Date: Thu, 12 Jun 2003 00:38:36 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Wiktor Niesiobedzki <w@evip.pl> Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: adsl/pppoe no longer connecting on 5.1 Message-ID: <20030612073836.GA39115@rot13.obsecurity.org> In-Reply-To: <20030612051812.GQ48387@mail.evip.pl> References: <200306112248.AA655556764@141.com> <20030612045022.GA36033@rot13.obsecurity.org> <20030612051812.GQ48387@mail.evip.pl>
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--FCuugMFkClbJLl1L Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jun 12, 2003 at 07:18:12AM +0200, Wiktor Niesiobedzki wrote: > On Wed, Jun 11, 2003 at 09:50:22PM -0700, Kris Kennaway wrote: > > On Wed, Jun 11, 2003 at 10:48:32PM -0600, Andrew Lankford wrote: > > > >Can you try backing out bsd.sys.mk to r1.26 and rebuild your world a= nd > > > >kernel? Later versions of this file are causing strange problems >w= ith > > > >package builds. > > >=20 > > > I was a little lazy and just backed out bsd.sys.mk to 1.26 as you > > > suggested, rebuilt /usr/lib/ , /usr/include/, and ppp. My kernel is = the > > > same as last time. As a result, ppp's now up and running again. > >=20 > > Thanks, that's actually more useful because it isolates the problem. > > It's probably something in ppp that is misbehaving with CSTD=3Dc99. > >=20 > alloca(3) function is misbehaving in ppp (namely ether.c). Is this a comp= iler > bug? Okay, it looks like alloca.S was broken. My previous patch that increased the size of allocations was just a gratuitous difference with the inline version, and is not necessary. Here's a fix that seems to get ppp to stop complaining. Kris Index: alloca.S =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D RCS file: /usr/home/ncvs/src/lib/libc/i386/gen/alloca.S,v retrieving revision 1.10 diff -u -r1.10 alloca.S --- alloca.S 23 Mar 2002 02:44:18 -0000 1.10 +++ alloca.S 12 Jun 2003 07:35:03 -0000 @@ -51,6 +51,7 @@ andl $0xfffffffc,%eax subl %eax,%esp movl %esp,%eax /* base of newly allocated space */ + leal 24(%esp), %eax pushl 8(%ecx) /* copy possible saved registers */ pushl 4(%ecx) pushl 0(%ecx) --FCuugMFkClbJLl1L Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQE+6C38Wry0BWjoQKURAmzsAKD4w1FmsWmSbEqtvp7HjpZgBykKGQCgxGKd 5jf9ogr3hgIf2UEHMOSls2g= =91/y -----END PGP SIGNATURE----- --FCuugMFkClbJLl1L--
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