Dear Qu, I had a typo in my previous "btrfs dump tree" command (/dev/sda1 instead of / dev/sda). Now I got the output below: btrfs-progs v5.4 leaf 2089035464704 items 145 free space 4973 generation 75450 owner EXTENT_TREE leaf 2089035464704 flags 0x1(WRITTEN) backref revision 1 fs uuid 014bdf0a-bcb3-4a7c-b58d-c1fc17281f7e chunk uuid d4aae6e9-9832-4da5-a269-0a46e54a4e33 item 0 key (1937095585792 EXTENT_ITEM 4096) itemoff 16230 itemsize 53 refs 1 gen 68673 flags DATA extent data backref root FS_TREE objectid 17045 offset 213512192 count 1 item 1 key (1937095589888 EXTENT_ITEM 12288) itemoff 16177 itemsize 53 refs 1 gen 54558 flags DATA extent data backref root FS_TREE objectid 17045 offset 217124864 count 1 item 2 key (1937095602176 EXTENT_ITEM 20480) itemoff 16124 itemsize 53 refs 1 gen 39896 flags DATA extent data backref root FS_TREE objectid 17045 offset 209100800 count 1 item 3 key (1937095622656 EXTENT_ITEM 4096) itemoff 16071 itemsize 53 refs 1 gen 72453 flags DATA extent data backref root FS_TREE objectid 17045 offset 153509888 count 1 item 4 key (1937095626752 EXTENT_ITEM 4096) itemoff 16018 itemsize 53 refs 1 gen 72455 flags DATA extent data backref root FS_TREE objectid 17045 offset 151752704 count 1 item 5 key (1937095630848 EXTENT_ITEM 4096) itemoff 15965 itemsize 53 refs 1 gen 72455 flags DATA extent data backref root FS_TREE objectid 17045 offset 151773184 count 1 item 6 key (1937095634944 EXTENT_ITEM 4096) itemoff 15912 itemsize 53 refs 1 gen 54560 flags DATA extent data backref root FS_TREE objectid 17045 offset 214171648 count 1 item 7 key (1937095639040 EXTENT_ITEM 24576) itemoff 15859 itemsize 53 refs 1 gen 39886 flags DATA extent data backref root FS_TREE objectid 17045 offset 208920576 count 1 item 8 key (1937095663616 EXTENT_ITEM 16384) itemoff 15806 itemsize 53 refs 1 gen 72307 flags DATA extent data backref root FS_TREE objectid 17045 offset 153587712 count 1 item 9 key (1937095680000 EXTENT_ITEM 4096) itemoff 15753 itemsize 53 refs 1 gen 41223 flags DATA extent data backref root FS_TREE objectid 17045 offset 211927040 count 1 item 10 key (1937095684096 EXTENT_ITEM 4096) itemoff 15700 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208539648 count 1 item 11 key (1937095688192 EXTENT_ITEM 4096) itemoff 15647 itemsize 53 refs 1 gen 56946 flags DATA extent data backref root FS_TREE objectid 17045 offset 212344832 count 1 item 12 key (1937095692288 EXTENT_ITEM 4096) itemoff 15594 itemsize 53 refs 1 gen 57005 flags DATA extent data backref root FS_TREE objectid 17045 offset 207519744 count 1 item 13 key (1937095696384 EXTENT_ITEM 4096) itemoff 15541 itemsize 53 refs 1 gen 56911 flags DATA extent data backref root FS_TREE objectid 17045 offset 213823488 count 1 item 14 key (1937095700480 EXTENT_ITEM 12288) itemoff 15488 itemsize 53 refs 1 gen 54560 flags DATA extent data backref root FS_TREE objectid 17045 offset 214171648 count 1 item 15 key (1937095712768 EXTENT_ITEM 4096) itemoff 15435 itemsize 53 refs 1 gen 40861 flags DATA extent data backref root FS_TREE objectid 17045 offset 210767872 count 1 item 16 key (1937095716864 EXTENT_ITEM 20480) itemoff 15382 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208744448 count 1 item 17 key (1937095737344 EXTENT_ITEM 4096) itemoff 15329 itemsize 53 refs 1 gen 72774 flags DATA extent data backref root FS_TREE objectid 17045 offset 158392320 count 1 item 18 key (1937095741440 EXTENT_ITEM 4096) itemoff 15276 itemsize 53 refs 1 gen 39691 flags DATA extent data backref root FS_TREE objectid 17045 offset 207007744 count 1 item 19 key (1937095745536 EXTENT_ITEM 4096) itemoff 15223 itemsize 53 refs 1 gen 73575 flags DATA extent data backref root FS_TREE objectid 17045 offset 153071616 count 1 item 20 key (1937095749632 EXTENT_ITEM 20480) itemoff 15170 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112680960 count 1 item 21 key (1937095770112 EXTENT_ITEM 12288) itemoff 15117 itemsize 53 refs 1 gen 72406 flags DATA extent data backref root FS_TREE objectid 17045 offset 153088000 count 1 item 22 key (1937095782400 EXTENT_ITEM 8192) itemoff 15064 itemsize 53 refs 1 gen 39741 flags DATA extent data backref root FS_TREE objectid 17045 offset 210169856 count 1 item 23 key (1937095790592 EXTENT_ITEM 12288) itemoff 15011 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207511552 count 1 item 24 key (1937095802880 EXTENT_ITEM 12288) itemoff 14958 itemsize 53 refs 1 gen 72451 flags DATA extent data backref root FS_TREE objectid 17045 offset 153509888 count 1 item 25 key (1937095815168 EXTENT_ITEM 20480) itemoff 14905 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208592896 count 1 item 26 key (1937095835648 EXTENT_ITEM 8192) itemoff 14852 itemsize 53 refs 1 gen 72408 flags DATA extent data backref root FS_TREE objectid 17045 offset 152940544 count 1 item 27 key (1937095843840 EXTENT_ITEM 16384) itemoff 14799 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207536128 count 