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
