Hi, Chris, (2011/11/04 8:43), Tsutomu Itoh wrote: > (2011/11/03 20:19), Chris Mason wrote: >> On Thu, Nov 03, 2011 at 10:25:23AM +0900, Tsutomu Itoh wrote: >>> In integration-scrub branch, following warning messages were displayed by >>> running xfstests. >>> >>> # btrfs fi sh /dev/sdd4 >>> Label: none uuid: 8f28d85c-e37c-4c1b-adef-2627ca59be78 >>> Total devices 2 FS bytes used 31.49MB >>> devid 1 size 9.31GB used 9.31GB path /dev/sdd4 >>> devid 2 size 15.01GB used 9.29GB path /dev/sdc1 >>> >>> Btrfs Btrfs v0.19 >>> # mount >>> ... >>> /dev/sdd4 on /test7 type btrfs (rw,compress=lzo) >>> # >>> >>> Thanks, >>> Tsutomu >>> >>> ==================================================================================== >>> >>> Nov 3 09:55:18 luna kernel: [ 939.732044] device fsid >>> 8f28d85c-e37c-4c1b-adef-2627ca59be78 devid 1 transid 20510 /dev/sdd4 >>> Nov 3 09:55:18 luna kernel: [ 939.732533] btrfs: use lzo compression >>> Nov 3 09:55:18 luna kernel: [ 939.732536] btrfs: disk space caching is >>> enabled >>> Nov 3 09:55:18 luna kernel: [ 939.898190] ------------[ cut here >>> ]------------ >>> Nov 3 09:55:18 luna kernel: [ 939.898223] WARNING: at >>> fs/btrfs/free-space-cache.c:305 io_ctl_map_page+0x29/0x76 [btrfs]() >>> Nov 3 09:55:18 luna kernel: [ 939.898227] Hardware name: PRIMERGY >>> Nov 3 09:55:18 luna kernel: [ 939.898229] Modules linked in: btrfs >>> zlib_deflate crc32c libcrc32c nfsd lockd nfs_acl auth_rpcgss autofs4 sunrpc >>> 8021q garp stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf >>> cachefiles fscache ipv6 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 3 09:55:18 luna kernel: [ 939.898291] Pid: 13337, comm: dd Not >>> tainted 3.1.0integ-sc+ #1 >>> Nov 3 09:55:18 luna kernel: [ 939.898294] Call Trace: >>> Nov 3 09:55:18 luna kernel: [ 939.898303] [<ffffffff8104b6fe>] >>> warn_slowpath_common+0x85/0x9d >>> Nov 3 09:55:18 luna kernel: [ 939.898308] [<ffffffff8104b730>] >>> warn_slowpath_null+0x1a/0x1c >>> Nov 3 09:55:18 luna kernel: [ 939.898328] [<ffffffffa0477507>] >>> io_ctl_map_page+0x29/0x76 [btrfs] >>> Nov 3 09:55:18 luna kernel: [ 939.898349] [<ffffffffa0477733>] >>> io_ctl_check_crc+0x62/0xdd [btrfs] >> >> Looks like io_ctl_read_bitmap will call io_ctl_check_crc with a mapped >> page mapped. Any chance you're able to reproduce this? > > Yes. > However, because the panic that David reported occurs, I cannot reproduce > this problem though I executed xfstests again.
In for-linus branch, I was able to reproduce this problem. The message log is attached to this mail. Thanks, Tsutomu
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