Возможно, связано с последними обновлениями. Просто я не припомню, что ещё я такого мог наделать, чтобы к этому привело.
[ 5.105407] xor: automatically using best checksumming function avx
[ 5.116165] Btrfs loaded, crc32c=crc32c-intel
[ 5.134932] BTRFS: device label mint devid 1 transid 18658 /dev/nvme0n1p2
[ 36.321574] BTRFS info (device nvme0n1p2): disk space caching is enabled
[ 36.321576] BTRFS info (device nvme0n1p2): has skinny extents
[ 36.334105] BTRFS info (device nvme0n1p2): enabling ssd optimizations
/dev/nvme0n1p1: LABEL="EFI" UUID="205D-A45D" TYPE="vfat" PARTLABEL="EFI System Partition" PARTUUID="fcf3160a-9da8-481b-bbcf-b83941667af0"
/dev/nvme0n1p2: LABEL="mint" UUID="34e0e20d-9901-4f55-9807-110c7d110939" UUID_SUB="d9f5272c-f6e6-4569-ab86-70c569a66129" TYPE="btrfs" PARTUUID="b185417e-c3be-4813-88d8-660f5e1bb0e6"
/dev/nvme0n1p3: UUID="ed9ed36b-72bc-4aa6-a2e2-6d1c6706439a" TYPE="swap" PARTUUID="e827a5da-f932-4744-a1f6-7859d3c7b97d"
/dev/nvme0n1: PTUUID="4aa0d78b-11c0-4591-be59-e555db8f909c" PTTYPE="gpt"
# <file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/nvme0n1p2 during installation
UUID=34e0e20d-9901-4f55-9807-110c7d110939 / btrfs defaults,subvol=@ 0 1
# /boot/efi was on /dev/nvme0n1p1 during installation
UUID=205D-A45D /boot/efi vfat umask=0077 0 1
# /home was on /dev/nvme0n1p2 during installation
UUID=34e0e20d-9901-4f55-9807-110c7d110939 /home btrfs defaults,subvol=@home 0 2
UUID=ed9ed36b-72bc-4aa6-a2e2-6d1c6706439a none swap sw 0 0