Date: Sat, 27 Oct 2012 16:51:29 +0900 (JST) From: Hiroki Sato <hrs@FreeBSD.org> To: brian@FreeBSD.org Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, dim@FreeBSD.org Subject: Re: svn commit: r242074 - head/etc/rc.d Message-ID: <20121027.165129.351491404794553651.hrs@allbsd.org> In-Reply-To: <20121027072048.GB77528@thong.lan.Awfulhak.org> References: <20121026235044.GA77528@thong.lan.Awfulhak.org> <20121027.155707.2226765252880570777.hrs@allbsd.org> <20121027072048.GB77528@thong.lan.Awfulhak.org>
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----Security_Multipart0(Sat_Oct_27_16_51_29_2012_211)-- Content-Type: Multipart/Mixed; boundary="--Next_Part(Sat_Oct_27_16_51_29_2012_951)--" Content-Transfer-Encoding: 7bit ----Next_Part(Sat_Oct_27_16_51_29_2012_951)-- Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Brian Somers <brian@FreeBSD.org> wrote in <20121027072048.GB77528@thong.lan.Awfulhak.org>: br> On Sat, Oct 27, 2012 at 03:57:07PM +0900, Hiroki Sato wrote: br> > Brian Somers <brian@FreeBSD.org> wrote br> > in <20121026235044.GA77528@thong.lan.Awfulhak.org>: br> > br> > br> When I reboot and don't use -accept_rtadv (and leave br> > br> net.inet6.ip6.accept_rtadv set to zero), I repeatedly see this in br> > br> /var/log/messages: br> > br> br> > br> Oct 26 16:31:26 gw rtadvd[2879]: non-zero lifetime RA on RA receiving interface sk0. Ignored. br> > br> Oct 26 16:31:33 gw rtadvd[2879]: non-zero lifetime RA on RA receiving interface bridge0. Ignored. br> > br> Oct 26 16:31:42 gw rtadvd[2879]: non-zero lifetime RA on RA receiving interface sk0. Ignored. br> > br> Oct 26 16:31:49 gw rtadvd[2879]: non-zero lifetime RA on RA receiving interface bridge0. Ignored. br> > br> br> > br> This seems to be the problem. Because check_accept_rtadv() (in br> > br> rtadvd) reports the interface as being able to accept RAs (it finds br> > br> the ND6_IFF_ACCEPT_RTADV flag), it drops outgoing RAs and nothing br> > br> happens. br> > br> > Can you send me your /etc/rc.conf and /etc/sysctl.conf? I guess you br> > are still using ipv6_enable=YES on 9.X. br> br> Sure (attached). I'm not sure what is supposed to change in rc.conf br> when upgrading from 8 to 9. There's nothing obvious that I can br> see... maybe I'm looking in the wrong place? br> br> http://www.freebsd.org/releases/9.0R/relnotes.html Thank you. It is explained in section 3.2.4 in http://www.freebsd.org/releases/9.0R/relnotes-detailed.html#UPGRADE I think it will work as 8.X just after removing the ipv6_enable=YES line in your rc.conf, but after investigating the network.subr closely I found a bug in backward compatibility of ipv6_enable=YES on 9.X... Can you try the attached patch? This should fix the issue even if ipv6_enable=YES exists on a 9.X's rc.conf without a patch to rc.d/rtadvd. -- Hiroki ----Next_Part(Sat_Oct_27_16_51_29_2012_951)-- Content-Type: Text/X-Patch; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="network.subr.20121027-1.diff" Index: etc/network.subr =================================================================== --- etc/network.subr (revision 242172) +++ etc/network.subr (working copy) @@ -504,7 +504,11 @@ # backward compatibility: $ipv6_enable case $ipv6_enable in [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) - return 0 + if checkyesno ipv6_gateway_enable; then + return 1 + else + return 0 + fi ;; esac ----Next_Part(Sat_Oct_27_16_51_29_2012_951)---- ----Security_Multipart0(Sat_Oct_27_16_51_29_2012_211)-- Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEABECAAYFAlCLkoEACgkQTyzT2CeTzy2P1wCgtoaCTtEG7mwmoMJabvvxPzbP NhUAnRDMBsiEa8uQGshlZwTv4pVMgGEv =QYFL -----END PGP SIGNATURE----- ----Security_Multipart0(Sat_Oct_27_16_51_29_2012_211)----
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