Nov  7 15:16:28 luna kernel: [ 3010.347454] device fsid 9880be7d-1b7f-4233-b14d-c6bc37d3d26c devid 1 transid 7775 /dev/sdd4
Nov  7 15:16:28 luna kernel: [ 3010.347954] btrfs: disk space caching is enabled
Nov  7 15:16:28 luna kernel: [ 3010.398732] ------------[ cut here ]------------
Nov  7 15:16:28 luna kernel: [ 3010.398768] WARNING: at fs/btrfs/free-space-cache.c:305 io_ctl_map_page+0x29/0x76 [btrfs]()
Nov  7 15:16:28 luna kernel: [ 3010.398772] Hardware name: PRIMERGY            
Nov  7 15:16:28 luna kernel: [ 3010.398774] Modules linked in: nfsd lockd nfs_acl auth_rpcgss autofs4 sunrpc 8021q garp stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf cachefiles fscache ipv6 btrfs zlib_deflate crc32c libcrc32c ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput ppdev parport_pc parport sg pcspkr i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support tg3 shpchp pci_hotplug i3000_edac edac_core ext4 mbcache jbd2 crc16 sd_mod crc_t10dif megaraid_sas sr_mod cdrom floppy pata_acpi ata_generic ata_piix libata scsi_mod [last unloaded: microcode]
Nov  7 15:16:28 luna kernel: [ 3010.398834] Pid: 11742, comm: mkdir Not tainted 3.1.0mod+ #1
Nov  7 15:16:28 luna kernel: [ 3010.398837] Call Trace:
Nov  7 15:16:28 luna kernel: [ 3010.398846]  [<ffffffff8104b6fe>] warn_slowpath_common+0x85/0x9d
Nov  7 15:16:28 luna kernel: [ 3010.398851]  [<ffffffff8104b730>] warn_slowpath_null+0x1a/0x1c
Nov  7 15:16:28 luna kernel: [ 3010.398872]  [<ffffffffa03035b0>] io_ctl_map_page+0x29/0x76 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.398893]  [<ffffffffa0303790>] io_ctl_check_crc+0x62/0xd0 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.398899]  [<ffffffff811cb564>] ? rb_insert_color+0x68/0xe5
Nov  7 15:16:28 luna kernel: [ 3010.398919]  [<ffffffffa0303832>] io_ctl_read_bitmap+0x34/0x61 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.398941]  [<ffffffffa0303202>] ? link_free_space+0x3f/0x54 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.398961]  [<ffffffffa030528c>] __load_free_space_cache+0x2f1/0x35a [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.398967]  [<ffffffff8112d21d>] ? igrab+0x1d/0x44
Nov  7 15:16:28 luna kernel: [ 3010.398988]  [<ffffffffa030548e>] load_free_space_cache+0xca/0x168 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399004]  [<ffffffffa02c7507>] cache_block_group+0xa3/0x1f2 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399034]  [<ffffffffa02cabf4>] find_free_extent+0x478/0xa48 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399041]  [<ffffffff81014ea2>] ? read_tsc+0x9/0x1b
Nov  7 15:16:28 luna kernel: [ 3010.399049]  [<ffffffff810d35bc>] ? __lock_page+0x6d/0x6d
Nov  7 15:16:28 luna kernel: [ 3010.399068]  [<ffffffffa02cb279>] btrfs_reserve_extent+0xb5/0x1c4 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399076]  [<ffffffff810675a2>] ? autoremove_wake_function+0x3d/0x3d
