[Samba] remove_oplock: failed to lock share entry...

[Jeremy Allison]

On Tue, Jun 28, 2016 at 11:59:32AM -0400, Thomas Schulz wrote:
> This with Samba 4.4.3 on Solaris 10.
> 
> I have been looking at the logs and see messages such as:
> 
> [2016/06/13 14:20:37.074011,  0] ../source3/smbd/oplock.c:242(remove_oplock)
>   remove_oplock: failed to lock share entry for file packages/winnt/adv084/8.4.1/8.4.1.6.iso
> [2016/06/13 14:20:37.075061,  0] ../source3/smbd/close.c:266(close_remove_share_mode)
>   close_remove_share_mode: Could not get share mode lock for file packages/winnt/adv084/8.4.1/8.4.1.6.iso
> [2016/06/13 14:23:01.072610,  0] ../source3/smbd/oplock.c:242(remove_oplock)
>   remove_oplock: failed to lock share entry for file packages/winnt/adv084/8.4.1/8.4.1.6.iso
> [2016/06/13 14:23:01.073817,  0] ../source3/smbd/close.c:266(close_remove_share_mode)
>   close_remove_share_mode: Could not get share mode lock for file packages/winnt/adv084/8.4.1/8.4.1.6.iso
> [2016/06/13 15:04:18.057655,  0] ../source3/smbd/oplock.c:242(remove_oplock)
>   remove_oplock: failed to lock share entry for file packages/winnt/adv084/8.4.1/8.4.1.6.iso
> [2016/06/13 15:04:18.058317,  0] ../source3/smbd/close.c:266(close_remove_share_mode)
>   close_remove_share_mode: Could not get share mode lock for file packages/winnt/adv084/8.4.1/8.4.1.6.iso
> [2016/06/13 15:06:54.056727,  0] ../source3/smbd/oplock.c:242(remove_oplock)
>   remove_oplock: failed to lock share entry for file packages/winnt/adv084/8.4.1/8.4.1.6.iso
> [2016/06/13 15:06:54.057446,  0] ../source3/smbd/close.c:266(close_remove_share_mode)
>   close_remove_share_mode: Could not get share mode lock for file packages/winnt/adv084/8.4.1/8.4.1.6.iso
> [2016/06/15 09:57:17.972291,  0] ../source3/smbd/oplock.c:249(remove_oplock)
>   remove_oplock: failed to remove share oplock for file packages/winnt/adv084/8.4.1/8.4.1.06/8.4.1.6.iso, fnum 3017253363, 5fc2427:427f00:0
> [2016/06/15 09:57:17.988051,  0] ../source3/smbd/close.c:485(close_remove_share_mode)
>   close_remove_share_mode: Could not delete share entry for file packages/winnt/adv084/8.4.1/8.4.1.06/8.4.1.6.iso
> [2016/06/15 09:57:36.589452,  0] ../source3/smbd/oplock.c:242(remove_oplock)
>   remove_oplock: failed to lock share entry for file packages/winnt/adv084/8.4.1/8.4.1.06/8.4.1.6.iso
> [2016/06/15 09:57:36.590066,  0] ../source3/smbd/close.c:266(close_remove_share_mode)
>   close_remove_share_mode: Could not get share mode lock for file packages/winnt/adv084/8.4.1/8.4.1.06/8.4.1.6.iso
> [2016/06/15 10:00:18.588402,  0] ../source3/smbd/oplock.c:242(remove_oplock)
>   remove_oplock: failed to lock share entry for file packages/winnt/adv084/8.4.1/8.4.1.06/8.4.1.6.iso
> [2016/06/15 10:00:18.589054,  0] ../source3/smbd/close.c:266(close_remove_share_mode)
>   close_remove_share_mode: Could not get share mode lock for file packages/winnt/adv084/8.4.1/8.4.1.06/8.4.1.6.iso
> 
> These are on an nfs mounted file system. What could cause this and is
> this something to worry about?

Don't know yet. It is unusual - the first message means it can't
find the open file mode entry that should exist for every open file.

Any chance of more context ?