1 item 28 key (1937095860224 EXTENT_ITEM 8192) itemoff 14746 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207536128 count 1 item 29 key (1937095868416 EXTENT_ITEM 16384) itemoff 14693 itemsize 53 refs 1 gen 40023 flags DATA extent data backref root FS_TREE objectid 17045 offset 210665472 count 1 item 30 key (1937095884800 EXTENT_ITEM 4096) itemoff 14640 itemsize 53 refs 1 gen 40689 flags DATA extent data backref root FS_TREE objectid 17045 offset 213577728 count 1 item 31 key (1937095888896 EXTENT_ITEM 8192) itemoff 14587 itemsize 53 refs 1 gen 72463 flags DATA extent data backref root FS_TREE objectid 17045 offset 153378816 count 1 item 32 key (1937095897088 EXTENT_ITEM 4096) itemoff 14534 itemsize 53 refs 1 gen 72464 flags DATA extent data backref root FS_TREE objectid 17045 offset 153612288 count 1 item 33 key (1937095901184 EXTENT_ITEM 4096) itemoff 14481 itemsize 53 refs 1 gen 72465 flags DATA extent data backref root FS_TREE objectid 17045 offset 159203328 count 1 item 34 key (1937095905280 EXTENT_ITEM 24576) itemoff 14428 itemsize 53 refs 2 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112701440 count 2 item 35 key (1937095929856 EXTENT_ITEM 4096) itemoff 14375 itemsize 53 refs 1 gen 75359 flags DATA extent data backref root FS_TREE objectid 17045 offset 112668672 count 1 item 36 key (1937095933952 EXTENT_ITEM 4096) itemoff 14322 itemsize 53 refs 1 gen 75244 flags DATA extent data backref root FS_TREE objectid 17045 offset 217157632 count 1 item 37 key (1937095938048 EXTENT_ITEM 4096) itemoff 14269 itemsize 53 refs 1 gen 75237 flags DATA extent data backref root FS_TREE objectid 17045 offset 209965056 count 1 item 38 key (1937095942144 EXTENT_ITEM 4096) itemoff 14216 itemsize 53 refs 1 gen 75276 flags DATA extent data backref root FS_TREE objectid 17045 offset 112517120 count 1 item 39 key (1937095946240 EXTENT_ITEM 4096) itemoff 14163 itemsize 53 refs 1 gen 75276 flags DATA extent data backref root FS_TREE objectid 17045 offset 112529408 count 1 item 40 key (1937095950336 EXTENT_ITEM 4096) itemoff 14110 itemsize 53 refs 1 gen 75253 flags DATA extent data backref root FS_TREE objectid 17045 offset 112689152 count 1 item 41 key (1937095954432 EXTENT_ITEM 4096) itemoff 14057 itemsize 53 refs 1 gen 75359 flags DATA extent data backref root FS_TREE objectid 17045 offset 216440832 count 1 item 42 key (1937095962624 EXTENT_ITEM 20480) itemoff 14004 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112611328 count 1 item 43 key (1937095983104 EXTENT_ITEM 4096) itemoff 13951 itemsize 53 refs 1 gen 74072 flags DATA extent data backref root FS_TREE objectid 17045 offset 112705536 count 1 item 44 key (1937095987200 EXTENT_ITEM 12288) itemoff 13898 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112574464 count 1 item 45 key (1937095999488 EXTENT_ITEM 4096) itemoff 13845 itemsize 53 refs 1 gen 74191 flags DATA extent data backref root FS_TREE objectid 17045 offset 153755648 count 1 item 46 key (1937096003584 EXTENT_ITEM 12288) itemoff 13792 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112582656 count 1 item 47 key (1937096015872 EXTENT_ITEM 4096) itemoff 13739 itemsize 53 refs 1 gen 74129 flags DATA extent data backref root FS_TREE objectid 17045 offset 120496128 count 1 item 48 key (1937096019968 EXTENT_ITEM 4096) itemoff 13686 itemsize 53 refs 1 gen 75276 flags DATA extent data backref root FS_TREE objectid 17045 offset 112660480 count 1 item 49 key (1937096024064 EXTENT_ITEM 4096) itemoff 13633 itemsize 53 refs 1 gen 75276 flags DATA extent data backref root FS_TREE objectid 17045 offset 112484352 count 1 item 50 key (1937096028160 EXTENT_ITEM 8192) itemoff 13580 itemsize 53 refs 1 gen 75275 flags DATA extent data backref root FS_TREE objectid 17045 offset 112975872 count 1 item 51 key (1937096036352 EXTENT_ITEM 8192) itemoff 13527 itemsize 53 refs 1 gen 74069 flags DATA extent data backref root FS_TREE objectid 17045 offset 111824896 count 1 item 52 key (1937096048640 EXTENT_ITEM 16384) itemoff 13474 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112533504 count 1 item 53 key (1937096069120 EXTENT_ITEM 16384) itemoff 13421 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112517120 count 1 item 54 key (1937096085504 EXTENT_ITEM 8192) itemoff 13368 itemsize 53 refs 1 gen 74068 flags DATA extent data backref root FS_TREE objectid 17045 offset 112058368 count 1 item 55 key (1937096093696 EXTENT_ITEM 4096) itemoff 13315 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112545792 count 1 item 56 key (1937096097792 EXTENT_ITEM 16384) itemoff 13262 itemsize 53 refs 2 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112594944 count 2 item 57 key (1937096118272 EXTENT_ITEM 4096) itemoff 13209 itemsize 53 refs 1 gen 74269 flags DATA extent data backref root FS_TREE objectid 17045 offset 209960960 count 1 item 58 key (1937096122368 EXTENT_ITEM 4096) itemoff 13156 itemsize 53 refs 1 gen 74062 flags DATA extent