listen backlog

ghazel at gmail.com ghazel at gmail.com
Fri Dec 3 17:49:22 EST 2010


On Fri, Dec 3, 2010 at 1:49 PM, Eric Wong <normalperson at yhbt.net> wrote:
> ghazel at gmail.com wrote:
>> Using "modprobe inet_diag" made the script spit out a new error:
>>
>>             address     active     queued
>> linux-tcp-listener-stats.rb:42:in `tcp_listener_stats': NLMSG_ERROR
>> (RuntimeError)
>>         from linux-tcp-listener-stats.rb:42
>
> I don't think I've ever seen NLMSG_ERROR before.  Are you running
> this as the same user that originally bound the listener (the user
> of the Unicorn master process)?

Yes. I also tried as root, same error.

>> $ sudo modprobe -l inet_diag
>> /lib/modules/2.6.21.7-2.fc8xen/kernel/net/ipv4/inet_diag.ko
>>
>> I dug in to raindrops a little bit, and it seems the error associated
>> with the NLMSG_ERROR is -2,
>> "No such file or directory".
>
> Are you bound to 0.0.0.0:9000 and not 127.0.0.1:9000?  Use
> 0.0.0.0:9000 if you're bound to that (I had another user on the
> raindrops mailing list with that problem).

My unicorn.rb says 127.0.0.1. But just to test I tried fetching stats
for 0.0.0.0:9000 but got the same error.

-Greg


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