[Haskell-cafe] ping haskell.org timeout

Ketil Malde ketil at malde.org
Fri Aug 26 06:20:25 CEST 2011

Jason Dagit <dagitj at gmail.com> writes:

> On Thu, Aug 25, 2011 at 2:39 PM, Greg Fitzgerald <garious at gmail.com> wrote:
>> "cabal update" hangs.  "ping haskell.org" times out.  But haskell.org and
>> hackage webpages are loading just fine.  What's going on?

> Lots of servers turn off ICMP packet responses these days 

Because users don't really need error messages, that's privileged
information for system administrators.

> so ping isn't as reliable as it once was for detecting when a server is
> running.

Looks like haskell.org isn't one of them.

CON:~ % ping haskell.org
PING haskell.org ( 56(84) bytes of data.
64 bytes from lambda.haskell.org ( icmp_req=1 ttl=48 time=53.8 ms
64 bytes from lambda.haskell.org ( icmp_req=2 ttl=48 time=52.4 ms
64 bytes from lambda.haskell.org ( icmp_req=3 ttl=48 time=52.5 ms
--- haskell.org ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 52.451/52.935/53.804/0.670 ms

> I'm not sure why cabal update would hang.

It takes a while to complete with no visual feedback.  Perhaps the
network is just slow?  Or perhaps the web pages are cached somewhere
along the way?

If I haven't seen further, it is by standing in the footprints of giants

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