Here is an excerpt of btrfsck: # ./btrfsck /dev/nbd1 checking extents corrupt extent record: key 314454016 168 524288 corrupt extent record: key 314978304 168 524288 corrupt extent record: key 315502592 168 524288 corrupt extent record: key 316026880 168 524288 corrupt extent record: key 316551168 168 524288 corrupt extent record: key 317075456 168 409600 corrupt extent record: key 317485056 168 372736 corrupt extent record: key 317857792 168 65536 corrupt extent record: key 317960192 168 1081344 ref mismatch on [289406976 36864] extent item 1, found 0 Incorrect local backref count on 289406976 root 257 owner 18446744073709551604 offset 0 found 0 wanted 1 back 0x2604be0 backpointer mismatch on [289406976 36864] owner ref check failed [289406976 36864] ref mismatch on [289443840 36864] extent item 1, found 0 Incorrect local backref count on 289443840 root 259 owner 18446744073709551604 offset 0 found 0 wanted 1 back 0x2604cc0 backpointer mismatch on [289443840 36864] owner ref check failed [289443840 36864] ref mismatch on [304230400 262144] extent item 1, found 0 Incorrect local backref count on 304230400 root 259 owner 261 offset 262144 found 0 wanted 1 back 0x2604da0 backpointer mismatch on [304230400 262144] owner ref check failed [304230400 262144] ref mismatch on [304492544 524288] extent item 1, found 0 Incorrect local backref count on 304492544 root 259 owner 261 offset 524288 found 0 wanted 1 back 0x2604e80 backpointer mismatch on [304492544 524288] owner ref check failed [304492544 524288] ref mismatch on [305016832 524288] extent item 1, found 0 Incorrect local backref count on 305016832 root 259 owner 261 offset 1048576 found 0 wanted 1 back 0x2604f60 backpointer mismatch on [305016832 524288] owner ref check failed [305016832 524288] ref mismatch on [305541120 524288] extent item 1, found 0 Incorrect local backref count on 305541120 root 259 owner 261 offset 1572864 found 0 wanted 1 back 0x2605040 backpointer mismatch on [305541120 524288] owner ref check failed [305541120 524288] ref mismatch on [313929728 524288] extent item 65536, found 1 ref mismatch on [314454016 524288] extent item 65536, found 1 Backref 314454016 root 259 owner 261 offset 10485760 num_refs 0 not found in extent tree Incorrect local backref count on 314454016 root 259 owner 261 offset 10485760 found 1 wanted 0 back 0x2600010 backpointer mismatch on [314454016 524288] ref mismatch on [314978304 524288] extent item 65536, found 1 Backref 314978304 root 259 owner 261 offset 11010048 num_refs 0 not found in extent tree Incorrect local backref count on 314978304 root 259 owner 261 offset 11010048 found 1 wanted 0 back 0x26000f0 backpointer mismatch on [314978304 524288] ref mismatch on [315502592 524288] extent item 281474976776192, found 1 Backref 315502592 root 259 owner 261 offset 11534336 num_refs 0 not found in extent tree Incorrect local backref count on 315502592 root 259 owner 261 offset 11534336 found 1 wanted 0 back 0x26001d0 backpointer mismatch on [315502592 524288] ref mismatch on [316026880 524288] extent item 4294967296, found 1 Backref 316026880 root 259 owner 261 offset 12058624 num_refs 0 not found in extent tree Incorrect local backref count on 316026880 root 259 owner 261 offset 12058624 found 1 wanted 0 back 0x26002b0 backpointer mismatch on [316026880 524288] ref mismatch on [316551168 524288] extent item 4294967296, found 1 Backref 316551168 root 259 owner 261 offset 12582912 num_refs 0 not found in extent tree Incorrect local backref count on 316551168 root 259 owner 261 offset 12582912 found 1 wanted 0 back 0x2600390 backpointer mismatch on [316551168 524288] ref mismatch on [317075456 409600] extent item 4294967297, found 1 Backref 317075456 root 259 owner 261 offset 13107200 num_refs 0 not found in extent tree Incorrect local backref count on 317075456 root 259 owner 261 offset 13107200 found 1 wanted 0 back 0x2600470 backpointer mismatch on [317075456 409600] ref mismatch on [317485056 372736] extent item 4294967296, found 1 Backref 317485056 root 259 owner 262 offset 0 num_refs 0 not found in extent tree Incorrect local backref count on 317485056 root 259 owner 262 offset 0 found 1 wanted 0 back 0x2600550 backpointer mismatch on [317485056 372736] ref mismatch on [317857792 65536] extent item 4294967296, found 1 Backref 317857792 root 1 owner 258 offset 0 num_refs 0 not found in extent tree Incorrect local backref count on 317857792 root 1 owner 258 offset 0 found 1 wanted 0 back 0x2604b00 backpointer mismatch on [317857792 65536] ref mismatch on [317960192 1081344] extent item 4294967296, found 1 Backref 317960192 root 259 owner 262 offset 368640 num_refs 0 not found in extent tree Incorrect local backref count on 317960192 root 259 owner 262 offset 368640 found 1 wanted 0 back 0x2600630 backpointer mismatch on [317960192 1081344] ref mismatch on [539897856 8796093022208] extent item 0, found 1 Backref 539897856 root 259 owner 261 offset 18374686479673196544 num_refs 0 not found in extent tree Incorrect local backref count on 539897856 root 259 owner 261 offset 18374686479673196544 found 1 wanted 0 back 0x25ff130 backpointer mismatch on [539897856 8796093022208] ref mismatch on [8029359585240287337 158747988205684] extent item 0, found 1 Backref 8029359585240287337 root 257 owner 260 offset 18128078724205764600 num_refs 0 not found in extent tree Incorrect local backref count on 8029359585240287337 root 257 owner 260 offset 18128078724205764600 found 1 wanted 0 back 0x26047c0 backpointer mismatch on [8029359585240287337 158747988205684] Errors found in extent allocation tree checking fs roots root 257 inode 260 errors 540 root 257 inode 271 errors 0 unresolved ref dir 268 index 4 namelen 8 name .profile filetype 1 error 4 unresolved ref dir 268 index 0 namelen 0 name filetype 0 error 3 unresolved ref dir 268 index 7308332182139830272 namelen 35 name filetype 0 error 3 root 257 inode 18446744073709551604 errors 400 root 259 inode 261 errors 15c0 root 259 inode 18446744073709551604 errors 400 found 167544111104116 bytes used err is 1 total csum bytes: 28792 total tree bytes: 262144 total fs tree bytes: 147456 btree space waste bytes: 191367 file data blocks allocated: 167544108933236 referenced 10403708155379961710 Btrfs v0.20-rc1-37-g91d9eec On Fri, Oct 19, 2012 at 6:13 PM, cwillu <cwillu@xxxxxxxxxx> wrote: > Probably worth trying 3.7-rc1, or at least cmason's for-linus (which > is 3.6.0 + the btrfs changes that went into 3.7). -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
