Hi, this is my first ever mail for a mailing list!! This is exciting!! Anyways, this is the scenario: I have four 1TB drives that I''ve strapped together with the help of btrfs using its built in RAID0. The second and third drives that I added and subsequently balanced it with: btrfs-vol -b /mnt/raid0 went smooth without any reported errors and the command returned cleanly. Now since I compiled the new btrfs-utils form get a couple days ago I noticed in the wiki there are command name changes so this time I used this: btrfs filesystem balance /mnt/raid0 and I can hear it doing stuff for a little while but then I get this message in the terminal: segmentation fault. After this parts of my system become un-usable, like many commands get stuck in the terminal not doing anything. However the drive seems to have been added and I have not sufferend data loss. df -h Filesystem Size Used Avail Use% Mounted on /dev/sdb 3.7T 1.7T 2.0T 46% /mnt/raid0 df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sdb 3907050336 1779276448 2127773888 46% /mnt/raid0 dmesg shows something about this thing: kernel BUG at fs/btrfs/extent-tree.c:2148! oh I almost forgot my kernel is 2.6.35. And the full dmesg output is below after the command I used. btrfs filesystem balance /mnt/raid0/ [10040.981444] btrfs: relocating block group 6230205857792 flags 12 [10197.411858] btrfs: found 22355 extents [10197.954791] btrfs: relocating block group 6226984632320 flags 9 [10198.501821] btrfs: relocating block group 6223763406848 flags 9 [10198.991431] btrfs: relocating block group 6220542181376 flags 9 [10199.522250] btrfs: relocating block group 6217320955904 flags 9 [10200.122756] btrfs: relocating block group 6214099730432 flags 9 [10200.641977] btrfs: relocating block group 6210878504960 flags 9 [10201.164459] btrfs: relocating block group 6207657279488 flags 9 [10201.662113] btrfs: relocating block group 6204436054016 flags 9 [10202.217882] btrfs: relocating block group 6201214828544 flags 9 [10202.757626] btrfs: relocating block group 6197993603072 flags 9 [10203.362371] btrfs: relocating block group 6194772377600 flags 9 [10203.868333] btrfs: relocating block group 6191551152128 flags 9 [10206.431497] btrfs: relocating block group 6188329926656 flags 9 [10207.094667] btrfs: relocating block group 6185108701184 flags 9 [10207.600651] btrfs: relocating block group 6181887475712 flags 9 [10208.355416] btrfs: relocating block group 6178666250240 flags 9 [10208.877984] btrfs: relocating block group 6175445024768 flags 9 [10209.582904] btrfs: relocating block group 6172223799296 flags 9 [10210.254746] btrfs: relocating block group 6169002573824 flags 9 [10210.843661] btrfs: relocating block group 6165781348352 flags 9 [10211.564444] btrfs: relocating block group 6162560122880 flags 9 [10212.162329] btrfs: relocating block group 6159338897408 flags 9 [10212.851535] btrfs: relocating block group 6156117671936 flags 9 [10213.445385] btrfs: relocating block group 6152896446464 flags 9 [10214.069966] btrfs: relocating block group 6149675220992 flags 9 [10214.756110] btrfs: relocating block group 6146453995520 flags 9 [10215.372133] btrfs: relocating block group 6143232770048 flags 9 [10215.911293] btrfs: relocating block group 6140011544576 flags 9 [10216.566483] btrfs: relocating block group 6136790319104 flags 9 [10217.205129] btrfs: relocating block group 6133569093632 flags 9 [10217.822784] btrfs: relocating block group 6130347868160 flags 9 [10218.416009] btrfs: relocating block group 6127126642688 flags 9 [10219.087872] btrfs: relocating block group 6123905417216 flags 9 [10219.734828] btrfs: relocating block group 6120684191744 flags 9 [10220.363728] btrfs: relocating block group 6117462966272 