Hi Hugo and Qu, here the output from the commands: # btrfs ins dump-tree -t root /dev/sde1 2>&1 btrfs-progs v4.19.1 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 bad tree block 5349895454720, bytenr mismatch, want=5349895454720, have=14275350892879035392 Couldn't setup device tree ERROR: unable to open /dev/sde1 # # btrfs ins dump-tree -t extent /dev/sde1 2>&1 >/dev/null checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 bad tree block 5349895454720, bytenr mismatch, want=5349895454720, have=14275350892879035392 Couldn't setup device tree ERROR: unable to open /dev/sde1 # # btrfs ins dump-tree -t chunk /dev/sde1 btrfs-progs v4.19.1 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 bad tree block 5349895454720, bytenr mismatch, want=5349895454720, have=14275350892879035392 Couldn't setup device tree ERROR: unable to open /dev/sde1 # # btrfs ins dump-tree -t 5 /dev/sde1 2>&1 >/dev/null checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 checksum verify failed on 5349895454720 found B80B9FA8 wanted C61C3C00 bad tree block 5349895454720, bytenr mismatch, want=5349895454720, have=14275350892879035392 Couldn't setup device tree ERROR: unable to open /dev/sde1 # I will try to setup a newer kernel. Which Distro you would suggest for this purpose? The idea is to download and install a small linux just for recovery purpose for now. Thanks, Chris
