* btrfs: error -5 while searching for dev_stats item for device
@ 2013-05-18 12:47 Kai Krakow
2013-05-18 12:56 ` Kai Krakow
0 siblings, 1 reply; 2+ messages in thread
From: Kai Krakow @ 2013-05-18 12:47 UTC (permalink / raw)
To: linux-btrfs
Hey list!
Here's another backtrace observed while deduplicating my snapshotted btrfs
backup volume...
https://gist.github.com/kakra/26b377cccfc66ab870e4
[58198.314804] btrfs: error -5 while searching for dev_stats item for device
/dev/sdd1!
[58198.314807] ------------[ cut here ]------------
[58198.314812] WARNING: at fs/btrfs/transaction.c:913
commit_cowonly_roots+0xb4/0x22b()
[58198.314813] Hardware name: To Be Filled By O.E.M.
[58198.314814] Modules linked in: bnep bluetooth ipt_MASQUERADE
nf_conntrack_netbios_ns nf_conntrack_broadcast xt_tcpudp ip6table_mangle
ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables
iptable_nat nf_nat_ipv4 nf_nat iptable_mangle ipt_REJECT nf_conntrack_ipv4
nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables
af_packet vmblock(O) vsock vmmon(O) vmci(O) vmnet(O) reiserfs snd_usb_audio
snd_usbmidi_lib snd_rawmidi snd_seq_device gspca_sonixj gspca_main gpio_ich
videodev coretemp hwmon kvm_intel kvm crc32_pclmul crc32c_intel lpc_ich
mfd_core i2c_i801 r8169 microcode pcspkr evdev usb_storage zram(C) unix
[58198.314841] Pid: 13751, comm: umount Tainted: G C O 3.9.2-gentoo
#1
[58198.314842] Call Trace:
[58198.314847] [<ffffffff8102f11d>] ? warn_slowpath_common+0x78/0x8e
[58198.314849] [<ffffffff8117ef77>] ? commit_cowonly_roots+0xb4/0x22b
[58198.314852] [<ffffffff8104f6b8>] ? should_resched+0x5/0x23
[58198.314854] [<ffffffff811808a8>] ? btrfs_commit_transaction+0x452/0x845
[58198.314857] [<ffffffff81049e3a>] ? add_wait_queue+0x3c/0x3c
[58198.314859] [<ffffffff811815d1>] ?
btrfs_attach_transaction_barrier+0x15/0x38
[58198.314862] [<ffffffff8111a5fd>] ? __sync_filesystem+0x32/0x44
[58198.314865] [<ffffffff810f9366>] ? generic_shutdown_super+0x26/0xbf
[58198.314867] [<ffffffff810f9467>] ? kill_anon_super+0x9/0x11
[58198.314870] [<ffffffff8115bfe8>] ? btrfs_kill_super+0xd/0x16
[58198.314872] [<ffffffff810f9517>] ? deactivate_locked_super+0x2c/0x56
[58198.314875] [<ffffffff8110df45>] ? sys_umount+0x2d1/0x303
[58198.314879] [<ffffffff81516792>] ? system_call_fastpath+0x16/0x1b
[58198.314880] ---[ end trace 2657d62297fa95d1 ]---
[58198.314907] ------------[ cut here ]------------
[58198.314910] WARNING: at fs/btrfs/super.c:255
__btrfs_abort_transaction+0x4b/0xd2()
[58198.314911] Hardware name: To Be Filled By O.E.M.