Nov  7 15:16:28 luna kernel: [ 3010.399095]  [<ffffffffa02cb508>] btrfs_alloc_free_block+0x180/0x2a8 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399111]  [<ffffffffa02bd3b2>] __btrfs_cow_block+0x11d/0x3ba [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399136]  [<ffffffffa02ec297>] ? map_private_extent_buffer+0xa8/0xe8 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399153]  [<ffffffffa02bdb36>] btrfs_cow_block+0x108/0x152 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399170]  [<ffffffffa02bf855>] btrfs_search_slot+0x24e/0x6a9 [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399187]  [<ffffffffa02bceb4>] ? btrfs_free_path+0x2a/0x2f [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399204]  [<ffffffffa02c088d>] btrfs_insert_empty_items+0x6a/0xbc [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399228]  [<ffffffffa02da665>] btrfs_new_inode+0x160/0x36d [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399250]  [<ffffffffa02d6f00>] ? start_transaction+0x200/0x24d [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399273]  [<ffffffffa02ddf30>] btrfs_mkdir+0xbd/0x1ab [btrfs]
Nov  7 15:16:28 luna kernel: [ 3010.399281]  [<ffffffff81123f61>] vfs_mkdir+0x5f/0x9b
Nov  7 15:16:28 luna kernel: [ 3010.399287]  [<ffffffff811262c6>] sys_mkdirat+0x6b/0xaa
Nov  7 15:16:28 luna kernel: [ 3010.399294]  [<ffffffff8112631d>] sys_mkdir+0x18/0x1a
Nov  7 15:16:28 luna kernel: [ 3010.399301]  [<ffffffff813af4c2>] system_call_fastpath+0x16/0x1b
Nov  7 15:16:28 luna kernel: [ 3010.399306] ---[ end trace 3f7da847bea10c5d ]---
Nov  7 15:16:28 luna kernel: [ 3010.399327] btrfs: csum mismatch on free space cache
Nov  7 15:16:28 luna kernel: [ 3010.399585] btrfs: failed to load free space cache for block group 29360128
...
...
Nov  7 15:32:18 luna kernel: [ 3960.655338] device fsid 9880be7d-1b7f-4233-b14d-c6bc37d3d26c devid 1 transid 8092 /dev/sdd4
Nov  7 15:32:18 luna kernel: [ 3960.655855] btrfs: disk space caching is enabled
Nov  7 15:32:18 luna kernel: [ 3960.844130] ------------[ cut here ]------------
Nov  7 15:32:18 luna kernel: [ 3960.844168] WARNING: at fs/btrfs/free-space-cache.c:305 io_ctl_map_page+0x29/0x76 [btrfs]()
Nov  7 15:32:18 luna kernel: [ 3960.844171] Hardware name: PRIMERGY            
Nov  7 15:32:18 luna kernel: [ 3960.844173] Modules linked in: nfsd lockd nfs_acl auth_rpcgss autofs4 sunrpc 8021q garp stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf cachefiles fscache ipv6 btrfs zlib_deflate crc32c libcrc32c ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput ppdev parport_pc parport sg pcspkr i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support tg3 shpchp pci_hotplug i3000_edac edac_core ext4 mbcache jbd2 crc16 sd_mod crc_t10dif megaraid_sas sr_mod cdrom floppy pata_acpi ata_generic ata_piix libata scsi_mod [last unloaded: microcode]
Nov  7 15:32:18 luna kernel: [ 3960.844233] Pid: 8238, comm: rm Tainted: G        W   3.1.0mod+ #1
Nov  7 15:32:18 luna kernel: [ 3960.844236] Call Trace:
Nov  7 15:32:18 luna kernel: [ 3960.844245]  [<ffffffff8104b6fe>] warn_slowpath_common+0x85/0x9d
Nov  7 15:32:18 luna kernel: [ 3960.844250]  [<ffffffff8104b730>] warn_slowpath_null+0x1a/0x1c
