Re: paging all socket geniuses
- From: D Herring <dherring@xxxxxxxxxxxxxxxxxxx>
- Date: Wed, 30 Jul 2008 01:01:56 -0400
Kenny wrote:
I sent the following to Franz but as you will see it does not look like anything to with anything other than how badly screwed up Windows, my laptop, or me or all three are... so what would you check first given the following? Does the computer name coming back instead of an IP address mean make-socket did not find... well, when I forgot to move the ethernet cable over it rightly complained specifically about the absence of a network... ah, but there is the local network and the Al Gore Superhighway. Well, I am too dumb on sockets even to tell the monkets what to try, any guesses welcome.
Quick terms:
s3.amazonaws.com - domain name (gets looked up in DNS)
72.21.207.241 - IP address (resolved from above)
smokinjoe - network node hostname
Since the timing is consistent, I suspect a timeout somewhere in the network stack.
The address resolution may be borked. In a command shell, type `ping s3.amazonaws.com` and `ping 72.21.207.241` (or whatever IP the first ping finds). Note that this address doesn't seem to respond to pings, so you can kill ping once it resolves the address. Both commands should take the same time to start; if the first is slower, then it could be your DNS settings.
Try running `tracert s3.amazonaws.com` to see if one hop between the laptop and amazon is being slow.
Also compare the DNS section of the "Network settings" (control panel) against the good machines, try disabling any firewall software, and possibly even antivirus.
My concern is that I am doing a roll-out now and wonder how many
other people will have the same problem because of some oddity on
their system.
I get that feeling every time someone uses Windows. ;)
Another idea is to attach a C debugger to lispworks and check what system calls are taking so long.
Wireshark is an excellent packet sniffer.
HTH,
Daniel
.
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