I am getting consistent failures with the latest ISO whenever I try to install selecting btrfs in the installer. The result is the same in a VM or on bare metal.
First here is a screenshot from the installer:
lsblk:
NAME SIZE TYPE FSTYPE MOUNTPOINTS
loop0 11.2M loop squashfs
loop1 182.4M loop squashfs
loop2 2.2G loop squashfs /tmp/tmp_x4v3ey4/root-image
sda 80G disk
├─sda1 600M part vfat /tmp/calamares-root-nydjpzm7/boot
└─sda2 79.4G part btrfs /tmp/calamares-root-nydjpzm7/home
/tmp/calamares-root-nydjpzm7
sr0 2.5G rom iso9660 /bootmnt
parted -l:
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sda: 85.9GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 630MB 629MB fat32 msftdata
2 630MB 85.9GB 85.3GB btrfs
Warning: Unable to open /dev/sr0 read-write (Read-only file system). /dev/sr0
has been opened read-only.
Model: NECVMWar VMware IDE CDR10 (scsi)
Disk /dev/sr0: 2640MB
Sector size (logical/physical): 2048B/2048B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
2 451kB 269MB 268MB primary esp
Install log:
https://paste.ee/p/kj1Hr