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How can I `umount` home?

My laptop, which runs Fedora, occasionally completely locks up. The only thing that works is the hardware screen on/off button. I am endeavouring to fix that. Thus far, I have fixed an error in GRUB, and determined the RAM is fine via memcheck86.

My home partition is on an LVM at /dev/mapper/fedora-home.

e2fsck -nf /dev/mapper/fedora-home says that there are errors on my home partition. Unfortunately, I can't e2fsck -p /dev/mapper/fedora-home because the partition won't unmount. When I end it, one of the processes using home causes GNOME to crash and return me to the login screen (the third one when I run fuser -kim /dev/mapper/fedora-home). I have been sure to cd out of home when attempting e2fsck -p.

I could really use some help in analyzing the issue here, please.You can see what I attempted below. For some reason I was in etc, but the result is the same in root. A good start would be knowing what the heck all these processes are that are apparently using home, and more importantly how I can get rid of them.

[USER@localhost etc]$ sudo e2fsck -p /dev/mapper/fedora-home
/dev/mapper/fedora-home is mounted.
e2fsck: Cannot continue, aborting.


[USER@localhost etc]$ sudo umount /dev/mapper/fedora-home
umount: /home: target is busy.
[USER@localhost etc]$ sudo lsof /dev/mapper/fedora-home
lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs
      Output information may be incomplete.
COMMAND    PID            USER   FD   TYPE DEVICE SIZE/OFF    NODE NAME
colord    4009          colord  mem    REG  253,2     1412 1481203 /home/USER/.local/share/icc/edid-11ff17e77b278e1b714b5e165dbf0cb9.icc
colord    4009          colord  mem    REG  253,2     1412 1443086 /home/USER/.local/share/icc/edid-bfbbb2dfda6182762a678e26ebed9ff1.icc
colord    4009          colord  mem    REG  253,2     1492 1442212 /home/USER/.local/share/icc/edid-1b2266850a4f63f0dd1d7ab0369c77d7.icc
colord    4009          colord  mem    REG  253,2     1332 1441876 /home/USER/.local/share/icc/edid-9cd68f8e2f82369cfc76962f157007fa.icc
pulseaudi 4122 USER  mem    REG  253,2    24576 1442505 /home/USER/.config/pulse/f2a6f9bd396a4ed9b1e637ec8c4d5031-card-database.tdb
pulseaudi 4122 USER  mem    REG  253,2    12288 1442138 /home/USER/.config/pulse/f2a6f9bd396a4ed9b1e637ec8c4d5031-stream-volumes.tdb
pulseaudi 4122 USER  mem    REG  253,2     8192 1442088 /home/USER/.config/pulse/f2a6f9bd396a4ed9b1e637ec8c4d5031-device-volumes.tdb
pulseaudi 4122 USER   10u   REG  253,2     8192 1442088 /home/USER/.config/pulse/f2a6f9bd396a4ed9b1e637ec8c4d5031-device-volumes.tdb
pulseaudi 4122 USER   11u   REG  253,2    12288 1442138 /home/USER/.config/pulse/f2a6f9bd396a4ed9b1e637ec8c4d5031-stream-volumes.tdb
pulseaudi 4122 USER   12u   REG  253,2    24576 1442505 /home/USER/.config/pulse/f2a6f9bd396a4ed9b1e637ec8c4d5031-card-database.tdb
dbus-daem 4135 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gdm-wayla 4138 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gnome-ses 4141 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gnome-ses 4141 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gnome-she 4572 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gnome-she 4572 USER  mem    REG  253,2    47944 1442573 /home/USER/.cache/fontconfig/3735ab32-806c-43d9-89aa-98af784b5130-le64.cache-7
gnome-she 4572 USER  DEL    REG  253,2          1484206 /home/USER/.local/share/gvfs-metadata/home-598d6317.log
gnome-she 4572 USER  DEL    REG  253,2          1445684 /home/USER/.local/share/gvfs-metadata/home
gnome-she 4572 USER  mem    REG  253,2    20275 1494996 /home/USER/.config/dconf/user
gnome-she 4572 USER   62r   REG  253,2    12492 1445684 /home/USER/.local/share/gvfs-metadata/home (deleted)
gnome-she 4572 USER   64r   REG  253,2    32768 1484206 /home/USER/.local/share/gvfs-metadata/home-598d6317.log (deleted)
