Hi, While originally debugging some tree mod log thing, I''m seeing space info warnings along the way, running cmason/master (f46dbe3de). I just drop them off, haven''t looked into it any deeper than "most likely not tree mod log related". -Jan <6>[ 1131.563658] device label quota devid 1 transid 4 /dev/sdi <6>[ 1131.565414] btrfs: disk space caching is enabled <4>[ 1139.488296] ------------[ cut here ]------------ <4>[ 1139.488315] WARNING: at fs/btrfs/inode.c:7123 btrfs_destroy_inode+0x260/0x2e0 [btrfs]() <4>[ 1139.488316] Hardware name: X8SIL <4>[ 1139.488317] Modules linked in: btrfs mpt2sas scsi_transport_sas raid_class <4>[ 1139.488324] Pid: 23192, comm: rm Not tainted 3.6.0+ #2 <4>[ 1139.488325] Call Trace: <4>[ 1139.488332] [<ffffffff8108743a>] warn_slowpath_common+0x7a/0xb0 <4>[ 1139.488336] [<ffffffff81087485>] warn_slowpath_null+0x15/0x20 <4>[ 1139.488348] [<ffffffffa0075eb0>] btrfs_destroy_inode+0x260/0x2e0 [btrfs] <4>[ 1139.488352] [<ffffffff811b4137>] destroy_inode+0x37/0x60 <4>[ 1139.488355] [<ffffffff811b426c>] evict+0x10c/0x190 <4>[ 1139.488358] [<ffffffff811b43fc>] iput+0x10c/0x200 <4>[ 1139.488361] [<ffffffff811a9cd7>] do_unlinkat+0x177/0x1c0 <4>[ 1139.488364] [<ffffffff810e324d>] ? trace_hardirqs_on_caller+0xfd/0x190 <4>[ 1139.488369] [<ffffffff8143727e>] ? trace_hardirqs_on_thunk+0x3a/0x3f <4>[ 1139.488372] [<ffffffff811a9e8d>] sys_unlinkat+0x1d/0x40 <4>[ 1139.488377] [<ffffffff8193f5a2>] system_call_fastpath+0x16/0x1b <4>[ 1139.488379] ---[ end trace 9b4fa8a702f2863b ]--- <4>[ 1141.218944] ------------[ cut here ]------------ <4>[ 1141.218974] WARNING: at fs/btrfs/extent-tree.c:4365 btrfs_free_block_groups+0x237/0x2e0 [btrfs]() <4>[ 1141.218977] Hardware name: X8SIL <4>[ 1141.218979] Modules linked in: btrfs mpt2sas scsi_transport_sas raid_class <4>[ 1141.218990] Pid: 23211, comm: umount Tainted: G W 3.6.0+ #2 <4>[ 1141.218991] Call Trace: <4>[ 1141.218999] [<ffffffff8108743a>] warn_slowpath_common+0x7a/0xb0 <4>[ 1141.219002] [<ffffffff81087485>] warn_slowpath_null+0x15/0x20 <4>[ 1141.219012] [<ffffffffa005f217>] btrfs_free_block_groups+0x237/0x2e0 [btrfs] <4>[ 1141.219024] [<ffffffffa006f792>] close_ctree+0x1c2/0x300 [btrfs] <4>[ 1141.219028] [<ffffffff811b4da4>] ? evict_inodes+0xf4/0x110 <4>[ 1141.219037] [<ffffffffa0047dd4>] btrfs_put_super+0x14/0x20 [btrfs] <4>[ 1141.219040] [<ffffffff8119be3d>] generic_shutdown_super+0x5d/0xf0 <4>[ 1141.219042] [<ffffffff8119bf61>] kill_anon_super+0x11/0x20 <4>[ 1141.219051] [<ffffffffa004b5c5>] btrfs_kill_super+0x15/0x90 [btrfs] <4>[ 1141.219054] [<ffffffff8119d36d>] ? deactivate_super+0x3d/0x60 <4>[ 1141.219057] [<ffffffff8119c455>] deactivate_locked_super+0x45/0x70 <4>[ 