Stephan, Thank you for the analysis. Yes, I fully switched the dmsetup to "error". Below are my kernel logs, in case you still need them. Thanks, Alex. Jul 2 15:33:29 dev kernel: [ 267.979062] Btrfs loaded Jul 2 15:34:18 dev kernel: [ 317.331859] device fsid 3f3f4343-d8e4-4dd7-ba9f-03f335b6bcfa devid 1 transid 7 /dev/sda Jul 2 15:34:18 dev kernel: [ 317.333169] btrfs: setting nodatacow Jul 2 15:34:18 dev kernel: [ 317.338340] btrfs: no dev_stats entry found for device /dev/sda (devid 1) (OK on first mount after mkfs) Jul 2 15:34:53 dev kernel: [ 352.257768] device fsid 3f3f4343-d8e4-4dd7-ba9f-03f335b6bcfa devid 1 transid 10 /dev/mapper/sda Jul 2 15:34:53 dev kernel: [ 352.258999] btrfs: setting nodatacow Jul 2 15:34:53 dev kernel: [ 352.263037] btrfs: bdev /dev/mapper/sda errs: wr 0, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.495430] btrfs: bdev /dev/mapper/sda errs: wr 1, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.496697] btrfs: bdev /dev/mapper/sda errs: wr 2, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.497892] btrfs: bdev /dev/mapper/sda errs: wr 3, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.499031] btrfs: bdev /dev/mapper/sda errs: wr 4, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.499040] quiet_error: 15 callbacks suppressed Jul 2 15:38:29 dev kernel: [ 568.499043] Buffer I/O error on device dm-0, logical block 5242864 Jul 2 15:38:29 dev kernel: [ 568.499047] Buffer I/O error on device dm-0, logical block 5242864 Jul 2 15:38:29 dev kernel: [ 568.499076] Buffer I/O error on device dm-0, logical block 5242878 Jul 2 15:38:29 dev kernel: [ 568.499080] Buffer I/O error on device dm-0, logical block 5242878 Jul 2 15:38:29 dev kernel: [ 568.499089] Buffer I/O error on device dm-0, logical block 0 Jul 2 15:38:29 dev kernel: [ 568.499092] Buffer I/O error on device dm-0, logical block 0 Jul 2 15:38:29 dev kernel: [ 568.499097] Buffer I/O error on device dm-0, logical block 1 Jul 2 15:38:29 dev kernel: [ 568.499105] Buffer I/O error on device dm-0, logical block 5242879 Jul 2 15:38:29 dev kernel: [ 568.499180] Buffer I/O error on device dm-0, logical block 5242879 Jul 2 15:38:29 dev kernel: [ 568.499184] Buffer I/O error on device dm-0, logical block 5242879 Jul 2 15:38:29 dev kernel: [ 568.507477] btrfs: bdev /dev/mapper/sda errs: wr 5, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.508875] btrfs: bdev /dev/mapper/sda errs: wr 6, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.510031] btrfs: bdev /dev/mapper/sda errs: wr 7, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.511167] btrfs: bdev /dev/mapper/sda errs: wr 8, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.512361] btrfs: bdev /dev/mapper/sda errs: wr 9, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.513641] btrfs: bdev /dev/mapper/sda errs: wr 10, rd 0, flush 0, corrupt 0, gen 0 Jul 2 15:38:29 dev kernel: [ 568.588406] BTRFS error (device dm-0) in btrfs_commit_transaction:1488: IO failure (Error while writing out transaction.) Jul 2 15:38:29 dev kernel: [ 568.589387] btrfs is forced readonly Jul 2 15:38:29 dev kernel: [ 568.589392] BTRFS warning (device dm-0): Skipping commit of aborted transaction. Jul 2 15:38:29 dev kernel: [ 568.589400] ------------[ cut here ]------------ Jul 2 15:38:29 dev kernel: [ 568.589428] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/super.c:221 __btrfs_abort_transaction+0xae/0xc0 [btrfs]() Jul 2 15:38:29 dev kernel: [ 568.589437] Hardware name: Bochs Jul 2 15:38:29 dev kernel: [ 568.589438] btrfs: Transaction aborted Jul 2 15:38:29 dev kernel: [ 568.589439] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:38:29 dev kernel: [ 568.589483] Pid: 4242, comm: DataTransfer.li Tainted: G O 3.4.0-999-generic #1340525350 Jul 2 15:38:29 dev kernel: [ 568.589486] Call Trace: Jul 2 15:38:29 dev kernel: [ 568.589524] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:38:29 dev kernel: [ 568.589529] [<ffffffff81050366>] warn_slowpath_fmt+0x46/0x50 Jul 2 15:38:29 dev kernel: [ 568.589540] [<ffffffffa02dbdde>] __btrfs_abort_transaction+0xae/0xc0 [btrfs] Jul 2 15:38:29 dev kernel: [ 568.589557] [<ffffffffa030206b>] btrfs_commit_transaction+0x10b/0xab0 [btrfs] Jul 2 15:38:29 dev kernel: [ 568.589569] [<ffffffff81073a80>] ? add_wait_queue+0x60/0x60 Jul 2 15:38:29 dev kernel: [ 568.589582] [<ffffffffa0311381>] btrfs_sync_file+0x151/0x230 [btrfs] Jul 2 15:38:29 dev kernel: [ 568.589595] [<ffffffff811aac86>] do_fsync+0x56/0x80 Jul 2 15:38:29 dev kernel: [ 568.589598] [<ffffffff811aafb0>] sys_fsync+0x10/0x20 Jul 2 15:38:29 dev kernel: [ 568.589614] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:38:29 