Date: Mon, 26 Aug 2013 14:07:03 -0700 From: Craig Rodrigues <rodrigc@FreeBSD.org> To: lwhsu@freebsd.org Cc: freebsd-net@freebsd.org, freebsd-ports@freebsd.org, freebsd-java@freebsd.org Subject: devel/jenkins port not starting. Kernel panic in IPv6 multicast code Message-ID: <CAG=rPVfzUW1pPxocdTJWGFeUyJ9tuOdURgaLm8O0Bx%2BBKNUGCQ@mail.gmail.com>
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Hi,
Sorry for the cross-posting, but I'm not 100% sure where the problem
is, either with the Jenkins port, Java, or FreeBSD networking code..
I recently tried to install the devel/jenkins port
on two separate boxes:
(1) box 1 running FreeBSD-9-STABLE.
(2) box 2 running running FreeBSD-CURRENT r254815
On box 1 when I tried to run jenkins with "service jenkins start",
I got a Java error with backtrace:
WARNING: Failed to advertise the service to DNS multi-cast
(see attached jenkins.log.txt)
On box 2, since I this is a debug kernel with WITNESS and INVARIANTS
enabled, I get a kernel panic. (see attached core.txt.gz)
The panic occurs here on line 1779:
1768 static struct ifnet *
1769 in6p_lookup_mcast_ifp(const struct inpcb *in6p,
1770 const struct sockaddr_in6 *gsin6)
1771 {
1772 struct route_in6 ro6;
1773 struct ifnet *ifp;
1774
1775 KASSERT(in6p->inp_vflag & INP_IPV6,
1776 ("%s: not INP_IPV6 inpcb", __func__));
1777 KASSERT(gsin6->sin6_family =3D=3D AF_INET6,
1778 ("%s: not AF_INET6 group", __func__));
1779 KASSERT(IN6_IS_ADDR_MULTICAST(&gsin6->sin6_addr),
1780 ("%s: not multicast", __func__));
If I look at gsin6->sin6_addr inside kgdb,
I see:
(kgdb) p gsin6->sin6_addr
$1 =3D {__u6_addr =3D {__u6_addr8 =3D
"\000\000\000\000\000\000\000\000\000\000=EF=BF=BD=EF=BF=BD=EF=BF=BDM|=EF=
=BF=BD", __u6_addr16 =3D {0, 0, 0,
0, 0, 65535, 19951, 54652}, __u6_addr32 =3D {0, 0,
4294901760, 3581693423}}}
I am not so familiar with this part of the networking code.
Can someone recommend where is the best place to fix
this would be?
Thanks.
--
Craig
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