Comment # 1 on bug 1199322 from Jon Nelson

turnip:~ # btrfs check  -p 
/dev/disk/by-uuid/ea5898b2-3e9f-4a4b-ae54-5e3e1d13c3ff
Opening filesystem to check...
Checking filesystem on /dev/disk/by-uuid/ea5898b2-3e9f-4a4b-ae54-5e3e1d13c3ff
UUID: ea5898b2-3e9f-4a4b-ae54-5e3e1d13c3ff
[1/7] checking root items                      (0:00:56 elapsed, 1166000 items
checked)
ref mismatch on [401681596416 16384] extent item 1, found 0psed, 228759 items
checked)
backref 401681596416 root 2 not referenced back 0x560e04fb32c0
incorrect global backref count on 401681596416 found 1 wanted 0
backpointer mismatch on [401681596416 16384]
owner ref check failed [401681596416 16384]
ref mismatch on [401685037056 16384] extent item 0, found 1
tree backref 401685037056 parent 2 root 2 not found in extent tree
backpointer mismatch on [401685037056 16384]
[2/7] checking extents                         (0:02:03 elapsed, 228761 items
checked)
ERROR: errors found in extent allocation tree or chunk allocation
cache and super generation don't match, space cache will be invalidated
[3/7] checking free space cache                (0:00:00 elapsed)
[4/7] checking fs roots                        (0:13:39 elapsed, 58490 items
checked)
[5/7] checking csums (without verifying data)  (0:07:41 elapsed, 4546985 items
checked)
[6/7] checking root refs                       (0:00:00 elapsed, 19 items
checked)
[7/7] checking quota groups skipped (not enabled on this FS)
found 2803580661760 bytes used, error(s) found
total csum bytes: 2417619892
total tree bytes: 3747627008
total fs tree bytes: 961855488
total extent tree bytes: 114900992
btree space waste bytes: 292355712
file data blocks allocated: 2803814862848
 referenced 2785828372480
turnip:~ #