bind 9.4.3b2: too many open files

[Tom Mueller]

Hi,

>> I get quite often these messages:
>>
>> 14-Jul-2008 14:02:35.959 general: socket.c:523: unexpected error:
>> 14-Jul-2008 14:02:35.959 general: socket.c:523: unexpected error:
>> 14-Jul-2008 14:02:35.959 general: epoll_ctl(DEL), 398: Bad file descriptor
>> 14-Jul-2008 14:02:35.959 general: epoll_ctl(DEL), 398: Bad file descriptor
>>
>> On another machine under lower query load happens nothing like this.
>>
>> Why happens this and how serious is the resulting impact?
>>     
>
> I have some possible theory in my mind, but I'd like to be sure about
> how this actually happened.  Could you apply the patch copied below
> and run it again?  (It adds a bit more detailed debug information in
> the above log message, and should be otherwise harmless).
>
> Thanks,
>
>   
the first errors occured a short time after starting bind:

15-Jul-2008 12:00:29.747 general: epoll_ctl(DEL,978), 4: Bad file descriptor
15-Jul-2008 12:00:29.747 general: epoll_ctl(DEL,978), 4: Bad file descriptor
15-Jul-2008 12:03:27.102 general: socket.c:523: unexpected error:
15-Jul-2008 12:03:27.102 general: socket.c:523: unexpected error:
15-Jul-2008 12:03:27.102 general: epoll_ctl(DEL,1470), 4: Bad file
descriptor
15-Jul-2008 12:03:27.102 general: epoll_ctl(DEL,1470), 4: Bad file
descriptor
15-Jul-2008 12:03:34.774 general: socket.c:523: unexpected error:
15-Jul-2008 12:03:34.774 general: socket.c:523: unexpected error:
15-Jul-2008 12:03:34.774 general: epoll_ctl(DEL,702), 4: Bad file descriptor
15-Jul-2008 12:03:34.774 general: epoll_ctl(DEL,702), 4: Bad file descriptor
15-Jul-2008 12:34:19.464 dispatch: dispatch 0xb5d0c008: odd socket
result in udp_recv(): connection refused

The last message could be a result of invalid data received (??)

Best regards

-- 
Tom Mueller
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