dev kernel: [ 568.589616] ---[ end trace 9aab25b38802f2b6 ]--- Jul 2 15:38:29 dev kernel: [ 568.589619] BTRFS error (device dm-0) in cleanup_transaction:1226: IO failure Jul 2 15:38:29 dev kernel: [ 568.590197] delayed_refs has NO entry ===>Here I call umount: Jul 2 15:40:36 dev kernel: [ 695.452264] ------------[ cut here ]------------ Jul 2 15:40:36 dev kernel: [ 695.452301] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/inode.c:7020 btrfs_destroy_inode+0x2eb/0x330 [btrfs]() Jul 2 15:40:36 dev kernel: [ 695.452305] Hardware name: Bochs Jul 2 15:40:36 dev kernel: [ 695.452307] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:36 dev kernel: [ 695.452355] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:36 dev kernel: [ 695.452359] Call Trace: Jul 2 15:40:36 dev kernel: [ 695.452371] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:36 dev kernel: [ 695.452376] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:36 dev kernel: [ 695.452394] [<ffffffffa031064b>] btrfs_destroy_inode+0x2eb/0x330 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.452423] [<ffffffff81196fdc>] destroy_inode+0x3c/0x70 Jul 2 15:40:36 dev kernel: [ 695.452427] [<ffffffff8119713a>] evict+0x12a/0x1c0 Jul 2 15:40:36 dev kernel: [ 695.452432] [<ffffffff811977b1>] dispose_list+0x41/0x50 Jul 2 15:40:36 dev kernel: [ 695.452439] [<ffffffff81197ece>] evict_inodes+0xce/0x130 Jul 2 15:40:36 dev kernel: [ 695.452444] [<ffffffff8117ef23>] generic_shutdown_super+0x53/0xf0 Jul 2 15:40:36 dev kernel: [ 695.452448] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:36 dev kernel: [ 695.452458] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.452463] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:36 dev kernel: [ 695.452466] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:36 dev kernel: [ 695.452472] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:36 dev kernel: [ 695.452476] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:36 dev kernel: [ 695.452483] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:36 dev kernel: [ 695.452487] ---[ end trace 9aab25b38802f2b7 ]--- Jul 2 15:40:36 dev kernel: [ 695.452489] ------------[ cut here ]------------ Jul 2 15:40:36 dev kernel: [ 695.452507] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/inode.c:7021 btrfs_destroy_inode+0x2d5/0x330 [btrfs]() Jul 2 15:40:36 dev kernel: [ 695.452510] Hardware name: Bochs Jul 2 15:40:36 dev kernel: [ 695.452512] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:36 dev kernel: [ 695.452545] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:36 dev kernel: [ 695.452548] Call Trace: Jul 2 15:40:36 dev kernel: [ 695.452552] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:36 dev kernel: [ 695.452556] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:36 dev kernel: [ 695.452575] [<ffffffffa0310635>] btrfs_destroy_inode+0x2d5/0x330 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.452580] [<ffffffff81196fdc>] destroy_inode+0x3c/0x70 Jul 2 15:40:36 dev kernel: [ 695.452584] [<ffffffff8119713a>] evict+0x12a/0x1c0 Jul 2 15:40:36 dev kernel: [ 695.452588] [<ffffffff811977b1>] dispose_list+0x41/0x50 Jul 2 15:40:36 dev kernel: [ 695.452592] [<ffffffff81197ece>] evict_inodes+0xce/0x130 Jul 2 15:40:36 dev kernel: [ 695.452596] [<ffffffff8117ef23>] generic_shutdown_super+0x53/0xf0 Jul 2 15:40:36 dev kernel: [ 695.452599] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:36 dev kernel: [ 695.452609] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.452613] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:36 dev kernel: [ 695.452617] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:36 dev kernel: [ 695.452621] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:36 dev kernel: [ 695.452625] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:36 dev kernel: [ 695.452629] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:36 dev kernel: [ 695.452631] ---[ end trace 9aab25b38802f2b8 ]--- Jul 2 15:40:36 dev kernel: [ 695.490269] ------------[ cut here ]------------ Jul 2 15:40:36 dev kernel: [ 695.490295] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/inode.c:7020 btrfs_destroy_inode+0x2eb/0x330 [btrfs]() Jul 2 15:40:36 dev kernel: [ 695.490299] Hardware name: Bochs Jul 2 15:40:36 dev kernel: [ 695.490301] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:36 dev kernel: [ 695.490339] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:36 dev kernel: [ 695.490342] Call Trace: Jul 2 15:40:36 dev kernel: [ 695.490350] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:36 dev kernel: [ 695.490355] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:36 