(In reply to Jiri Slaby from comment #3) > I am curious, can this help here: > [PATCH v3 1/3] btrfs: enhance unsupported compat RO flags handling > https://lore.kernel.org/all/1b3011f4b1bf4e60479568fcd3e090ea8b68d253. > 1660021230.git.wqu@suse.com/ > ? Seems not, but I don't know... FWICT that is not related to read-only subvolumes, but rather to the compatibility level of the FS layout forcing read-only access. (In reply to Jiri Slaby from comment #4) > (In reply to Jiri Slaby from comment #0) > > And if I revert it, the problem goes away. > > OK, so this fixed the openQA microos tests too. Let's keep the revert in > stable temporarily until this gets resolved somehow. I adjusted microos-tools yesterday: https://build.opensuse.org/request/show/1001364