Nov  7 15:32:18 luna kernel: [ 3960.844270]  [<ffffffffa03035b0>] io_ctl_map_page+0x29/0x76 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844291]  [<ffffffffa0303790>] io_ctl_check_crc+0x62/0xd0 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844312]  [<ffffffffa0303832>] io_ctl_read_bitmap+0x34/0x61 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844334]  [<ffffffffa0303202>] ? link_free_space+0x3f/0x54 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844354]  [<ffffffffa030528c>] __load_free_space_cache+0x2f1/0x35a [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844360]  [<ffffffff8112d21d>] ? igrab+0x1d/0x44
Nov  7 15:32:18 luna kernel: [ 3960.844380]  [<ffffffffa030548e>] load_free_space_cache+0xca/0x168 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844397]  [<ffffffffa02c7507>] cache_block_group+0xa3/0x1f2 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844414]  [<ffffffffa02cabf4>] find_free_extent+0x478/0xa48 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844432]  [<ffffffffa02cb279>] btrfs_reserve_extent+0xb5/0x1c4 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844455]  [<ffffffffa02ec297>] ? map_private_extent_buffer+0xa8/0xe8 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844472]  [<ffffffffa02cb508>] btrfs_alloc_free_block+0x180/0x2a8 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844477]  [<ffffffff8112d786>] ? unlock_new_inode+0x50/0x5a
Nov  7 15:32:18 luna kernel: [ 3960.844492]  [<ffffffffa02bd3b2>] __btrfs_cow_block+0x11d/0x3ba [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844513]  [<ffffffffa02e0822>] ? btrfs_lookup_dentry+0x14f/0x400 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844529]  [<ffffffffa02bdb36>] btrfs_cow_block+0x108/0x152 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844544]  [<ffffffffa02bf855>] btrfs_search_slot+0x24e/0x6a9 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844549]  [<ffffffff811238c1>] ? inode_permission+0xd2/0xde
Nov  7 15:32:18 luna kernel: [ 3960.844564]  [<ffffffffa02c088d>] btrfs_insert_empty_items+0x6a/0xbc [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844569]  [<ffffffff8110b3c9>] ? kmem_cache_alloc+0x31/0xec
Nov  7 15:32:18 luna kernel: [ 3960.844591]  [<ffffffffa02fcef8>] btrfs_insert_orphan_item+0x5d/0x75 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844614]  [<ffffffffa02de8f1>] btrfs_orphan_add+0x107/0x125 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844635]  [<ffffffffa02deeea>] btrfs_rmdir+0xb7/0x120 [btrfs]
Nov  7 15:32:18 luna kernel: [ 3960.844640]  [<ffffffff8112436b>] vfs_rmdir+0x87/0xe1
Nov  7 15:32:18 luna kernel: [ 3960.844644]  [<ffffffff811269f6>] do_rmdir+0xd0/0x122
Nov  7 15:32:18 luna kernel: [ 3960.844649]  [<ffffffff81132266>] ? mntput+0x26/0x28
Nov  7 15:32:18 luna kernel: [ 3960.844653]  [<ffffffff81122c69>] ? path_put+0x22/0x26
Nov  7 15:32:18 luna kernel: [ 3960.844658]  [<ffffffff810971b7>] ? audit_syscall_entry+0x11e/0x14a
Nov  7 15:32:18 luna kernel: [ 3960.844662]  [<ffffffff81126a6a>] sys_unlinkat+0x22/0x2b
Nov  7 15:32:18 luna kernel: [ 3960.844667]  [<ffffffff813af4c2>] system_call_fastpath+0x16/0x1b
Nov  7 15:32:18 luna kernel: [ 3960.844671] ---[ end trace 3f7da847bea10c5e ]---
Nov  7 15:32:18 luna kernel: [ 3960.844692] btrfs: csum mismatch on free space cache
Nov  7 15:32:18 luna kernel: [ 3960.844951] btrfs: failed to load free space cache for block group 29360128
...
...