dev kernel: [ 695.490373] [<ffffffffa031064b>] btrfs_destroy_inode+0x2eb/0x330 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.490379] [<ffffffff81196fdc>] destroy_inode+0x3c/0x70 Jul 2 15:40:36 dev kernel: [ 695.490383] [<ffffffff8119713a>] evict+0x12a/0x1c0 Jul 2 15:40:36 dev kernel: [ 695.490387] [<ffffffff811977b1>] dispose_list+0x41/0x50 Jul 2 15:40:36 dev kernel: [ 695.490391] [<ffffffff81197ece>] evict_inodes+0xce/0x130 Jul 2 15:40:36 dev kernel: [ 695.490395] [<ffffffff8117ef23>] generic_shutdown_super+0x53/0xf0 Jul 2 15:40:36 dev kernel: [ 695.490399] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:36 dev kernel: [ 695.490409] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.490422] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:36 dev kernel: [ 695.490426] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:36 dev kernel: [ 695.490430] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:36 dev kernel: [ 695.490434] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:36 dev kernel: [ 695.490439] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:36 dev kernel: [ 695.490442] ---[ end trace 9aab25b38802f2b9 ]--- Jul 2 15:40:36 dev kernel: [ 695.490444] ------------[ cut here ]------------ Jul 2 15:40:36 dev kernel: [ 695.490462] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/inode.c:7021 btrfs_destroy_inode+0x2d5/0x330 [btrfs]() Jul 2 15:40:36 dev kernel: [ 695.490465] Hardware name: Bochs Jul 2 15:40:36 dev kernel: [ 695.490467] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:36 dev kernel: [ 695.490500] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:36 dev kernel: [ 695.490503] Call Trace: Jul 2 15:40:36 dev kernel: [ 695.490507] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:36 dev kernel: [ 695.490512] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:36 dev kernel: [ 695.490530] [<ffffffffa0310635>] btrfs_destroy_inode+0x2d5/0x330 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.490535] [<ffffffff81196fdc>] destroy_inode+0x3c/0x70 Jul 2 15:40:36 dev kernel: [ 695.490539] [<ffffffff8119713a>] evict+0x12a/0x1c0 Jul 2 15:40:36 dev kernel: [ 695.490543] [<ffffffff811977b1>] dispose_list+0x41/0x50 Jul 2 15:40:36 dev kernel: [ 695.490547] [<ffffffff81197ece>] evict_inodes+0xce/0x130 Jul 2 15:40:36 dev kernel: [ 695.490551] [<ffffffff8117ef23>] generic_shutdown_super+0x53/0xf0 Jul 2 15:40:36 dev kernel: [ 695.490554] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:36 dev kernel: [ 695.490565] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.490569] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:36 dev kernel: [ 695.490572] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:36 dev kernel: [ 695.490576] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:36 dev kernel: [ 695.490580] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:36 dev kernel: [ 695.490584] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:36 dev kernel: [ 695.490587] ---[ end trace 9aab25b38802f2ba ]--- Jul 2 15:40:36 dev kernel: [ 695.538293] ------------[ cut here ]------------ Jul 2 15:40:36 dev kernel: [ 695.538323] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/inode.c:7020 btrfs_destroy_inode+0x2eb/0x330 [btrfs]() Jul 2 15:40:36 dev kernel: [ 695.538327] Hardware name: Bochs Jul 2 15:40:36 dev kernel: [ 695.538329] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:36 dev kernel: [ 695.538369] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:36 dev kernel: [ 695.538372] Call Trace: Jul 2 15:40:36 dev kernel: [ 695.538382] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:36 dev kernel: [ 695.538387] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:36 dev kernel: [ 695.538406] [<ffffffffa031064b>] btrfs_destroy_inode+0x2eb/0x330 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.538412] [<ffffffff81196fdc>] destroy_inode+0x3c/0x70 Jul 2 15:40:36 dev kernel: [ 695.538416] [<ffffffff8119713a>] evict+0x12a/0x1c0 Jul 2 15:40:36 dev kernel: [ 695.538420] [<ffffffff811977b1>] dispose_list+0x41/0x50 Jul 2 15:40:36 dev kernel: [ 695.538424] [<ffffffff81197ece>] evict_inodes+0xce/0x130 Jul 2 15:40:36 dev kernel: [ 695.538429] [<ffffffff8117ef23>] generic_shutdown_super+0x53/0xf0 Jul 2 15:40:36 dev kernel: [ 695.538432] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:36 dev kernel: [ 695.538443] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.538447] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:36 dev kernel: [ 695.538450] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:36 dev kernel: [ 695.538454] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:36 