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

To: kern-bug-people%netbsd.org@localhost,gnats-admin%netbsd.org@localhost,netbsd-bugs%netbsd.org@localhost,drixter%e-utp.net@localhost
Subject: RE: kern/59452: Move NFS wcc data messages to debug or control them via sysctl.
From: "Marcin Gondek via gnats" <gnats-admin%NetBSD.org@localhost>
Date: Tue, 26 May 2026 15:50:02 +0000 (UTC)
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 them
 via sysctl.
Date: Tue, 26 May 2026 15:45:50 +0000

 Hi Christos,
 
 Looking good from my side, few hours of run without any messages in dmesg a=
 bout "wcc"
 
 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=3D2001:67c=
 :21ec:ffee:18f2:a77c:dc08:aef6, port=3D2049, addrlen=3D28, sotype=3D1, prot=
 o=3D0, fhsize=3D0, flags=3D0x108a00<nfsv3,dumbtimr,resvport,nowccmsg>, wsiz=
 e=3D32768, rsize=3D32768, readdirsize=3D4096, timeo=3D300, retrans=3D10, ma=
 xgrouplist=3D16, readahead=3D2, leaseterm=3D0, deadthresh=3D9])
 
 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=3D=
 2001:67c:21ec:ffee:18f2:a77c:dc08:aef6, port=3D2049, addrlen=3D28, sotype=
 =3D1, proto=3D0, fhsize=3D0, flags=3D0x108a00<nfsv3,dumbtimr,resvport,nowcc=
 msg>, wsize=3D32768, rsize=3D32768, readdirsize=3D4096, timeo=3D300, retran=
 s=3D10, maxgrouplist=3D16, readahead=3D2, leaseterm=3D0, deadthresh=3D9])
 
 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: a=
 ddr=3D2001:67c:21ec:ffee:18f2:a77c:dc08:aef6, port=3D2049, addrlen=3D28, so=
 type=3D1, proto=3D0, fhsize=3D0, flags=3D0x108a00<nfsv3,dumbtimr,resvport,n=
 owccmsg>, wsize=3D32768, rsize=3D32768, readdirsize=3D4096, timeo=3D300, re=
 trans=3D10, maxgrouplist=3D16, readahead=3D2, leaseterm=3D0, deadthresh=3D9=
 ])
 
 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: a=
 ddr=3D2001:67c:21ec:ffee:18f2:a77c:dc08:aef6, port=3D2049, addrlen=3D28, so=
 type=3D1, proto=3D0, fhsize=3D0, flags=3D0x108a00<nfsv3,dumbtimr,resvport,n=
 owccmsg>, wsize=3D32768, rsize=3D32768, readdirsize=3D4096, timeo=3D300, re=
 trans=3D10, maxgrouplist=3D16, readahead=3D2, leaseterm=3D0, deadthresh=3D9=
 ])
 
 #NFS
 diskstation6.e-utp.net:/volume1/Applications     /opt                      =
        nfs     rw,auto,dumbtimer,nowccmsg    0 0
 diskstation6.e-utp.net:/volume1/Applications/ftp /srv/ftp                  =
        nfs     rw,auto,dumbtimer,nowccmsg    0 0
 diskstation6.e-utp.net:/volume1/Applications/html /var/www/html            =
        nfs     rw,auto,dumbtimer,nowccmsg    0 0
 diskstation6.e-utp.net:/volume1/Applications/NetBSD /srv/NetBSD            =
       nfs     rw,auto,dumbtimer,nowccmsg    0 0
 
 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 Christos Zoulas via gnats
 Sent: Tuesday, May 26, 2026 1:55 PM
 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: Christos Zoulas <christos%zoulas.com@localhost>
 To: Marcin Gondek <drixter%e-utp.net@localhost>
 Cc: gnats-bugs%netbsd.org@localhost, kern-bug-people%netbsd.org@localhost,  gnats-admin@netbsd.=
 org, 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 07:52:18 -0400
 
