I've retested btrfs-progs 4.17 lowmem mode and still get a bunch of 'referencer count mismatch' that I don't see with original mode.
e.g. ERROR: extent[1299275636736, 2654208] referencer count mismatch (root: 2192, owner: 317900, offset: 0) wanted: 5, have: 21 Complete output attached as a text file, since the MUA will mess up the line wrap. -- Chris Murphy
[chris@f28s ~]$ sudo ~/Applications/btrfs-progs/btrfs --version btrfs-progs v4.17 [chris@f28s ~]$ sudo ~/Applications/btrfs-progs/btrfs check --mode=lowmem /dev/mapper/first Checking filesystem on /dev/mapper/first UUID: 0f43f49d-6e63-4b1b-bc8c-c54da409872d checking extents ERROR: extent[1258793181184, 81903616] referencer count mismatch (root: 2192, owner: 323075, offset: 0) wanted: 551, have: 625 ERROR: extent[1258899460096, 82878464] referencer count mismatch (root: 2192, owner: 323115, offset: 0) wanted: 521, have: 633 ERROR: extent[1259036663808, 64319488] referencer count mismatch (root: 2192, owner: 323125, offset: 0) wanted: 376, have: 491 ERROR: extent[1259102384128, 64552960] referencer count mismatch (root: 2192, owner: 323137, offset: 0) wanted: 439, have: 493 ERROR: extent[1259171381248, 113295360] referencer count mismatch (root: 2192, owner: 323147, offset: 0) wanted: 763, have: 865 ERROR: extent[1259307835392, 2576384] referencer count mismatch (root: 2192, owner: 323191, offset: 0) wanted: 9, have: 20 ERROR: extent[1259327455232, 30089216] referencer count mismatch (root: 2192, owner: 323203, offset: 0) wanted: 204, have: 230 ERROR: extent[1259372060672, 1974272] referencer count mismatch (root: 2192, owner: 323218, offset: 0) wanted: 13, have: 16 ERROR: extent[1259924090880, 22102016] referencer count mismatch (root: 2192, owner: 323199, offset: 427819008) wanted: 52, have: 169 ERROR: extent[1259960025088, 2211840] referencer count mismatch (root: 2192, owner: 323244, offset: 0) wanted: 11, have: 17 ERROR: extent[1260158959616, 53563392] referencer count mismatch (root: 2192, owner: 323328, offset: 0) wanted: 328, have: 409 ERROR: extent[1260258131968, 134217728] referencer count mismatch (root: 2192, owner: 323609, offset: 0) wanted: 959, have: 1024 ERROR: extent[1260410531840, 1716224] referencer count mismatch (root: 2192, owner: 323625, offset: 0) wanted: 4, have: 14 ERROR: extent[1261505388544, 1839104] referencer count mismatch (root: 2192, owner: 323654, offset: 0) wanted: 10, have: 15 ERROR: extent[1261846781952, 56676352] referencer count mismatch (root: 2192, owner: 323731, offset: 0) wanted: 354, have: 433 ERROR: extent[1262246526976, 2256896] referencer count mismatch (root: 2192, owner: 323750, offset: 0) wanted: 10, have: 18 ERROR: extent[1262765875200, 765952] referencer count mismatch (root: 2192, owner: 319045, offset: 0) wanted: 5, have: 6 ERROR: extent[1262984384512, 1642496] referencer count mismatch (root: 2192, owner: 322213, offset: 0) wanted: 6, have: 13 ERROR: extent[1263573057536, 1159168] referencer count mismatch (root: 2192, owner: 323009, offset: 0) wanted: 2, have: 9 ERROR: extent[1263615098880, 1220608] referencer count mismatch (root: 2192, owner: 323062, offset: 0) wanted: 1, have: 10 ERROR: extent[1263647588352, 2310144] referencer count mismatch (root: 2192, owner: 330026, offset: 0) wanted: 6, have: 18 ERROR: extent[1263665254400, 3538944] referencer count mismatch (root: 2192, owner: 330035, offset: 0) wanted: 16, have: 27 ERROR: extent[1263695650816, 1773568] referencer count mismatch (root: 2192, owner: 330054, offset: 0) wanted: 8, have: 14 ERROR: extent[1263894016000, 1536000] referencer count mismatch (root: 2192, owner: 319139, offset: 0) wanted: 9, have: 12 ERROR: extent[1263904493568, 1122304] referencer count mismatch (root: 2192, owner: 319151, offset: 0) wanted: 3, have: 9 ERROR: extent[1263915298816, 540672] referencer