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Hermes SMTP Server) with ESMTPA ID 2f365ac67aafc99443667eb3dfdae032; Fri, 14 Nov 2025 00:51:31 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81\)) Subject: Re: nfs hang Message-Id: Date: Thu, 13 Nov 2025 16:51:20 -0800 To: Ronald Klop , rick.macklem@gmail.com, freebsd-fs@freebsd.org X-Mailer: Apple Mail (2.3826.700.81) References: X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.98 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-0.99)[-0.994]; NEURAL_HAM_SHORT(-0.99)[-0.989]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; MIME_GOOD(-0.10)[text/plain]; DKIM_TRACE(0.00)[yahoo.com:+]; RCVD_TLS_LAST(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FREEMAIL_TO(0.00)[freebsd.org,gmail.com]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; ARC_NA(0.00)[]; FREEMAIL_FROM(0.00)[yahoo.com]; TO_DN_SOME(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; FROM_HAS_DN(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[98.137.69.206:from]; MLMMJ_DEST(0.00)[freebsd-fs@freebsd.org]; APPLE_MAILER_COMMON(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.69.206:from]; TAGGED_RCPT(0.00)[]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim] X-Rspamd-Queue-Id: 4d6z9Q4G1rz3g2F Ronald Klop wrote on Date: Thu, 13 Nov 2025 17:17:48 UTC : > Op 13-11-2025 om 14:06 schreef Rick Macklem: > > On Thu, Nov 13, 2025 at 2:45=E2=80=AFAM Ronald Klop = wrote: > >> > >> Op 13-11-2025 om 11:41 schreef Ronald Klop: > >>> . . . > >>> > >>> > >> > >> > >> . . . > > Do you have more than one client mounting the file system? > > If you do, make sure they all have different /etc/hostid's. > > (Cloning a system disk without deleting /etc/hostid can > > result in multiple clients with the same /etc/hostid. That > > mean they are "the same client" to the NFSv4 server > > and that can cause the above.) > >=20 > > If this is not the problem, I don't know why you'd see the > > above but I suspect the above explains the hang. > >=20 > > rick > >=20 >=20 >=20 > Two clients. Both have different /etc/hostid. >=20 > I noticed that the procstat stacks start with "null_reclaim". And = poudriere null-mounts the nfs mounts in the poudriere-jails. Do the poudriere jails on each host use the host's /etc/hostid (by = content)? Any worries about needing poudriere jail /etc/hostid content uniqueness? > Could nfs+nullfs give some trouble? Or maybe it is just nullfs that = hangs everything and the nfs stuff is just a result of it. >=20 > At the same moment I had git hanging on a non-NFS mount. See = attachment for the procstat which also includes nfs-calls. =3D=3D=3D Mark Millard marklmi at yahoo.com