data backref root FS_TREE objectid 17045 offset 208429056 count 1 item 59 key (1937096126464 EXTENT_ITEM 4096) itemoff 13103 itemsize 53 refs 1 gen 75359 flags DATA extent data backref root FS_TREE objectid 17045 offset 216145920 count 1 item 60 key (1937096130560 EXTENT_ITEM 4096) itemoff 13050 itemsize 53 refs 1 gen 74062 flags DATA extent data backref root FS_TREE objectid 17045 offset 207757312 count 1 item 61 key (1937096134656 EXTENT_ITEM 4096) itemoff 12997 itemsize 53 refs 1 gen 75359 flags DATA extent data backref root FS_TREE objectid 17045 offset 153124864 count 1 item 62 key (1937096138752 EXTENT_ITEM 8192) itemoff 12944 itemsize 53 refs 1 gen 74062 flags DATA extent data backref root FS_TREE objectid 17045 offset 207216640 count 1 item 63 key (1937096146944 EXTENT_ITEM 4096) itemoff 12891 itemsize 53 refs 1 gen 74062 flags DATA extent data backref root FS_TREE objectid 17045 offset 207237120 count 1 item 64 key (1937096151040 EXTENT_ITEM 4096) itemoff 12838 itemsize 53 refs 1 gen 74062 flags DATA extent data backref root FS_TREE objectid 17045 offset 207392768 count 1 item 65 key (1937096159232 EXTENT_ITEM 8192) itemoff 12785 itemsize 53 refs 1 gen 72407 flags DATA extent data backref root FS_TREE objectid 17045 offset 152551424 count 1 item 66 key (1937096167424 EXTENT_ITEM 8192) itemoff 12732 itemsize 53 refs 1 gen 40011 flags DATA extent data backref root FS_TREE objectid 17045 offset 209850368 count 1 item 67 key (1937096175616 EXTENT_ITEM 4096) itemoff 12679 itemsize 53 refs 1 gen 73578 flags DATA extent data backref root FS_TREE objectid 17045 offset 157937664 count 1 item 68 key (1937096179712 EXTENT_ITEM 8192) itemoff 12626 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208592896 count 1 item 69 key (1937096187904 EXTENT_ITEM 12288) itemoff 12573 itemsize 53 refs 1 gen 40013 flags DATA extent data backref root FS_TREE objectid 17045 offset 210305024 count 1 item 70 key (1937096200192 EXTENT_ITEM 12288) itemoff 12520 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207486976 count 1 item 71 key (1937096212480 EXTENT_ITEM 36864) itemoff 12467 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208711680 count 1 item 72 key (1937096249344 EXTENT_ITEM 12288) itemoff 12414 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207499264 count 1 item 73 key (1937096261632 EXTENT_ITEM 4096) itemoff 12361 itemsize 53 refs 1 gen 56946 flags DATA extent data backref root FS_TREE objectid 17045 offset 213164032 count 1 item 74 key (1937096269824 EXTENT_ITEM 20480) itemoff 12308 itemsize 53 refs 1 gen 39895 flags DATA extent data backref root FS_TREE objectid 17045 offset 209117184 count 1 item 75 key (1937096290304 EXTENT_ITEM 8192) itemoff 12255 itemsize 53 refs 1 gen 40088 flags DATA extent data backref root FS_TREE objectid 17045 offset 209338368 count 1 item 76 key (1937096298496 EXTENT_ITEM 32768) itemoff 12202 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207458304 count 1 item 77 key (1937096331264 EXTENT_ITEM 4096) itemoff 12149 itemsize 53 refs 1 gen 41067 flags DATA extent data backref root FS_TREE objectid 17045 offset 211718144 count 1 item 78 key (1937096335360 EXTENT_ITEM 16384) itemoff 12096 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207458304 count 1 item 79 key (1937096351744 EXTENT_ITEM 16384) itemoff 12043 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208711680 count 1 item 80 key (1937096368128 EXTENT_ITEM 4096) itemoff 11990 itemsize 53 refs 1 gen 40926 flags DATA extent data backref root FS_TREE objectid 17045 offset 210849792 count 1 item 81 key (1937096372224 EXTENT_ITEM 28672) itemoff 11937 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207433728 count 1 item 82 key (1937096400896 EXTENT_ITEM 4096) itemoff 11884 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207486976 count 1 item 83 key (1937096404992 EXTENT_ITEM 4096) itemoff 11831 itemsize 53 refs 1 gen 40812 flags DATA extent data backref root FS_TREE objectid 17045 offset 213110784 count 1 item 84 key (1937096409088 EXTENT_ITEM 16384) itemoff 11778 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207433728 count 1 item 85 key (1937096425472 EXTENT_ITEM 4096) itemoff 11725 itemsize 53 refs 1 gen 41267 flags DATA extent data backref root FS_TREE objectid 17045 offset 212492288 count 1048577 item 86 key (1937096429568 EXTENT_ITEM 24576) itemoff 11672 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208617472 count 1 item 87 key (1937096454144 EXTENT_ITEM 8192) itemoff 11619 itemsize 53 refs 1 gen 72412 flags DATA extent data backref root FS_TREE objectid 17045 offset 152326144 count 1 item 88 key (1937096462336 EXTENT_ITEM 12288) itemoff 11566 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207446016 count 1 item 89 key (1937096474624 EXTENT_ITEM 16384) itemoff 11513 itemsize 53 refs 1 gen 74063 flags DATA extent data backref root FS_TREE objectid 17045 offset 209620992 count 1 item 90 key (1937096499200 