dev kernel: [ 695.538458] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:36 dev kernel: [ 695.538474] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:36 dev kernel: [ 695.538478] ---[ end trace 9aab25b38802f2bb ]--- Jul 2 15:40:36 dev kernel: [ 695.538480] ------------[ cut here ]------------ Jul 2 15:40:36 dev kernel: [ 695.538498] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/inode.c:7021 btrfs_destroy_inode+0x2d5/0x330 [btrfs]() Jul 2 15:40:36 dev kernel: [ 695.538501] Hardware name: Bochs Jul 2 15:40:36 dev kernel: [ 695.538503] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:36 dev kernel: [ 695.538536] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:36 dev kernel: [ 695.538539] Call Trace: Jul 2 15:40:36 dev kernel: [ 695.538543] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:36 dev kernel: [ 695.538548] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:36 dev kernel: [ 695.538566] [<ffffffffa0310635>] btrfs_destroy_inode+0x2d5/0x330 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.538571] [<ffffffff81196fdc>] destroy_inode+0x3c/0x70 Jul 2 15:40:36 dev kernel: [ 695.538575] [<ffffffff8119713a>] evict+0x12a/0x1c0 Jul 2 15:40:36 dev kernel: [ 695.538579] [<ffffffff811977b1>] dispose_list+0x41/0x50 Jul 2 15:40:36 dev kernel: [ 695.538583] [<ffffffff81197ece>] evict_inodes+0xce/0x130 Jul 2 15:40:36 dev kernel: [ 695.538587] [<ffffffff8117ef23>] generic_shutdown_super+0x53/0xf0 Jul 2 15:40:36 dev kernel: [ 695.538591] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:36 dev kernel: [ 695.538601] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.538605] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:36 dev kernel: [ 695.538609] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:36 dev kernel: [ 695.538612] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:36 dev kernel: [ 695.538616] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:36 dev kernel: [ 695.538620] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:36 dev kernel: [ 695.538623] ---[ end trace 9aab25b38802f2bc ]--- Jul 2 15:40:36 dev kernel: [ 695.581074] ------------[ cut here ]------------ Jul 2 15:40:36 dev kernel: [ 695.581102] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/inode.c:7020 btrfs_destroy_inode+0x2eb/0x330 [btrfs]() Jul 2 15:40:36 dev kernel: [ 695.581106] Hardware name: Bochs Jul 2 15:40:36 dev kernel: [ 695.581108] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:36 dev kernel: [ 695.581149] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:36 dev kernel: [ 695.581152] Call Trace: Jul 2 15:40:36 dev kernel: [ 695.581161] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:36 dev kernel: [ 695.581166] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:36 dev kernel: [ 695.581185] [<ffffffffa031064b>] btrfs_destroy_inode+0x2eb/0x330 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.581191] [<ffffffff81196fdc>] destroy_inode+0x3c/0x70 Jul 2 15:40:36 dev kernel: [ 695.581195] [<ffffffff8119713a>] evict+0x12a/0x1c0 Jul 2 15:40:36 dev kernel: [ 695.581199] [<ffffffff811977b1>] dispose_list+0x41/0x50 Jul 2 15:40:36 dev kernel: [ 695.581203] [<ffffffff81197ece>] evict_inodes+0xce/0x130 Jul 2 15:40:36 dev kernel: [ 695.581207] [<ffffffff8117ef23>] generic_shutdown_super+0x53/0xf0 Jul 2 15:40:36 dev kernel: [ 695.581211] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:36 dev kernel: [ 695.581221] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.581225] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:36 dev kernel: [ 695.581229] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:36 dev kernel: [ 695.581233] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:36 dev kernel: [ 695.581237] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:36 dev kernel: [ 695.581242] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:36 dev kernel: [ 695.581245] ---[ end trace 9aab25b38802f2bd ]--- Jul 2 15:40:36 dev kernel: [ 695.581247] ------------[ cut here ]------------ Jul 2 15:40:36 dev kernel: [ 695.581265] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/inode.c:7021 btrfs_destroy_inode+0x2d5/0x330 [btrfs]() Jul 2 15:40:36 dev kernel: [ 695.581276] Hardware name: Bochs Jul 2 15:40:36 dev kernel: [ 695.581278] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:36 dev kernel: [ 695.581312] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:36 dev kernel: [ 695.581314] Call Trace: Jul 2 15:40:36 dev kernel: [ 695.581319] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:36 dev kernel: [ 695.581323] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:36 dev kernel: [ 