gnome-she 4572 USER   65u   REG  253,2    12288 1443286 /home/USER/.cache/event-sound-cache.tdb.f2a6f9bd396a4ed9b1e637ec8c4d5031.x86_64-redhat-linux-gnu
gvfsd     4588 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gvfsd-fus 4595 USER  cwd    DIR  253,2     4096 1441793 /home/USER
Xwayland  4605 USER  cwd    DIR  253,2     4096 1441793 /home/USER
at-spi-bu 4611 USER  cwd    DIR  253,2     4096 1441793 /home/USER
at-spi-bu 4611 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
dbus-daem 4616 USER  cwd    DIR  253,2     4096 1441793 /home/USER
at-spi2-r 4619 USER  cwd    DIR  253,2     4096 1441793 /home/USER
ibus-daem 4631 USER  cwd    DIR  253,2     4096 1441793 /home/USER
ibus-dcon 4635 USER  cwd    DIR  253,2     4096 1441793 /home/USER
ibus-dcon 4635 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
ibus-exte 4636 USER  cwd    DIR  253,2     4096 1441793 /home/USER
ibus-exte 4636 USER  mem    REG  253,2    47944 1442573 /home/USER/.cache/fontconfig/3735ab32-806c-43d9-89aa-98af784b5130-le64.cache-7
ibus-exte 4636 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
ibus-x11  4638 USER  cwd    DIR  253,2     4096 1441793 /home/USER
ibus-port 4640 USER  cwd    DIR  253,2     4096 1441793 /home/USER
xdg-permi 4652 USER  cwd    DIR  253,2     4096 1441793 /home/USER
xdg-permi 4652 USER  mem    REG  253,2      400 1472068 /home/USER/.local/share/flatpak/db/gnome
gnome-she 4654 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gnome-she 4654 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
evolution 4662 USER  cwd    DIR  253,2     4096 1441793 /home/USER
evolution 4662 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
goa-daemo 4683 USER  cwd    DIR  253,2     4096 1441793 /home/USER
goa-daemo 4683 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gvfs-udis 4684 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gvfs-afc- 4694 USER  cwd    DIR  253,2     4096 1441793 /home/USER
goa-ident 4698 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gvfs-gpho 4703 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gvfs-goa- 4710 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gvfs-mtp- 4714 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-power 4722 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-power 4722 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gsd-print 4723 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-rfkil 4724 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-scree 4725 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-shari 4728 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-shari 4728 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gsd-xsett 4735 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-xsett 4735 USER  mem    REG  253,2    47944 1442573 /home/USER/.cache/fontconfig/3735ab32-806c-43d9-89aa-98af784b5130-le64.cache-7
gsd-xsett 4735 USER  DEL    REG  253,2          1443941 /home/USER/.config/dconf/user
gsd-wacom 4736 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-smart 4737 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-smart 4737 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gsd-smart 4737 USER    9u   REG  253,2    28672 1443311 /home/USER/.pki/nssdb/cert9.db
gsd-smart 4737 USER   10u   REG  253,2    36864 1443312 /home/USER/.pki/nssdb/key4.db
gsd-sound 4743 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-sound 4743 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gsd-a11y- 4750 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-a11y- 4750 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gsd-clipb 4754 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-color 4757 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-color 4757 USER  mem    REG  253,2    20275 1494996 /home/USER/.config/dconf/user
