Re: listen backlog

[ghazel@gmail.com]

On Sat, Dec 4, 2010 at 3:48 PM, Eric Wong <normalperson@yhbt.net> wrote:
> ghazel@gmail.com wrote:
>> On Fri, Dec 3, 2010 at 1:49 PM, Eric Wong <normalperson@yhbt.net> wrote:
>> > ghazel@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.
>
> Ah, can you try "modprobe tcp_diag", too?  I can't remember what other
> quirks there were for ancient kernels.  Hopefully that works, because
> I'd be at a loss otherwise :x

Ah! That worked. Thanks!

-Greg
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