EXTENT_ITEM 4096) itemoff 11460 itemsize 53 refs 1 gen 75244 flags DATA extent data backref root FS_TREE objectid 17045 offset 112607232 count 1 item 91 key (1937096503296 EXTENT_ITEM 20480) itemoff 11407 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112472064 count 1 item 92 key (1937096523776 EXTENT_ITEM 4096) itemoff 11354 itemsize 53 refs 1 gen 75244 flags DATA extent data backref root FS_TREE objectid 17045 offset 154136576 count 1 item 93 key (1937096527872 EXTENT_ITEM 16384) itemoff 11301 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112488448 count 1 item 94 key (1937096548352 EXTENT_ITEM 4096) itemoff 11248 itemsize 53 refs 1 gen 74068 flags DATA extent data backref root FS_TREE objectid 17045 offset 112062464 count 1 item 95 key (1937096552448 EXTENT_ITEM 4096) itemoff 11195 itemsize 53 refs 1 gen 75244 flags DATA extent data backref root FS_TREE objectid 17045 offset 215064576 count 1 item 96 key (1937096556544 EXTENT_ITEM 4096) itemoff 11142 itemsize 53 refs 1 gen 75251 flags DATA extent data backref root FS_TREE objectid 17045 offset 112447488 count 1 item 97 key (1937096568832 EXTENT_ITEM 4096) itemoff 11089 itemsize 53 refs 1 gen 75275 flags DATA extent data backref root FS_TREE objectid 17045 offset 112709632 count 1 item 98 key (1937096572928 EXTENT_ITEM 4096) itemoff 11036 itemsize 53 refs 1 gen 75275 flags DATA extent data backref root FS_TREE objectid 17045 offset 112979968 count 1 item 99 key (1937096577024 EXTENT_ITEM 20480) itemoff 10983 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112427008 count 1 item 100 key (1937096597504 EXTENT_ITEM 4096) itemoff 10930 itemsize 53 refs 1 gen 75251 flags DATA extent data backref root FS_TREE objectid 17045 offset 112599040 count 1 item 101 key (1937096601600 EXTENT_ITEM 20480) itemoff 10877 itemsize 53 refs 1 gen 55931 flags DATA extent data backref root FS_TREE objectid 17045 offset 208011264 count 1 item 102 key (1937096622080 EXTENT_ITEM 20480) itemoff 10824 itemsize 53 refs 1 gen 55931 flags DATA extent data backref root FS_TREE objectid 17045 offset 209616896 count 1 item 103 key (1937096642560 EXTENT_ITEM 20480) itemoff 10771 itemsize 53 refs 1 gen 55931 flags DATA extent data backref root FS_TREE objectid 17045 offset 209956864 count 1 item 104 key (1937096679424 EXTENT_ITEM 12288) itemoff 10718 itemsize 53 refs 1 gen 74068 flags DATA extent data backref root FS_TREE objectid 17045 offset 112308224 count 1 item 105 key (1937096691712 EXTENT_ITEM 24576) itemoff 10665 itemsize 53 refs 1 gen 74067 flags DATA extent data backref root FS_TREE objectid 17045 offset 112447488 count 1 item 106 key (1937096716288 EXTENT_ITEM 28672) itemoff 10612 itemsize 53 refs 2 gen 72306 flags DATA extent data backref root FS_TREE objectid 17045 offset 153755648 count 2 item 107 key (1937096744960 EXTENT_ITEM 8192) itemoff 10559 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208723968 count 1 item 108 key (1937096753152 EXTENT_ITEM 16384) itemoff 10506 itemsize 53 refs 1 gen 40030 flags DATA extent data backref root FS_TREE objectid 17045 offset 210325504 count 1 item 109 key (1937096769536 EXTENT_ITEM 8192) itemoff 10453 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208613376 count 1 item 110 key (1937096777728 EXTENT_ITEM 16384) itemoff 10400 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208625664 count 1 item 111 key (1937096794112 EXTENT_ITEM 24576) itemoff 10347 itemsize 53 refs 1 gen 39897 flags DATA extent data backref root FS_TREE objectid 17045 offset 209080320 count 1 item 112 key (1937096818688 EXTENT_ITEM 8192) itemoff 10294 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207417344 count 1 item 113 key (1937096826880 EXTENT_ITEM 20480) itemoff 10241 itemsize 53 refs 1 gen 39899 flags DATA extent data backref root FS_TREE objectid 17045 offset 208990208 count 1 item 114 key (1937096847360 EXTENT_ITEM 4096) itemoff 10188 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208789504 count 1 item 115 key (1937096851456 EXTENT_ITEM 8192) itemoff 10135 itemsize 53 refs 1 gen 40020 flags DATA extent data backref root FS_TREE objectid 17045 offset 210382848 count 1 item 116 key (1937096859648 EXTENT_ITEM 12288) itemoff 10082 itemsize 53 refs 1 gen 39471 flags DATA extent data backref root FS_TREE objectid 17045 offset 207761408 count 1 item 117 key (1937096871936 EXTENT_ITEM 12288) itemoff 10029 itemsize 53 refs 1 gen 40015 flags DATA extent data backref root FS_TREE objectid 17045 offset 210296832 count 1 item 118 key (1937096884224 EXTENT_ITEM 40960) itemoff 9976 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208674816 count 1 item 119 key (1937096925184 EXTENT_ITEM 28672) itemoff 9923 itemsize 53 refs 1 gen 39899 flags DATA extent data backref root FS_TREE objectid 17045 offset 209039360 count 1 item 120 key (1937096953856 EXTENT_ITEM 4096) itemoff 9870 itemsize 53 refs 1 gen 40812 flags DATA extent data backref root FS_TREE objectid 