Re: [BUG] NFSv4.2: futimens() returns success without sending SETATTR

Michael Yang <[email protected]> Sat, 25 Jul 2026 04:07:04 +0000
Newsgroups org.kernel.vger.linux-nfs
Message-ID <rW3QLccRCVEh1K5wdSXYsXqoy7-0LhDI_yFdXIxHj9L8v9BfBdI1U3RM4eAqhktqrOiL25N_JPtUBygWz1v3yxT3OBnZxjSTtW9Pyk9Ngmk=@proton.me>
On Friday, 24 July 2026 at 05:22, Holger Hoffstätte <[email protected]> wrote:

> Confirmed (also with 7.1.x) and thank you for tracking down the details.
> This has been driving me nuts for quite a while, but I could not figure out
> whether it's my very historic NFS config, server- or client-side, autofs or
> whatever. Thanks for saving me a ton of time wiresharking and stracing.

Thanks for the confirmation. 

I've found this report (https://bugzilla.proxmox.com/show_bug.cgi?id=7621) where the problem manifested as early as 6.17.x and 7.0.x (but is not present on the 6.12.88 LTS kernel), and is isolated to NFSv4.2. 

I can confirm with client mount option vers=4.1, the timestamps update successfully on the server.


Regards,
Michael