[58198.314912] btrfs: Transaction aborted
[58198.314913] Modules linked in: bnep bluetooth ipt_MASQUERADE
nf_conntrack_netbios_ns nf_conntrack_broadcast xt_tcpudp ip6table_mangle
ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables
iptable_nat nf_nat_ipv4 nf_nat iptable_mangle ipt_REJECT nf_conntrack_ipv4
nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables
af_packet vmblock(O) vsock vmmon(O) vmci(O) vmnet(O) reiserfs snd_usb_audio
snd_usbmidi_lib snd_rawmidi snd_seq_device gspca_sonixj gspca_main gpio_ich
videodev coretemp hwmon kvm_intel kvm crc32_pclmul crc32c_intel lpc_ich
mfd_core i2c_i801 r8169 microcode pcspkr evdev usb_storage zram(C) unix
[58198.314931] Pid: 13751, comm: umount Tainted: G WC O 3.9.2-gentoo
#1
[58198.314932] Call Trace:
[58198.314934] [<ffffffff8102f11d>] ? warn_slowpath_common+0x78/0x8e
[58198.314936] [<ffffffff8102f1cb>] ? warn_slowpath_fmt+0x45/0x4a
[58198.314938] [<ffffffff81160f10>] ? __btrfs_abort_transaction+0x4b/0xd2
[58198.314940] [<ffffffff8116d8e4>] ? __btrfs_free_extent+0x5d8/0x605
[58198.314942] [<ffffffff81170901>] ? run_clustered_refs+0x765/0x80a
[58198.314945] [<ffffffff8117372f>] ? btrfs_run_delayed_refs+0x215/0x39c
[58198.314948] [<ffffffff811cde40>] ? btrfs_dev_replace_unlock+0x8a/0x99
[58198.314949] [<ffffffff811cea5f>] ? btrfs_run_dev_replace+0x41/0x2a6
[58198.314951] [<ffffffff8117efbf>] ? commit_cowonly_roots+0xfc/0x22b
[58198.314953] [<ffffffff8104f6b8>] ? should_resched+0x5/0x23
[58198.314955] [<ffffffff811808a8>] ? btrfs_commit_transaction+0x452/0x845
[58198.314957] [<ffffffff81049e3a>] ? add_wait_queue+0x3c/0x3c
[58198.314959] [<ffffffff811815d1>] ?
btrfs_attach_transaction_barrier+0x15/0x38
[58198.314961] [<ffffffff8111a5fd>] ? __sync_filesystem+0x32/0x44
[58198.314963] [<ffffffff810f9366>] ? generic_shutdown_super+0x26/0xbf
[58198.314965] [<ffffffff810f9467>] ? kill_anon_super+0x9/0x11
[58198.314967] [<ffffffff8115bfe8>] ? btrfs_kill_super+0xd/0x16
[58198.314968] [<ffffffff810f9517>] ? deactivate_locked_super+0x2c/0x56
[58198.314971] [<ffffffff8110df45>] ? sys_umount+0x2d1/0x303
[58198.314973] [<ffffffff81516792>] ? system_call_fastpath+0x16/0x1b
[58198.314974] ---[ end trace 2657d62297fa95d2 ]---
[58198.314976] BTRFS error (device sdd1) in __btrfs_free_extent:5394: IO
failure
[58198.314977] btrfs is forced readonly
[58198.314978] btrfs: run_one_delayed_ref returned -5
[58198.314980] BTRFS error (device sdd1) in btrfs_run_delayed_refs:2565: IO
failure
[58198.314987] ------------[ cut here ]------------
[58198.315010] kernel BUG at fs/btrfs/transaction.c:922!
[58198.315031] invalid opcode: 0000 [#1] SMP
[58198.315052] Modules linked in: bnep bluetooth ipt_MASQUERADE
nf_conntrack_netbios_ns nf_conntrack_broadcast xt_tcpudp ip6table_mangle
ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables
iptable_nat nf_nat_ipv4 nf_nat iptable_mangle ipt_REJECT nf_conntrack_ipv4
nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables
af_packet vmblock(O) vsock vmmon(O) vmci(O) vmnet(O) reiserfs snd_usb_audio
snd_usbmidi_lib snd_rawmidi snd_seq_device gspca_sonixj gspca_main gpio_ich
videodev coretemp hwmon kvm_intel kvm crc32_pclmul crc32c_intel lpc_ich
mfd_core i2c_i801 r8169 microcode pcspkr evdev usb_storage zram(C) unix
[58198.315353] CPU 0
[58198.315363] Pid: 13751, comm: umount Tainted: G WC O 3.9.2-gentoo
#1 To Be Filled By O.E.M. To Be Filled By O.E.M./Z68 Pro3
[58198.315409] RIP: 0010:[<ffffffff8117efd7>] [<ffffffff8117efd7>]
commit_cowonly_roots+0x114/0x22b
[58198.315446] RSP: 0018:ffff880196dcdd78 EFLAGS: 00010282
[58198.315468] RAX: ffff8802ca859028 RBX: ffff8802ca858000 RCX:
0000000000000007
[58198.315496] RDX: 0000000070810001 RSI: 0000000000000046 RDI:
ffff88041f20cdd0
[58198.315525] RBP: ffff8802c906b000 R08: 0000000000000002 R09:
0000000000000000
[58198.315553] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88040160e8c0
[58198.315581] R13: 00000000fffffffb R14: ffff8803d2061e88 R15:
0000000000000000
[58198.315609] FS: 00007f893f3e4780(0000) GS:ffff88041f200000(0000)
knlGS:0000000000000000
[58198.315641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[58198.315664] CR2: 0000003b1562f8db CR3: 0000000165d87000 CR4:
00000000000407f0
[58198.315692] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[58198.315720] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[58198.315749] Process umount (pid: 13751, threadinfo ffff880196dcc000, task
ffff880368ca0700)
[58198.315781] Stack:
[58198.315790] ffff88029ba20000 ffff8801eadd6000 ffff88029ba22800
ffff8802ca859028
[58198.315824] ffff880255d2a800 ffff8801cc048bd0 ffffffff8104f6b8
ffff8802c906b000
[58198.315858] ffff88040160e8c0 0000000000000000 ffff8803d2061e10
ffff8803d2061e88
[58198.315900] Call Trace:
[58198.315911] [<ffffffff8104f6b8>] ? should_resched+0x5/0x23
[58198.315934] [<ffffffff811808a8>] ? btrfs_commit_transaction+0x452/0x845
[58198.315968] [<ffffffff81049e3a>] ? add_wait_queue+0x3c/0x3c
[58198.315992] [<ffffffff811815d1>] ?
