Die /etc/fstab sollte passen.
Poste mal als root:
Code
cat /etc/mtab
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
devtmpfs /dev devtmpfs rw,nosuid,size=4096k,nr_inodes=1048576,mode=755,inode64 0 0
securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev,inode64 0 0
devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,nodev,size=800144k,nr_inodes=819200,mode=755,inode64 0 0
tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,size=4096k,nr_inodes=1024,mode=755,inode64 0 0
cgroup2 /sys/fs/cgroup/unified cgroup2 rw,nosuid,nodev,noexec,relatime,nsdelegate 0 0
cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,name=systemd 0 0
pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
none /sys/fs/bpf bpf rw,nosuid,nodev,noexec,relatime,mode=700 0 0
cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0
cgroup /sys/fs/cgroup/misc cgroup rw,nosuid,nodev,noexec,relatime,misc 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0
cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0
cgroup /sys/fs/cgroup/hugetlb cgroup rw,nosuid,nodev,noexec,relatime,hugetlb 0 0
cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0
cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0
cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0
cgroup /sys/fs/cgroup/net_cls,net_prio cgroup rw,nosuid,nodev,noexec,relatime,net_cls,net_prio 0 0
cgroup /sys/fs/cgroup/rdma cgroup rw,nosuid,nodev,noexec,relatime,rdma 0 0
cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0
/dev/sda2 / btrfs rw,relatime,space_cache,subvolid=256,subvol=/@ 0 0
systemd-1 /proc/sys/fs/binfmt_misc autofs rw,relatime,fd=30,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=13866 0 0
debugfs /sys/kernel/debug debugfs rw,nosuid,nodev,noexec,relatime 0 0
mqueue /dev/mqueue mqueue rw,nosuid,nodev,noexec,relatime 0 0
tracefs /sys/kernel/tracing tracefs rw,nosuid,nodev,noexec,relatime 0 0
hugetlbfs /dev/hugepages hugetlbfs rw,relatime,pagesize=2M 0 0
configfs /sys/kernel/config configfs rw,nosuid,nodev,noexec,relatime 0 0
fusectl /sys/fs/fuse/connections fusectl rw,nosuid,nodev,noexec,relatime 0 0
/dev/sda2 /boot/grub2/i386-pc btrfs rw,relatime,space_cache,subvolid=265,subvol=/@/boot/grub2/i386-pc 0 0
/dev/sda2 /boot/grub2/x86_64-efi btrfs rw,relatime,space_cache,subvolid=264,subvol=/@/boot/grub2/x86_64-efi 0 0
/dev/sda2 /opt btrfs rw,relatime,space_cache,subvolid=263,subvol=/@/opt 0 0
/dev/sda2 /srv btrfs rw,relatime,space_cache,subvolid=261,subvol=/@/srv 0 0
/dev/sda2 /root btrfs rw,relatime,space_cache,subvolid=262,subvol=/@/root 0 0
/dev/sda2 /tmp btrfs rw,relatime,space_cache,subvolid=260,subvol=/@/tmp 0 0
/dev/sda2 /usr/local btrfs rw,relatime,space_cache,subvolid=259,subvol=/@/usr/local 0 0
/dev/sda2 /var btrfs rw,relatime,space_cache,subvolid=258,subvol=/@/var 0 0
/dev/sda3 /home xfs rw,relatime,attr2,inode64,logbufs=8,logbsize=32k,noquota 0 0
tmpfs /run/user/1000 tmpfs rw,nosuid,nodev,relatime,size=400072k,nr_inodes=100018,mode=700,uid=1000,gid=100,inode64 0 0
gvfsd-fuse /run/user/1000/gvfs fuse.gvfsd-fuse rw,nosuid,nodev,relatime,user_id=1000,group_id=100 0 0
tracefs /sys/kernel/debug/tracing tracefs rw,nosuid,nodev,noexec,relatime 0 0
journalctl -b | grep -Ei 'warning|error'
Sep 22 17:11:16 host kernel: RAS: Correctable Errors collector initialized.
Sep 22 17:11:19 host kernel: random: 7 urandom warning(s) missed due to ratelimiting
Sep 22 15:11:27 host kernel: ACPI Warning: SystemIO range 0x0000000000001028-0x000000000000102F conflicts with OpRegion 0x0000000000001028-0x000000000000102B (\_SB.PCI0.LPC.GPE0) (20210730/utaddress-213)
Sep 22 15:11:27 host kernel: ACPI Warning: SystemIO range 0x0000000000001180-0x00000000000011AF conflicts with OpRegion 0x0000000000001180-0x000000000000118D (\_SB.PCI0.LPC.GPE1) (20210730/utaddress-213)
Sep 22 15:11:48 host systemd-xdg-autostart-generator[1299]: Not generating service for XDG autostart app-xapp\x2dsn\x2dwatcher@autostart.service, error parsing Exec= line: No such file or directory
Sep 22 15:12:13 host systemd-xdg-autostart-generator[1535]: Not generating service for XDG autostart app-xapp\x2dsn\x2dwatcher@autostart.service, error parsing Exec= line: No such file or directory
Sep 22 15:12:49 host pulseaudio[1664]: GetManagedObjects() failed: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.