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Date:      Fri, 02 Nov 2018 06:11:39 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   [Bug 217686] zfs_enable=YES causing vm_fault: pager read error, pid 1 (init)
Message-ID:  <bug-217686-3630-svYiYVNsSG@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-217686-3630@https.bugs.freebsd.org/bugzilla/>
References:  <bug-217686-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D217686

--- Comment #3 from BB Lister <bblister@gmail.com> ---
My /etc/fstab is
# Device                Mountpoint      FStype  Options=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
Dump    Pass#
/dev/ada0s1b            none            swap    sw=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
0       0
/dev/ada0s1a    /               ufs     ro                              1=
=20=20=20=20=20=20
1
/dev/ufs/b5home         /home           ufs     rw,nosuid,noexec=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20
2       2
/dev/ufs/b5usr          /usr            ufs     ro=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
2       2
/dev/ufs/b5var          /var            ufs     rw,nosuid=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
2       2


md              /tmp            mfs     rw,noatime,nosuid,noexec,-s96m=20=
=20=20=20=20=20=20=20=20
0       0
md              /var/run        mfs     rw,nosuid,noexec,-s4m,-p=3D777=20=
=20=20=20=20=20=20=20=20=20=20
0       0


/dev/acd0               /cdrom          cd9660  ro,noauto=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
0       0
tmpfs           /var/db/ramdisk tmpfs   rw,nosuid,noexec,mode=3D777       0=
=20=20=20=20=20=20
0







My ZFS filesystems are all mounted at tank/=20
 mount | grep zfs
tank on /tank (zfs, local, noatime, nfsv4acls)
tank/_Programs on /tank/_Programs (zfs, local, noatime, nfsv4acls)
tank/jails on /tank/jails (zfs, local, noatime, nfsv4acls)
tank/tmp on /tank/tmp (zfs, local, noatime, nosuid, nfsv4acls)
tank/virtualbox on /tank/virtualbox (zfs, local, noatime, nfsv4acls)
tank/.backupdir on /tank/.backupdir (zfs, local, noatime, nfsv4acls)




I can assume that this seems like a race error, where first the ufs directo=
ries
should be mounted (after fsck) and then the ZFS. Now I assume (perhaps I am
wrong) that zfs tries to get mounted before any UFS filesystem is mounted a=
nd
this causes that problem.

If the UFS directories are mounted first then I can start zfs whithout prob=
lem,
as I have shown in my previous post.

--=20
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