btrfs_attach_transaction_barrier+0x15/0x38
[58198.316022] [<ffffffff8111a5fd>] ? __sync_filesystem+0x32/0x44
[58198.316058] [<ffffffff810f9366>] ? generic_shutdown_super+0x26/0xbf
[58198.316084] [<ffffffff810f9467>] ? kill_anon_super+0x9/0x11
[58198.316106] [<ffffffff8115bfe8>] ? btrfs_kill_super+0xd/0x16
[58198.316129] [<ffffffff810f9517>] ? deactivate_locked_super+0x2c/0x56
[58198.316155] [<ffffffff8110df45>] ? sys_umount+0x2d1/0x303
[58198.316178] [<ffffffff81516792>] ? system_call_fastpath+0x16/0x1b
[58198.316210] Code: 74 02 0f 0b 48 83 ca ff 48 89 ee 4c 89 e7 e8 5b 45 ff
ff 41 89 c5 48 8d 83 28 10 00 00 45 85 ed 48 89 44 24 18 0f 84 cb 00 00 00
<0f> 0b 48 8b 45 08 4c 8d b5 d8 fb ff ff 4c 89 e7 48 8b 55 00 4d
[58198.316377] RIP [<ffffffff8117efd7>] commit_cowonly_roots+0x114/0x22b
[58198.316404] RSP <ffff880196dcdd78>
[58198.511604] ---[ end trace 2657d62297fa95d3 ]---
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: btrfs: error -5 while searching for dev_stats item for device
2013-05-18 12:47 btrfs: error -5 while searching for dev_stats item for device Kai Krakow
@ 2013-05-18 12:56 ` Kai Krakow
0 siblings, 0 replies; 2+ messages in thread
From: Kai Krakow @ 2013-05-18 12:56 UTC (permalink / raw)
To: linux-btrfs
Actually, it seems to be the result of some USB hickup:
[50463.744357] device label usb-backup devid 1 transid 11907 /dev/sdd1
[58191.598683] xhci_hcd 0000:05:00.0: Timeout while waiting for address
device command
[58196.801878] xhci_hcd 0000:05:00.0: Timeout while waiting for address
device command
[58197.005195] usb 4-1: device not accepting address 2, error -62
[58197.088600] usb 4-1: USB disconnect, device number 2
[58197.091862] scsi 6:0:0:0: rejecting I/O to offline device
[58197.091868] scsi 6:0:0:0: [sdd] killing request
[58197.091874] btrfs: bdev /dev/sdd1 errs: wr 0, rd 1, flush 0, corrupt 0,
gen 0
[58197.091883] btrfs: bdev /dev/sdd1 errs: wr 0, rd 2, flush 0, corrupt 0,
gen 0
[58197.091888] btrfs: bdev /dev/sdd1 errs: wr 0, rd 3, flush 0, corrupt 0,
gen 0
[58197.091892] btrfs: bdev /dev/sdd1 errs: wr 0, rd 4, flush 0, corrupt 0,
gen 0
[58197.091899] btrfs: bdev /dev/sdd1 errs: wr 0, rd 5, flush 0, corrupt 0,
gen 0
[58197.091905] btrfs: bdev /dev/sdd1 errs: wr 0, rd 6, flush 0, corrupt 0,
gen 0
[58197.091909] btrfs: bdev /dev/sdd1 errs: wr 0, rd 7, flush 0, corrupt 0,
gen 0
[58197.091913] btrfs: bdev /dev/sdd1 errs: wr 0, rd 8, flush 0, corrupt 0,
gen 0
[58197.091917] btrfs: bdev /dev/sdd1 errs: wr 0, rd 9, flush 0, corrupt 0,
gen 0
[58197.091922] btrfs: bdev /dev/sdd1 errs: wr 0, rd 10, flush 0, corrupt 0,
gen 0
[58197.092211] scsi 6:0:0:0: [sdd] Unhandled error code
[58197.092213] scsi 6:0:0:0: [sdd]
[58197.092214] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
[58197.092215] scsi 6:0:0:0: [sdd] CDB:
[58197.092216] Read(10): 28 00 19 b8 47 a0 00 00 f0 00
[58197.092222] end_request: I/O error, dev sdd, sector 431507360
[58197.102223] xhci_hcd 0000:05:00.0: xHCI xhci_drop_endpoint called with