17045 offset 213393408 count 1 item 121 key (1937096957952 EXTENT_ITEM 4096) itemoff 9817 itemsize 53 refs 1 gen 39474 flags DATA extent data backref root FS_TREE objectid 17045 offset 207761408 count 1 item 122 key (1937096962048 EXTENT_ITEM 4096) itemoff 9764 itemsize 53 refs 1 gen 54559 flags DATA extent data backref root FS_TREE objectid 17045 offset 216350720 count 1 item 123 key (1937096966144 EXTENT_ITEM 4096) itemoff 9711 itemsize 53 refs 1 gen 72407 flags DATA extent data backref root FS_TREE objectid 17045 offset 153227264 count 1 item 124 key (1937096970240 EXTENT_ITEM 20480) itemoff 9658 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208674816 count 1 item 125 key (1937096990720 EXTENT_ITEM 8192) itemoff 9605 itemsize 53 refs 1 gen 40021 flags DATA extent data backref root FS_TREE objectid 17045 offset 210350080 count 1 item 126 key (1937096998912 EXTENT_ITEM 4096) itemoff 9552 itemsize 53 refs 1 gen 40088 flags DATA extent data backref root FS_TREE objectid 17045 offset 209866752 count 1 item 127 key (1937097003008 EXTENT_ITEM 4096) itemoff 9499 itemsize 53 refs 1 gen 41113 flags DATA extent data backref root FS_TREE objectid 17045 offset 211963904 count 1 item 128 key (1937097007104 EXTENT_ITEM 4096) itemoff 9446 itemsize 53 refs 1 gen 40908 flags DATA extent data backref root FS_TREE objectid 17045 offset 211116032 count 1 item 129 key (1937097011200 EXTENT_ITEM 8192) itemoff 9393 itemsize 53 refs 1 gen 72772 flags DATA extent data backref root FS_TREE objectid 17045 offset 158105600 count 1 item 130 key (1937097019392 EXTENT_ITEM 16384) itemoff 9340 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207421440 count 1 item 131 key (1937097035776 EXTENT_ITEM 4096) itemoff 9287 itemsize 53 refs 1 gen 40127 flags DATA extent data backref root FS_TREE objectid 17045 offset 208486400 count 1 item 132 key (1937097039872 EXTENT_ITEM 28672) itemoff 9234 itemsize 53 refs 1 gen 39897 flags DATA extent data backref root FS_TREE objectid 17045 offset 208941056 count 1 item 133 key (1937097068544 EXTENT_ITEM 20480) itemoff 9181 itemsize 53 refs 1 gen 39927 flags DATA extent data backref root FS_TREE objectid 17045 offset 209039360 count 1 item 134 key (1937097093120 EXTENT_ITEM 4096) itemoff 9128 itemsize 53 refs 1 gen 40127 flags DATA extent data backref root FS_TREE objectid 17045 offset 208900096 count 1 item 135 key (1937097097216 EXTENT_ITEM 4096) itemoff 9075 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208367616 count 1 item 136 key (1937097101312 EXTENT_ITEM 24576) itemoff 9022 itemsize 53 refs 1 gen 39901 flags DATA extent data backref root FS_TREE objectid 17045 offset 209039360 count 1 item 137 key (1937097125888 EXTENT_ITEM 16384) itemoff 8969 itemsize 53 refs 1 gen 40082 flags DATA extent data backref root FS_TREE objectid 17045 offset 209321984 count 1 item 138 key (1937097142272 EXTENT_ITEM 40960) itemoff 8916 itemsize 53 refs 1 gen 39867 flags DATA extent data backref root FS_TREE objectid 17045 offset 208637952 count 1 item 139 key (1937097183232 EXTENT_ITEM 20480) itemoff 8863 itemsize 53 refs 1 gen 39966 flags DATA extent data backref root FS_TREE objectid 17045 offset 209797120 count 1 item 140 key (1937097203712 EXTENT_ITEM 20480) itemoff 8810 itemsize 53 refs 1 gen 40127 flags DATA extent data backref root FS_TREE objectid 17045 offset 208896000 count 1 item 141 key (1937097224192 EXTENT_ITEM 16384) itemoff 8757 itemsize 53 refs 1 gen 40024 flags DATA extent data backref root FS_TREE objectid 17045 offset 210653184 count 1 item 142 key (1937097240576 EXTENT_ITEM 4096) itemoff 8704 itemsize 53 refs 1 gen 72442 flags DATA extent data backref root FS_TREE objectid 17045 offset 151691264 count 1 item 143 key (1937097244672 EXTENT_ITEM 8192) itemoff 8651 itemsize 53 refs 1 gen 39528 flags DATA extent data backref root FS_TREE objectid 17045 offset 207384576 count 1 item 144 key (1937097252864 EXTENT_ITEM 12288) itemoff 8598 itemsize 53 refs 1 gen 56865 flags DATA extent data backref root FS_TREE objectid 17045 offset 205619200 count 1 The full output of "btrfs check --readonly /dev/sda" command is as below: [1/7] checking root items [2/7] checking extents incorrect local backref count on 1937096425472 root 5 owner 17045 offset 212492288 found 1 wanted 1048577 back 0x55f258caa470 backpointer mismatch on [1937096425472 4096] ERROR: errors found in extent allocation tree or chunk allocation [3/7] checking free space cache [4/7] checking fs roots [5/7] checking only csums items (without verifying data) [6/7] checking root refs [7/7] checking quota groups skipped (not enabled on this FS) Opening filesystem to check... Checking filesystem on /dev/sda UUID: 014bdf0a-bcb3-4a7c-b58d-c1fc17281f7e found 1386975199232 bytes used, error(s) found total csum bytes: 1352697008 total tree bytes: 1508327424 total fs tree bytes: 61161472 total extent tree bytes: 37421056 btree space waste bytes: 55303865 file data blocks allocated: 