  Yes, -o nowccmsg
 =20
  christos
 =20
  > On May 26, 2026, at 5:51=3DE2=3D80=3DAFAM, Marcin Gondek <drixter@e-utp.=
 net> wro=3D
  te:
  >=3D20
  > =3DEF=3DBB=3DBFHi
  >=3D20
  > Ok, I see that I've done something wrong. Double checking...
  >=3D20
  > Thanks,
  >=3D20
  >=3D20
  > --
  > Marcin Gondek / Drixter
  > http://fido.e-utp.net/
  > AS56662
  >=3D20
  > -----Original Message-----
  > From: netbsd-bugs-owner%NetBSD.org@localhost <netbsd-bugs-owner%NetBSD.org@localhost> On Beh=
 al=3D  f 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@net=
 bsd=3D  .org; Marcin Gondek <drixter%e-utp.net@localhost>  > Subject: RE: kern/59452:=
  Move NFS wcc data messages to debug or control th=3D  em via sysctl.
  >=3D20
  > The following reply was made to PR kern/59452; it has been noted by GNAT=
 S.=3D
 =20
  >=3D20
  > From: Marcin Gondek <drixter%e-utp.net@localhost>  > To: Christos Zoulas <christos=
 @zoulas.com>  > 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@netbs=
 d.=3D
  org"
  >    <netbsd-bugs%netbsd.org@localhost>
  > Subject: RE: kern/59452: Move NFS wcc data messages to debug or control =
 th=3D  em  via sysctl.
  > Date: Tue, 26 May 2026 08:28:33 +0000
  >=3D20
  > Hi Christos
  >=3D20
  > Should I use some specific mount option?
  >=3D20
  > RC4+patch
  > NetBSD devil.e-utp.net 11.0_RC4 NetBSD 11.0_RC4 (DEVIL) #12: Mon May 25 =
 20=3D  :=3D3D  > 18:27 CEST 2026  root%devil.e-utp.net@localhost:/usr/obj/sys/arch/am=
 d64/compile/DEVI=3D
  L=3D3D
  >  amd64
  >=3D20
  > [  1523.851401] diskstation6.e-utp.net:/volume1/Applications/NetBSD: ina=
 cc=3D  u=3D3D  rate wcc data (ctime) detected, disabling wcc (ctime 1779738=
 980.705549=3D
  207 1=3D3D  779738980.705549207, mtime 1779738980.705549207 1779738980.705=
 5492=3D
  07)
  >=3D20
  > diskstation6.e-utp.net:/volume1/Applications/NetBSD on /srv/NetBSD type =
 nf=3D  s=3D3D  >  (fsid: 0xb09/0x70b, reads: sync 0 async 0, writes: sync 0=
  async 0, [nfs: a=3D  =3D3D  ddr=3D3D3D2001:67c:21ec:ffee:18f2:a77c:dc08:ae=
 f6, port=3D3D3D2049, addrlen=3D3D=3D  3D28, so=3D3D  type=3D3D3D1, proto=3D=
 3D3D0, fhsize=3D3D3D0, flags=3D3D3D0x8a00<nfsv3,d=3D  umbtimr,resvport>, w=
 =3D3D  size=3D3D3D32768, rsize=3D3D3D32768, readdirsize=3D3D3D40=3D  96, ti=
 meo=3D3D3D300, retrans=3D3D3D10,=3D3D  >  maxgrouplist=3D3D3D16, readahead=
 =3D3D3D2, leaseterm=3D3D3D0, deadthresh=3D3D3D9])=3D
 =20
  >=3D20
  > # NetBSD /etc/fstab
  > diskstation6.e-utp.net:/volume1/Applications/NetBSD /srv/NetBSD         =
   =3D
   =3D3D
  >       nfs     rw,auto,dumbtimer    0 0
  >=3D20
  > Thanks,
  >=3D20
  > --
  > Marcin Gondek / Drixter
  > http://fido.e-utp.net/
  > AS56662
  >=3D20
  > -----Original Message-----
  > From: netbsd-bugs-owner%NetBSD.org@localhost <netbsd-bugs-owner%NetBSD.org@localhost> On Beh=
 al=3D  f=3D3D  >  Of Christos Zoulas via gnats  > Sent: Tuesday, May 26, 20=
 26 12:00 AM  > To: kern-bug-people%netbsd.org@localhost; gnats-admin%netbsd.org@localhost; netb=
