Ubuntu
apt-btrfs-snapshot package

  1. Bug #997909
  2. Comment #6

Comment 6 for bug 997909

Revision history for this message
Robert C. (fuzxxl) wrote : Re: apt-btrfs-snapshot creates snapshots that cannot be deleted

As a possible workaround, you can attempt to delete those "inner" snapshots first. This worked for me to delete all apt-snapshots:

    for i in /@apt-* ; sudo btrfs sub del $i/@ ; sudo btrfs sub del $i