Building the dkms package: ``` user@plug:/home/user/$ git clone https://github.com/fgbreel/mars.git && cd mars user@plug:/home/user/mars$ git checkout debian/sid user@plug:/home/user/mars$ gbp buildpackage --git-pristine-tar --git-pristine-tar-commit --git-upstream-tag='mars%(version)s' --git-debian-branch=debian/sid -us -uc gbp:info: Creating /home/user/mars_0.1astable114.orig.tar.gz gbp:info: Performing the build dpkg-buildpackage -us -uc -ui -i -I dpkg-buildpackage: info: source package mars dpkg-buildpackage: info: source version 0.1astable114-1 dpkg-buildpackage: info: source distribution unstable dpkg-buildpackage: info: source changed by Gabriel Francisco dpkg-source -i -I --before-build . dpkg-buildpackage: info: host architecture amd64 fakeroot debian/rules clean dh clean --with dkms debian/rules override_dh_auto_clean make[1]: Entering directory '/home/user/mars' make[1]: Leaving directory '/home/user/mars' dh_clean dpkg-source -i -I -b . dpkg-source: info: using source format '3.0 (quilt)' dpkg-source: info: building mars using existing ./mars_0.1astable114.orig.tar.gz dpkg-source: info: building mars in mars_0.1astable114-1.debian.tar.xz dpkg-source: info: building mars in mars_0.1astable114-1.dsc debian/rules build dh build --with dkms dh_update_autotools_config dh_autoreconf create-stamp debian/debhelper-build-stamp fakeroot debian/rules binary dh binary --with dkms dh_testroot dh_prep debian/rules override_dh_install make[1]: Entering directory '/home/user/mars' cp debian/mars-Makefile kernel/Makefile cp debian/mars-Kbuild kernel/Kbuild dh_install scripts/gen_config.pl usr/src/mars-0.1astable114/ dh_install kernel/* usr/src/mars-0.1astable114/ make[1]: Leaving directory '/home/user/mars' dh_installdocs dh_installchangelogs dh_installman dh_installcron debian/rules override_dh_dkms make[1]: Entering directory '/home/user/mars' dh_dkms -V 0.1astable114 make[1]: Leaving directory '/home/user/mars' dh_perl dh_link dh_strip_nondeterminism dh_compress dh_fixperms dh_missing dh_strip dh_makeshlibs dh_shlibdeps dh_installdeb dh_gencontrol dh_md5sums dh_builddeb dpkg-deb: building package 'mars-dkms' in '../mars-dkms_0.1astable114-1_amd64.deb'. dpkg-deb: building package 'mars-tools' in '../mars-tools_0.1astable114-1_amd64.deb'. dpkg-genbuildinfo dpkg-genchanges >../mars_0.1astable114-1_amd64.changes dpkg-genchanges: info: including full source code in upload dpkg-source -i -I --after-build . dpkg-buildpackage: info: full upload (original source is included) ``` Installing on target computer: ``` root@plug:/home/user# apt install ./mars-dkms_0.1astable114-1_amd64.deb Reading package lists... Done Building dependency tree Reading state information... Done Note, selecting 'mars-dkms' instead of './mars-dkms_0.1astable114-1_amd64.deb' The following NEW packages will be installed: mars-dkms 0 upgraded, 1 newly installed, 0 to remove and 100 not upgraded. Need to get 0 B/223 kB of archives. After this operation, 1144 kB of additional disk space will be used. Get:1 /home/user/mars-dkms_0.1astable114-1_amd64.deb mars-dkms amd64 0.1astable114-1 [223 kB] Selecting previously unselected package mars-dkms. (Reading database ... 222033 files and directories currently installed.) Preparing to unpack .../mars-dkms_0.1astable114-1_amd64.deb ... Unpacking mars-dkms (0.1astable114-1) ... Setting up mars-dkms (0.1astable114-1) ... Loading new mars-0.1astable114 DKMS files... Building for 4.9.0-13-amd64 Building initial module for 4.9.0-13-amd64 Done. mars.ko: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/4.9.0-13-amd64/updates/dkms/ depmod... DKMS: install completed. root@plug:/home/user# stat /lib/modules/4.9.0-13-amd64/updates/dkms/mars.ko File: /lib/modules/4.9.0-13-amd64/updates/dkms/mars.ko Size: 861440 Blocks: 1688 IO Block: 4096 regular file Device: fe01h/65025d Inode: 525826 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2020-11-19 18:20:55.082662798 +0100 Modify: 2020-11-19 18:20:54.862664958 +0100 Change: 2020-11-19 18:20:54.862664958 +0100 Birth: - ``` Return from `dmesg` from target computer: ``` root@plug:/home/user# fallocate -l 10G foo root@plug:/home/user# losetup -f foo root@plug:/home/user# vgcreate mars /dev/loop0 root@plug:/home/user# lvcreate -n mars -L 9G mars root@plug:/home/user# mkfs -t ext4 /dev/mapper/mars-mars root@plug:/home/user# mount /dev/mapper/mars-mars /mars/ root@plug:/home/user# modprobe mars root@plug:/home/user# dmesg | tail [44413.535164] Cluster UUID is missing. Mount /mars/, and/or say {create,join}-cluster afterwwards. [44413.535172] loading MARS, BUILDTAG=no-buildtag-available BUILDHOST=user@plug BUILDDATE=2020-11-20 03:31:33 [44413.590445] crc32c digest duration = 56001256 ns [44413.633954] crc32 digest duration = 44000989 ns [44413.929130] sha1 digest duration = 296006661 ns [44414.185517] md5old digest duration = 256005761 ns [44414.449394] md5 digest duration = 264005939 ns [44414.484375] lzo compress duration = 36000810 ns [44414.526621] lz4 compress duration = 40000900 ns [44415.499954] zlib compress duration = 976021964 ns ```