 sd-bugs@netbsd=3D  .=3D3D  org; Marcin Gondek <drixter%e-utp.net@localhost>  > Subjec=
 t: Re: kern/59452: Move NFS wcc data messages to debug or control th=3D  e=
 =3D3D  m via sysctl.
  >=3D20
  > The following reply was made to PR kern/59452; it has been noted by GNAT=
 S.=3D
 =20
  >=3D20
  > From: Christos Zoulas <christos%zoulas.com@localhost>  > To: Marcin Gondek <drixte=
 r%e-utp.net@localhost>  > Cc: "gnats-bugs%netbsd.org@localhost" <gnats-bugs%netbsd.org@localhost>,  "kern=
 -bug-people@net=3D  b=3D3D  sd.org" <kern-bug-people%netbsd.org@localhost>,  "gnats-a=
 dmin%netbsd.org@localhost" <gnats=3D  -admi=3D3D  n%netbsd.org@localhost>,  "netbsd-bugs@netbsd=
 .org" <netbsd-bugs%netbsd.org@localhost>  > Subject: Re: kern/59452: Move NFS wcc dat=
 a messages to debug or control th=3D  e=3D3D  m  via sysctl.
  > Date: Mon, 25 May 2026 17:56:01 -0400
  >=3D20
  >  --Apple-Mail=3D3D3D_13296A71-6C33-4B2A-AA73-5DD9B7A2EBDE
  >  Content-Transfer-Encoding: quoted-printable  >  Content-Type: text/plai=
 n;
  >      charset=3D3D3Dutf-8
  > =3D3D20
  > =3D3D20
  > =3D3D20
  >>> On May 25, 2026, at 3:31=3D3D3DE2=3D3D3D80=3D3D3DAFPM, Marcin Gondek <=
 drixter@=3D  e-utp.=3D3D  net> =3D3D3D  >>  wrote:
  >> =3D3D3D20
  >> Hi Christos,
  >> =3D3D3D20
  >> Patch is ok,  just applied to 11.0RC4 sources, recompiled kernel and =
 =3D3D3=3D  D=3D3D
  >   userland, reboot and observe.
  >> Will let you know by EOW how this looks like, maybe there is chance to =
 =3D3D=3D
    =3D3D3D  add into 11.0
  >> =3D3D3D20
  > =3D3D20
  >  Thanks, if it works I can ask for a pull-up.
  > =3D3D20
  >  christos
  > =3D3D20
  > =3D3D20
  >  --Apple-Mail=3D3D3D_13296A71-6C33-4B2A-AA73-5DD9B7A2EBDE
  >  Content-Transfer-Encoding: 7bit
  >  Content-Disposition: attachment;
  >      filename=3D3D3Dsignature.asc
  >  Content-Type: application/pgp-signature;
  >      name=3D3D3Dsignature.asc
  >  Content-Description: Message signed with OpenPGP  > =3D3D20  >  -----BE=
 GIN PGP SIGNATURE-----  >  Comment: GPGTools - http://gpgtools.org  > =3D3D=
 20  >  iF0EARECAB0WIQS+BJlbqPkO0MDBdsRxESqxbLM7OgUCahTFcQAKCRBxESqxbLM7
  >  Oh6OAKCdBiyrdv34ASzbMa1UhjmI/mIJeQCdHQQSG+58ZQeXoQB0km0I3R0rPkc=3D3D3D
  >  =3D3D3D+Tm8
  >  -----END PGP SIGNATURE-----
  > =3D3D20
  >  --Apple-Mail=3D3D3D_13296A71-6C33-4B2A-AA73-5DD9B7A2EBDE--
  > =3D3D20
  >=3D20
  >=3D20
  >=3D20
  > --
  > This message has been 'sanitized'.  This means that potentially  > dange=
 rous content has been rewritten or removed.  The following  > log describes=
  which actions were taken.
  >=3D20
  > Sanitizer (start=3D3D"1779789082"):
  >  Split unusually long word(s) in header.
  >  SanitizeFile (filename=3D3D"unnamed.txt", mimetype=3D3D"text/plain"):
  >    Match (names=3D3D"unnamed.txt", rule=3D3D"9"):
  >      Enforced policy: accept
  >=3D20
  >  Total modifications so far: 1
  >=3D20
  >=3D20
  > Anomy 0.0.0 : Sanitizer.pm
  > $Id: Sanitizer.pm,v 1.94 2006/01/02 16:43:10 bre Exp $
 =20
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