On Sun, Feb 14, 2021 at 1:29 PM Neal Gompa <ngomp...@gmail.com> wrote: > > Hey all, > > So one of my main computers recently had a disk controller failure > that caused my machine to freeze. After rebooting, Btrfs refuses to > mount. I tried to do a mount and the following errors show up in the > journal: > > > Feb 14 15:20:49 localhost-live kernel: BTRFS info (device sda3): disk space > > caching is enabled > > Feb 14 15:20:49 localhost-live kernel: BTRFS info (device sda3): has skinny > > extents > > Feb 14 15:20:49 localhost-live kernel: BTRFS critical (device sda3): > > corrupt leaf: root=401 block=796082176 slot=15 ino=203657, invalid inode > > transid: has 888896 expect [0, 888895] > > Feb 14 15:20:49 localhost-live kernel: BTRFS error (device sda3): > > block=796082176 read time tree block corruption detected > > Feb 14 15:20:49 localhost-live kernel: BTRFS critical (device sda3): > > corrupt leaf: root=401 block=796082176 slot=15 ino=203657, invalid inode > > transid: has 888896 expect [0, 888895] > > Feb 14 15:20:49 localhost-live kernel: BTRFS error (device sda3): > > block=796082176 read time tree block corruption detected > > Feb 14 15:20:49 localhost-live kernel: BTRFS warning (device sda3): > > couldn't read tree root > > Feb 14 15:20:49 localhost-live kernel: BTRFS error (device sda3): > > open_ctree failed > > I've tried to do -o recovery,ro mount and get the same issue. I can't > seem to find any reasonably good information on how to do recovery in > this scenario, even to just recover enough to copy data off. > > I'm on Fedora 33, the system was on Linux kernel version 5.9.16 and > the Fedora 33 live ISO I'm using has Linux kernel version 5.10.14. I'm > using btrfs-progs v5.10.
Oh and also that block: btrfs insp dump-t -b 796082176 /dev/sda3 -- Chris Murphy