1388605296640 referenced 1385670742016 I did "btrfs rescue zero-log /dev/sda" but that did not change the output of "btrfs check" performed afterwards. regards, Jörg Am Sonntag, 22. Dezember 2019, 01:59:16 CET schrieben Sie: > On 2019/12/21 下午10:55, jollemeyer@xxxxxx wrote: > > Dear Qu, > > > > the output is as follows: > > #btrfs ins dump-tree - b 2089035464704 /dev/sda1 > > btrfs-progs v5.4 > > No mapping for 2089035464704 - 2089035481088 > > Couldn't map the block 2089035464704 > > Couldn't map the block 2089035464704 > > Bad tree Block 2089035464704, bytenr mismatch, want 2089035464704, have 0 > > ERROR: failed to read tree Block 2089035464704 > > That's strange. The tree block isn't even mapped. > > But from the dmesg, it shows there is an extent item in log tree, which > doesn't look sane. > > BTW, what's the stderr from `btrfs check` I guess you have only patesd > the stdout thus no real error message. > > Anyway, you can solve it by `btrfs rescue zero-log`, but I doubt there > are more problems than we expect. > > Thanks, > Qu > > > Many thanks. > > > > Jörg > > > > -----Original Message----- > > From: Qu Wenruo <quwenruo.btrfs@xxxxxxx> > > To: jollemeyer@xxxxxx, linux-btrfs@xxxxxxxxxxxxxxx > > Sent: Sa., 21 Dez. 2019 15:19 > > Subject: Re: read time block corruption on root partition, Not booting > > > > On 2019/12/21 下午10:06, jollemeyer@xxxxxx wrote: > >> Dear all, > >> > >> on my BTRFS root partition (/dev/sda), a "read time block corruption" was > >> detected. The system refuses to boot. Current kernel is 5.4.2-1-Manjaro. > >> > >> Systemd's journalctl generated the following output: > >> > >> Dez 21 10:46:41 Phoenix kernel: BTRFS critical (device sda): corrupt > >> leaf: block=2089035464704 slot=85 extent bytenr=1937096425472 len=4096 > >> invalid extent refs, have 1 expect >= inline 1048577 Dez 21 10:46:41 > >> Phoenix kernel: BTRFS error (device sda): block=2089035464704 read time > >> tree block corruption detected Dez 21 10:46:41 Phoenix kernel: BTRFS > >> critical (device sda): corrupt leaf: block=2089035464704 slot=85 extent > >> bytenr=1937096425472 len=4096 invalid extent refs, have 1 expect >= > >> inline 1048577 Dez 21 10:46:41 Phoenix kernel: BTRFS error (device sda): > >> block=2089035464704 read time tree block corruption detected Dez 21 > >> 10:46:41 Phoenix kernel: BTRFS critical (device sda): corrupt leaf: > >> block=2089035464704 slot=85 extent bytenr=1937096425472 len=4096 invalid > >> extent refs, have 1 expect >= inline 1048577 Dez 21 10:46:41 Phoenix > >> kernel: BTRFS error (device sda): block=2089035464704 read time tree > >> block corruption detected Dez 21 10:46:41 Phoenix kernel: BTRFS critical > >> (device sda): corrupt leaf: block=2089035464704 slot=85 extent > >> bytenr=1937096425472 len=4096 invalid extent refs, have 1 expect >= > >> inline 1048577 Dez 21 10:46:41 Phoenix kernel: BTRFS error (device sda): > >> block=2089035464704 read time tree block corruption detected Dez 21 > >> 10:46:41 Phoenix kernel: BTRFS: error (device sda) in > >> btrfs_replay_log:2293: errno=-5 IO failure (Failed to recover log tree)> > > "btrfs ins dump-tree -b 2089035464704 /dev/sda" output please. > > > > Thanks, > > Qu > > > >> Dez 21 10:46:41 Phoenix kernel: ------------[ cut here ]------------ > >> Dez 21 10:46:41 Phoenix kernel: WARNING: CPU: 7 PID: 621 at > >> fs/btrfs/block-group.c:132 btrfs_put_block_group+0x42/0x50 [btrfs] Dez > >> 21 10:46:41 Phoenix kernel: Modules linked in: usblp snd_hda_codec_hdmi > >> intel_rapl_msr snd_hda_codec_realtek intel_rapl_common > >> snd_hda_codec_generic ext4 ledtrig_audio x86_pkg_temp_thermal > >> intel_powerclamp coretemp crc16 kvm_intel mbcache i915 jbd2 kvm > >> snd_hda_intel snd_intel_nhlt i2c_algo_bit irqbypass drm_kms_helper > >> snd_hda_codec crct10dif_pclmul crc32_pclmul snd_hda_core mousedev > >> ghash_clmulni_intel drm snd_hwdep snd_pcm aesni_intel crypto_simd cryptd > >> glue_helper mei_hdcp intel_cstate iTCO_wdt intel_gtt snd_timer > >> iTCO_vendor_support intel_uncore mei_me intel_rapl_perf input_leds > >> agpgart i2c_i801 snd syscopyarea mei sysfillrect lpc_ich r8168(OE) > >> sysimgblt soundcore fb_sys_fops evdev ie31200_edac mac_hid vboxpci(OE) > >> vboxnetflt(OE) vboxnetadp(OE) vboxdrv(OE) sg crypto_user ip_tables > >> x_tables hid_generic usbhid hid btrfs libcrc32c crc32c_generic xor uas > >> usb_storage raid6_pq sr_mod cdrom sd_mod ahci serio_raw atkbd libahci > >> libps2 libata xhci_pci scsi_mod xhci_hcd ehci_pci crc32c_intel ehci_hcd > >> i8042 serio Dez 21 10:46:41 Phoenix kernel: CPU: 7 PID: 621 Comm: mount > >> Tainted: G OE 5.4.2-1-MANJARO #1 Dez 21 10:46:41 Phoenix > >> kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H77 > >> Pro4/MVP, BIOS P1.40 09/04/2012 Dez 21 10:46:41 Phoenix kernel: RIP: > >> 0010:btrfs_put_block_group+0x42/0x50 [btrfs] Dez 21 10:46:41 Phoenix > >> kernel: Code: 2d 48 83 7d 50 00 75 22 48 8b 85 e8 01 00 00 48 85 c0 75 > >> 1e 