flags 9 [10220.987199] btrfs: relocating block group 6114241740800 flags 9 [10221.592132] btrfs: relocating block group 6111020515328 flags 9 [10222.264522] btrfs: relocating block group 6107799289856 flags 9 [10222.795290] btrfs: relocating block group 6104578064384 flags 9 [10223.450587] btrfs: relocating block group 6101356838912 flags 9 [10224.047699] btrfs: relocating block group 6098135613440 flags 9 [10224.586848] btrfs: relocating block group 6094914387968 flags 9 [10225.119203] btrfs: relocating block group 6091693162496 flags 9 [10225.706517] btrfs: relocating block group 6088471937024 flags 9 [10226.287043] btrfs: relocating block group 6085250711552 flags 9 [10226.834568] btrfs: relocating block group 6082029486080 flags 9 [10227.390150] btrfs: relocating block group 6078808260608 flags 9 [10227.954166] btrfs: relocating block group 6075587035136 flags 9 [10228.475583] btrfs: relocating block group 6072365809664 flags 9 [10229.148512] btrfs: relocating block group 6072097439744 flags 12 [10378.421912] btrfs: found 58060 extents [10378.954956] btrfs: relocating block group 6068876214272 flags 9 [10379.510704] btrfs: relocating block group 6065654988800 flags 9 [10380.008041] btrfs: found 16 extents [10382.000905] btrfs: found 16 extents [10382.364463] btrfs: relocating block group 6062433763328 flags 9 [10388.567461] btrfs: found 555 extents [10394.134759] btrfs: found 555 extents [10394.522857] btrfs: relocating block group 6059212537856 flags 9 [10429.490145] btrfs: found 1704 extents [10434.178702] btrfs: found 1704 extents [10434.495818] btrfs: relocating block group 6055991312384 flags 9 [10472.702014] btrfs: found 692 extents [10477.377791] btrfs: found 692 extents [10477.600609] btrfs: relocating block group 6052770086912 flags 9 [10516.320215] btrfs: found 95465 extents [10538.311122] btrfs: found 95465 extents [10539.486622] btrfs: relocating block group 6049548861440 flags 9 [10584.131239] btrfs: found 4442 extents [10606.305761] btrfs: found 4442 extents [10606.790892] btrfs: relocating block group 6046327635968 flags 9 [10608.367230] btrfs: found 461 extents [10612.213591] btrfs: found 461 extents [10612.520683] btrfs: relocating block group 6043106410496 flags 9 [10616.677808] btrfs: found 590 extents [10621.698849] btrfs: found 590 extents [10622.033443] btrfs: relocating block group 6039885185024 flags 9 [10667.703853] btrfs: found 4286 extents [10679.384468] btrfs: found 4286 extents [10679.686517] btrfs: relocating block group 6036663959552 flags 9 [10727.409438] btrfs: found 15100 extents [10745.491058] btrfs: found 15100 extents [10745.961203] btrfs: relocating block group 6033442734080 flags 9 [10789.147454] btrfs: found 10211 extents [10810.440277] btrfs: found 10211 extents [10810.917645] btrfs: relocating block group 6030221508608 flags 9 [10812.101431] btrfs: found 112 extents [10813.623103] btrfs: found 112 extents [10814.311143] btrfs: relocating block group 6027000283136 flags 9 [10814.914292] btrfs: found 2 extents [10816.264940] btrfs: found 2 extents [10816.969948] btrfs: relocating block group 6023779057664 flags 9 [10817.890739] btrfs: found 54 extents [10819.346472] btrfs: found 54 extents [10819.880014] btrfs: relocating block group 6020557832192 flags 9 [10840.525170] btrfs: found 18763 extents [10878.819886] btrfs: found 18763 extents [10879.247239] btrfs: relocating block group 6017336606720 flags 9 [10881.256958] btrfs: found 1775 extents [10884.949299] btrfs: found 1775 extents [10885.231395] btrfs: relocating block group 6014115381248 flags 9 [10925.898722] btrfs: found 6997 extents [10943.018433] btrfs: found 6997 extents [10943.295111] btrfs: relocating block group 6010894155776 flags 9 [10969.980614] btrfs: found 17724 extents [10998.682491] btrfs: found 17724 extents [10999.358091] btrfs: relocating block group 6007672930304 flags 9 [11053.457422] btrfs: found 19863 extents [11084.816220] btrfs: found 19863 extents [11085.427041] btrfs: relocating block group 6004451704832 flags 9 [11126.320232] btrfs: found 546 extents [11135.213641] btrfs: found 546 extents [11136.122515] btrfs: relocating block group 6001230479360 flags 9 [11143.530409] btrfs: found 638 extents [11148.216417] btrfs: found 638 extents [11148.513126] btrfs: relocating block group 5998009253888 flags 9 [11189.263630] btrfs: found 1164 extents [11193.289301] btrfs: found 1164 extents [11193.679025] btrfs: relocating block group 5994788028416 flags 9 [11234.698271] btrfs: found 1185 extents [11239.278542] btrfs: found 1185 extents [11239.636468] btrfs: relocating block group 5991566802944 flags 9 [11272.096041] btrfs: found 1218 extents [11277.962297] btrfs: found 1218 extents [11278.414520] btrfs: relocating block group 5988345577472 flags 9 [11312.147923] btrfs: found 43298 extents [11374.080658] btrfs: found 43298 extents [11375.239684] btrfs: relocating block group 5985124352000 flags 9 [11418.037575] btrfs: found 4046 extents [11429.936177] btrfs: found 4046 extents [11430.431828] btrfs: relocating block group 5981903126528 flags 9 [11473.153910] btrfs: found 5440 extents [11494.780298] btrfs: found 5440 extents [11495.364547] btrfs: relocating block group 5978681901056 flags 9 [11536.326923] btrfs: found 1641 extents [11542.306170] btrfs: found 1641 extents [11542.722631] btrfs: relocating block group 5975460675584 flags 9 [11587.907543] btrfs: found 21101 extents [11604.905517] btrfs: found 21101 extents [11605.405882] btrfs: relocating block group 5972239450112 flags 9 [11650.253623] btrfs: found 57768 extents [11679.796181] btrfs: found 57768 extents [11680.504099] btrfs: relocating block group 5969018224640 flags 9 [11722.321146] btrfs: found 1639 extents [11734.233418] btrfs: found 1639 extents [11734.681078] btrfs: relocating block group 5965796999168 flags 9 [11738.461541] btrfs: found 430 extents [11742.285240] btrfs: found 430 extents [11742.787473] btrfs: relocating block group 5965528629248 flags 12 [11840.558670] btrfs: found 56833 extents [11841.182185] btrfs: relocating block group 5962307403776 flags 9 [11868.792717] btrfs: found 43165 extents [11876.958612] btrfs: found 43165 extents [11877.624135] btrfs: relocating block group 5959086178304 flags 9 [11913.389672] btrfs: found 20783 extents [11917.406456] btrfs: found 20783 extents [11917.941681] btrfs: relocating block group 5955864952832 flags 9 [11956.186819] btrfs: found 22462 extents [11960.880475] btrfs: found 22462 extents [11961.437245] btrfs: relocating block group 5952643727360 flags 9 [12002.848985] btrfs: found 18419 extents [12008.651334] btrfs: found 18419 extents [12009.249375] btrfs: relocating block group 5949422501888 flags 9 [12048.222873] btrfs: found 1013 extents [12052.957227] btrfs: found 1013 extents [12053.348331] btrfs: relocating block group 5946201276416 flags 9 [12095.705613] btrfs: found 93 extents [12097.230580] btrfs: found 93 extents [12097.825115] btrfs: relocating block group 5942980050944 flags 9 [12133.416334] btrfs: found 750 extents [12140.963969] btrfs: found 750 extents [12141.336838] btrfs: relocating block group 5939758825472 flags 9 [12180.249850] btrfs: found 1439 extents [12187.169629] btrfs: found 1439 extents [12187.731441] btrfs: relocating block group 5936537600000 flags 9 [12227.069532] btrfs: found 14970 extents [12234.031171] btrfs: found 14970 extents [12234.594967] btrfs: relocating block group 5933316374528 flags 9 [12274.948019] btrfs: found 2434 