gsd-datet 4759 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-datet 4759 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gsd-house 4761 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-house 4761 USER  mem    REG  253,2    20275 1494996 /home/USER/.config/dconf/user
gsd-keybo 4762 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-keybo 4762 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gsd-media 4763 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-media 4763 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gsd-mouse 4765 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gsd-mouse 4765 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
gsd-print 4807 USER  cwd    DIR  253,2     4096 1441793 /home/USER
evolution 4832 USER  cwd    DIR  253,2     4096 1441793 /home/USER
evolution 4832 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
ibus-engi 4852 USER  cwd    DIR  253,2     4096 1441793 /home/USER
ibus-engi 4852 USER  DEL    REG  253,2          1483316 /home/USER/.config/dconf/user
evolution 4893 USER  cwd    DIR  253,2     4096 1441793 /home/USER
evolution 4893 USER  DEL    REG  253,2          1453224 /home/USER/.config/dconf/user
abrt-appl 4917 USER  cwd    DIR  253,2     4096 1441793 /home/USER
abrt-appl 4917 USER  DEL    REG  253,2          1453224 /home/USER/.config/dconf/user
tracker-m 4921 USER  cwd    DIR  253,2     4096 1441793 /home/USER
tracker-m 4921 USER  mem    REG  253,2   363150 1459496 /home/USER/.cache/tracker/ontologies.gvdb
tracker-m 4921 USER  mem-r  REG  253,2    32768 1448246 /home/USER/.cache/tracker/meta.db-shm
tracker-m 4921 USER  DEL    REG  253,2          1450639 /home/USER/.config/dconf/user
tracker-m 4921 USER    9rr  REG  253,2 70250496 1441934 /home/USER/.cache/tracker/meta.db
tracker-m 4921 USER   10u   REG  253,2  2941712 1447831 /home/USER/.cache/tracker/meta.db-wal
tracker-m 4921 USER   11ur  REG  253,2    32768 1448246 /home/USER/.cache/tracker/meta.db-shm
tracker-m 4921 USER   12w   REG  253,2 36552674 1441939 /home/USER/.local/share/tracker/data/tracker-store.journal
tracker-m 4921 USER   14rr  REG  253,2 70250496 1441934 /home/USER/.cache/tracker/meta.db
tracker-m 4921 USER   15u   REG  253,2  2941712 1447831 /home/USER/.cache/tracker/meta.db-wal
tracker-m 4931 USER  cwd    DIR  253,2     4096 1441793 /home/USER
tracker-m 4931 USER  DEL    REG  253,2          1453224 /home/USER/.config/dconf/user
tracker-m 4931 USER  mem    REG  253,2   363150 1459496 /home/USER/.cache/tracker/ontologies.gvdb
tracker-m 4931 USER  mem-r  REG  253,2    32768 1448246 /home/USER/.cache/tracker/meta.db-shm
tracker-m 4931 USER    7rr  REG  253,2 70250496 1441934 /home/USER/.cache/tracker/meta.db
tracker-m 4931 USER    8u   REG  253,2  2941712 1447831 /home/USER/.cache/tracker/meta.db-wal
tracker-m 4931 USER    9ur  REG  253,2    32768 1448246 /home/USER/.cache/tracker/meta.db-shm
tracker-m 4931 USER   11w   REG  253,2 36552674 1441939 /home/USER/.local/share/tracker/data/tracker-store.journal
tracker-m 4931 USER   13rr  REG  253,2 70250496 1441934 /home/USER/.cache/tracker/meta.db
tracker-m 4931 USER   14u   REG  253,2  2941712 1447831 /home/USER/.cache/tracker/meta.db-wal
evolution 4936 USER  cwd    DIR  253,2     4096 1441793 /home/USER
evolution 4936 USER  DEL    REG  253,2          1484195 /home/USER/.config/dconf/user
tracker-s 4940 USER  cwd    DIR  253,2     4096 1441793 /home/USER
tracker-s 4940 USER  mem-r  REG  253,2    32768 1448246 /home/USER/.cache/tracker/meta.db-shm
tracker-s 4940 USER  DEL    REG  253,2          1443941 /home/USER/.config/dconf/user
tracker-s 4940 USER    9ur  REG  253,2 70250496 1441934 /home/USER/.cache/tracker/meta.db
tracker-s 4940 USER   10u   REG  253,2  2941712 1447831 /home/USER/.cache/tracker/meta.db-wal
tracker-s 4940 USER   11ur  REG  253,2    32768 1448246 /home/USER/.cache/tracker/meta.db-shm
tracker-s 4940 USER   12rr  REG  253,2 70250496 1441934 /home/USER/.cache/tracker/meta.db