disabled ep ffff880407a2df80
[58197.102225] xhci_hcd 0000:05:00.0: xHCI xhci_drop_endpoint called with
disabled ep ffff880407a2dfc0
[58197.171953] xhci_hcd 0000:05:00.0: Bad Slot ID 1
[58197.171959] xhci_hcd 0000:05:00.0: Could not allocate xHCI USB device
data structures
[58197.171966] hub 3-0:1.0: couldn't allocate port 1 usb_device
[58198.311938] zcache: destroyed local pool id=2
[58198.314804] btrfs: error -5 while searching for dev_stats item for device
/dev/sdd1!
Kai Krakow <hurikhan77+btrfs@gmail.com> schrieb:
> Hey list!
>
> Here's another backtrace observed while deduplicating my snapshotted btrfs
> backup volume...
>
> https://gist.github.com/kakra/26b377cccfc66ab870e4
>
> [58198.314804] btrfs: error -5 while searching for dev_stats item for
> [device
> /dev/sdd1!
> [58198.314807] ------------[ cut here ]------------
> [58198.314812] WARNING: at fs/btrfs/transaction.c:913
> commit_cowonly_roots+0xb4/0x22b()
> [58198.314813] Hardware name: To Be Filled By O.E.M.
> [58198.314814] Modules linked in: bnep bluetooth ipt_MASQUERADE
> nf_conntrack_netbios_ns nf_conntrack_broadcast xt_tcpudp ip6table_mangle
> ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables
> iptable_nat nf_nat_ipv4 nf_nat iptable_mangle ipt_REJECT nf_conntrack_ipv4
> nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables
> af_packet vmblock(O) vsock vmmon(O) vmci(O) vmnet(O) reiserfs
> snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device gspca_sonixj
> gspca_main gpio_ich videodev coretemp hwmon kvm_intel kvm crc32_pclmul
> crc32c_intel lpc_ich mfd_core i2c_i801 r8169 microcode pcspkr evdev
> usb_storage zram(C) unix
> [58198.314841] Pid: 13751, comm: umount Tainted: G C O
> [3.9.2-gentoo
> #1
> [58198.314842] Call Trace:
> [58198.314847] [<ffffffff8102f11d>] ? warn_slowpath_common+0x78/0x8e
> [58198.314849] [<ffffffff8117ef77>] ? commit_cowonly_roots+0xb4/0x22b
> [58198.314852] [<ffffffff8104f6b8>] ? should_resched+0x5/0x23
> [58198.314854] [<ffffffff811808a8>] ?
> [btrfs_commit_transaction+0x452/0x845
> [58198.314857] [<ffffffff81049e3a>] ? add_wait_queue+0x3c/0x3c
> [58198.314859] [<ffffffff811815d1>] ?
> btrfs_attach_transaction_barrier+0x15/0x38
> [58198.314862] [<ffffffff8111a5fd>] ? __sync_filesystem+0x32/0x44
> [58198.314865] [<ffffffff810f9366>] ? generic_shutdown_super+0x26/0xbf
> [58198.314867] [<ffffffff810f9467>] ? kill_anon_super+0x9/0x11
> [58198.314870] [<ffffffff8115bfe8>] ? btrfs_kill_super+0xd/0x16
> [58198.314872] [<ffffffff810f9517>] ? deactivate_locked_super+0x2c/0x56
> [58198.314875] [<ffffffff8110df45>] ? sys_umount+0x2d1/0x303
> [58198.314879] [<ffffffff81516792>] ? system_call_fastpath+0x16/0x1b
> [58198.314880] ---[ end trace 2657d62297fa95d1 ]---
> [58198.314907] ------------[ cut here ]------------
> [58198.314910] WARNING: at fs/btrfs/super.c:255
> __btrfs_abort_transaction+0x4b/0xd2()
> [58198.314911] Hardware name: To Be Filled By O.E.M.
