Re: kern/59452: Move NFS wcc data messages to debug or control them via sysctl.

["Michael van Elst via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR kern/59452; it has been noted by GNATS.

From: mlelstv%serpens.de@localhost (Michael van Elst)
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/59452: Move NFS wcc data messages to debug or control them via sysctl.
Date: Sun, 1 Jun 2025 11:41:06 -0000 (UTC)

 drixter%e-utp.net@localhost writes:
 
 >I know that such messages should not generally appear if the NFS server is working properly. But unfortunately it is not repairable everywhere -> Synology NFS, hence the question about the possibility of moving these messages to the DEBUG variant or maybe make it controlable via sysctl.
 
 >[ 514378.384585] diskstation6.e-utp.net:/volume1/Applications/NetBSD: re-enabling wcc
 >[ 514557.066122] diskstation6.e-utp.net:/volume1/Applications/NetBSD: inaccurate wcc data (ctime) detected, disabling wcc (ctime 1748374671.270579777 1748374671.270579777, mtime 1748374671.270579777 1748374671.270579777)
 
 Most of the messages appear to be "re-enabling" + "disabling wcc" again within a few seconds.
 
 What happens when you just disable the attribute cache when mounting with 'mount -o noac' ? It's hardly used anyway.