David, I think you maintain btrfs-progs, but I'm not sure if you're in charge of check --repair. Could you comment on the bottom of the mail, namely: > failed to repair damaged filesystem, aborting > So, I'm out of luck now, full wipe and 3-5 day rebuild? Thanks, Marc
Rest: On Tue, May 02, 2017 at 11:47:22AM -0700, Marc MERLIN wrote: > (cc trimmed) > > The one in debian/unstable crashed: > gargamel:~# btrfs --version > btrfs-progs v4.7.3 > gargamel:~# btrfs check --repair /dev/mapper/dshelf2 > bytenr mismatch, want=2899180224512, have=3981076597540270796 > extent-tree.c:2721: alloc_reserved_tree_block: Assertion `ret` failed. > btrfs[0x43e418] > btrfs[0x43e43f] > btrfs[0x43f276] > btrfs[0x43f46f] > btrfs[0x4407ef] > btrfs[0x440963] > btrfs(btrfs_inc_extent_ref+0x513)[0x44107a] > btrfs[0x420053] > btrfs[0x4265eb] > btrfs(cmd_check+0x1111)[0x427d6d] > btrfs(main+0x12f)[0x40a341] > /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1)[0x7f6b632e82b1] > btrfs(_start+0x2a)[0x40a37a] > > Ok, it's old, let's take git from today: > gargamel:~# btrfs --version > btrfs-progs v4.10.2 > As a note, > gargamel:~# btrfs check --mode=lowmem --repair /dev/mapper/dshelf2 > enabling repair mode > ERROR: low memory mode doesn't support repair yet > > As a note, a 32bit binary on a 64bit kernel: > gargamel:~# btrfs check --repair /dev/mapper/dshelf2 > enabling repair mode > Checking filesystem on /dev/mapper/dshelf2 > UUID: 03e9a50c-1ae6-4782-ab9c-5f310a98e653 > checking extents > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found ABBE39B0 wanted E0735D0E > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > bytenr mismatch, want=2899180224512, have=3981076597540270796 > checksum verify failed on 1449488023552 found CECC36AF wanted 199FE6C5 > checksum verify failed on 1449488023552 found CECC36AF wanted 199FE6C5 > checksum verify failed on 1449544613888 found 895D691B wanted A0C64D2B > checksum verify failed on 1449544613888 found 895D691B wanted A0C64D2B > parent transid verify failed on 1671538819072 wanted 293964 found 293902 > parent transid verify failed on 1671538819072 wanted 293964 found 293902 > checksum verify failed on 1671603781632 found 18BC28D6 wanted 372655A0 > checksum verify failed on 1671603781632 found 18BC28D6 wanted 372655A0 > cmds-check.c:6291: add_data_backref: BUG_ON `!back` triggered, value 1 > Aborted > > let's try again with a 64bit binary built from git: > (...) > Repaired extent references for 4227617038336 > ref mismatch on [4227872751616 4096] extent item 1, found 0 > Incorrect local backref count on 4227872751616 parent 3493071667200 owner 0 > offset 0 found 0 wanted 1 back 0x56470b18e7f0 > Backref disk bytenr does not match extent record, bytenr=4227872751616, ref > bytenr=0 > backpointer mismatch on [4227872751616 4096] > owner ref check failed [4227872751616 4096] > repair deleting extent record: key 4227872751616 168 4096 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found ABBE39B0 wanted E0735D0E > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > bytenr mismatch, want=2899180224512, have=3981076597540270796 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found ABBE39B0 wanted E0735D0E > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > bytenr mismatch, want=2899180224512, have=3981076597540270796 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found ABBE39B0 wanted E0735D0E > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > bytenr mismatch, want=2899180224512, have=3981076597540270796 > Repaired extent references for 4227872751616 > ref mismatch on [6674127745024 32768] extent item 0, found 1 > Backref 6674127745024 parent 7566652473344 owner 0 offset 0 num_refs 0 not > found in extent tree > Incorrect local backref count on 6674127745024 parent 7566652473344 owner 0 > offset 0 found 1 wanted 0 back 0x5648afda0f20 > backpointer mismatch on [6674127745024 32768] > checksum verify failed on 6983266418688 found 393B112A wanted 2B19CD5C > checksum verify failed on 6983266418688 found 393B112A wanted 2B19CD5C > checksum verify failed on 6983266418688 found BCBF9E15 wanted 785FF67E > checksum verify failed on 6983266418688 found 393B112A wanted 2B19CD5C > bytenr mismatch, want=6983266418688, have=13671317608077697645 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found ABBE39B0 wanted E0735D0E > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > bytenr mismatch, want=2899180224512, have=3981076597540270796 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found ABBE39B0 wanted E0735D0E > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > bytenr mismatch, want=2899180224512, have=3981076597540270796 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found ABBE39B0 wanted E0735D0E > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > bytenr mismatch, want=2899180224512, have=3981076597540270796 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > checksum verify failed on 2899180224512 found ABBE39B0 wanted E0735D0E > checksum verify failed on 2899180224512 found 7A6D427F wanted 7E899EE5 > bytenr mismatch, want=2899180224512, have=3981076597540270796 > failed to repair damaged filesystem, aborting > > > So, I'm out of luck now, full wipe and 3-5 day rebuild? > > Thanks, > Marc > -- > "A mouse is a device used to point at the xterm you want to type in" - A.S.R. > Microsoft is to operating systems .... > .... what McDonalds is to gourmet > cooking > Home page: http://marc.merlins.org/ > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/ | PGP 1024R/763BE901 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html