695.581342] [<ffffffffa0310635>] btrfs_destroy_inode+0x2d5/0x330 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.581347] [<ffffffff81196fdc>] destroy_inode+0x3c/0x70 Jul 2 15:40:36 dev kernel: [ 695.581351] [<ffffffff8119713a>] evict+0x12a/0x1c0 Jul 2 15:40:36 dev kernel: [ 695.581355] [<ffffffff811977b1>] dispose_list+0x41/0x50 Jul 2 15:40:36 dev kernel: [ 695.581359] [<ffffffff81197ece>] evict_inodes+0xce/0x130 Jul 2 15:40:36 dev kernel: [ 695.581363] [<ffffffff8117ef23>] generic_shutdown_super+0x53/0xf0 Jul 2 15:40:36 dev kernel: [ 695.581366] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:36 dev kernel: [ 695.581377] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:36 dev kernel: [ 695.581381] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:36 dev kernel: [ 695.581384] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:36 dev kernel: [ 695.581388] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:36 dev kernel: [ 695.581392] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:36 dev kernel: [ 695.581396] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:36 dev kernel: [ 695.581399] ---[ end trace 9aab25b38802f2be ]--- Jul 2 15:40:37 dev kernel: [ 695.709460] ------------[ cut here ]------------ Jul 2 15:40:37 dev kernel: [ 695.709488] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/extent-tree.c:125 btrfs_put_block_group+0x6c/0x70 [btrfs]() Jul 2 15:40:37 dev kernel: [ 695.709492] Hardware name: Bochs Jul 2 15:40:37 dev kernel: [ 695.709494] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:37 dev kernel: [ 695.709539] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:37 dev kernel: [ 695.709542] Call Trace: Jul 2 15:40:37 dev kernel: [ 695.709554] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:37 dev kernel: [ 695.709558] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:37 dev kernel: [ 695.709571] [<ffffffffa02eaeac>] btrfs_put_block_group+0x6c/0x70 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709586] [<ffffffffa02f3910>] btrfs_free_block_groups+0xb0/0x370 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709603] [<ffffffffa02feca4>] close_ctree+0x1a4/0x310 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709612] [<ffffffff81197ece>] ? evict_inodes+0xce/0x130 Jul 2 15:40:37 dev kernel: [ 695.709622] [<ffffffffa02d76c9>] btrfs_put_super+0x19/0x20 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709627] [<ffffffff8117ef32>] generic_shutdown_super+0x62/0xf0 Jul 2 15:40:37 dev kernel: [ 695.709631] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:37 dev kernel: [ 695.709641] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709645] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:37 dev kernel: [ 695.709648] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:37 dev kernel: [ 695.709652] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:37 dev kernel: [ 695.709656] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:37 dev kernel: [ 695.709662] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:37 dev kernel: [ 695.709665] ---[ end trace 9aab25b38802f2bf ]--- Jul 2 15:40:37 dev kernel: [ 695.709669] ------------[ cut here ]------------ Jul 2 15:40:37 dev kernel: [ 695.709681] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/extent-tree.c:125 btrfs_put_block_group+0x6c/0x70 [btrfs]() Jul 2 15:40:37 dev kernel: [ 695.709684] Hardware name: Bochs Jul 2 15:40:37 dev kernel: [ 695.709686] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:37 dev kernel: [ 695.709729] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:37 dev kernel: [ 695.709731] Call Trace: Jul 2 15:40:37 dev kernel: [ 695.709736] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:37 dev kernel: [ 695.709740] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:37 dev kernel: [ 695.709753] [<ffffffffa02eaeac>] btrfs_put_block_group+0x6c/0x70 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709767] [<ffffffffa02f3910>] btrfs_free_block_groups+0xb0/0x370 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709784] [<ffffffffa02feca4>] close_ctree+0x1a4/0x310 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709789] [<ffffffff81197ece>] ? evict_inodes+0xce/0x130 Jul 2 15:40:37 dev kernel: [ 695.709799] [<ffffffffa02d76c9>] btrfs_put_super+0x19/0x20 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709803] [<ffffffff8117ef32>] generic_shutdown_super+0x62/0xf0 Jul 2 15:40:37 dev kernel: [ 695.709807] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:37 dev kernel: [ 695.709817] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709821] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:37 