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

To: "gnats-bugs%netbsd.org@localhost" <gnats-bugs%netbsd.org@localhost>, "kern-bug-people%netbsd.org@localhost" <kern-bug-people%netbsd.org@localhost>, "gnats-admin%netbsd.org@localhost" <gnats-admin%netbsd.org@localhost>, "netbsd-bugs%netbsd.org@localhost" <netbsd-bugs%netbsd.org@localhost>
Subject: RE: kern/59452: Move NFS wcc data messages to debug or control them via sysctl.
From: Marcin Gondek <drixter%e-utp.net@localhost>
Date: Tue, 26 May 2026 10:12:09 +0000

Hi

Now I've proper setup, looking on that, nowccmsg param in NFS mount.

[NetBSD-root@devil:~]$ mount -vvv | grep diskstation6
diskstation6.e-utp.net:/volume1/Applications on /opt type nfs (fsid: 0xb06/0x70b, reads: sync 0 async 0, writes: sync 0 async 0, [nfs: addr=2001:67c:21ec:ffee:18f2:a77c:dc08:aef6, port=2049, addrlen=28, sotype=1, proto=0, fhsize=0, flags=0x108a00<nfsv3,dumbtimr,resvport,nowccmsg>, wsize=32768, rsize=32768, readdirsize=4096, timeo=300, retrans=10, maxgrouplist=16, readahead=2, leaseterm=0, deadthresh=9])
diskstation6.e-utp.net:/volume1/Applications/ftp on /srv/ftp type nfs (fsid: 0xb07/0x70b, reads: sync 0 async 0, writes: sync 0 async 0, [nfs: addr=2001:67c:21ec:ffee:18f2:a77c:dc08:aef6, port=2049, addrlen=28, sotype=1, proto=0, fhsize=0, flags=0x108a00<nfsv3,dumbtimr,resvport,nowccmsg>, wsize=32768, rsize=32768, readdirsize=4096, timeo=300, retrans=10, maxgrouplist=16, readahead=2, leaseterm=0, deadthresh=9])
diskstation6.e-utp.net:/volume1/Applications/html on /var/www/html type nfs (fsid: 0xb08/0x70b, reads: sync 0 async 0, writes: sync 0 async 0, [nfs: addr=2001:67c:21ec:ffee:18f2:a77c:dc08:aef6, port=2049, addrlen=28, sotype=1, proto=0, fhsize=0, flags=0x108a00<nfsv3,dumbtimr,resvport,nowccmsg>, wsize=32768, rsize=32768, readdirsize=4096, timeo=300, retrans=10, maxgrouplist=16, readahead=2, leaseterm=0, deadthresh=9])
diskstation6.e-utp.net:/volume1/Applications/NetBSD on /srv/NetBSD type nfs (fsid: 0xb09/0x70b, reads: sync 0 async 0, writes: sync 0 async 0, [nfs: addr=2001:67c:21ec:ffee:18f2:a77c:dc08:aef6, port=2049, addrlen=28, sotype=1, proto=0, fhsize=0, flags=0x108a00<nfsv3,dumbtimr,resvport,nowccmsg>, wsize=32768, rsize=32768, readdirsize=4096, timeo=300, retrans=10, maxgrouplist=16, readahead=2, leaseterm=0, deadthresh=9])
diskstation6.e-utp.net:/volume1/homes/drixter/public_html on /var/www/html/users/drixter/public_html type nfs (fsid: 0xb0a/0x70b, reads: sync 0 async 0, writes: sync 0 async 0, [nfs: addr=2001:67c:21ec:ffee:18f2:a77c:dc08:aef6, port=2049, addrlen=28, sotype=1, proto=0, fhsize=0, flags=0x108a00<nfsv3,dumbtimr,resvport,nowccmsg>, wsize=32768, rsize=32768, readdirsize=4096, timeo=300, retrans=10, maxgrouplist=16, readahead=2, leaseterm=0, deadthresh=9])
[NetBSD-root@devil:~]$

Thanks,

--
Marcin Gondek / Drixter
http://fido.e-utp.net/
AS56662

-----Original Message-----
From: netbsd-bugs-owner%NetBSD.org@localhost <netbsd-bugs-owner%NetBSD.org@localhost> On Behalf Of Marcin Gondek via gnats
Sent: Tuesday, May 26, 2026 11:55 AM
To: kern-bug-people%netbsd.org@localhost; gnats-admin%netbsd.org@localhost; netbsd-bugs%netbsd.org@localhost; Marcin Gondek <drixter%e-utp.net@localhost>
Subject: RE: kern/59452: Move NFS wcc data messages to debug or control them via sysctl.