count mismatch (root: 2192, owner: 319176, offset: 0) wanted: 1, have: 5 ERROR: extent[1264166404096, 679936] referencer count mismatch (root: 2192, owner: 319672, offset: 0) wanted: 3, have: 6 ERROR: extent[1264205729792, 2166784] referencer count mismatch (root: 2192, owner: 319706, offset: 0) wanted: 13, have: 17 ERROR: extent[1264443080704, 327680] referencer count mismatch (root: 2192, owner: 319874, offset: 0) wanted: 2, have: 3 ERROR: extent[1264474132480, 1277952] referencer count mismatch (root: 2192, owner: 319926, offset: 0) wanted: 6, have: 10 ERROR: extent[1264494592000, 1622016] referencer count mismatch (root: 2192, owner: 319943, offset: 0) wanted: 12, have: 13 ERROR: extent[1264528855040, 2527232] referencer count mismatch (root: 2192, owner: 319965, offset: 0) wanted: 16, have: 20 ERROR: extent[1264556707840, 901120] referencer count mismatch (root: 2192, owner: 319974, offset: 0) wanted: 3, have: 7 ERROR: extent[1265866297344, 651264] referencer count mismatch (root: 2192, owner: 320062, offset: 0) wanted: 2, have: 5 ERROR: extent[1266110365696, 929792] referencer count mismatch (root: 2192, owner: 320074, offset: 0) wanted: 7, have: 8 ERROR: extent[1266197757952, 2420736] referencer count mismatch (root: 2192, owner: 320101, offset: 0) wanted: 12, have: 19 ERROR: extent[1266310610944, 2519040] referencer count mismatch (root: 2192, owner: 320139, offset: 0) wanted: 3, have: 20 ERROR: extent[1266373623808, 2641920] referencer count mismatch (root: 2192, owner: 320171, offset: 0) wanted: 6, have: 21 ERROR: extent[1266563051520, 1077248] referencer count mismatch (root: 2192, owner: 320185, offset: 0) wanted: 3, have: 9 ERROR: extent[1266759434240, 958464] referencer count mismatch (root: 2192, owner: 320203, offset: 0) wanted: 4, have: 8 ERROR: extent[1266968154112, 995328] referencer count mismatch (root: 2192, owner: 320237, offset: 0) wanted: 7, have: 8 ERROR: extent[1267030790144, 143360] referencer count mismatch (root: 2192, owner: 320262, offset: 0) wanted: 1, have: 2 ERROR: extent[1267294498816, 2236416] referencer count mismatch (root: 2192, owner: 320603, offset: 0) wanted: 7, have: 18 ERROR: extent[1267580084224, 2674688] referencer count mismatch (root: 2192, owner: 320658, offset: 0) wanted: 8, have: 21 ERROR: extent[1267642232832, 1830912] referencer count mismatch (root: 2192, owner: 320670, offset: 0) wanted: 9, have: 14 ERROR: extent[1267759599616, 827392] referencer count mismatch (root: 2192, owner: 320779, offset: 0) wanted: 1, have: 7 ERROR: extent[1267773407232, 749568] referencer count mismatch (root: 2192, owner: 320798, offset: 0) wanted: 5, have: 6 ERROR: extent[1267807432704, 794624] referencer count mismatch (root: 2192, owner: 320825, offset: 0) wanted: 3, have: 7 ERROR: extent[1268002275328, 2113536] referencer count mismatch (root: 2192, owner: 321004, offset: 0) wanted: 10, have: 17 ERROR: extent[1268018139136, 487424] referencer count mismatch (root: 2192, owner: 321022, offset: 0) wanted: 3, have: 4 ERROR: extent[1275709833216, 1851392] referencer count mismatch (root: 2192, owner: 297626, offset: 0) wanted: 3, have: 15 ERROR: extent[1276156461056, 1363968] referencer count mismatch (root: 2192, owner: 298850, offset: 0) wanted: 4, have: 11 ERROR: extent[1276216307712, 1200128] referencer count mismatch (root: 2192, owner: 298910, offset: 0) wanted: 5, have: 10 ERROR: extent[1276231864320, 1441792] referencer count mismatch (root: 2192, owner: 298925, offset: 0) wanted: 3, have: 11 ERROR: extent[1276248236032, 1175552] referencer count mismatch (root: 2192, owner: 298937, offset: 0) wanted: 7, have: 9 ERROR: extent[1276260663296, 499712] referencer count mismatch (root: 2192, owner: 298955, offset: 0) wanted: 3, have: 4 ERROR: extent[1276349661184, 1343488] referencer count mismatch (root: 2192, owner: 299029, offset: 0) wanted: 2, have: 11 ERROR: extent[1276361928704, 679936] referencer count mismatch (root: 2192, owner: 299040, offset: 0) wanted: 4, have: 6 ERROR: extent[1276678701056, 442368] referencer count mismatch (root: 2192, owner: 298248, offset: 0) wanted: 1, have: 4 ERROR: extent[1276703105024, 1273856] referencer count mismatch (root: 2192, owner: 299421, offset: 0) wanted: 1, have: 10 ERROR: extent[1276746051584, 614400] referencer count mismatch (root: 2192, owner: 299487, offset: 0) wanted: 1, have: 5 ERROR: extent[1276758941696, 1392640] referencer count mismatch (root: 2192, owner: 299870, offset: 0) wanted: 8, have: 11 ERROR: extent[1276758941696, 1392640] referencer count mismatch (root: 2192, owner: 299983, offset: 0) wanted: 7, have: 10 ERROR: extent[1276772073472, 1224704] referencer count mismatch (root: 2192, owner: 299881, offset: 0) wanted: 9, have: 10 ERROR: extent[1276789489664, 1355776] referencer count mismatch (root: 2192, owner: 299896, offset: 0) wanted: 3, have: 11 ERROR: extent[1276805271552, 1290240] referencer count mismatch (root: 2192, owner: 299908, offset: 0) wanted: 4, have: 10 ERROR: extent[1276822466560, 1085440] referencer count mismatch (root: 2192, owner: 299923, offset: 0) wanted: 6, have: 9 ERROR: extent[1276839735296, 1454080] referencer count mismatch (root: 2192, owner: 299938, offset: 0) wanted: 6, have: 12 ERROR: extent[1276873445376, 1318912] referencer count mismatch (root: 2192, owner: 299968, offset: 0) wanted: 7, have: 11 ERROR: extent[1276898889728, 1146880] referencer count mismatch (root: 2192, owner: 299991, offset: 0) wanted: 2, have: 9 ERROR: extent[1277025230848, 1191936] referencer count mismatch (root: 2192, owner: 300096, offset: 0) wanted: 3, have: 10 ERROR: extent[1277102907392, 1318912] referencer count mismatch (root: 2192, owner: 300163, offset: 0) wanted: 8, have: 11 ERROR: extent[1277121216512, 1327104] referencer count mismatch (root: 2192, owner: 300178, offset: 0) wanted: 5, have: 11 ERROR: extent[1277188087808, 1179648] referencer count mismatch (root: 2192, owner: 300235, offset: 0) wanted: 7, have: 9 ERROR: extent[1277263859712, 1060864] referencer count mismatch (root: 2192, owner: 300300, offset: 0) wanted: 3, have: 9 ERROR: extent[1277330145280, 1019904] referencer count mismatch (root: 2192, owner: 300361, offset: 0) wanted: 5, have: 8 ERROR: extent[1277343236096, 1044480] referencer count mismatch (root: 2192, owner: 300378, offset: 0) wanted: 6, have: 8 ERROR: extent[1277425733632, 868352] referencer count mismatch (root: 2192, owner: 300464, offset: 0) wanted: 2, have: 7 ERROR: extent[1277739409408, 1138688] referencer count mismatch (root: 2192, owner: 300989, offset: 0) wanted: 1, have: 9 ERROR: extent[1277751787520, 1306624] referencer count mismatch (root: 2192, owner: 301002, offset: 0) wanted: 4, have: 10 ERROR: extent[1278093537280, 925696] referencer count mismatch (root: 2192, owner: 301572, offset: 0) wanted: 7, have: 8 ERROR: extent[1278124670976, 2674688] referencer count mismatch (root: 2192, owner: 301605, offset: 0) wanted: 5, have: 21 ERROR: extent[1278146277376, 2650112] referencer count mismatch (root: 2192, owner: 301615, offset: 0) wanted: 2, have: 21 ERROR: extent[1278179549184, 1032192] referencer count mismatch (root: 2192, owner: 301639, offset: 0) wanted: 7, have: 8 ERROR: extent[1278216667136, 2318336] referencer count mismatch (root: 2192, owner: 301660, offset: 0) wanted: 10, have: 18 ERROR: extent[1278231187456, 2211840] referencer count mismatch (root: 2192, owner: 301671, offset: 0) wanted: 12, have: 17 ERROR: extent[1278264672256, 1740800] referencer count mismatch (root: 2192, owner: 301691, offset: 0) wanted: 10, have: 14 ERROR: extent[1278339145728, 2289664] referencer count mismatch (root: 