dev kernel: [ 695.709824] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:37 dev kernel: [ 695.709828] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:37 dev kernel: [ 695.709832] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:37 dev kernel: [ 695.709836] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:37 dev kernel: [ 695.709839] ---[ end trace 9aab25b38802f2c0 ]--- Jul 2 15:40:37 dev kernel: [ 695.709850] ------------[ cut here ]------------ Jul 2 15:40:37 dev kernel: [ 695.709862] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/extent-tree.c:125 btrfs_put_block_group+0x6c/0x70 [btrfs]() Jul 2 15:40:37 dev kernel: [ 695.709865] Hardware name: Bochs Jul 2 15:40:37 dev kernel: [ 695.709867] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:37 dev kernel: [ 695.709899] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:37 dev kernel: [ 695.709901] Call Trace: Jul 2 15:40:37 dev kernel: [ 695.709906] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:37 dev kernel: [ 695.709910] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:37 dev kernel: [ 695.709923] [<ffffffffa02eaeac>] btrfs_put_block_group+0x6c/0x70 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709937] [<ffffffffa02f3910>] btrfs_free_block_groups+0xb0/0x370 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709954] [<ffffffffa02feca4>] close_ctree+0x1a4/0x310 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709958] [<ffffffff81197ece>] ? evict_inodes+0xce/0x130 Jul 2 15:40:37 dev kernel: [ 695.709968] [<ffffffffa02d76c9>] btrfs_put_super+0x19/0x20 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709972] [<ffffffff8117ef32>] generic_shutdown_super+0x62/0xf0 Jul 2 15:40:37 dev kernel: [ 695.709976] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:37 dev kernel: [ 695.709986] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.709990] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:37 dev kernel: [ 695.709994] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:37 dev kernel: [ 695.709998] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:37 dev kernel: [ 695.710002] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:37 dev kernel: [ 695.710006] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:37 dev kernel: [ 695.710009] ---[ end trace 9aab25b38802f2c1 ]--- Jul 2 15:40:37 dev kernel: [ 695.710046] ------------[ cut here ]------------ Jul 2 15:40:37 dev kernel: [ 695.710061] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/extent-tree.c:4305 btrfs_free_block_groups+0x2ce/0x370 [btrfs]() Jul 2 15:40:37 dev kernel: [ 695.710064] Hardware name: Bochs Jul 2 15:40:37 dev kernel: [ 695.710065] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:37 dev kernel: [ 695.710103] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:37 dev kernel: [ 695.710106] Call Trace: Jul 2 15:40:37 dev kernel: [ 695.710111] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:37 dev kernel: [ 695.710115] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:37 dev kernel: [ 695.710130] [<ffffffffa02f3b2e>] btrfs_free_block_groups+0x2ce/0x370 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710147] [<ffffffffa02feca4>] close_ctree+0x1a4/0x310 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710151] [<ffffffff81197ece>] ? evict_inodes+0xce/0x130 Jul 2 15:40:37 dev kernel: [ 695.710162] [<ffffffffa02d76c9>] btrfs_put_super+0x19/0x20 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710166] [<ffffffff8117ef32>] generic_shutdown_super+0x62/0xf0 Jul 2 15:40:37 dev kernel: [ 695.710170] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:37 dev kernel: [ 695.710180] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710184] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:37 dev kernel: [ 695.710187] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:37 dev kernel: [ 695.710191] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:37 dev kernel: [ 695.710195] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:37 dev kernel: [ 695.710199] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:37 dev kernel: [ 695.710202] ---[ end trace 9aab25b38802f2c2 ]--- Jul 2 15:40:37 dev kernel: [ 695.710204] ------------[ cut here ]------------ Jul 2 15:40:37 dev kernel: [ 695.710218] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/extent-tree.c:4306 btrfs_free_block_groups+0x368/0x370 [btrfs]() Jul 2 15:40:37 dev kernel: [ 695.710221] Hardware name: Bochs Jul 2 15:40:37 dev kernel: [ 695.710222] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:37 dev kernel: [ 695.710254] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:37 dev kernel: [ 695.710256] Call Trace: Jul 2 15:40:37 dev kernel: [ 695.710261] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:37 dev kernel: [ 695.710265] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:37 dev kernel: [ 695.710279] [<ffffffffa02f3bc8>] btrfs_free_block_groups+0x368/0x370 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710296] [<ffffffffa02feca4>] close_ctree+0x1a4/0x310 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710301] [<ffffffff81197ece>] ? evict_inodes+0xce/0x130 Jul 2 15:40:37 dev kernel: [ 695.710311] [<ffffffffa02d76c9>] btrfs_put_super+0x19/0x20 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710315] [<ffffffff8117ef32>] generic_shutdown_super+0x62/0xf0 Jul 2 15:40:37 dev kernel: [ 695.710319] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:37 dev kernel: [ 695.710329] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710333] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:37 dev kernel: [ 695.710337] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:37 dev kernel: [ 695.710340] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:37 dev kernel: [ 695.710344] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:37 dev kernel: [ 695.710348] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:37 dev kernel: [ 695.710351] ---[ end trace 9aab25b38802f2c3 ]--- Jul 2 15:40:37 dev kernel: [ 695.710353] ------------[ cut here ]------------ Jul 2 15:40:37 dev kernel: [ 695.710367] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/extent-tree.c:4307 btrfs_free_block_groups+0x352/0x370 [btrfs]() Jul 2 15:40:37 dev kernel: [ 695.710370] Hardware name: Bochs Jul 2 15:40:37 dev kernel: [ 695.710371] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:37 dev kernel: [ 695.710403] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:37 dev kernel: [ 695.710405] Call Trace: Jul 2 15:40:37 dev kernel: [ 695.710410] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:37 dev kernel: [ 695.710414] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:37 dev kernel: [ 695.710428] [<ffffffffa02f3bb2>] btrfs_free_block_groups+0x352/0x370 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710449] [<ffffffffa02feca4>] close_ctree+0x1a4/0x310 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710454] [<ffffffff81197ece>] ? evict_inodes+0xce/0x130 Jul 2 15:40:37 dev kernel: [ 695.710464] [<ffffffffa02d76c9>] btrfs_put_super+0x19/0x20 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710468] [<ffffffff8117ef32>] generic_shutdown_super+0x62/0xf0 Jul 2 15:40:37 dev kernel: [ 695.710472] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:37 dev kernel: [ 695.710482] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710486] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:37 dev kernel: [ 695.710489] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:37 dev kernel: [ 695.710493] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:37 dev kernel: [ 695.710497] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:37 dev kernel: [ 695.710501] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:37 dev kernel: [ 695.710504] ---[ end trace 9aab25b38802f2c4 ]--- Jul 2 15:40:37 dev kernel: [ 695.710505] ------------[ cut here ]------------ Jul 2 15:40:37 dev kernel: [ 695.710519] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/extent-tree.c:7567 btrfs_free_block_groups+0x262/0x370 [btrfs]() Jul 2 15:40:37 dev kernel: [ 695.710522] Hardware name: Bochs Jul 2 15:40:37 dev kernel: [ 695.710524] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:37 dev kernel: [ 695.710556] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:37 dev kernel: [ 695.710558] Call Trace: Jul 2 15:40:37 dev kernel: [ 695.710563] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:37 dev kernel: [ 695.710567] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:37 dev kernel: [ 695.710581] [<ffffffffa02f3ac2>] btrfs_free_block_groups+0x262/0x370 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710598] [<ffffffffa02feca4>] close_ctree+0x1a4/0x310 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710603] [<ffffffff81197ece>] ? evict_inodes+0xce/0x130 Jul 2 15:40:37 dev kernel: [ 695.710613] [<ffffffffa02d76c9>] btrfs_put_super+0x19/0x20 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710617] [<ffffffff8117ef32>] generic_shutdown_super+0x62/0xf0 Jul 2 15:40:37 dev kernel: [ 695.710620] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:37 dev kernel: [ 695.710630] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710634] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:37 dev kernel: [ 