Here is the dump --follow : https://pastebin.com/yx13mDfB Sadly, none of "mount" worked. I'm on debian 9, already using backported Kernel. For Kernel 5.4 or 5.6, I would have to use debian testing repo... I'll see what I can do without breaking the rest of my system :) ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Thursday, April 30, 2020 8:46 PM, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > On Thu, Apr 30, 2020 at 12:40 PM Nouts nouts@xxxxxxxxxxxxxx wrote: > > > Thanks for your help. I compiled btrfs-progs v5.6 from github. > > Here is the dump from /dev/sda : https://pastebin.com/e3YZxxsZ > > And btrfs check returned an error instantly : > > Opening filesystem to check... > > ERROR: child eb corrupted: parent bytenr=5923702292480 item=2 parent level=2 child level=0 > > ERROR: failed to read block groups: Input/output error > > ERROR: cannot open file system > > Ok try: > btrfs insp dump-t -b 5923702292480 --follow /dev/sda > > Qu might have an idea. But in the meantime, my suggestion is to try to > mount with a newer kernel. In order try: > > normal mount > mount -o ro > mount -o ro,degraded > mount -o ro,degraded,usebackuproot > > And if any works, at least you can update backups in case this file > system can't be fixed. > > > --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > > Chris Murphy
