Date: Mon, 27 Mar 2000 13:41:29 -0500 From: Kevin Havener <kevin.havener@afccc.af.mil> To: freebsd-questions@freebsd.org Subject: Can't resolve localhost--redux Message-ID: <38DFAB59.B64E42C0@afccc.af.mil>
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It's been a week or so, so I'll repost some of my previous post on the
same subject. This is rather long--sorry. I desparately need a ticket
to ride the cluetrain here!
Bottom line is I can't resolve localhost since I dorked around trying to
set up a caching nameserver--since turned off. Setup is 3.4R,
standalone, dial-in to ISP. Relevant config files follow. Also at Ben
Smithurst's suggestion, I ran 'ktrace ping localhost'. Plus at the
bottom of this dump, I've also included the output of 'netstat -r' and
'ifconfig -a' if that helps.
Kevin
============================================================================
$ more /etc/hosts
127.0.0.1 localhost #there is a tab here. Is this tab sensitive?
#just tried it without --doesn't seem to be
=============================================================================
$ more /etc/host.conf
# $Id: host.conf,v 1.5 1998/11/16 02:02:30 jkh Exp $
# First try the /etc/hosts file
hosts
# Now try the nameserver next.
bind
# If you have YP/NIS configured, uncomment the next line
# nis
==============================================================================
$ more /etc/resolv.conf
nameserver 209.215.82.130
nameserver 209.215.82.133 #ISP says secondary is now x.x.x.190
==============================================================================
$ more rc.conf
# This file now contains just the overrides from
/etc/defaults/rc.conf
# please make all changes to this file.
# -- sysinstall generated deltas -- #
ifconfig_ppp0="inet netmask 255.255.255.0"
moused_enable="YES"
defaultrouter="NO"
network_interfaces="ppp0 lo0"
hostname="freebsd"
linux_enable="YES"
lpd_enable="YES"
browserPackage="lynx"
=============================================================================
kdump from "ktrace ping localhost"
312 ktrace RET ktrace 0
312 ktrace CALL readlink(0x280cf3e8,0xbfbfd2fc,0x3f)
312 ktrace NAMI "/etc/malloc.conf"
312 ktrace RET readlink -1 errno 2 No such file or directory
312 ktrace CALL mmap(0,0x1000,0x3,0x1002,0xffffffff,0,0,0)
312 ktrace RET mmap 672018432/0x280e3000
312 ktrace CALL break(0x804c000)
312 ktrace RET break 0
312 ktrace CALL break(0x804d000)
312 ktrace RET break 0
312 ktrace CALL execve(0xbfbfd404,0xbfbfd8c8,0xbfbfd8d4)
312 ktrace NAMI "/sbin/ping"
312 ping RET execve 0
312 ping CALL socket(0x2,0x3,0x1)
312 ping RET socket 3
312 ping CALL getuid
312 ping RET getuid 0
312 ping CALL setuid(0)
312 ping RET setuid 0
312 ping CALL getuid
312 ping RET getuid 0
312 ping CALL open(0x8066ec9,0,0x1b6)
312 ping NAMI "/etc/host.conf"
312 ping RET open 4
312 ping CALL fstat(0x4,0xbfbfd00c)
312 ping RET fstat 0
312 ping CALL readlink(0x8067f20,0xbfbfd00c,0x3f)
312 ping NAMI "/etc/malloc.conf"
312 ping RET readlink -1 errno 2 No such file or directory
312 ping CALL mmap(0,0x1000,0x3,0x1002,0xffffffff,0,0,0)
312 ping RET mmap 671518720/0x28069000
312 ping CALL break(0x8086000)
312 ping RET break 0
312 ping CALL break(0x8088000)
312 ping RET break 0
312 ping CALL read(0x4,0x8086000,0x2000)
