On 31.10.2018 at 05:56 Chris Murphy wrote: > On Tue, Oct 30, 2018 at 4:11 PM, Mirko Klingmann <m.klingm...@gmx.de> wrote: >> Hi all, >> >> my btrfs root file system on a SD card broke down and did not mount anymore. > It might mount with -o ro,nologreplay > > Typically an SD card will break in a way that it can't write, and > mount will just hang (with mmcblk errors). Mounting with both ro and > nologreplay will ensure no writes are needed, allowing the mount to > succeed. of course any changes that are in the log tree will be > missing so recent transactions may be unrecoverable but so far I've > had good luck recovering from broken SD cards this way. > No luck with these options. The error still persists with same output in "dmesg".
Thanks for your effort... -- Mirko