Nov  7 15:49:44 luna kernel: [ 5006.897832] device fsid 9880be7d-1b7f-4233-b14d-c6bc37d3d26c devid 1 transid 11042 /dev/sdd4
Nov  7 15:49:44 luna kernel: [ 5006.898379] btrfs: use lzo compression
Nov  7 15:49:44 luna kernel: [ 5006.898382] btrfs: disk space caching is enabled
Nov  7 15:49:44 luna kernel: [ 5007.077857] ------------[ cut here ]------------
Nov  7 15:49:44 luna kernel: [ 5007.077893] WARNING: at fs/btrfs/free-space-cache.c:305 io_ctl_map_page+0x29/0x76 [btrfs]()
Nov  7 15:49:44 luna kernel: [ 5007.077897] Hardware name: PRIMERGY            
Nov  7 15:49:44 luna kernel: [ 5007.077899] Modules linked in: nfsd lockd nfs_acl auth_rpcgss autofs4 sunrpc 8021q garp stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf cachefiles fscache ipv6 btrfs zlib_deflate crc32c libcrc32c ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput ppdev parport_pc parport sg pcspkr i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support tg3 shpchp pci_hotplug i3000_edac edac_core ext4 mbcache jbd2 crc16 sd_mod crc_t10dif megaraid_sas sr_mod cdrom floppy pata_acpi ata_generic ata_piix libata scsi_mod [last unloaded: microcode]
Nov  7 15:49:44 luna kernel: [ 5007.077959] Pid: 19907, comm: xfs_io Tainted: G        W   3.1.0mod+ #1
Nov  7 15:49:44 luna kernel: [ 5007.077962] Call Trace:
Nov  7 15:49:44 luna kernel: [ 5007.077971]  [<ffffffff8104b6fe>] warn_slowpath_common+0x85/0x9d
Nov  7 15:49:44 luna kernel: [ 5007.077976]  [<ffffffff8104b730>] warn_slowpath_null+0x1a/0x1c
Nov  7 15:49:44 luna kernel: [ 5007.077997]  [<ffffffffa03035b0>] io_ctl_map_page+0x29/0x76 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078029]  [<ffffffffa0303790>] io_ctl_check_crc+0x62/0xd0 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078052]  [<ffffffffa0303832>] io_ctl_read_bitmap+0x34/0x61 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078076]  [<ffffffffa0303202>] ? link_free_space+0x3f/0x54 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078099]  [<ffffffffa030528c>] __load_free_space_cache+0x2f1/0x35a [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078107]  [<ffffffff8112d21d>] ? igrab+0x1d/0x44
Nov  7 15:49:44 luna kernel: [ 5007.078129]  [<ffffffffa030548e>] load_free_space_cache+0xca/0x168 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078136]  [<ffffffff8111688b>] ? lookup_page_cgroup+0x28/0x3e
Nov  7 15:49:44 luna kernel: [ 5007.078154]  [<ffffffffa02c7507>] cache_block_group+0xa3/0x1f2 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078174]  [<ffffffffa02cabf4>] find_free_extent+0x478/0xa48 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078193]  [<ffffffffa02cb279>] btrfs_reserve_extent+0xb5/0x1c4 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078212]  [<ffffffffa02cb508>] btrfs_alloc_free_block+0x180/0x2a8 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078229]  [<ffffffffa02bd3b2>] __btrfs_cow_block+0x11d/0x3ba [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078254]  [<ffffffffa02ec297>] ? map_private_extent_buffer+0xa8/0xe8 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078271]  [<ffffffffa02bdb36>] btrfs_cow_block+0x108/0x152 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078288]  [<ffffffffa02bf855>] btrfs_search_slot+0x24e/0x6a9 [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078295]  [<ffffffff8110946c>] ? virt_to_head_page+0xe/0x31
