Date: Wed, 18 Sep 2013 07:15:33 GMT From: Matthieu Volat <mazhe@alkumuna.eu> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/182199: mdnsd failing on assertion because badly defined flags Message-ID: <201309180715.r8I7FXRY002359@oldred.freebsd.org> Resent-Message-ID: <201309180720.r8I7K0pQ018711@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
>Number: 182199 >Category: misc >Synopsis: mdnsd failing on assertion because badly defined flags >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Sep 18 07:20:00 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Matthieu Volat >Release: 9.2-RC4 >Organization: >Environment: FreeBSD freedom.alkumuna.eu 9.2-RC4 FreeBSD 9.2-RC4 #0 r255465: Wed Sep 11 05:11:03 UTC 2013 root@bake.isc.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 >Description: When started, the mdnsd service from net/mDNSResponder fails very quickly because failing a catch of "unknown" flags in the recvmsg function. Turns out that values are strangely hardcoded to wrong values, at least for FreeBSD, in mDNS/mDNSUNP.h. The following patch fixes the problem : --- mDNSPosix/mDNSUNP.h.orig 2013-09-18 09:02:04.000000000 +0200 +++ mDNSPosix/mDNSUNP.h 2013-09-18 09:02:55.000000000 +0200 @@ -31,8 +31,8 @@ // The following are the supported non-linux posix OSes - // netbsd, freebsd and openbsd. #if HAVE_IPV6 -#define IPV6_2292_PKTINFO 19 -#define IPV6_2292_HOPLIMIT 20 +#define IPV6_2292_PKTINFO IPV6_PKTINFO +#define IPV6_2292_HOPLIMIT IPV6_HOPLIMIT #endif #endif >How-To-Repeat: * Install net/mDNSResponder * run mdnsd -debug * try to do anything that will generate an answer, like dns-sd -G v4v6 somehost.local where the host is sane >Fix: Apply the following patch: --- mDNSPosix/mDNSUNP.orig 2013-09-18 09:02:04.000000000 +0200 +++ mDNSPosix/mDNSUNP.h 2013-09-18 09:02:55.000000000 +0200 @@ -31,8 +31,8 @@ // The following are the supported non-linux posix OSes - // netbsd, freebsd and openbsd. #if HAVE_IPV6 -#define IPV6_2292_PKTINFO 19 -#define IPV6_2292_HOPLIMIT 20 +#define IPV6_2292_PKTINFO IPV6_PKTINFO +#define IPV6_2292_HOPLIMIT IPV6_HOPLIMIT #endif #endif >Release-Note: >Audit-Trail: >Unformatted:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201309180715.r8I7FXRY002359>