(In reply to William Brown from comment #22) > Created attachment 841094 [details] > Screenshot of btrfs check > > > > Would you please take a btrfs-image dump by: > > > > # btrfs-image -c9 <device> dump.img > > Done. > > > > > This need the fs to be unmounted. > > And upload to the R&D network server. > > I don't know where this server is or how to access it. Can you tell me more > about it so I can do this upload? If it's not too big (<5G), then I guess you can upload to public file host of your taste. Things like Google driver maybe fine? > > > > > > And since the fs needs to be unmounted anyway, a btrfs check may also help. > > Screenshot attached. No errors were found.