tracker-s 4940 USER   13w   REG  253,2 36552674 1441939 /home/USER/.local/share/tracker/data/tracker-store.journal
tracker-s 4940 USER   14u   REG  253,2  2941712 1447831 /home/USER/.cache/tracker/meta.db-wal
tracker-s 4940 USER   16ur  REG  253,2 70250496 1441934 /home/USER/.cache/tracker/meta.db
tracker-s 4940 USER   17u   REG  253,2  2941712 1447831 /home/USER/.cache/tracker/meta.db-wal
tracker-e 4955 USER  cwd    DIR  253,2     4096 1441793 /home/USER
tracker-e 4955 USER  mem    REG  253,2   363150 1459496 /home/USER/.cache/tracker/ontologies.gvdb
tracker-e 4955 USER  mem-r  REG  253,2    32768 1448246 /home/USER/.cache/tracker/meta.db-shm
tracker-e 4955 USER  DEL    REG  253,2          1453224 /home/USER/.config/dconf/user
tracker-e 4955 USER    9rr  REG  253,2 70250496 1441934 /home/USER/.cache/tracker/meta.db
tracker-e 4955 USER   10u   REG  253,2  2941712 1447831 /home/USER/.cache/tracker/meta.db-wal
tracker-e 4955 USER   11ur  REG  253,2    32768 1448246 /home/USER/.cache/tracker/meta.db-shm
tracker-e 4955 USER   12w   REG  253,2 36552674 1441939 /home/USER/.local/share/tracker/data/tracker-store.journal
tracker-e 4955 USER   13rr  REG  253,2 70250496 1441934 /home/USER/.cache/tracker/meta.db
tracker-e 4955 USER   14u   REG  253,2  2941712 1447831 /home/USER/.cache/tracker/meta.db-wal
gnome-sof 4962 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gnome-sof 4962 USER  mem    REG  253,2    47944 1442573 /home/USER/.cache/fontconfig/3735ab32-806c-43d9-89aa-98af784b5130-le64.cache-7
gnome-sof 4962 USER  DEL    REG  253,2          1484195 /home/USER/.config/dconf/user
gnome-sof 4962 USER   17r   DIR  253,2     4096 1441904 /home/USER/.local/share/flatpak/repo
gnome-sof 4962 USER   18r   DIR  253,2     4096 1441906 /home/USER/.local/share/flatpak/repo/objects
gnome-sof 4962 USER   19r   DIR  253,2     4096 1441907 /home/USER/.local/share/flatpak/repo/tmp
gnome-sof 4962 USER   20r   DIR  253,2     4096 1441913 /home/USER/.local/share/flatpak/repo/tmp/cache
gnome-sof 4962 USER   26r   DIR  253,2     4096 1441903 /home/USER/.cache/flatpak/system-cache
dconf-ser 4973 USER  cwd    DIR  253,2     4096 1441793 /home/USER
evolution 4975 USER  cwd    DIR  253,2     4096 1441793 /home/USER
evolution 4975 USER  DEL    REG  253,2          1443941 /home/USER/.config/dconf/user
gsd-disk- 4976 USER  cwd    DIR  253,2     4096 1441793 /home/USER
glib-pacr 4982 USER  cwd    DIR  253,2     4096 1441793 /home/USER
evolution 5014 USER  cwd    DIR  253,2     4096 1441793 /home/USER
evolution 5014 USER  DEL    REG  253,2          1443999 /home/USER/.config/dconf/user
evolution 5014 USER   12u   REG  253,2    86016 1441892 /home/USER/.local/share/evolution/addressbook/system/contacts.db
gvfsd-met 5081 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gvfsd-met 5081 USER  mem    REG  253,2    32768 1495831 /home/USER/.local/share/gvfs-metadata/root-8bfc9d82.log
gvfsd-met 5081 USER  mem    REG  253,2     2064 1491934 /home/USER/.local/share/gvfs-metadata/root
gvfsd-met 5081 USER  mem    REG  253,2    32768 1492019 /home/USER/.local/share/gvfs-metadata/home-e7fae815.log
gvfsd-met 5081 USER  mem    REG  253,2    12492 1491962 /home/USER/.local/share/gvfs-metadata/home
gvfsd-met 5081 USER    7r   REG  253,2    12492 1491962 /home/USER/.local/share/gvfs-metadata/home
gvfsd-met 5081 USER    8u   REG  253,2    32768 1492019 /home/USER/.local/share/gvfs-metadata/home-e7fae815.log
gvfsd-met 5081 USER   10r   REG  253,2     2064 1491934 /home/USER/.local/share/gvfs-metadata/root
gvfsd-met 5081 USER   11u   REG  253,2    32768 1495831 /home/USER/.local/share/gvfs-metadata/root-8bfc9d82.log
gnome-ter 5121 USER  cwd    DIR  253,2     4096 1441793 /home/USER
gnome-ter 5121 USER  mem    REG  253,2    47944 1442573 /home/USER/.cache/fontconfig/3735ab32-806c-43d9-89aa-98af784b5130-le64.cache-7
gnome-ter 5121 USER  mem    REG  253,2    20275 1494996 /home/USER/.config/dconf/user