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

From: Marcin Gondek <drixter%e-utp.net@localhost>
To: "gnats-bugs%netbsd.org@localhost" <gnats-bugs%netbsd.org@localhost>,
	"kern-bug-people%netbsd.org@localhost" <kern-bug-people%netbsd.org@localhost>,
	"gnats-admin%netbsd.org@localhost" <gnats-admin%netbsd.org@localhost>, "netbsd-bugs%netbsd.org@localhost"
	<netbsd-bugs%netbsd.org@localhost>
Cc: 
Subject: RE: kern/59452: Move NFS wcc data messages to debug or control them  via sysctl.
Date: Tue, 26 May 2026 09:51:01 +0000

 Hi
 
 Ok, I see that I've done something wrong. Double checking...
 
 Thanks,
 
 
 --
 Marcin Gondek / Drixter
 http://fido.e-utp.net/
 AS56662
 
 -----Original Message-----
 From: netbsd-bugs-owner%NetBSD.org@localhost <netbsd-bugs-owner%NetBSD.org@localhost> On Behalf=
  Of Marcin Gondek via gnats
 Sent: Tuesday, May 26, 2026 10:30 AM
 To: kern-bug-people%netbsd.org@localhost; gnats-admin%netbsd.org@localhost; netbsd-bugs@netbsd.=  org; Marcin Gondek <drixter%e-utp.net@localhost>
 Subject: RE: kern/59452: Move NFS wcc data messages to debug or control the=  m via sysctl.
 
 The following reply was made to PR kern/59452; it has been noted by GNATS.
 
 From: Marcin Gondek <drixter%e-utp.net@localhost>
 To: Christos Zoulas <christos%zoulas.com@localhost>
 Cc: "gnats-bugs%netbsd.org@localhost" <gnats-bugs%netbsd.org@localhost>,
 	"kern-bug-people%netbsd.org@localhost" <kern-bug-people%netbsd.org@localhost>,
 	"gnats-admin%netbsd.org@localhost" <gnats-admin%netbsd.org@localhost>, "netbsd-bugs%netbsd.org@localhost=  "
 	<netbsd-bugs%netbsd.org@localhost>
 Subject: RE: kern/59452: Move NFS wcc data messages to debug or control the=  m  via sysctl.
 Date: Tue, 26 May 2026 08:28:33 +0000
 
