Date: Mon, 4 Nov 2002 10:54:36 -0800 (PST) From: Kelly Yancey <kbyanc@posi.net> To: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp> Cc: Doug Barton <DougB@FreeBSD.org>, <freebsd-current@FreeBSD.org>, <kbyanc@FreeBSD.org> Subject: Re: Can't resolve hosts via dns on the command line with latest -current Message-ID: <20021104104809.N50081-100000@gateway.posi.net> In-Reply-To: <ybsfzuieih1.wl@ett.sat.t.u-tokyo.ac.jp>
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On Mon, 4 Nov 2002, Hidetoshi Shimokawa wrote: > I have the same problem and reverting rev. 1.134 of > /sys/kern/uipc_socket.c fixes the problem. > The change might have something wrong with a loopback interface. > > /\ Hidetoshi Shimokawa > \/ simokawa@sat.t.u-tokyo.ac.jp > PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html > > Index: uipc_socket.c > =================================================================== > RCS file: /home/ncvs/src/sys/kern/uipc_socket.c,v > retrieving revision 1.135 > diff -u -r1.135 uipc_socket.c > --- uipc_socket.c 2 Nov 2002 05:14:30 -0000 1.135 > +++ uipc_socket.c 3 Nov 2002 14:45:16 -0000 > @@ -1784,7 +1784,11 @@ > { > struct socket *so = (struct socket *)kn->kn_fp->f_data; > > +#if 0 > kn->kn_data = so->so_rcv.sb_cc - so->so_rcv.sb_ctl; > +#else > + kn->kn_data = so->so_rcv.sb_cc; > +#endif > if (so->so_state & SS_CANTRCVMORE) { > kn->kn_flags |= EV_EOF; > kn->kn_fflags = so->so_error; > I suspect something in lib/libc/net/res_send.c is using special knowledge of the contents of the socket buffer so calculate the real amount of data that can be read (which this patch does automatically). I'm looking into it. > > At Sun, 03 Nov 2002 05:39:48 -0800, > Doug Barton wrote: > > > > Howdy, > > > > With -current built from sources updated at around 8pm PST, I can't > > resolve hosts on the command line if /etc/resolv.conf points to a name > > server running on the local host. The local name server itself is > > working fine, and I can reach any host in /etc/hosts as well. > > > > ktrace /sbin/ping hub.freebsd.org > > ^C > > > > kdump > > 651 ktrace RET ktrace 0 > > 651 ktrace CALL execve(0xbfbffb03,0xbfbff9e4,0xbfbff9f0) > > 651 ktrace NAMI "/sbin/ping" > > What is this supposed to demonstrate? > > /etc/nsswitch.conf is unchanged, and contains only: > > hosts: files dns > > > > It doesn't matter if /etc/resolv.conf points to 127.0.0.1, or the IP of > > the box. As soon as I point /etc/resolv.conf at a name server on another > > host, it works. > > > > My -current system from last weekend worked just fine. > > > > Doug > > Thanks. I'll let you know what I find, Kelly -- Kelly Yancey -- kbyanc@{posi.net,FreeBSD.org} FreeBSD, The Power To Serve: http://www.freebsd.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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