Subject: bug#72641: 31.0.50; "Unlocking file: Invalid argument" when deleting lock file on network file system

From: Mike Kupfer <[email-masked]>
Date: Sat, 17 Aug 2024 15:55:16 -0700

Paul Eggert wrote:

> You might try doing your CIFS mount with the mfsymlinks option. See:
> 
> https://docs.kernel.org/admin-guide/cifs/usage.html

I see from that document that the CIFS client has a tunable cache
timeout.  I'd also try setting actimeo=0 and see if that helps.

mike