> [58198.314912] btrfs: Transaction aborted
> [58198.314913] Modules linked in: bnep bluetooth ipt_MASQUERADE
> nf_conntrack_netbios_ns nf_conntrack_broadcast xt_tcpudp ip6table_mangle
> ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables
> iptable_nat nf_nat_ipv4 nf_nat iptable_mangle ipt_REJECT nf_conntrack_ipv4
> nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables
> af_packet vmblock(O) vsock vmmon(O) vmci(O) vmnet(O) reiserfs
> snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device gspca_sonixj
> gspca_main gpio_ich videodev coretemp hwmon kvm_intel kvm crc32_pclmul
> crc32c_intel lpc_ich mfd_core i2c_i801 r8169 microcode pcspkr evdev
> usb_storage zram(C) unix
> [58198.314931] Pid: 13751, comm: umount Tainted: G WC O
> [3.9.2-gentoo
> #1
> [58198.314932] Call Trace:
> [58198.314934] [<ffffffff8102f11d>] ? warn_slowpath_common+0x78/0x8e
> [58198.314936] [<ffffffff8102f1cb>] ? warn_slowpath_fmt+0x45/0x4a
> [58198.314938] [<ffffffff81160f10>] ? __btrfs_abort_transaction+0x4b/0xd2
> [58198.314940] [<ffffffff8116d8e4>] ? __btrfs_free_extent+0x5d8/0x605
> [58198.314942] [<ffffffff81170901>] ? run_clustered_refs+0x765/0x80a
> [58198.314945] [<ffffffff8117372f>] ? btrfs_run_delayed_refs+0x215/0x39c
> [58198.314948] [<ffffffff811cde40>] ? btrfs_dev_replace_unlock+0x8a/0x99
> [58198.314949] [<ffffffff811cea5f>] ? btrfs_run_dev_replace+0x41/0x2a6
> [58198.314951] [<ffffffff8117efbf>] ? commit_cowonly_roots+0xfc/0x22b
> [58198.314953] [<ffffffff8104f6b8>] ? should_resched+0x5/0x23
> [58198.314955] [<ffffffff811808a8>] ?
> [btrfs_commit_transaction+0x452/0x845
> [58198.314957] [<ffffffff81049e3a>] ? add_wait_queue+0x3c/0x3c
> [58198.314959] [<ffffffff811815d1>] ?
> btrfs_attach_transaction_barrier+0x15/0x38
> [58198.314961] [<ffffffff8111a5fd>] ? __sync_filesystem+0x32/0x44
> [58198.314963] [<ffffffff810f9366>] ? generic_shutdown_super+0x26/0xbf
> [58198.314965] [<ffffffff810f9467>] ? kill_anon_super+0x9/0x11
> [58198.314967] [<ffffffff8115bfe8>] ? btrfs_kill_super+0xd/0x16
> [58198.314968] [<ffffffff810f9517>] ? deactivate_locked_super+0x2c/0x56
> [58198.314971] [<ffffffff8110df45>] ? sys_umount+0x2d1/0x303
> [58198.314973] [<ffffffff81516792>] ? system_call_fastpath+0x16/0x1b
> [58198.314974] ---[ end trace 2657d62297fa95d2 ]---
> [58198.314976] BTRFS error (device sdd1) in __btrfs_free_extent:5394: IO
> failure
> [58198.314977] btrfs is forced readonly
> [58198.314978] btrfs: run_one_delayed_ref returned -5
> [58198.314980] BTRFS error (device sdd1) in btrfs_run_delayed_refs:2565:
> [IO
> failure
> [58198.314987] ------------[ cut here ]------------
> [58198.315010] kernel BUG at fs/btrfs/transaction.c:922!