312 ping GIO fd 4 read 190 bytes
"# $Id: host.conf,v 1.5 1998/11/16 02:02:30 jkh Exp $
# First try the /etc/hosts file
hosts
# Now try the nameserver next.
bind
# If you have YP/NIS configured, uncomment the next line
# nis
"
312 ping RET read 190/0xbe
312 ping CALL read(0x4,0x8086000,0x2000)
312 ping GIO fd 4 read 0 bytes
""
312 ping RET read 0
312 ping CALL close(0x4)
312 ping RET close 0
312 ping CALL open(0x8066efe,0,0x1b6)
312 ping NAMI "/etc/hosts"
312 ping RET open 4
312 ping CALL gettimeofday(0xbfbfd068,0)
312 ping RET gettimeofday 0
312 ping CALL getpid
312 ping RET getpid 312/0x138
312 ping CALL issetugid
312 ping RET issetugid 0
312 ping CALL open(0x8067cba,0,0x1b6)
312 ping NAMI "/etc/resolv.conf"
312 ping RET open 5
312 ping CALL fstat(0x5,0xbfbfcfb4)
312 ping RET fstat 0
312 ping CALL read(0x5,0x8086000,0x2000)
312 ping GIO fd 5 read 51 bytes
"nameserver 209.215.82.130
nameserver 209.215.82.133"
312 ping RET read 51/0x33
312 ping CALL read(0x5,0x8086000,0x2000)
312 ping GIO fd 5 read 0 bytes
""
312 ping RET read 0
312 ping CALL close(0x5)
312 ping RET close 0
312 ping CALL __sysctl(0xbfbfd05c,0x2,0xbfbfd0a8,0xbfbfd064,0,0)
312 ping RET __sysctl 0
312 ping CALL issetugid
312 ping RET issetugid 0
312 ping CALL fstat(0x4,0xbfbfd400)
312 ping RET fstat 0
312 ping CALL read(0x4,0x8086000,0x2000)
312 ping GIO fd 4 read 19 bytes
"127.0.0.1 localhost"
312 ping RET read 19/0x13
312 ping CALL read(0x4,0x8086000,0x2000)
312 ping GIO fd 4 read 0 bytes
""
312 ping RET read 0
312 ping CALL close(0x4)
312 ping RET close 0
312 ping CALL issetugid
312 ping RET issetugid 0
312 ping CALL issetugid
312 ping RET issetugid 0
312 ping CALL socket(0x2,0x2,0)
312 ping RET socket 4
312 ping CALL connect(0x4,0x808495c,0x10)
312 ping RET connect 0
312 ping CALL sendto(0x4,0xbfbfc840,0x1b,0,0,0)
312 ping RET sendto -1 errno 65 No route to host
312 ping CALL close(0x4)
312 ping RET close 0
312 ping CALL socket(0x2,0x2,0)
312 ping RET socket 4
312 ping CALL sendto(0x4,0xbfbfc840,0x1b,0,0x808496c,0x10)
312 ping RET sendto -1 errno 65 No route to host
312 ping CALL close(0x4)
312 ping RET close 0
312 ping CALL write(0x2,0xbfbfcdfc,0x6)
312 ping GIO fd 2 wrote 6 bytes
"ping: "
312 ping RET write 6
312 ping CALL write(0x2,0xbfbfce10,0x32)
312 ping GIO fd 2 wrote 50 bytes
"cannot resolve localhost: Host name lookup failure"
312 ping RET write 50/0x32
312 ping CALL write(0x2,0xbfbfce00,0x1)
312 ping GIO fd 2 wrote 1 byte
"
"
312 ping RET write 1
312 ping CALL exit(0x44)
================================================================================
freebsd# netstat -r
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif
Expire
default 209.215.82.140 UGSc 3 0 ppp0
localhost localhost UH 0 0 lo0
209.215.82.140 ppp160.cytechcis.n UH 4 0 ppp0
================================================================================
freebsd# ifconfig -a
lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
tun0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552
ppp0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1524
inet 216.77.34.160 --> 209.215.82.140 netmask 0xffffff00
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
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