695.710638] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:37 dev kernel: [ 695.710642] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:37 dev kernel: [ 695.710645] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:37 dev kernel: [ 695.710650] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:37 dev kernel: [ 695.710652] ---[ end trace 9aab25b38802f2c5 ]--- Jul 2 15:40:37 dev kernel: [ 695.710655] space_info 1 has 1102032896 free, is not full Jul 2 15:40:37 dev kernel: [ 695.710659] space_info total=5377097728, used=3674714112, pinned=0, reserved=600350720, may_use=0, readonly=0 Jul 2 15:40:37 dev kernel: [ 695.710662] ------------[ cut here ]------------ Jul 2 15:40:37 dev kernel: [ 695.710676] WARNING: at /mnt/work/alex/linux-btrfs-chris/source/fs/btrfs/extent-tree.c:7567 btrfs_free_block_groups+0x262/0x370 [btrfs]() Jul 2 15:40:37 dev kernel: [ 695.710679] Hardware name: Bochs Jul 2 15:40:37 dev kernel: [ 695.710681] Modules linked in: btrfs(O) deflate ctr twofish_generic twofish_x86_64_3way lrw xts gf128mul twofish_x86_64 twofish_common camellia_generic serpent_generic blowfish_generic blowfish_x86_64 blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl psmouse sunrpc serio_raw parport_pc microcode mac_hid i2c_piix4 lp parport floppy zlib_deflate libcrc32c [last unloaded: btrfs] Jul 2 15:40:37 dev kernel: [ 695.710712] Pid: 4399, comm: umount Tainted: G W O 3.4.0-999-generic #1340525350 Jul 2 15:40:37 dev kernel: [ 695.710715] Call Trace: Jul 2 15:40:37 dev kernel: [ 695.710719] [<ffffffff8105026f>] warn_slowpath_common+0x7f/0xc0 Jul 2 15:40:37 dev kernel: [ 695.710724] [<ffffffff810502ca>] warn_slowpath_null+0x1a/0x20 Jul 2 15:40:37 dev kernel: [ 695.710738] [<ffffffffa02f3ac2>] btrfs_free_block_groups+0x262/0x370 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710755] [<ffffffffa02feca4>] close_ctree+0x1a4/0x310 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710759] [<ffffffff81197ece>] ? evict_inodes+0xce/0x130 Jul 2 15:40:37 dev kernel: [ 695.710773] [<ffffffffa02d76c9>] btrfs_put_super+0x19/0x20 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710777] [<ffffffff8117ef32>] generic_shutdown_super+0x62/0xf0 Jul 2 15:40:37 dev kernel: [ 695.710781] [<ffffffff8117f056>] kill_anon_super+0x16/0x30 Jul 2 15:40:37 dev kernel: [ 695.710791] [<ffffffffa02d9f4a>] btrfs_kill_super+0x1a/0x90 [btrfs] Jul 2 15:40:37 dev kernel: [ 695.710795] [<ffffffff8117f52c>] deactivate_locked_super+0x3c/0xa0 Jul 2 15:40:37 dev kernel: [ 695.710799] [<ffffffff8117fe1e>] deactivate_super+0x4e/0x70 Jul 2 15:40:37 dev kernel: [ 695.710802] [<ffffffff8119b60c>] mntput_no_expire+0xdc/0x130 Jul 2 15:40:37 dev kernel: [ 695.710806] [<ffffffff8119c906>] sys_umount+0x66/0xe0 Jul 2 15:40:37 dev kernel: [ 695.710810] [<ffffffff816758e9>] system_call_fastpath+0x16/0x1b Jul 2 15:40:37 dev kernel: [ 695.710813] ---[ end trace 9aab25b38802f2c6 ]--- Jul 2 15:40:37 dev kernel: [ 695.710816] space_info 4 has 1073614848 free, is not full Jul 2 15:40:37 dev kernel: [ 695.710819] space_info total=1082130432, used=49152, pinned=0, reserved=12288, may_use=1179648, readonly=8454144 ====> mount again Jul 2 15:44:06 dev kernel: [ 904.813369] Btrfs loaded Jul 2 15:44:22 dev kernel: [ 921.353427] device fsid 3f3f4343-d8e4-4dd7-ba9f-03f335b6bcfa devid 1 transid 13 /dev/mapper/sda Jul 2 15:44:22 dev kernel: [ 921.354226] btrfs: setting nodatacow Jul 2 15:44:22 dev kernel: [ 921.357722] parent transid verify failed on 20971520 wanted 13 found 5 Jul 2 15:44:22 dev kernel: [ 921.375692] parent transid verify failed on 20971520 wanted 13 found 5 Jul 2 15:44:22 dev kernel: [ 921.376169] btrfs read error corrected: ino 1 off 20971520 (dev /dev/mapper/sda sector 40960) Jul 2 15:44:22 dev kernel: [ 921.376174] btrfs: failed to read chunk root on dm-0 Jul 2 15:44:22 dev kernel: [ 921.376746] btrfs: open_ctree failed Jul 2 15:45:15 dev kernel: [ 973.801194] device fsid 3f3f4343-d8e4-4dd7-ba9f-03f335b6bcfa devid 1 transid 13 /dev/mapper/sda Jul 2 15:45:15 dev kernel: [ 973.801961] btrfs: setting nodatacow Jul 2 15:45:15 dev kernel: [ 973.803795] parent transid verify failed on 20971520 wanted 13 found 5 Jul 2 15:45:15 dev kernel: [ 973.803989] parent transid verify failed on 20971520 wanted 13 found 5 Jul 2 15:45:15 dev kernel: [ 973.804739] btrfs read error corrected: ino 1 off 20971520 (dev /dev/mapper/sda sector 40960) Jul 2 15:45:15 dev kernel: [ 973.804745] btrfs: failed to read chunk root on dm-0 Jul 2 15:45:15 dev kernel: [ 973.806169] btrfs: open_ctree failed Jul 2 16:00:01 dev kernel: [ 1860.193154] quiet_error: 129 callbacks suppressed -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