> [58198.315031] invalid opcode: 0000 [#1] SMP
> [58198.315052] Modules linked in: bnep bluetooth ipt_MASQUERADE
> nf_conntrack_netbios_ns nf_conntrack_broadcast xt_tcpudp ip6table_mangle
> ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables
> iptable_nat nf_nat_ipv4 nf_nat iptable_mangle ipt_REJECT nf_conntrack_ipv4
> nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables
> af_packet vmblock(O) vsock vmmon(O) vmci(O) vmnet(O) reiserfs
> snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device gspca_sonixj
> gspca_main gpio_ich videodev coretemp hwmon kvm_intel kvm crc32_pclmul
> crc32c_intel lpc_ich mfd_core i2c_i801 r8169 microcode pcspkr evdev
> usb_storage zram(C) unix
> [58198.315353] CPU 0
> [58198.315363] Pid: 13751, comm: umount Tainted: G WC O
> [3.9.2-gentoo
> #1 To Be Filled By O.E.M. To Be Filled By O.E.M./Z68 Pro3
> [58198.315409] RIP: 0010:[<ffffffff8117efd7>] [<ffffffff8117efd7>]
> commit_cowonly_roots+0x114/0x22b
> [58198.315446] RSP: 0018:ffff880196dcdd78 EFLAGS: 00010282
> [58198.315468] RAX: ffff8802ca859028 RBX: ffff8802ca858000 RCX:
> 0000000000000007
> [58198.315496] RDX: 0000000070810001 RSI: 0000000000000046 RDI:
> ffff88041f20cdd0
> [58198.315525] RBP: ffff8802c906b000 R08: 0000000000000002 R09:
> 0000000000000000
> [58198.315553] R10: 0000000000000000 R11: 0000000000000000 R12:
> ffff88040160e8c0
> [58198.315581] R13: 00000000fffffffb R14: ffff8803d2061e88 R15:
> 0000000000000000
> [58198.315609] FS: 00007f893f3e4780(0000) GS:ffff88041f200000(0000)
> knlGS:0000000000000000
> [58198.315641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [58198.315664] CR2: 0000003b1562f8db CR3: 0000000165d87000 CR4:
> 00000000000407f0
> [58198.315692] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [58198.315720] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [58198.315749] Process umount (pid: 13751, threadinfo ffff880196dcc000,
> [task
> ffff880368ca0700)
> [58198.315781] Stack:
> [58198.315790] ffff88029ba20000 ffff8801eadd6000 ffff88029ba22800
> ffff8802ca859028
> [58198.315824] ffff880255d2a800 ffff8801cc048bd0 ffffffff8104f6b8
> ffff8802c906b000
> [58198.315858] ffff88040160e8c0 0000000000000000 ffff8803d2061e10
> ffff8803d2061e88
> [58198.315900] Call Trace:
> [58198.315911] [<ffffffff8104f6b8>] ? should_resched+0x5/0x23
> [58198.315934] [<ffffffff811808a8>] ?
> [btrfs_commit_transaction+0x452/0x845
> [58198.315968] [<ffffffff81049e3a>] ? add_wait_queue+0x3c/0x3c
> [58198.315992] [<ffffffff811815d1>] ?
> btrfs_attach_transaction_barrier+0x15/0x38
> [58198.316022] [<ffffffff8111a5fd>] ? __sync_filesystem+0x32/0x44
> [58198.316058] [<ffffffff810f9366>] ? generic_shutdown_super+0x26/0xbf
> [58198.316084] [<ffffffff810f9467>] ? kill_anon_super+0x9/0x11
> [58198.316106] [<ffffffff8115bfe8>] ? btrfs_kill_super+0xd/0x16
> [58198.316129] [<ffffffff810f9517>] ? deactivate_locked_super+0x2c/0x56
> [58198.316155] [<ffffffff8110df45>] ? sys_umount+0x2d1/0x303
> [58198.316178] [<ffffffff81516792>] ? system_call_fastpath+0x16/0x1b
> [58198.316210] Code: 74 02 0f 0b 48 83 ca ff 48 89 ee 4c 89 e7 e8 5b 45 ff
> ff 41 89 c5 48 8d 83 28 10 00 00 45 85 ed 48 89 44 24 18 0f 84 cb 00 00 00
> <0f> 0b 48 8b 45 08 4c 8d b5 d8 fb ff ff 4c 89 e7 48 8b 55 00 4d
> [58198.316377] RIP [<ffffffff8117efd7>] commit_cowonly_roots+0x114/0x22b
> [58198.316404] RSP <ffff880196dcdd78>
> [58198.511604] ---[ end trace 2657d62297fa95d3 ]---
>
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2013-05-18 12:47 btrfs: error -5 while searching for dev_stats item for device Kai Krakow
2013-05-18 12:56 ` Kai Krakow
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