RPC CALL TIMEOUT LOG with Samba-4.5.10 : the specified I/O operation was not completed before the time-out period expired(werror: 0x0)

[Nagendra008]

Hi All, 

Can you anyone please suggest how to fix this RPC call timeout issue. 
LOG : the specified I/O operation was not completed before the time-out
period expired(werror: 0x0)
Error code from Ms server : 0xC00000B5 
STATUS_IO_TIMEOUT 

Note : It happens for few clients once in a while and timeout issue is seen
continuously for that specific client. 

*Cases :*
- For few ms servers, i see connection timeout, with 0xC00000B5 
- For few ms servers I see connection was successful but while sending or
receiving connection timeout, 
The interface is opened but I am not getting any response from the server
and seeing the above logs. 

*Observations :*
- I used *rpccli_set_timeout* API to fix response timeout issue its working
fine.
- For connection timeout issue I used *cli_set_timeout* but seeing cores and
still issue is there.


Please do needful its must fix for me and urgent. *Any help would be
appreciated
*
Suggest me any code changes needed. I am using samba-4.5.10. 

Thanks. 
Nag



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