2192, owner: 302038, offset: 0) wanted: 6, have: 18 ERROR: extent[1278385999872, 1118208] referencer count mismatch (root: 2192, owner: 302074, offset: 0) wanted: 3, have: 9 ERROR: extent[1278455382016, 2969600] referencer count mismatch (root: 2192, owner: 302127, offset: 0) wanted: 20, have: 23 ERROR: extent[1278572425216, 761856] referencer count mismatch (root: 2192, owner: 301121, offset: 0) wanted: 1, have: 6 ERROR: extent[1278588706816, 1871872] referencer count mismatch (root: 2192, owner: 301134, offset: 0) wanted: 3, have: 15 ERROR: extent[1278617640960, 2121728] referencer count mismatch (root: 2192, owner: 301161, offset: 0) wanted: 16, have: 17 ERROR: extent[1278657347584, 1265664] referencer count mismatch (root: 2192, owner: 301188, offset: 0) wanted: 2, have: 10 ERROR: extent[1278674927616, 1822720] referencer count mismatch (root: 2192, owner: 301203, offset: 0) wanted: 9, have: 14 ERROR: extent[1278685224960, 1097728] referencer count mismatch (root: 2192, owner: 301208, offset: 0) wanted: 5, have: 9 ERROR: extent[1278730657792, 2580480] referencer count mismatch (root: 2192, owner: 301243, offset: 0) wanted: 15, have: 20 ERROR: extent[1278749044736, 3244032] referencer count mismatch (root: 2192, owner: 301256, offset: 0) wanted: 4, have: 25 ERROR: extent[1278770667520, 2633728] referencer count mismatch (root: 2192, owner: 301267, offset: 0) wanted: 3, have: 21 ERROR: extent[1278789185536, 364544] referencer count mismatch (root: 2192, owner: 301280, offset: 0) wanted: 1, have: 3 ERROR: extent[1279092916224, 1806336] referencer count mismatch (root: 2192, owner: 302234, offset: 0) wanted: 9, have: 14 ERROR: extent[1279329845248, 2109440] referencer count mismatch (root: 2192, owner: 302421, offset: 0) wanted: 10, have: 17 ERROR: extent[1279415287808, 1380352] referencer count mismatch (root: 2192, owner: 302465, offset: 0) wanted: 10, have: 11 ERROR: extent[1279732752384, 286720] referencer count mismatch (root: 2192, owner: 302526, offset: 0) wanted: 1, have: 3 ERROR: extent[1282148016128, 262144] referencer count mismatch (root: 2192, owner: 305352, offset: 0) wanted: 1, have: 2 ERROR: extent[1282167455744, 512000] referencer count mismatch (root: 2192, owner: 305401, offset: 0) wanted: 1, have: 4 ERROR: extent[1282197204992, 401408] referencer count mismatch (root: 2192, owner: 305500, offset: 0) wanted: 3, have: 4 ERROR: extent[1282218409984, 479232] referencer count mismatch (root: 2192, owner: 305576, offset: 0) wanted: 1, have: 4 ERROR: extent[1282224476160, 446464] referencer count mismatch (root: 2192, owner: 305590, offset: 0) wanted: 1, have: 4 ERROR: extent[1282228514816, 348160] referencer count mismatch (root: 2192, owner: 305606, offset: 0) wanted: 2, have: 3 ERROR: extent[1282247221248, 397312] referencer count mismatch (root: 2192, owner: 305652, offset: 0) wanted: 2, have: 4 ERROR: extent[1282264170496, 16564224] referencer count mismatch (root: 2192, owner: 305700, offset: 0) wanted: 103, have: 127 ERROR: extent[1282293092352, 33533952] referencer count mismatch (root: 2192, owner: 305712, offset: 0) wanted: 134, have: 256 ERROR: extent[1282355109888, 14557184] referencer count mismatch (root: 2192, owner: 305747, offset: 0) wanted: 78, have: 112 ERROR: extent[1282395701248, 36519936] referencer count mismatch (root: 2192, owner: 305768, offset: 0) wanted: 202, have: 279 ERROR: extent[1282460270592, 18821120] referencer count mismatch (root: 2192, owner: 305801, offset: 0) wanted: 79, have: 144 ERROR: extent[1282479751168, 44199936] referencer count mismatch (root: 2192, owner: 305787, offset: 0) wanted: 315, have: 338 ERROR: extent[1282537447424, 4571136] referencer count mismatch (root: 2192, owner: 305803, offset: 0) wanted: 7, have: 35 ERROR: extent[1282574532608, 1294336] referencer count