: Andreas Kohn <andreas.kohn@gmx.net> Cc: current@freebsd.org Subject: Re: Panic in ip_input Message-ID: <4212255218.20031117090256@love2party.net> In-Reply-To: <1069053107.706.10.camel@klamath> References: <1069053107.706.10.camel@klamath>
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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 bastard MT_TAG thing in flavour for real mbuf_tags, now? Please! -- Best regards, Max mailto:max@love2party.net
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