Date: Mon, 30 Aug 2004 14:53:23 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src UPDATING src/sys/sys param.h src/sys/net if.c if.h Message-ID: <20040830215323.GB24404@odin.ac.hmc.edu> In-Reply-To: <16691.40287.478937.342838@grasshopper.cs.duke.edu> References: <200408300629.i7U6TQ5C088279@repoman.freebsd.org> <20040830155015.A40262@grasshopper.cs.duke.edu> <20040830213003.GA24404@odin.ac.hmc.edu> <16691.40287.478937.342838@grasshopper.cs.duke.edu>
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--bCsyhTFzCvuiizWE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Aug 30, 2004 at 05:34:23PM -0400, Andrew Gallatin wrote: >=20 > Brooks Davis writes: > >=20 > > I don't think so. The main offenders will be programs that walk the > > interface list via libkvm and programs that use struct if_data. > > ifconfig does neither. If you haven't recompiled a module, a > > non-working ifconfig might result if by some miracle you didn't get a > > panic on attach. >=20 > ppc does not even build modules, so that's out. An older ifconfig > pukes, while a new one works, so some sort of kernel/userland ABI must > have changed in the last week. Has the data exported by sysctl changed > recently? I think I found it, at least partially. The issue is struct if_msghdr which is used by ifconfig. It contains a struct if_data. It has grown by a struct timeval. The weird thing is that this shouldn't be a problem becuase if_msghdr has a length and my addition was to the end so ifconfig should be able to skip over it, but it doesn't seem to actually work. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --bCsyhTFzCvuiizWE Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFBM6HSXY6L6fI4GtQRAoxAAJ9ZjfCtlenItNzql76w7J7Gg6PLngCfUtBZ eOdt+Tv5b35GMti6UcBqbRs= =QMpm -----END PGP SIGNATURE----- --bCsyhTFzCvuiizWE--
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