  Hi Christos
 =20
  Should I use some specific mount option?
 =20
  RC4+patch
  NetBSD devil.e-utp.net 11.0_RC4 NetBSD 11.0_RC4 (DEVIL) #12: Mon May 25 20=  :=3D
  18:27 CEST 2026  root%devil.e-utp.net@localhost:/usr/obj/sys/arch/amd64/compile/DEVI=
 L=3D
   amd64
 =20
  [  1523.851401] diskstation6.e-utp.net:/volume1/Applications/NetBSD: inacc=  u=3D  rate wcc data (ctime) detected, disabling wcc (ctime 1779738980.70554=
 9207 1=3D  779738980.705549207, mtime 1779738980.705549207 1779738980.70554=
 9207)
 =20
  diskstation6.e-utp.net:/volume1/Applications/NetBSD on /srv/NetBSD type nf=  s=3D
   (fsid: 0xb09/0x70b, reads: sync 0 async 0, writes: sync 0 async 0, [nfs: =  a=3D  ddr=3D3D2001:67c:21ec:ffee:18f2:a77c:dc08:aef6, port=3D3D2049, addrle=  n=3D3D28, so=3D  type=3D3D1, proto=3D3D0, fhsize=3D3D0, flags=3D3D0x8a00<nf=  sv3,dumbtimr,resvport>, w=3D  size=3D3D32768, rsize=3D3D32768, readdirsize=  =3D3D4096, timeo=3D3D300, retrans=3D3D10,=3D
   maxgrouplist=3D3D16, readahead=3D3D2, leaseterm=3D3D0, deadthresh=3D3D9])
 =20
  # NetBSD /etc/fstab
  diskstation6.e-utp.net:/volume1/Applications/NetBSD /srv/NetBSD           =
  =3D
        nfs     rw,auto,dumbtimer    0 0
 =20
  Thanks,
 =20
  --
  Marcin Gondek / Drixter
  http://fido.e-utp.net/
  AS56662
 =20
  -----Original Message-----
  From: netbsd-bugs-owner%NetBSD.org@localhost <netbsd-bugs-owner%NetBSD.org@localhost> On Behal=  f=3D
   Of Christos Zoulas via gnats
  Sent: Tuesday, May 26, 2026 12:00 AM
  To: kern-bug-people%netbsd.org@localhost; gnats-admin%netbsd.org@localhost; netbsd-bugs@netbsd=  .=3D  org; Marcin Gondek <drixter%e-utp.net@localhost>
  Subject: Re: kern/59452: Move NFS wcc data messages to debug or control th=  e=3D  m via sysctl.
 =20
  The following reply was made to PR kern/59452; it has been noted by GNATS.
 =20
  From: Christos Zoulas <christos%zoulas.com@localhost>
  To: Marcin Gondek <drixter%e-utp.net@localhost>
  Cc: "gnats-bugs%netbsd.org@localhost" <gnats-bugs%netbsd.org@localhost>,  "kern-bug-people@net=  b=3D  sd.org" <kern-bug-people%netbsd.org@localhost>,  "gnats-admin%netbsd.org@localhost" <gnat=  s-admi=3D  n%netbsd.org@localhost>,  "netbsd-bugs%netbsd.org@localhost" <netbsd-bugs%netbsd.org@localhost=  >
  Subject: Re: kern/59452: Move NFS wcc data messages to debug or control th=  e=3D  m  via sysctl.
  Date: Mon, 25 May 2026 17:56:01 -0400
 =20
   --Apple-Mail=3D3D_13296A71-6C33-4B2A-AA73-5DD9B7A2EBDE
   Content-Transfer-Encoding: quoted-printable
   Content-Type: text/plain;
   	charset=3D3Dutf-8
  =3D20
  =3D20
  =3D20
   > On May 25, 2026, at 3:31=3D3DE2=3D3D80=3D3DAFPM, Marcin Gondek <drixter=  @e-utp.=3D  net> =3D3D
   wrote:
   >=3D3D20
   > Hi Christos,
   >=3D3D20
   > Patch is ok,  just applied to 11.0RC4 sources, recompiled kernel and =  =3D3D=3D
    userland, reboot and observe.
   > Will let you know by EOW how this looks like, maybe there is chance to =  =3D  =3D3D  add into 11.0
   >=3D3D20
  =3D20
   Thanks, if it works I can ask for a pull-up.
  =3D20
   christos
  =3D20
  =3D20
   --Apple-Mail=3D3D_13296A71-6C33-4B2A-AA73-5DD9B7A2EBDE
   Content-Transfer-Encoding: 7bit
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   	filename=3D3Dsignature.asc
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   	name=3D3Dsignature.asc
   Content-Description: Message signed with OpenPGP
  =3D20
   -----BEGIN PGP SIGNATURE-----
   Comment: GPGTools - http://gpgtools.org
  =3D20
   iF0EARECAB0WIQS+BJlbqPkO0MDBdsRxESqxbLM7OgUCahTFcQAKCRBxESqxbLM7
   Oh6OAKCdBiyrdv34ASzbMa1UhjmI/mIJeQCdHQQSG+58ZQeXoQB0km0I3R0rPkc=3D3D
   =3D3D+Tm8
   -----END PGP SIGNATURE-----
  =3D20
   --Apple-Mail=3D3D_13296A71-6C33-4B2A-AA73-5DD9B7A2EBDE--
  =3D20
 =20

References:
- RE: kern/59452: Move NFS wcc data messages to debug or control them via sysctl.
  - From: Marcin Gondek via gnats

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