extents [12283.087421] btrfs: found 2434 extents [12283.715651] btrfs: relocating block group 5930095149056 flags 9 [12323.410693] btrfs: found 429 extents [12329.658284] btrfs: found 429 extents [12330.302901] btrfs: relocating block group 5926873923584 flags 9 [12368.084618] btrfs: found 198 extents [12373.664629] btrfs: found 198 extents [12374.360688] btrfs: relocating block group 5923652698112 flags 9 [12413.531706] btrfs: found 618 extents [12422.345080] btrfs: found 618 extents [12422.849491] btrfs: relocating block group 5920431472640 flags 9 [12468.831732] btrfs: found 270 extents [12476.321410] btrfs: found 270 extents [12476.683896] btrfs: relocating block group 5917210247168 flags 9 [12514.795819] btrfs: found 5815 extents [12529.226993] btrfs: found 5815 extents [12529.531463] btrfs: relocating block group 5913989021696 flags 9 [12574.788110] btrfs: found 8603 extents [12585.370183] btrfs: found 8603 extents [12585.731601] btrfs: relocating block group 5910767796224 flags 9 [12622.470452] btrfs: found 2935 extents [12627.871397] btrfs: found 2935 extents [12628.386931] btrfs: relocating block group 5907546570752 flags 9 [12681.121118] btrfs: found 29 extents [12688.976480] btrfs: found 29 extents [12689.241495] btrfs: relocating block group 5904325345280 flags 9 [12738.811870] btrfs: found 6445 extents [12750.990157] btrfs: found 6445 extents [12751.604009] btrfs: relocating block group 5901104119808 flags 9 [12796.993292] btrfs: found 8926 extents [12808.840737] btrfs: found 8926 extents [12809.165261] btrfs: relocating block group 5897882894336 flags 9 [12847.379636] btrfs: found 1899 extents [12852.529066] btrfs: found 1899 extents [12852.764982] btrfs: relocating block group 5894661668864 flags 9 [12894.234880] btrfs: found 339 extents [12898.958451] btrfs: found 339 extents [12899.430774] btrfs: relocating block group 5891440443392 flags 9 [12945.157709] btrfs: found 146 extents [12950.052557] btrfs: found 146 extents [12950.410805] btrfs: relocating block group 5888219217920 flags 9 [12991.131446] btrfs: found 1825 extents [12999.021408] btrfs: found 1825 extents [12999.477186] btrfs: relocating block group 5884997992448 flags 9 [13042.953967] btrfs: found 63 extents [13047.568764] btrfs: found 63 extents [13047.996417] btrfs: relocating block group 5881776766976 flags 9 [13086.094860] btrfs: found 2891 exten: found 2891 extents [13094.685677] btrfs: relocating block group 5878555541504 flags 9 [13147.274834] btrfs: found 22568 extents [13156.941555] btrfs: found 22568 extents [13157.502166] btrfs: relocating block group 5875334316032 flags 9 [13180.044370] btrfs: found 2646 extents [13187.010683] btrfs: found 2646 extents [13187.479147] btrfs: relocating block group 5872113090560 flags 9 [13239.644816] btrfs: found 7304 extents [13250.968423] btrfs: found 7304 extents [13251.576033] btrfs: relocating block group 5868891865088 flags 9 [13298.742192] btrfs: found 2618 extents [13320.724640] btrfs: found 2618 extents [13321.373916] btrfs: relocating block group 5865670639616 flags 9 [13358.940277] btrfs: found 3905 extents [13369.211498] btrfs: found 3905 extents [13369.591878] btrfs: relocating block group 5862449414144 flags 9 [13413.215252] btrfs: found 292 extents [13420.033731] btrfs: found 292 extents [13420.598294] btrfs: relocating block group 5859228188672 flags 9 [13460.639477] btrfs: found 60 extents [13466.851411] btrfs: found 60 extents [13467.344302] btrfs: relocating block group 5856006963200 flags 9 [13505.725792] btrfs: found 91 extents [13511.199472] btrfs: found 91 extents [13511.607883] btrfs: relocating block group 5852785737728 flags 9 [13554.171165] btrfs: found 2553 extents [13563.676945] btrfs: found 2553 extents [13564.164240] btrfs: relocating block group 5849564512256 flags 9 [13622.953579] btrfs: found 9085 extents [13641.106741] btrfs: found 9085 extents [13641.747013] btrfs: relocating block group 5846343286784 flags 9 [13687.099538] btrfs: found 2864 extents [13703.909254] btrfs: found 2864 extents [13705.189821] btrfs: relocating block group 5843122061312 flags 9 [13752.695044] btrfs: found 2864 extents [13769.695326] btrfs: found 2864 extents [13770.344572] btrfs: relocating block group 5839900835840 flags 9 [13814.835965] btrfs: found 969 extents [13825.579251] btrfs: found 969 extents [13826.330953] btrfs: relocating block group 5836679610368 flags 9 [13867.297913] btrfs: found 4687 extents [13877.952198] btrfs: found 4687 extents [13878.726964] btrfs: relocating block group 5833458384896 flags 9 [13923.700494] btrfs: found 162 extents [13932.631643] btrfs: found 162 extents [13933.047776] btrfs: relocating block group 5830237159424 flags 9 [14031.064601] btrfs: found 94 extents [14036.209560] btrfs: found 94 extents [14036.524396] btrfs: relocating block group 5827015933952 flags 9 [14079.564431] btrfs: found 365 extents [14087.563858] btrfs: found 365 extents [14087.807027] btrfs: relocating block group 5823794708480 flags 9 [14136.718488] btrfs: found 2343 extents [14150.042976] btrfs: found 2343 extents [14150.726978] btrfs: relocating block group 5820573483008 flags 9 [14194.222367] btrfs: found 297 extents [14202.876128] btrfs: found 297 extents [14203.351768] btrfs: relocating block group 5817352257536 flags 9 [14257.191438] btrfs: found 657 extents [14263.885962] btrfs: found 657 extents [14264.065707] btrfs: relocating block group 5814131032064 flags 9 [14314.393110] btrfs: found 4835 extents [14322.539940] btrfs: found 4835 extents [14322.769534] btrfs: relocating block group 5810909806592 flags 9 [14378.597203] btrfs: found 15580 extents [14389.090886] btrfs: found 15580 extents [14389.462655] btrfs: relocating block group 5807688581120 flags 9 [14438.366646] btrfs: found 320 extents [14443.059071] btrfs: found 320 extents [14443.254484] btrfs: relocating block group 5804467355648 flags 9 [14480.041583] btrfs: found 667 extents [14484.055491] btrfs: found 667 extents [14484.237857] btrfs: relocating block group 5801246130176 flags 9 [14522.183243] btrfs: found 3110 extents [14531.338003] btrfs: found 3110 extents [14531.602133] btrfs: relocating block group 5798024904704 flags 9 [14573.600709] btrfs: found 3693 extents [14580.628735] btrfs: found 3693 extents [14580.886173] btrfs: relocating block group 5794803679232 flags 9 [14617.423704] btrfs: found 3752 extents [14623.361683] btrfs: found 3752 extents [14623.649284] btrfs: relocating block group 5791582453760 flags 9 [14660.70 group 5752927748096 flags 9 [15348.853814] btrfs: found 48466 extents [15372.164966] btrfs: found 48466 extents [15373.366265] btrfs: relocating block group 5752659378176 flags 12 [15506.503573] btrfs: found 61528 extents [15506.858843] btrfs: relocating block group 5749438152704 flags 9 [15566.118866] btrfs: found 35948 extents [15582.425850] btrfs: found 35948 extents [15583.020391] btrfs: relocating block group 5749169782784 flags 12 [15660.238681] btrfs: found 61746 extents [15660.919927] btrfs: relocating block group 5748901412864 flags 12 [15790.565276] btrfs: found 61290 extents [15791.138295] btrfs: relocating block group 5745680187392 flags 9 [15853.725805] btrfs: found 41636 extents [15876.684424] btrfs: found 41636 extents [15877.469942] btrfs: relocating block group 5742458961920 flags 9 [15940.432985] btrfs: found 10069 extents [15948.403268] btrfs: found 10069 extents [15948.772912] btrfs: relocating block group 5739237736448 flags 9 [16048.392521] btrfs: found 29968 extents [16061.695657] btrfs: found 29968 extents [16062.382222] btrfs: relocating block group 5736016510976 flags 9 [16113.827645] btrfs: found 38182 extents [16124.541791] btrfs: found 38182 extents [16125.176750] btrfs: relocating block group 5732795285504 flags 9 [16160.841772] btrfs: found 21009 extents [16167.214309] btrfs: found 21009 extents [16167.645556] btrfs: relocating block group 5729574060032 flags 9 [16203.050083] btrfs: found 22310 extents [16212.487034] btrfs: found 22310 extents [16213.055410] btrfs: relocating block group 5726352834560 flags 9 [16247.748032] btrfs: found 7775 extents [16254.895423] btrfs: found 7775 extents [16255.271097] btrfs: relocating block group 5723131609088 flags 9 [16295.130334] btrfs: found 10892 extents [16302.100080] btrfs: found 10892 extents [16303.569600] btrfs: relocating block group 5719910383616 flags 9 [16337.254957] btrfs: found 6167 extents [16344.357233] btrfs: found 6167 extents [16344.681886] btrfs: relocating block group 5716689158144 flags 9 [16377.863245] btrfs: found 9190 extents [16391.326852] btrfs: found 9190 extents [16391.724712] btrfs: relocating block group 5713467932672 flags 9 [16444.137916] btrfs: found 19036 extents [16473.166632] btrfs: found 19036 extents [16473.974903] btrfs: relocating block group 5710246707200 flags 9 [16508.319974] btrfs: found 7719 extents [16514.546926] btrfs: found 7719 extents [16515.014290] btrfs: relocating block group 5707025481728 flags 9 [16548.919245] btrfs: found 3919 extents [16555.064691] btrfs: found 3919 extents [16555.352208] btrfs: relocating block group 5703804256256 flags 9 [16595.080692] btrfs: found 8714 extents [16606.610425] btrfs: found 8714 extents [16606.960952] btrfs: relocating block group 5700583030784 flags 9 [16640.974505] btrfs: found 573 extents [16645.750890] btrfs: found 573 extents [16646.139641] btrfs: relocating block group 5697361805312 flags 9 [16681.009859] btrfs: found 4781 extents [16687.059858] btrfs: found 4781 extents [16687.599993] btrfs: relocating block group 5697093435392 flags 12 [16781.978590] btrfs: found 60820 extents [16782.255155] btrfs: relocating block group 5693872209920 flags 9 [16821.444228] btrfs: found 5823 extents [16827.092512] btrfs: found 5823 extents [16827.420657] btrfs: relocating block group 5690650984448 flags 9 [16860.044636] btrfs: found 4942 extents [16865.510838] btrfs: found 4942 extents [16865.881582] btrfs: relocating block group 5690382614528 flags 12 [17017.273257] btrfs: found 52120 extents [17017.768740] btrfs: relocating block group 5687161389056 flags 9 [17053.701817] btrfs: found 2787 extents [17064.291512] btrfs: found 2787 extents [17064.547360] btrfs: relocating block group 5686893019136 flags 12 [17117.101967] leaf 5513411411968 total ptrs 42 free space 470 [17117.101972] item 0 key (5687045914624 a8 4096) itemoff 3935 itemsize 60 [17117.101975] extent refs 2 gen 774097 flags 2 [17117.101977] tree block key (1316294 1 0) level 0 [17117.101979] shared block backref parent 5643272757248 [17117.101980] shared block backref parent 5512908656640 [17117.1l 0 [17117.102114] shared block backref parent 5641845055488 [17117.102116] shared block backref parent 5513427140608 [17117.102118] item 17 key (5687045980160 a8 4096) itemoff 2915 itemsize 51 [17117.102120] extent refs 1 gen 802517 flags 2 [17117.102121] tree block key (18446744073709551606 80 5432148566016) level 0 [17117.102123] tree block backref root 7 [17117.102125] item 18 key (5687045984256 a8 4096) itemoff 2855 itemsize 60 [17117.102127] extent refs 2 gen 802517 flags 2 [17117.102128] tree block key (2231429 1 0) level 0 [17117.102130] shared block backref parent 5687028011008 [17117.102131] shared