mismatch (root: 2192, owner: 305825, offset: 0) wanted: 9, have: 10 ERROR: extent[1282636775424, 24395776] referencer count mismatch (root: 2192, owner: 306200, offset: 0) wanted: 88, have: 187 ERROR: extent[1282663895040, 29925376] referencer count mismatch (root: 2192, owner: 306211, offset: 0) wanted: 107, have: 229 ERROR: extent[1282727006208, 1732608] referencer count mismatch (root: 2192, owner: 306284, offset: 0) wanted: 4, have: 14 ERROR: extent[1283804733440, 2121728] referencer count mismatch (root: 2192, owner: 307509, offset: 0) wanted: 7, have: 17 ERROR: extent[1285734670336, 1257472] referencer count mismatch (root: 2192, owner: 309442, offset: 0) wanted: 4, have: 10 ERROR: extent[1285748789248, 1019904] referencer count mismatch (root: 2192, owner: 309453, offset: 0) wanted: 3, have: 8 ERROR: extent[1285771227136, 1200128] referencer count mismatch (root: 2192, owner: 309482, offset: 0) wanted: 3, have: 10 ERROR: extent[1285781032960, 1413120] referencer count mismatch (root: 2192, owner: 309491, offset: 0) wanted: 3, have: 11 ERROR: extent[1285794684928, 1384448] referencer count mismatch (root: 2192, owner: 309511, offset: 0) wanted: 10, have: 11 ERROR: extent[1285803339776, 35004416] referencer count mismatch (root: 2192, owner: 309519, offset: 0) wanted: 103, have: 268 ERROR: extent[1285898678272, 74964992] referencer count mismatch (root: 2192, owner: 309539, offset: 0) wanted: 553, have: 572 ERROR: extent[1286063390720, 901120] referencer count mismatch (root: 2192, owner: 309818, offset: 0) wanted: 2, have: 7 ERROR: extent[1286080565248, 581632] referencer count mismatch (root: 2192, owner: 309832, offset: 0) wanted: 2, have: 5 ERROR: extent[1286091714560, 55832576] referencer count mismatch (root: 2192, owner: 309846, offset: 0) wanted: 421, have: 426 ERROR: extent[1286224744448, 1101824] referencer count mismatch (root: 2192, owner: 309914, offset: 0) wanted: 1, have: 9 ERROR: extent[1286245924864, 46239744] referencer count mismatch (root: 2192, owner: 309950, offset: 0) wanted: 208, have: 353 ERROR: extent[1286345191424, 61583360] referencer count mismatch (root: 2192, owner: 310410, offset: 0) wanted: 467, have: 470 ERROR: extent[1286411018240, 946176] referencer count mismatch (root: 2192, owner: 310415, offset: 0) wanted: 3, have: 8 ERROR: extent[1286445035520, 1765376] referencer count mismatch (root: 2192, owner: 310447, offset: 0) wanted: 12, have: 14 ERROR: extent[1286493294592, 1101824] referencer count mismatch (root: 2192, owner: 310497, offset: 0) wanted: 7, have: 9 ERROR: extent[1286503321600, 1622016] referencer count mismatch (root: 2192, owner: 310505, offset: 0) wanted: 4, have: 13 ERROR: extent[1286561673216, 1445888] referencer count mismatch (root: 2192, owner: 310586, offset: 0) wanted: 5, have: 12 ERROR: extent[1286589431808, 1449984] referencer count mismatch (root: 2192, owner: 310602, offset: 0) wanted: 2, have: 12 ERROR: extent[1286600970240, 1220608] referencer count mismatch (root: 2192, owner: 310616, offset: 0) wanted: 1, have: 10 ERROR: extent[1286639788032, 1437696] referencer count mismatch (root: 2192, owner: 310651, offset: 0) wanted: 1, have: 11 ERROR: extent[1286727856128, 1028096] referencer count mismatch (root: 2192, owner: 310773, offset: 0) wanted: 5, have: 8 ERROR: extent[1286823809024, 1056768] referencer count mismatch (root: 2192, owner: 310818, offset: 0) wanted: 3, have: 9 ERROR: extent[1286846889984, 60305408] referencer count mismatch (root: 2192, owner: 310860, offset: 0) wanted: 163, have: 461 ERROR: extent[1286965108736, 12251136] referencer count mismatch (root: 2192, owner: 310890, offset: 0) wanted: 52, have: 94 ERROR: extent[1286995849216, 37302272] referencer count mismatch (root: 2192, owner: 310896, offset: 0) wanted: 267, have: 285 ERROR: extent[1287054004224, 