Re: Socket bind failing with error -98

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http://man7.org/linux/man-pages/man7/socket.7.html

Assuming you are using AF_INET addresses, SO_REUSEADDR will not let
you bind() to an address if the same is already bound to an _active
listening socket_.

Also, SO_REUSEPORT option is required for all the socket that are
bound to the same address, maybe the address you are trying to bind()
to was already used by a socket that has no SO_REUSEPORT option set.

On Tue, Feb 7, 2017 at 7:27 PM, Suraj Choudhari
<surajschoudhari@xxxxxxxxx> wrote:
> Please share your thoughts about the problem.
>
> Thanks,
> Suraj
>
> On Tue, Feb 7, 2017 at 12:17 PM, Suraj Choudhari
> <surajschoudhari@xxxxxxxxx> wrote:
>> Hi experts,
>>
>> I am facing a problem while binding to TCP socket using bind()
>> function,  the problem is see for kernel versions >= 4.4.
>>
>> The bind() function is failing with error code -98.
>>
>> Currently i am calling bind() through a kernel thread.
>>
>> I searched similar errors and tried with 'setsockopt' with
>> 'SO_REUSEADDR' and 'SO_REUSEPORT ' flags.
>>
>> However, bind() still continues to fail with similar error.
>>
>> Can you please suggest if there are any other ways to fix it or any
>> particular debugging we shall do to analyze it ?
>>
>>
>> Thanks,
>> Suraj
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