block backref parent 5513494880256 [17117.102133] item 19 key (5687045988352 a8 4096) itemoff 2804 itemsize 51 [17117.102135] extent refs 1 gen 774056 flags 2 [17117.102137] tree block key (4483941728256 a8 4096) level 0 [17117.102138] tree block backref root 2 [17117.102140] item 20 key (5687045992448 a8 4096) itemoff 2744 itemsize 60 [17117.102142] extent refs 2 gen 773054 flags 2 [17117.102143] tree block key (839465 60 401) level 0 [17117.102145] shared block backref parent 5641683312640 [17117.102146] shared block backref parent 5513371439104 [17117.102148] item 21 key (5687045996544 a8 4096) itemoff 2684 itemsize 60 [17117.102150] extent refs 2 gen 774097 flags 2 [17117.102151] tree block key (1325036 1 0) level 0 [17117.102153] shared block backref parent 5487845535744 [17117.102154] shared block backref parent 4483077029888 [17117.102156] item 22 key (5687046000640 a8 4096) itemoff 2624 itemsize 60 [17117.102158] extent refs 2 gen 802517 flags 2 [17117.102160] tree block key (2231428 6c 0) level 0 [17117.102161] shared block backref parent 5687028011008 [17117.102163] shared block backref parent 5513494880256 [17117.102164] item 23 key (5687046004736 a8 4096) itemoff 2573 itemsize 51 [17117.102166] extent refs 1 gen 802519 flags 2 [17117.102168] tree block key (2234263 c 2233723) level 0 [17117.102169] tree block backref root 5 [17117.102171] item 24 key (5687046008832 a8 4096) itemoff 2513 itemsize 60 [17117.102173] extent refs 2 gen 772435 flags 2 [17117.102175] tree block key (990800 1 0) level 0 [17117.102176] shared block backref parent 5643047448576 [17117.102177] shared block backref parent 5513496764416 [17117.102179] item 25 key (5687046017024 a8 4096) itemoff 2462 itemsize 51 [17117.102181] extent refs 1 gen 802517 flags 2 [17117.102183] tree block key (5430686355456 a8 4096) level 0 [17117.102184] tree block backref root 2 [17117.102186] item 26 key (5687046021120 a8 4096) itemoff 2402 itemsize 60 [17117.102188] extent refs 2 gen 773032 flags 2 [17117.102189] tree block key (841818 60 308) level 0 [17117.102191] shared block backref parent 5513411293184 [17117.102192] shared block backref parent 4483207266304 [17117.102194] item 27 key (5687046025216 a8 4096) itemoff 2342 itemsize 60 [17117.102196] extent refs 2 gen 774094 flags 2 [17117.102198] tree block key (1342959 1 0) level 0 [17117.102199] shared block backref parent 5512685510656 [17117.102201] shared block backref parent 4482994823168 [17117.102203] item 28 key (5687046029312 a8 4096) itemoff 2282 itemsize 60 [17117.102204] extent refs 2 gen 774097 flags 2 [17117.102206] tree block key (1324995 c 839006) level 0 [17117.102207] shared block backref parent 5487845535744 [17117.102209] shared block backref parent 4483077029888 [17117.102211] item 29 key (5687046033408 a8 4096) itemoff 2222 itemsize 60 [17117.102213] extent refs 2 gen 774094 flags 2 [17117.102215] tree block key (1343598 18 3198782427) level 0 [17117.102216] shared block backref parent 5512685510656 [17117.102217] shared block backref parent 4482994823168 [17117.102219] item 30 key (5687046037504 a8 4096) itemoff 2162 itemsize 60 [17117.102221] extent refs 2 gen 802517 flags 2 [17117.102223] tree block key (2231438 1 0) level 0 [17117.102224] shared block backref parent 5687028011008 [17117.102226] shared block backref parent 5513494880256 [17117.102228] i.102546] [<ffffffff8103d131>] ? get_parent_ip+0x11/0x50 [17117.102551] [<ffffffff8103d131>] ? get_parent_ip+0x11/0x50 [17117.102557] [<ffffffff81202672>] run_clustered_refs+0x4d2/0x7f0 [17117.102563] [<ffffffff81202a50>] btrfs_run_delayed_refs+0xc0/0x210 [17117.102569] [<ffffffff81213647>] __btrfs_end_transaction+0x67/0x220 [17117.102575] [<ffffffff811fedd6>] ? btrfs_block_rsv_check+0x86/0x170 [17117.102580] [<ffffffff8121380e>] btrfs_end_transaction_throttle+0xe/0x10 [17117.102586] [<ffffffff8125585c>] relocate_block_group+0x3dc/0x5c0 [17117.102592] [<ffffffff81255b18>] btrfs_relocate_block_group+0xd8/0x270 [17117.102598] [<ffffffff812380e3>] btrfs_relocate_chunk+0x83/0x620 [17117.102603] [<ffffffff81236328>] ? map_extent_buffer+0xd8/0xf0 [17117.102608] [<ffffffff8103d915>] ? sub_preempt_count+0x95/0xd0 [17117.102613] [<ffffffff81233d3e>] ? unmap_extent_buffer+0xe/0x40 [17117.102618] [<ffffffff812247ac>] ? btrfs_item_offset+0xdc/0xf0 [17117.102624] [<ffffffff81238f73>] btrfs_balance+0x203/0x280 [17117.102630] [<ffffffff8110aa8c>] ? path_put+0x2c/0x40 [17117.102635] [<ffffffff812412d0>] btrfs_ioctl+0x300/0x980 [17117.102639] [<ffffffff8103d131>] ? get_parent_ip+0x11/0x50 [17117.102644] [<ffffffff8103d915>] ? sub_preempt_count+0x95/0xd0 [17117.102651] [<ffffffff814827b5>] ? _raw_spin_unlock+0x15/0x40 [17117.102656] [<ffffffff8110f938>] vfs_ioctl+0x38/0xd0 [17117.102661] [<ffffffff8110ff00>] do_vfs_ioctl+0x80/0x520 [17117.102667] [<ffffffff81110419>] sys_ioctl+0x79/0x90 [17117.102673] [<ffffffff81002e82>] system_call_fastpath+0x16/0x1b [17117.102677] ---[ end trace 6a6f5b9ed6855ece ]--- [17117.102681] btrfs unable to find ref byte nr 5687045951488 parent 0 root 5 owner 0 offset 0 [17117.102696] ------------[ cut here ]------------ [17117.102700] kernel BUG at fs/btrfs/extent-tree.c:2148! [17117.102704] invalid opcode: 0000 [#1] PREEMPT SMP [17117.102711] last sysfs file: /sys/devices/pci0000:00/0000:00:05.2/host6/uevent [17117.102715] CPU 2 [17117.102718] Modules linked in: ntfs af_packet nfsd lockd auth_rpcgss sunrpc nvidia(P) agpgart ipv6 arc4 ecb zd1211rw mac80211 cfg80211 nvram ledtrig_gpio ledtrig_backlight ledtrig_default_on ledtrig_heartbeat ledtrig_timer cachefiles fscache configs configfs snd_hwdep snd_hrtimer snd_seq_midi snd_seq_midi_event snd_seq display lcd video output power_meter bridge stp llc tun adm1021 adm1025 hwmon_vid i2c_dev powernow_k8 mperf cpufreq_ondemand cpufreq_performance cpufreq_powersave cpufreq_stats cpufreq_conservative freq_table mce_inject snd_ice1712 snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_cs8427 snd_ac97_codec snd_pcm snd_timer snd_page_alloc ac97_bus snd_i2c snd_mpu401_uart snd_rawmidi snd_seq_device rtc_cmos rtc_core rtc_lib snd soundcore k10temp evdev processor fan thermal forcedeth thermal_sys i2c_nforce2 i2c_core asus_atk0110 hwmon unix [17117.102836] [17117.102840] Pid: 10828, comm: btrfs Tainted: P W 2.6.35-gentoo-r10 #6 M2N-SLI DELUXE/System Product Name [17117.102844] RIP: 0010:[<ffffffff8120267a>] [<ffffffff8120267a>] run_clustered_refs+0x4da/0x7f0 [17117.102851] RSP: 0018:ffff8801b3df1998 EFLAGS: 00010282 [17117.102854] RAX: 00000000fffffffe RBX: ffff8802143b4e40 RCX: ffff88019fd62cf0 [17117.102858] RDX: 0000000000000000 RSI: ffffea0005af6d70 RDI: 0000000000000206 [17117.102862] RBP: ffff8801b3df1a78 R08: ffff8801b3df1858 R09: 0000000000000000 [17117.102866] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [17117.102869] R13: ffff88020ca43c00 R14: ffff88023d357800 R15: ffff88023a40b280 [17117.102874] FS: 00007fd4ca00f740(0000) GS:ffff880001b00000(0000) knlGS:0000000000000000 [17117.102878] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [17117.102881] CR2: 00007fb967010000 CR3: 00000001b2d44000 CR4: 00000000000006e0 [17117.102885] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [17117.102889] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [17117.102893] Process btrfs (pid: 10828, threadinfo ffff8801b3df0000, task ffff8801e1e95e40) [17117.102897] Stack: [17117.102899] 00000000000000 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html