48 8b bd d8 00 00 00 e8 a8 08 66 d9 48 89 ef 5d e9 9f 08 66 d9 c3 > >> <0f> 0b eb da 0f 0b eb cf 0f 0b eb de 66 90 0f 1f 44 00 00 31 d2 e9 Dez > >> 21 10:46:41 Phoenix kernel: RSP: 0018:ffffa95900f47ae8 EFLAGS: 00010206 > >> Dez 21 10:46:41 Phoenix kernel: RAX: 0000000000000001 RBX: > >> ffff8a1eb7bfe0e0 RCX: 0000000000000000 Dez 21 10:46:41 Phoenix kernel: > >> RDX: 0000000000000001 RSI: ffff8a1ecf5f0250 RDI: ffff8a1eb7bfe000 Dez 21 > >> 10:46:41 Phoenix kernel: RBP: ffff8a1eb7bfe000 R08: 0000000000000000 > >> R09: 0000000000000001 Dez 21 10:46:41 Phoenix kernel: R10: > >> 00000000003f6c00 R11: 0000000000000000 R12: ffff8a1ec81b0080 Dez 21 > >> 10:46:41 Phoenix kernel: R13: ffff8a1ec81b0090 R14: ffff8a1eb7bfe000 > >> R15: dead000000000100 Dez 21 10:46:41 Phoenix kernel: FS: > >> 00007f77003d7500(0000) GS:ffff8a1ecf5c0000(0000) knlGS:0000000000000000 > >> Dez 21 10:46:41 Phoenix kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > >> 0000000080050033 Dez 21 10:46:41 Phoenix kernel: CR2: 0000559652364460 > >> CR3: 00000003fbaec005 CR4: 00000000001606e0 Dez 21 10:46:41 Phoenix > >> kernel: Call Trace: > >> Dez 21 10:46:41 Phoenix kernel: btrfs_free_block_groups+0x11c/0x260 > >> [btrfs] Dez 21 10:46:41 Phoenix kernel: open_ctree+0x187a/0x1bc0 > >> [btrfs] > >> Dez 21 10:46:41 Phoenix kernel: btrfs_mount_root+0x57b/0x670 [btrfs] > >> Dez 21 10:46:41 Phoenix kernel: legacy_get_tree+0x27/0x40 > >> Dez 21 10:46:41 Phoenix kernel: vfs_get_tree+0x25/0xb0 > >> Dez 21 10:46:41 Phoenix kernel: fc_mount+0xe/0x30 > >> Dez 21 10:46:41 Phoenix kernel: vfs_kern_mount.part.0+0x71/0x90 > >> Dez 21 10:46:41 Phoenix kernel: btrfs_mount+0x18e/0x930 [btrfs] > >> Dez 21 10:46:41 Phoenix kernel: ? filename_lookup+0x105/0x190 > >> Dez 21 10:46:41 Phoenix kernel: ? legacy_get_tree+0x27/0x40 > >> Dez 21 10:46:41 Phoenix kernel: ? btrfs_remount+0x4d0/0x4d0 [btrfs] > >> Dez 21 10:46:41 Phoenix kernel: legacy_get_tree+0x27/0x40 > >> Dez 21 10:46:41 Phoenix kernel: vfs_get_tree+0x25/0xb0 > >> Dez 21 10:46:41 Phoenix kernel: do_mount+0x77a/0xa30 > >> Dez 21 10:46:41 Phoenix kernel: ksys_mount+0x7e/0xc0 > >> Dez 21 10:46:41 Phoenix kernel: __x64_sys_mount+0x21/0x30 > >> Dez 21 10:46:41 Phoenix kernel: do_syscall_64+0x4e/0x140 > >> Dez 21 10:46:41 Phoenix kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 > >> Dez 21 10:46:41 Phoenix kernel: RIP: 0033:0x7f770055ae4e > >> Dez 21 10:46:41 Phoenix kernel: Code: 48 8b 0d 35 00 0c 00 f7 d8 64 89 01 > >> 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 > >> a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 02 00 0c 00 f7 > >> d8 64 89 01 48 Dez 21 10:46:41 Phoenix kernel: RSP: > >> 002b:00007ffedb3135c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 Dez 21 > >> 10:46:41 Phoenix kernel: RAX: ffffffffffffffda RBX: 00007f7700681204 > >> RCX: 00007f770055ae4e Dez 21 10:46:41 Phoenix kernel: RDX: > >> 000055d9705f5650 RSI: 000055d9705f56f0 RDI: 000055d9705f73d0 Dez 21 > >> 10:46:41 Phoenix kernel: RBP: 000055d9705f5440 R08: 000055d9705f5670 > >> R09: 0000000000000000 Dez 21 10:46:41 Phoenix kernel: R10: > >> 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 Dez 21 > >> 10:46:41 Phoenix kernel: R13: 000055d9705f73d0 R14: 000055d9705f5650 > >> R15: 000055d9705f5440 Dez 21 10:46:41 Phoenix kernel: ---[ end trace > >> 71465d442bb4c509 ]--- Dez 21 10:46:41 Phoenix kernel: ------------[ cut > >> here ]------------ Dez 21 10:46:41 Phoenix kernel: WARNING: CPU: 0 PID: > >> 621 at fs/btrfs/block-group.c:3166 btrfs_free_block_groups+0x1ea/0x260 > >> [btrfs] Dez 21 10:46:41 Phoenix kernel: Modules linked in: usblp > >> snd_hda_codec_hdmi intel_rapl_msr snd_hda_codec_realtek > >> intel_rapl_common snd_hda_codec_generic ext4 ledtrig_audio > >> x86_pkg_temp_thermal intel_powerclamp coretemp crc16 kvm_intel mbcache > >> i915 jbd2 kvm snd_hda_intel snd_intel_nhlt i2c_algo_bit irqbypass > >> drm_kms_helper snd_hda_codec crct10dif_pclmul crc32_pclmul snd_hda_core > >> mousedev ghash_clmulni_intel drm snd_hwdep snd_pcm aesni_intel > >> crypto_simd cryptd glue_helper mei_hdcp intel_cstate iTCO_wdt intel_gtt > >> snd_timer iTCO_vendor_support intel_uncore mei_me intel_rapl_perf > >> input_leds agpgart i2c_i801 snd syscopyarea mei sysfillrect lpc_ich > >> r8168(OE) sysimgblt soundcore fb_sys_fops evdev ie31200_edac mac_hid > >> vboxpci(OE) vboxnetflt(OE) vboxnetadp(OE) vboxdrv(OE) sg crypto_user > >> ip_tables x_tables hid_generic usbhid hid btrfs libcrc32c crc32c_generic > >> xor uas usb_storage raid6_pq sr_mod cdrom sd_mod ahci serio_raw atkbd > >> libahci libps2 libata xhci_pci scsi_mod xhci_hcd ehci_pci crc32c_intel > >> ehci_hcd i8042 serio Dez 21 10:46:41 Phoenix kernel: CPU: 0 PID: 621 > >> Comm: mount Tainted: G W OE 5.4.2-1-MANJARO #1 Dez 21 > >> 10:46:41 Phoenix kernel: Hardware name: To Be Filled By O.E.M. To Be > >> Filled By O.E.M./H77 Pro4/MVP, BIOS P1.40 09/04/2012 Dez 21 10:46:41 > >> Phoenix kernel: RIP: 