59039744] referencer count mismatch (root: 2192, owner: 310921, offset: 0) wanted: 291, have: 451 ERROR: extent[1287136403456, 2404352] referencer count mismatch (root: 2192, owner: 310936, offset: 0) wanted: 3, have: 19 ERROR: extent[1287167025152, 700416] referencer count mismatch (root: 2192, owner: 310973, offset: 0) wanted: 5, have: 6 ERROR: extent[1287178797056, 831488] referencer count mismatch (root: 2192, owner: 310993, offset: 0) wanted: 4, have: 7 ERROR: extent[1287217319936, 610304] referencer count mismatch (root: 2192, owner: 308913, offset: 0) wanted: 3, have: 5 ERROR: extent[1287247785984, 819200] referencer count mismatch (root: 2192, owner: 309283, offset: 0) wanted: 4, have: 7 ERROR: extent[1287278882816, 671744] referencer count mismatch (root: 2192, owner: 309344, offset: 0) wanted: 3, have: 6 ERROR: extent[1288091054080, 524288] referencer count mismatch (root: 2192, owner: 312832, offset: 0) wanted: 1, have: 4 ERROR: extent[1288558190592, 134217728] referencer count mismatch (root: 2192, owner: 313603, offset: 0) wanted: 979, have: 1024 ERROR: extent[1288755884032, 1441792] referencer count mismatch (root: 2192, owner: 313655, offset: 0) wanted: 4, have: 11 ERROR: extent[1289352884224, 1601536] referencer count mismatch (root: 2192, owner: 313787, offset: 0) wanted: 2, have: 13 ERROR: extent[1289358970880, 134217728] referencer count mismatch (root: 2192, owner: 313792, offset: 0) wanted: 886, have: 1024 ERROR: extent[1289960189952, 1089536] referencer count mismatch (root: 2192, owner: 313879, offset: 0) wanted: 3, have: 9 ERROR: extent[1290752475136, 2215936] referencer count mismatch (root: 2192, owner: 313932, offset: 0) wanted: 4, have: 17 ERROR: extent[1290786590720, 1318912] referencer count mismatch (root: 2192, owner: 313959, offset: 0) wanted: 2, have: 11 ERROR: extent[1290945564672, 1662976] referencer count mismatch (root: 2192, owner: 314025, offset: 0) wanted: 6, have: 13 ERROR: extent[1291138732032, 593920] referencer count mismatch (root: 2192, owner: 315673, offset: 0) wanted: 1, have: 5 ERROR: extent[1291221585920, 1675264] referencer count mismatch (root: 2192, owner: 315837, offset: 0) wanted: 9, have: 13 ERROR: extent[1291272941568, 1454080] referencer count mismatch (root: 2192, owner: 315873, offset: 0) wanted: 8, have: 12 ERROR: extent[1291338227712, 2686976] referencer count mismatch (root: 2192, owner: 315984, offset: 0) wanted: 5, have: 21 ERROR: extent[1291353747456, 2375680] referencer count mismatch (root: 2192, owner: 315990, offset: 0) wanted: 8, have: 19 ERROR: extent[1291470073856, 389120] referencer count mismatch (root: 2192, owner: 316139, offset: 0) wanted: 2, have: 3 ERROR: extent[1291477278720, 2109440] referencer count mismatch (root: 2192, owner: 316456, offset: 0) wanted: 13, have: 17 ERROR: extent[1291489882112, 134217728] referencer count mismatch (root: 2192, owner: 316466, offset: 0) wanted: 969, have: 1024 ERROR: extent[1291647651840, 2347008] referencer count mismatch (root: 2192, owner: 316490, offset: 0) wanted: 11, have: 18 ERROR: extent[1291662057472, 2035712] referencer count mismatch (root: 2192, owner: 316499, offset: 0) wanted: 13, have: 16 ERROR: extent[1292130070528, 1155072] referencer count mismatch (root: 2192, owner: 316627, offset: 0) wanted: 5, have: 9 ERROR: extent[1292336484352, 360448] referencer count mismatch (root: 2192, owner: 316719, offset: 0) wanted: 1, have: 3 ERROR: extent[1292668243968, 1474560] referencer count mismatch (root: 2192, owner: 316952, offset: 0) wanted: 4, have: 12 ERROR: extent[1292695543808, 1359872] referencer count mismatch (root: 2192, owner: 316976, offset: 0) wanted: 10, have: 11 ERROR: extent[1292714188800, 1687552] referencer count mismatch (root: 2192, owner: 316988, offset: 0) wanted: 2, have: 13 ERROR: