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#1 2017-06-01 21:30:54
- spacekookie
- Member
- Registered: 2017-04-30
- Posts: 8
ZFS and linux-lts-userns kernel
My desired setup is in the title: LXD containers with a ZFS backend for easy snapshots, using the linux-lts-userns kernel.
Now, I installed the zfs-dkms package (from AUR), have LXD installed and now when trying to install the lts-userns kernel this happens:
$ makepkg -si
==> Installing linux-lts-userns package group with pacman -U...
[sudo] password for spacekookie:
loading packages...
resolving dependencies...
looking for conflicting packages...
Packages (3) linux-lts-userns-4.9.30-1 linux-lts-userns-docs-4.9.30-1 linux-lts-userns-headers-4.9.30-1
Total Installed Size: 156.94 MiB
Net Upgrade Size: 0.00 MiB
:: Proceed with installation? [Y/n]
(3/3) checking keys in keyring [----------------------------------------] 100%
(3/3) checking package integrity [----------------------------------------] 100%
(3/3) loading package files [----------------------------------------] 100%
(3/3) checking for file conflicts [----------------------------------------] 100%
(3/3) checking available disk space [----------------------------------------] 100%
:: Running pre-transaction hooks...
(1/1) Remove DKMS modules
==> dkms remove zfs/0.6.5.9 -k 4.9.30-1-lts-userns
Error! There is no instance of zfs 0.6.5.9
for kernel 4.9.30-1-lts-userns (x86_64) located in the DKMS tree.
==> dkms remove spl/0.6.5.9 -k 4.9.30-1-lts-userns
Error! There is no instance of spl 0.6.5.9
for kernel 4.9.30-1-lts-userns (x86_64) located in the DKMS tree.
:: Processing package changes...
(1/3) reinstalling linux-lts-userns [----------------------------------------] 100%
>>> Updating module dependencies. Please wait ...
(2/3) reinstalling linux-lts-userns-headers [----------------------------------------] 100%
(3/3) reinstalling linux-lts-userns-docs [----------------------------------------] 100%
:: Running post-transaction hooks...
(1/3) Install DKMS modules
==> dkms install zfs/0.6.5.9 -k 4.9.30-1-lts-userns
configure: error:
*** Please make sure the kmod spl devel <kernel> package for your
*** distribution is installed then try again. If that fails you
*** can specify the location of the spl objects with the
*** '--with-spl-obj=PATH' option.
Error! Bad return status for module build on kernel: 4.9.30-1-lts-userns (x86_64)
Consult /var/lib/dkms/zfs/0.6.5.9/build/make.log for more information.
==> dkms install spl/0.6.5.9 -k 4.9.30-1-lts-userns
Error! Bad return status for module build on kernel: 4.9.30-1-lts-userns (x86_64)
Consult /var/lib/dkms/spl/0.6.5.9/build/make.log for more information.The zfs build log:
DKMS make.log for zfs-0.6.5.9 for kernel 4.9.30-1-lts-userns (x86_64)
Thu Jun 1 22:07:55 CEST 2017
make: *** No targets specified and no makefile found. Stop.And the spl build log: https://pastebin.com/K3WtN9iw
I'm not really sure why building ZFS and SPL fails 
Or if I'm even doing this right.
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#2 2017-06-01 21:48:45
- jasonwryan
- Anarchist
- From: .nz
- Registered: 2009-05-09
- Posts: 30,424
- Website
Re: ZFS and linux-lts-userns kernel
Moving to AUR Issues...
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#3 2017-06-02 10:12:17
- XenGi
- Member
- From: berlin, germany, europe, earth
- Registered: 2013-02-23
- Posts: 35
- Website
Re: ZFS and linux-lts-userns kernel
ZFS for Linux is quite new. The error says there is no zfs module for this kernel version you are using. Maybe try to use linux-userns instead of linux-lts-userns. If you don't need the lts kernel, it's always a good idea to use a newer kernel for experimental features like zfs.
Also, you should use the packages from the Arch zfs repo. They are newer then the ones from aur.
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#4 2017-06-03 08:42:15
- spacekookie
- Member
- Registered: 2017-04-30
- Posts: 8
Re: ZFS and linux-lts-userns kernel
1) The archzfs repo packages don't support dkms and aren't installable with a non-standard kernel
2) I switched to the linux-userns kernel and after installation, dkms building the modules still fails.
When invoking "dkms install zfs/0.6.5.9" manually this is what happens:
checking zfs config... kernel
checking for -Wno-unused-but-set-variable support... yes
checking for -Wno-bool-compare support... yes
checking kernel source directory... /usr/lib/modules/4.11.2-1-userns/build
checking kernel build directory... /usr/lib/modules/4.11.2-1-userns/build
checking kernel source version... 4.11.2-1-userns
checking kernel file name for module symbols... Module.symvers
checking spl source directory... /usr/src/spl-0.6.5.9
checking spl build directory... /var/lib/dkms/spl/0.6.5.9/4.11.2-1-userns/x86_64
configure: error:
*** Please make sure the kmod spl devel <kernel> package for your
*** distribution is installed then try again. If that fails you
*** can specify the location of the spl objects with the
*** '--with-spl-obj=PATH' option.
Building module:
cleaning build area...(bad exit status: 2)
make -j6 KERNELRELEASE=4.11.2-1-userns...(bad exit status: 2)
Error! Bad return status for module build on kernel: 4.11.2-1-userns (x86_64)
Consult /var/lib/dkms/zfs/0.6.5.9/build/make.log for more information.And the log they list has this inside it
DKMS make.log for zfs-0.6.5.9 for kernel 4.11.2-1-userns (x86_64)
Sat Jun 3 10:30:03 CEST 2017
make: *** No targets specified and no makefile found. Stop.which is bizzare 
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#5 2017-06-03 14:48:52
- Lone_Wolf
- Member
- From: Netherlands, Europe
- Registered: 2005-10-04
- Posts: 11,920
Re: ZFS and linux-lts-userns kernel
Looks like the problem could be in spl-dkms package, check the aur comments for it.
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#6 2017-06-11 01:23:34
- franz
- Member
- Registered: 2017-06-11
- Posts: 1
Re: ZFS and linux-lts-userns kernel
I had the same problem with kernel ver. 4.9.30-1-lts-userns
Solution:
1. from AUR install newest package: zfs-dkms-rc (cur. ver. 0.7.0.4-1) with dependencies
2. In console build modules as root:
- first spl by command:
dkms install spl/0.7.0.4 -k 4.9.30-1-lts-userns
- then zfs by command:
dkms install zfs/0.7.0.4 -k 4.9.30-1-lts-userns
ORDER IS MATTER !
After that you can load module by: modprobe zfs
and you can play with ZFS under that kernel verssion 
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