0010:btrfs_free_block_groups+0x1ea/0x260 [btrfs] > >> Dez 21 10:46:41 Phoenix kernel: Code: 49 bd 22 01 00 00 00 00 ad de e8 > >> 51 13 d1 d9 e8 0c d3 4e d9 48 89 ef e8 64 9b ff ff 48 8b 85 00 10 00 00 > >> 49 39 c4 75 3c eb 5f <0f> 0b 31 c9 31 d2 4c 89 fe 48 89 ef e8 55 85 ff > >> ff 48 8b 43 08 48 Dez 21 10:46:41 Phoenix kernel: RSP: > >> 0018:ffffa95900f47af8 EFLAGS: 00010206 Dez 21 10:46:41 Phoenix kernel: > >> RAX: ffff8a1eca367488 RBX: ffff8a1eca367488 RCX: 0000000000000000 Dez 21 > >> 10:46:41 Phoenix kernel: RDX: 0000000000000001 RSI: ffff8a1eca364200 > >> RDI: 00000000ffffffff Dez 21 10:46:41 Phoenix kernel: RBP: > >> ffff8a1ec81b0000 R08: 0000000000000000 R09: 0000000020000000 Dez 21 > >> 10:46:41 Phoenix kernel: R10: 0000000000000005 R11: ffffffffffd5ce37 > >> R12: ffff8a1ec81b1000 Dez 21 10:46:41 Phoenix kernel: R13: > >> dead000000000122 R14: dead000000000100 R15: ffff8a1eca367400 Dez 21 > >> 10:46:41 Phoenix kernel: FS: 00007f77003d7500(0000) > >> GS:ffff8a1ecf400000(0000) knlGS:0000000000000000 Dez 21 10:46:41 Phoenix > >> kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Dez 21 > >> 10:46:41 Phoenix kernel: CR2: 0000559006e55d68 CR3: 00000003fbaec006 > >> CR4: 00000000001606f0 Dez 21 10:46:41 Phoenix kernel: Call Trace: > >> Dez 21 10:46:41 Phoenix kernel: open_ctree+0x187a/0x1bc0 [btrfs] > >> Dez 21 10:46:41 Phoenix kernel: btrfs_mount_root+0x57b/0x670 [btrfs] > >> Dez 21 10:46:41 Phoenix kernel: legacy_get_tree+0x27/0x40 > >> Dez 21 10:46:41 Phoenix kernel: vfs_get_tree+0x25/0xb0 > >> Dez 21 10:46:41 Phoenix kernel: fc_mount+0xe/0x30 > >> Dez 21 10:46:41 Phoenix kernel: vfs_kern_mount.part.0+0x71/0x90 > >> Dez 21 10:46:41 Phoenix kernel: btrfs_mount+0x18e/0x930 [btrfs] > >> Dez 21 10:46:41 Phoenix kernel: ? filename_lookup+0x105/0x190 > >> Dez 21 10:46:41 Phoenix kernel: ? legacy_get_tree+0x27/0x40 > >> Dez 21 10:46:41 Phoenix kernel: ? btrfs_remount+0x4d0/0x4d0 [btrfs] > >> Dez 21 10:46:41 Phoenix kernel: legacy_get_tree+0x27/0x40 > >> Dez 21 10:46:41 Phoenix kernel: vfs_get_tree+0x25/0xb0 > >> Dez 21 10:46:41 Phoenix kernel: do_mount+0x77a/0xa30 > >> Dez 21 10:46:41 Phoenix kernel: ksys_mount+0x7e/0xc0 > >> Dez 21 10:46:41 Phoenix kernel: __x64_sys_mount+0x21/0x30 > >> Dez 21 10:46:41 Phoenix kernel: do_syscall_64+0x4e/0x140 > >> Dez 21 10:46:41 Phoenix kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 > >> Dez 21 10:46:41 Phoenix kernel: RIP: 0033:0x7f770055ae4e > >> Dez 21 10:46:41 Phoenix kernel: Code: 48 8b 0d 35 00 0c 00 f7 d8 64 89 01 > >> 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 > >> a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 02 00 0c 00 f7 > >> d8 64 89 01 48 Dez 21 10:46:41 Phoenix kernel: RSP: > >> 002b:00007ffedb3135c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 Dez 21 > >> 10:46:41 Phoenix kernel: RAX: ffffffffffffffda RBX: 00007f7700681204 > >> RCX: 00007f770055ae4e Dez 21 10:46:41 Phoenix kernel: RDX: > >> 000055d9705f5650 RSI: 000055d9705f56f0 RDI: 000055d9705f73d0 Dez 21 > >> 10:46:41 Phoenix kernel: RBP: 000055d9705f5440 R08: 000055d9705f5670 > >> R09: 0000000000000000 Dez 21 10:46:41 Phoenix kernel: R10: > >> 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 Dez 21 > >> 10:46:41 Phoenix kernel: R13: 000055d9705f73d0 R14: 000055d9705f5650 > >> R15: 000055d9705f5440 Dez 21 10:46:41 Phoenix kernel: ---[ end trace > >> 71465d442bb4c50a ]--- Dez 21 10:46:41 Phoenix kernel: BTRFS info (device > >> sda): space_info 1 has 733175808 free, is not full Dez 21 10:46:41 > >> Phoenix kernel: BTRFS info (device sda): space_info total=1386200694784, > >> used=1385467318272, pinned=0, reserved=4096, may_use=0, readonly=196608 > >> Dez 21 10:46:41 Phoenix kernel: BTRFS info (device sda): > >> global_block_rsv: size 0 reserved 0 Dez 21 10:46:41 Phoenix kernel: > >> BTRFS info (device sda): trans_block_rsv: size 0 reserved 0 Dez 21 > >> 10:46:41 Phoenix kernel: BTRFS info (device sda): chunk_block_rsv: size > >> 0 reserved 0 Dez 21 10:46:41 Phoenix kernel: BTRFS info (device sda): > >> delayed_block_rsv: size 0 reserved 0 Dez 21 10:46:41 Phoenix kernel: > >> BTRFS info (device sda): delayed_refs_rsv: size 0 reserved 0 Dez 21 > >> 10:46:41 Phoenix kernel: BTRFS error (device sda): open_ctree failed -- > >> Subject: Unit process exited > >> -- Defined-By: systemd > >> > >> Btrfs check --readonly /dev/sda also found errors: > >> > >> Opening filesystem to check... > >> Checking filesystem on /dev/sda > >> UUID: 014bdf0a-bcb3-4a7c-b58d-c1fc17281f7e > >> found 1386975199232 bytes used, error(s) found > >> total csum bytes: 1352697008 > >> total tree bytes: 1508327424 > >> total fs tree bytes: 61161472 > >> total extent tree bytes: 37421056 > >> btree space waste bytes: 55303865 > >> file data blocks allocated: 1388605296640 > >> > >> referenced 1385670742016 > >> > >> Btrfs scrub does not recognize any errors. > >> > >> Kindly help me to recover this error. > >> > >> many thanks, > >> > >> Jörg Meyer