Nov  7 15:49:44 luna kernel: [ 5007.078311]  [<ffffffffa02bceb4>] ? btrfs_free_path+0x2a/0x2f [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078328]  [<ffffffffa02c088d>] btrfs_insert_empty_items+0x6a/0xbc [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078352]  [<ffffffffa02da665>] btrfs_new_inode+0x160/0x36d [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078374]  [<ffffffffa02d6f00>] ? start_transaction+0x200/0x24d [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078397]  [<ffffffffa02dd710>] btrfs_create+0xae/0x19a [btrfs]
Nov  7 15:49:44 luna kernel: [ 5007.078405]  [<ffffffff811240c8>] vfs_create+0x6c/0x8e
Nov  7 15:49:44 luna kernel: [ 5007.078411]  [<ffffffff81124f3e>] do_last+0x237/0x57a
Nov  7 15:49:44 luna kernel: [ 5007.078417]  [<ffffffff81125809>] path_openat+0xcf/0x313
Nov  7 15:49:44 luna kernel: [ 5007.078424]  [<ffffffff81125b46>] do_filp_open+0x3d/0x89
Nov  7 15:49:44 luna kernel: [ 5007.078431]  [<ffffffff811d149e>] ? strncpy_from_user+0x48/0x76
Nov  7 15:49:44 luna kernel: [ 5007.078438]  [<ffffffff8112fc9b>] ? alloc_fd+0x7b/0x123
Nov  7 15:49:44 luna kernel: [ 5007.078445]  [<ffffffff8111877f>] do_sys_open+0x73/0x105
Nov  7 15:49:44 luna kernel: [ 5007.078451]  [<ffffffff81118844>] sys_open+0x20/0x22
Nov  7 15:49:44 luna kernel: [ 5007.078458]  [<ffffffff813af4c2>] system_call_fastpath+0x16/0x1b
Nov  7 15:49:44 luna kernel: [ 5007.078463] ---[ end trace 3f7da847bea10c5f ]---
Nov  7 15:49:44 luna kernel: [ 5007.078485] btrfs: csum mismatch on free space cache
Nov  7 15:49:44 luna kernel: [ 5007.079315] btrfs: failed to load free space cache for block group 29360128
...
...
Nov  7 16:20:16 luna kernel: [ 6838.353069] device fsid 9880be7d-1b7f-4233-b14d-c6bc37d3d26c devid 1 transid 14139 /dev/sdd4
Nov  7 16:20:16 luna kernel: [ 6838.353590] btrfs: use lzo compression
Nov  7 16:20:16 luna kernel: [ 6838.353593] btrfs: disk space caching is enabled
Nov  7 16:20:16 luna kernel: [ 6838.494401] ------------[ cut here ]------------
Nov  7 16:20:16 luna kernel: [ 6838.494438] WARNING: at fs/btrfs/free-space-cache.c:305 io_ctl_map_page+0x29/0x76 [btrfs]()
Nov  7 16:20:16 luna kernel: [ 6838.494441] Hardware name: PRIMERGY            
Nov  7 16:20:16 luna kernel: [ 6838.494444] Modules linked in: nfsd lockd nfs_acl auth_rpcgss autofs4 sunrpc 8021q garp stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf cachefiles fscache ipv6 btrfs zlib_deflate crc32c libcrc32c ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput ppdev parport_pc parport sg pcspkr i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support tg3 shpchp pci_hotplug i3000_edac edac_core ext4 mbcache jbd2 crc16 sd_mod crc_t10dif megaraid_sas sr_mod cdrom floppy pata_acpi ata_generic ata_piix libata scsi_mod [last unloaded: microcode]
Nov  7 16:20:16 luna kernel: [ 6838.494504] Pid: 20575, comm: touch Tainted: G        W   3.1.0mod+ #1
Nov  7 16:20:16 luna kernel: [ 6838.494507] Call Trace:
Nov  7 16:20:16 luna kernel: [ 6838.494516]  [<ffffffff8104b6fe>] warn_slowpath_common+0x85/0x9d
Nov  7 16:20:16 luna kernel: [ 6838.494521]  [<ffffffff8104b730>] warn_slowpath_null+0x1a/0x1c
Nov  7 16:20:16 luna kernel: [ 6838.494542]  [<ffffffffa03035b0>] io_ctl_map_page+0x29/0x76 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494563]  [<ffffffffa0303790>] io_ctl_check_crc+0x62/0xd0 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494569]  [<ffffffff811cb564>] ? rb_insert_color+0x68/0xe5
