Date: Thu, 2 Jan 1997 11:26:50 -0500 (EST) From: Bill Paul <wpaul@skynet.ctr.columbia.edu> To: freebsd-current@FreeBSD.org Subject: Re: Resolver Error 0 (no error) Message-ID: <199701021626.LAA10553@skynet.ctr.columbia.edu> In-Reply-To: <199701020846.JAA03861@uriah.heep.sax.de> from "J Wunsch" at Jan 2, 97 09:46:43 am
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Of all the gin joints in all the towns in all the world, J Wunsch had to
walk into mine and say:
> As michael butler wrote:
>
> > > fetch: couldn't open FTP connection to ftp.funet.fi: Resolver Error 0 (no
> > > error)
> >
> > > Hmpf?
> >
> > Best guess .. fetch is waiting for an authoritative answer and the
> > nameservers who would be so are unreachable or not responding,
>
> Well, to the very least, ``Error 0 (no error)'' is a sad joke. Either
> there's an error condition, so there should be an error code, or not.
>
> Anyway, even if so, why does fetch wait for any authoritative answer?
> There's a non-authoritative answer avaiable, and all the required data
> are there (CNAME record, A record for the host).
>
> I have seen the behaviour of host(1) hanging indefinately before, i
> only didn't care. I'm afraid there's a bug in our resolver code.
This reminds me:
[/homes/wpaul]:marple{15}% traceroute freebsd.org
traceroute to freebsd.org (204.216.27.18), 30 hops max, 40 byte packets
1 ctr-gw.ctr.columbia.edu (128.59.74.1) 2.741 ms 2.465 ms 2.467 ms
2 mudd-gw.net.columbia.edu (128.59.62.1) 4.353 ms 3.124 ms 3.038 ms
3 128.59.45.2 (128.59.45.2) 45.279 ms 49.961 ms 51.045 ms
4 nyser-gw.net.columbia.edu (128.59.247.1) 189.497 ms 112.663 ms 100.243 ms
5 169.130.12.5 (169.130.12.5) 91.750 ms 98.124 ms 102.126 ms
6 169.130.1.101 (169.130.1.101) 82.285 ms 74.644 ms 79.732 ms
7 144.228.60.1 (144.228.60.1) 281.282 ms 141.881 ms 219.776 ms
8 198.67.2.11 (198.67.2.11) 118.587 ms 110.496 ms 113.735 ms
9 144.228.10.102 (144.228.10.102) 259.932 ms 149.262 ms 149.992 ms
10 144.228.10.50 (144.228.10.50) 231.764 ms 217.007 ms 238.777 ms
11 pb-nap.crl.net (198.32.128.20) 147.369 ms 156.685 ms 149.741 ms
12 E0-CRL-SFO-02-E0X0.US.CRL.NET (165.113.55.2) 166.600 ms 183.481 ms 253.803 ms
13 T1-CDROM-00-EX.US.CRL.NET (165.113.118.2) 131.645 ms 135.416 ms 163.520 ms
14 freefall.FreeBSD.ORG (204.216.27.18) 160.483 ms * 312.308 ms
[/homes/wpaul]:marple{16}% uname -sr
FreeBSD 2.2-BETA_A
Hops 5 through 10 didn't reverse resolve correctly, but:
[/homes/wpaul]:marple{17}% nslookup 169.130.12.5
Server: sirius.ctr.columbia.edu
Address: 128.59.64.60
Name: ny-nyc-2-H4/0-T3.nysernet.net
Address: 169.130.12.5
With FreeBSD 2.1.0:
[/home/wpaul]:OmniVAX{36}% traceroute freebsd.org
traceroute to freebsd.org (204.216.27.18), 30 hops max, 40 byte packets
1 ctr-gw.ctr.columbia.edu (128.59.64.1) 169.288 ms 226.311 ms 197.468 ms
2 mudd-gw.net.columbia.edu (128.59.62.1) 175.367 ms 227.903 ms 347.029 ms
3 128.59.45.2 (128.59.45.2) 222.734 ms 233.502 ms 218.619 ms
4 nyser-gw.net.columbia.edu (128.59.247.1) 208.978 ms 309.440 ms 224.325 ms
5 ny-nyc-2-H4/0-T3.nysernet.net (169.130.12.5) 298.337 ms 271.123 ms 266.279 ms
6 ny-pen-1-H2/0-T3.nysernet.net (169.130.1.101) 363.654 ms 297.084 ms 362.543 ms
7 sl-pen-1-F0/0.sprintlink.net (144.228.60.1) 295.228 ms 426.730 ms 339.896 ms
8 sl-pen-11-F/T.sprintlink.net (198.67.2.11) 239.456 ms 283.974 ms 248.982 ms
9 sl-stk-1-H12/0-T3.sprintlink.net (144.228.10.102) 448.619 ms 335.131 ms *
10 * * sl-stk-nap-H2/0-T3.sprintlink.net (144.228.10.50) 433.355 ms
11 pb-nap.crl.net (198.32.128.20) 371.726 ms 397.078 ms 362.136 ms
12 E0-CRL-SFO-02-E0X0.US.CRL.NET (165.113.55.2) 373.627 ms 464.830 ms 397.843 ms
13 T1-CDROM-00-EX.US.CRL.NET (165.113.118.2) 398.602 ms 393.075 ms 479.812 ms
14 freefall.FreeBSD.ORG (204.216.27.18) 343.168 ms 467.463 ms 371.996 ms
Granted this is Sprint we're talking about here, but this seems a little
odd. My named is from BIND 4.9.5-REL.
-Bill
--
=============================================================================
-Bill Paul (212) 854-6020 | System Manager, Master of Unix-Fu
Work: wpaul@ctr.columbia.edu | Center for Telecommunications Research
Home: wpaul@skynet.ctr.columbia.edu | Columbia University, New York City
=============================================================================
"It is not I who am crazy; it is I who am mad!" - Ren Hoek, "Space Madness"
=============================================================================
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