[Samba] Constant error messages about failure to remove oplock

[Volker Lendecke]

On Thu, Jul 09, 2015 at 10:39:58AM +0530, Shyam Kaushik wrote:
> Hi All,
> 
> Need your help/inputs on what could be the probable cause/how to debug
> this further.
> 
> We are using samba-4.0.25 & expose a share that has oplocks enabled & no
> kernel-oplocks set. We constantly see these messages in samba logs
> 
> 	[2015/06/25 03:05:30.593150,  0, pid=1581, class=locking]
> ../source3/smbd/oplock_linux.c:184(linux_release_kernel_oplock)
> 	  linux_release_kernel_oplock: Error when removing kernel oplock
> on file ~test.pst.tmp, file_id = 10fcbd:4a9ff1c:0, gen_id = 3680654993.
> Error was Resource temporarily unavailable

Do you have "kernel oplocks = no" set? Then this is
surprising to see. If you can reproduce it, can you send the
output of

strace -ttT -p <smbd-pid> 

for such an smbd from before opening the file to the error?

Thanks,

Volker Lendecke

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