Nov  7 16:20:16 luna kernel: [ 6838.494590]  [<ffffffffa0303832>] io_ctl_read_bitmap+0x34/0x61 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494611]  [<ffffffffa0303202>] ? link_free_space+0x3f/0x54 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494632]  [<ffffffffa030528c>] __load_free_space_cache+0x2f1/0x35a [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494638]  [<ffffffff8112d21d>] ? igrab+0x1d/0x44
Nov  7 16:20:16 luna kernel: [ 6838.494658]  [<ffffffffa030548e>] load_free_space_cache+0xca/0x168 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494663]  [<ffffffff8110b3c9>] ? kmem_cache_alloc+0x31/0xec
Nov  7 16:20:16 luna kernel: [ 6838.494680]  [<ffffffffa02c7507>] cache_block_group+0xa3/0x1f2 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494697]  [<ffffffffa02cabf4>] find_free_extent+0x478/0xa48 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494715]  [<ffffffffa02cb279>] btrfs_reserve_extent+0xb5/0x1c4 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494732]  [<ffffffffa02cb508>] btrfs_alloc_free_block+0x180/0x2a8 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494747]  [<ffffffffa02bd3b2>] __btrfs_cow_block+0x11d/0x3ba [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494770]  [<ffffffffa02ec297>] ? map_private_extent_buffer+0xa8/0xe8 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494785]  [<ffffffffa02bdb36>] btrfs_cow_block+0x108/0x152 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494800]  [<ffffffffa02bf855>] btrfs_search_slot+0x24e/0x6a9 [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494805]  [<ffffffff8110946c>] ? virt_to_head_page+0xe/0x31
Nov  7 16:20:16 luna kernel: [ 6838.494820]  [<ffffffffa02bceb4>] ? btrfs_free_path+0x2a/0x2f [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494835]  [<ffffffffa02c088d>] btrfs_insert_empty_items+0x6a/0xbc [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494857]  [<ffffffffa02da665>] btrfs_new_inode+0x160/0x36d [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494877]  [<ffffffffa02d6f00>] ? start_transaction+0x200/0x24d [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494898]  [<ffffffffa02dd710>] btrfs_create+0xae/0x19a [btrfs]
Nov  7 16:20:16 luna kernel: [ 6838.494904]  [<ffffffff811240c8>] vfs_create+0x6c/0x8e
Nov  7 16:20:16 luna kernel: [ 6838.494908]  [<ffffffff81124f3e>] do_last+0x237/0x57a
Nov  7 16:20:16 luna kernel: [ 6838.494912]  [<ffffffff81125809>] path_openat+0xcf/0x313
Nov  7 16:20:16 luna kernel: [ 6838.494917]  [<ffffffff81125b46>] do_filp_open+0x3d/0x89
Nov  7 16:20:16 luna kernel: [ 6838.494922]  [<ffffffff811d149e>] ? strncpy_from_user+0x48/0x76
Nov  7 16:20:16 luna kernel: [ 6838.494927]  [<ffffffff8112fc9b>] ? alloc_fd+0x7b/0x123
Nov  7 16:20:16 luna kernel: [ 6838.494932]  [<ffffffff8111877f>] do_sys_open+0x73/0x105
Nov  7 16:20:16 luna kernel: [ 6838.494936]  [<ffffffff81118844>] sys_open+0x20/0x22
Nov  7 16:20:16 luna kernel: [ 6838.494941]  [<ffffffff813af4c2>] system_call_fastpath+0x16/0x1b
Nov  7 16:20:16 luna kernel: [ 6838.494945] ---[ end trace 3f7da847bea10c60 ]---
Nov  7 16:20:16 luna kernel: [ 6838.495117] btrfs: csum mismatch on free space cache
Nov  7 16:20:16 luna kernel: [ 6838.495374] btrfs: failed to load free space cache for block group 29360128