1141.219059] [<ffffffff8119d375>] deactivate_super+0x45/0x60 <4>[ 1141.219062] [<ffffffff811b7f5d>] mntput_no_expire+0xcd/0x130 <4>[ 1141.219065] [<ffffffff811b8b99>] sys_umount+0x79/0x3b0 <4>[ 1141.219068] [<ffffffff81938d8a>] ? retint_swapgs+0xe/0x13 <4>[ 1141.219072] [<ffffffff8193f5a2>] system_call_fastpath+0x16/0x1b <4>[ 1141.219074] ---[ end trace 9b4fa8a702f2863c ]--- <4>[ 1141.219075] ------------[ cut here ]------------ <4>[ 1141.219084] WARNING: at fs/btrfs/extent-tree.c:4366 btrfs_free_block_groups+0x2d1/0x2e0 [btrfs]() <4>[ 1141.219085] Hardware name: X8SIL <4>[ 1141.219086] Modules linked in: btrfs mpt2sas scsi_transport_sas raid_class <4>[ 1141.219090] Pid: 23211, comm: umount Tainted: G W 3.6.0+ #2 <4>[ 1141.219092] Call Trace: <4>[ 1141.219095] [<ffffffff8108743a>] warn_slowpath_common+0x7a/0xb0 <4>[ 1141.219098] [<ffffffff81087485>] warn_slowpath_null+0x15/0x20 <4>[ 1141.219108] [<ffffffffa005f2b1>] btrfs_free_block_groups+0x2d1/0x2e0 [btrfs] <4>[ 1141.219119] [<ffffffffa006f792>] close_ctree+0x1c2/0x300 [btrfs] <4>[ 1141.219122] [<ffffffff811b4da4>] ? evict_inodes+0xf4/0x110 <4>[ 1141.219131] [<ffffffffa0047dd4>] btrfs_put_super+0x14/0x20 [btrfs] <4>[ 1141.219134] [<ffffffff8119be3d>] generic_shutdown_super+0x5d/0xf0 <4>[ 1141.219136] [<ffffffff8119bf61>] kill_anon_super+0x11/0x20 <4>[ 1141.219145] [<ffffffffa004b5c5>] btrfs_kill_super+0x15/0x90 [btrfs] <4>[ 1141.219147] [<ffffffff8119d36d>] ? deactivate_super+0x3d/0x60 <4>[ 1141.219150] [<ffffffff8119c455>] deactivate_locked_super+0x45/0x70 <4>[ 1141.219153] [<ffffffff8119d375>] deactivate_super+0x45/0x60 <4>[ 1141.219155] [<ffffffff811b7f5d>] mntput_no_expire+0xcd/0x130 <4>[ 1141.219158] [<ffffffff811b8b99>] sys_umount+0x79/0x3b0 <4>[ 1141.219161] [<ffffffff81938d8a>] ? retint_swapgs+0xe/0x13 <4>[ 1141.219164] [<ffffffff8193f5a2>] system_call_fastpath+0x16/0x1b <4>[ 1141.219165] ---[ end trace 9b4fa8a702f2863d ]--- <4>[ 1141.219167] ------------[ cut here ]------------ <4>[ 1141.219175] WARNING: at fs/btrfs/extent-tree.c:7614 btrfs_free_block_groups+0x1eb/0x2e0 [btrfs]() <4>[ 1141.219176] Hardware name: X8SIL <4>[ 1141.219177] Modules linked in: btrfs mpt2sas scsi_transport_sas raid_class <4>[ 1141.219182] Pid: 23211, comm: umount Tainted: G W 3.6.0+ #2 <4>[ 1141.219183] Call Trace: <4>[ 1141.219186] [<ffffffff8108743a>] warn_slowpath_common+0x7a/0xb0 <4>[ 1141.219189] [<ffffffff81087485>] warn_slowpath_null+0x15/0x20 <4>[ 1141.219199] [<ffffffffa005f1cb>] btrfs_free_block_groups+0x1eb/0x2e0 [btrfs] <4>[ 1141.219210] [<ffffffffa006f792>] close_ctree+0x1c2/0x300 [btrfs] <4>[ 1141.219213] [<ffffffff811b4da4>] ? evict_inodes+0xf4/0x110 <4>[ 1141.219220] [<ffffffffa0047dd4>] btrfs_put_super+0x14/0x20 [btrfs] <4>[ 1141.219223] [<ffffffff8119be3d>] generic_shutdown_super+0x5d/0xf0 <4>[ 1141.219226] [<ffffffff8119bf61>] kill_anon_super+0x11/0x20 <4>[ 1141.219233] [<ffffffffa004b5c5>] btrfs_kill_super+0x15/0x90 [btrfs] <4>[ 1141.219236] [<ffffffff8119d36d>] ? deactivate_super+0x3d/0x60 <4>[ 1141.219239] [<ffffffff8119c455>] deactivate_locked_super+0x45/0x70 <4>[ 1141.219241] [<ffffffff8119d375>] deactivate_super+0x45/0x60 <4>[ 1141.219244] [<ffffffff811b7f5d>] mntput_no_expire+0xcd/0x130 <4>[ 1141.219246] [<ffffffff811b8b99>] sys_umount+0x79/0x3b0 <4>[ 1141.219249] [<ffffffff81938d8a>] ? retint_swapgs+0xe/0x13 <4>[ 1141.219252] [<ffffffff8193f5a2>] system_call_fastpath+0x16/0x1b <4>[ 1141.219254] ---[ end trace 9b4fa8a702f2863e ]--- <6>[ 1141.219256] space_info 1 has 1081606144 free, is not full <6>[ 1141.219258] space_info total=1082130432, used=524288, pinned=0, reserved=0, may_use=4096, readonly=0 <4>[ 1141.219260] ------------[ cut here ]------------ <4>[ 1141.219268] WARNING: at fs/btrfs/extent-tree.c:7614 btrfs_free_block_groups+0x1eb/0x2e0 [btrfs]() <4>[ 1141.219269] Hardware name: X8SIL <4>[ 1141.219270] Modules linked in: btrfs mpt2sas scsi_transport_sas raid_class <4>[ 1141.219275] Pid: 23211, comm: umount Tainted: G W 3.6.0+ #2 <4>[ 1141.219276] Call Trace: <4>[ 1141.219279] [<ffffffff8108743a>] warn_slowpath_common+0x7a/0xb0 <4>[ 1141.219282] [<ffffffff81087485>] warn_slowpath_null+0x15/0x20 <4>[ 1141.219292] [<ffffffffa005f1cb>] btrfs_free_block_groups+0x1eb/0x2e0 [btrfs] <4>[ 1141.219304] [<ffffffffa006f792>] close_ctree+0x1c2/0x300 [btrfs] <4>[ 1141.219307] [<ffffffff811b4da4>] ? evict_inodes+0xf4/0x110 <4>[ 1141.219314] [<ffffffffa0047dd4>] btrfs_put_super+0x14/0x20 [btrfs] <4>[ 1141.219316] [<ffffffff8119be3d>] generic_shutdown_super+0x5d/0xf0 <4>[ 1141.219319] [<ffffffff8119bf61>] kill_anon_super+0x11/0x20 <4>[ 1141.219327] [<ffffffffa004b5c5>] btrfs_kill_super+0x15/0x90 [btrfs] <4>[ 1141.219329] [<ffffffff8119d36d>] ? deactivate_super+0x3d/0x60 <4>[ 1141.219332] [<ffffffff8119c455>] deactivate_locked_super+0x45/0x70 <4>[ 1141.219334] [<ffffffff8119d375>] deactivate_super+0x45/0x60 <4>[ 1141.219337] [<ffffffff811b7f5d>] mntput_no_expire+0xcd/0x130 <4>[ 1141.219340] [<ffffffff811b8b99>] sys_umount+0x79/0x3b0 <4>[ 1141.219343] [<ffffffff81938d8a>] ? retint_swapgs+0xe/0x13 <4>[ 1141.219346] [<ffffffff8193f5a2>] system_call_fastpath+0x16/0x1b <4>[ 1141.219347] ---[ end trace 9b4fa8a702f2863f ]--- <6>[ 1141.219349] space_info 4 has 1073631232 free, is not full <6>[ 1141.219351] space_info total=1082130432, used=45056, pinned=0, reserved=0, may_use=98304, readonly=8454144 -- 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