extent[1292765691904, 1769472] referencer count mismatch (root: 2192, owner: 317017, offset: 0) wanted: 10, have: 14 ERROR: extent[1292781031424, 892928] referencer count mismatch (root: 2192, owner: 317032, offset: 0) wanted: 1, have: 7 ERROR: extent[1292795318272, 929792] referencer count mismatch (root: 2192, owner: 317041, offset: 0) wanted: 7, have: 8 ERROR: extent[1292812013568, 2830336] referencer count mismatch (root: 2192, owner: 317052, offset: 0) wanted: 11, have: 22 ERROR: extent[1292875067392, 1970176] referencer count mismatch (root: 2192, owner: 317098, offset: 0) wanted: 3, have: 16 ERROR: extent[1292889546752, 134217728] referencer count mismatch (root: 2192, owner: 317212, offset: 0) wanted: 856, have: 1024 ERROR: extent[1293217169408, 25329664] referencer count mismatch (root: 2192, owner: 317212, offset: 310116352) wanted: 59, have: 194 ERROR: extent[1293396553728, 2338816] referencer count mismatch (root: 2192, owner: 317168, offset: 0) wanted: 3, have: 18 ERROR: extent[1293473275904, 33972224] referencer count mismatch (root: 2192, owner: 317183, offset: 0) wanted: 230, have: 260 ERROR: extent[1293507248128, 134217728] referencer count mismatch (root: 2192, owner: 317186, offset: 0) wanted: 883, have: 1024 ERROR: extent[1294790914048, 1032192] referencer count mismatch (root: 2192, owner: 314542, offset: 0) wanted: 4, have: 8 ERROR: extent[1295180226560, 2105344] referencer count mismatch (root: 2192, owner: 314715, offset: 0) wanted: 3, have: 17 ERROR: extent[1295194308608, 1912832] referencer count mismatch (root: 2192, owner: 314732, offset: 0) wanted: 12, have: 15 ERROR: extent[1295208464384, 1626112] referencer count mismatch (root: 2192, owner: 314740, offset: 0) wanted: 3, have: 13 ERROR: extent[1295395008512, 68243456] referencer count mismatch (root: 2192, owner: 314787, offset: 0) wanted: 203, have: 521 ERROR: extent[1295463251968, 44236800] referencer count mismatch (root: 2192, owner: 314742, offset: 134217728) wanted: 294, have: 338 ERROR: extent[1295510691840, 1417216] referencer count mismatch (root: 2192, owner: 314797, offset: 0) wanted: 7, have: 11 ERROR: extent[1295590973440, 2424832] referencer count mismatch (root: 2192, owner: 314875, offset: 0) wanted: 5, have: 19 ERROR: extent[1295600427008, 82325504] referencer count mismatch (root: 2192, owner: 314890, offset: 0) wanted: 566, have: 629 ERROR: extent[1295719088128, 2453504] referencer count mismatch (root: 2192, owner: 314911, offset: 0) wanted: 11, have: 19 ERROR: extent[1295735943168, 134217728] referencer count mismatch (root: 2192, owner: 314922, offset: 0) wanted: 995, have: 1024 ERROR: extent[1296418197504, 585728] referencer count mismatch (root: 2192, owner: 314944, offset: 0) wanted: 3, have: 5 ERROR: extent[1296969801728, 68718592] referencer count mismatch (root: 2192, owner: 314933, offset: 0) wanted: 410, have: 525 ERROR: extent[1297821396992, 4706304] referencer count mismatch (root: 2192, owner: 315554, offset: 0) wanted: 3, have: 36 ERROR: extent[1297894973440, 507904] referencer count mismatch (root: 2192, owner: 317614, offset: 0) wanted: 1, have: 4 ERROR: extent[1297908019200, 2043904] referencer count mismatch (root: 2192, owner: 317628, offset: 0) wanted: 3, have: 16 ERROR: extent[1297939410944, 2150400] referencer count mismatch (root: 2192, owner: 317661, offset: 0) wanted: 16, have: 17 ERROR: extent[1298589421568, 2215936] referencer count mismatch (root: 2192, owner: 317759, offset: 0) wanted: 3, have: 17 ERROR: extent[1298620256256, 30285824] referencer count mismatch (root: 2192, owner: 317787, offset: 0) wanted: 127, have: 232 ERROR: extent[1298674737152, 27983872] referencer count mismatch (root: 2192, owner: 329099, offset: 0) wanted: 207, have: 214 ERROR: extent[1298702852096, 471040] referencer count mismatch (root: 2192, owner: 317815, offset: 0) wanted: 3, have: 4 ERROR: extent[1298703323136, 134217728] referencer count mismatch (root: 2192, owner: 329098, offset: 0) wanted: 844, have: 1024 ERROR: extent[1298845536256, 53420032] referencer count mismatch (root: 2192, owner: 317816, offset: 134217728) wanted: 310, have: 408 ERROR: extent[1298900983808, 10428416] referencer count mismatch (root: 2192, owner: 329096, offset: 0) wanted: 66, have: 80 ERROR: extent[1298900983808, 10428416] referencer count mismatch (root: 2192, owner: 317825, offset: 0) wanted: 51, have: 80 ERROR: extent[1298911412224, 36126720] referencer count mismatch (root: 2192, owner: 317826, offset: 0) wanted: 117, have: 276 ERROR: extent[1298911412224, 36126720] referencer count mismatch (root: 2192, owner: 329095, offset: 0) wanted: 137, have: 276 ERROR: extent[1298953486336, 90873856] referencer count mismatch (root: 2192, owner: 317843, offset: 0) wanted: 596, have: 694 ERROR: extent[1298953486336, 90873856] referencer count mismatch (root: 2192, owner: 329093, offset: 0) wanted: 521, have: 694 ERROR: extent[1299215028224, 2027520] referencer count mismatch (root: 2192, owner: 317878, offset: 0) wanted: 4, have: 16 ERROR: extent[1299275636736, 2654208] referencer count mismatch (root: 2192, owner: 317900, offset: 0) wanted: 5, have: 21 ERROR: extent[1299303247872, 4628480] referencer count mismatch (root: 2192, owner: 317931, offset: 0) wanted: 7, have: 36 ERROR: extent[1299368595456, 19660800] referencer count mismatch (root: 2192, owner: 317850, offset: 134217728) wanted: 88, have: 150 ERROR: extent[1299406565376, 888832] referencer count mismatch (root: 2192, owner: 317986, offset: 0) wanted: 6, have: 7 ERROR: extent[1299640987648, 2568192] referencer count mismatch (root: 2192, owner: 318047, offset: 0) wanted: 16, have: 20 ERROR: extent[1300195487744, 2138112] referencer count mismatch (root: 2192, owner: 318075, offset: 0) wanted: 5, have: 17 ERROR: extent[1300212133888, 27443200] referencer count mismatch (root: 2192, owner: 318089, offset: 0) wanted: 190, have: 210 ERROR: extent[1334735675392, 106651648] referencer count mismatch (root: 2192, owner: 329091, offset: 0) wanted: 593, have: 814 ERROR: extent[1334842327040, 103424000] referencer count mismatch (root: 2192, owner: 329089, offset: 0) wanted: 701, have: 790 ERROR: extent[1342594707456, 2465792] referencer count mismatch (root: 2192, owner: 328711, offset: 0) wanted: 18, have: 19 ERROR: extent[1386454097920, 1404928] referencer count mismatch (root: 2192, owner: 338307, offset: 0) wanted: 2, have: 10 ERROR: extent[1386556035072, 1564672] referencer count mismatch (root: 2192, owner: 338195, offset: 0) wanted: 5, have: 11 ERROR: extent[1386676543488, 1310720] referencer count mismatch (root: 2192, owner: 340273, offset: 0) wanted: 5, have: 9 ERROR: extent[1405711015936, 3756032] referencer count mismatch (root: 2192, owner: 354260, offset: 0) wanted: 2, have: 29 ERROR: extent[1406415671296, 1679360] referencer count mismatch (root: 2192, owner: 354255, offset: 0) wanted: 1, have: 13 ERROR: extent[1419697254400, 1732608] referencer count mismatch (root: 2192, owner: 327333, offset: 0) wanted: 8, have: 14 ERROR: extent[1419709677568, 1703936] referencer count mismatch (root: 2192, owner: 327635, offset: 0) wanted: 9, have: 13 ERROR: errors found in extent allocation tree or chunk allocation checking free space cache checking fs roots checking only csum items (without verifying data) checking root refs found 828150579200 bytes used, error(s) found total csum bytes: 803625824 total tree bytes: 5035229184 total fs tree bytes: 3999711232 total extent tree bytes: 179011584 btree space waste bytes: 781874592 file data blocks allocated: 20051143835648 referenced 3869872529408 [chris@f28s ~]$ [chris@f28s ~]$
