samba - Apr 2016 - print issue from command prompt when jobs submit simultaneously

Hi Samba-Team,

This issue can be reproducible in samba-4.2.5 also.

Please find the attached log file for the same.

Hope I may get some help to resolve it.


Thanks and Regards,
Shivappa


On Mon, Apr 4, 2016 at 11:24 PM, shivappa sangapur <ssangapur3 at
gmail.com>
wrote:
> Hi Samba-Team,
>
> I'm using Fedora Linux and running samba 4.1.9.
>
> When I submit 2 print jobs from 2 windows command prompts from one
> Client PC simultaneously below error is logged and the data is lost
> for one of the job.
> (CMD prompt: copy smbprint.txt \\IPaddress\Print)
>
>
-----------------------------------------------------------------------------------------------------------
> 2015/12/07 22:20:39.004355,  3, pid=30819, effective(99, 99), real(99,
> 0)] ../source3/printing/printspoolss.c:326(print_spool_end)
>   Failed to close printer Print [NT code 0x1c00001a]
>
>
-----------------------------------------------------------------------------------------------------------
>
> This issue occurs for one out of two jobs , only when jobs are
> submitted simultaneously from windows command prompt.
>
> But if we submit jobs one after the other( 2 or 3 seconds delay) the
> error won't come and no loss of data also.
>
> I want to know why this error occurs.
>
> As per the error code mapping it says RPC context mismatch.
>
> I'm confused how context mismatch happened even though SMBsplclose and
> SMBsplopen are having same contexts(as i can see in logs).
>
> This can be reproduced everytime when 2 or more jobs are submitted
> simultaneously from windows command prompt.
> (CMD prompt: copy filename \\IPaddress\Print)
> open two command prompts and execute above on one and use different
> filename on another one)
>
> Could you please help me out to understand why the above error logged.
>
>
>
> Thanks and Regards,
> Shivappa
>


-- 
svsangapur