From: anand jain <anand.jain@oracle.com>
To: Joeri Vanthienen <mail@joerivanthienen.be>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: panic BTRFS error (device sdp) in __btrfs_inc_extent_ref:1935: Object already exists [Linux 3.8.4]
Date: Tue, 21 May 2013 18:40:02 +0800 [thread overview]
Message-ID: <519B4F02.3060301@oracle.com> (raw)
In-Reply-To: <CAPsrAuDfFLFPVVkya3WZDZnjc-ChWQr5NNrFXWBXGUcvadvTwA@mail.gmail.com>
This is fixed with patch
[PATCH] Btrfs: compare relevant parts of delayed tree refs
in 3.9 upgrade should help.
On 21/05/2013 16:37, Joeri Vanthienen wrote:
> Hi all,
>
> I tried to replace a failed device in a btrfs filesystem on Linux kernel 3.8.4.
> After adding a new harddisk (/dev/sdf) to the btrfs pool and removing
> the failed device with "btrfs device delete missing /btrfs" the server
> panicked.
> We can still mount the filesystem in degraded mode, what are the
> options to resolve this :) ?
>
> SANOS1:~ # btrfs fi show
> Label: 'firstpool' uuid: 517e8cfa-4275-4589-8da4-6a46ad613daa
> Total devices 15 FS bytes used 2.68TB
> devid 14 size 931.51GB used 394.87GB path /dev/sdp
> devid 13 size 931.51GB used 394.87GB path /dev/sdo
> devid 12 size 931.51GB used 394.87GB path /dev/sdn
> devid 11 size 931.51GB used 394.87GB path /dev/sdm
> devid 10 size 931.51GB used 394.87GB path /dev/sdl
> devid 9 size 931.51GB used 394.87GB path /dev/sdk
> devid 8 size 931.51GB used 394.87GB path /dev/sdj
> devid 7 size 931.51GB used 394.87GB path /dev/sdi
> devid 6 size 931.51GB used 394.87GB path /dev/sdh
> devid 16 size 931.51GB used 373.29GB path /dev/sdf
> devid 5 size 931.51GB used 394.87GB path /dev/sdg
> devid 15 size 931.51GB used 394.87GB path /dev/sde
> devid 2 size 931.51GB used 394.87GB path /dev/sdd
> devid 1 size 931.51GB used 394.87GB path /dev/sdc
> *** Some devices missing
>
> May 20 22:54:00 SANOS1 kernel: btrfs: found 3289 extents
> May 20 22:54:07 SANOS1 kernel: ------------[ cut here ]------------
> May 20 22:54:07 SANOS1 kernel: WARNING: at fs/btrfs/delayed-ref.c:454
> update_existing_ref+0x109/0x140 [btrfs]()
> May 20 22:54:07 SANOS1 kernel: Hardware name: X8DTN+-F
> May 20 22:54:07 SANOS1 kernel: Modules linked in: joydev st sr_mod
> cdrom dm_mod iscsi_scst(O) scst_vdisk(O) scst(O) loop btrfs
> zlib_deflate libcrc32c mpt2sas raid_class cpufreq_conservative
> cpufreq_userspace cpufreq_powersave iTCO_wdt acpi_cpufreq mperf sg ses
> ixgbe igb ptp pps_core iTCO_vendor_support coretemp mdio kvm_intel kvm
> crc32c_intel pcspkr serio_raw i2c_i801 lpc_ich mfd_core enclosure
> ioatdma i7core_edac edac_core dca mptctl button edd binfmt_misc
> microcode autofs4 processor thermal_sys scsi_dh_emc scsi_dh_rdac
> scsi_dh_alua scsi_dh_hp_sw scsi_dh mptsas mptscsih mptbase
> scsi_transport_sas ata_generic ata_piix [last unloaded: scst]
> May 20 22:54:07 SANOS1 kernel: Pid: 9181, comm: btrfs Tainted: G
> O 3.8.4-SCST-1 #2
> May 20 22:54:07 SANOS1 kernel: Call Trace:
> May 20 22:54:07 SANOS1 kernel: [<ffffffff8104457a>] ?
> warn_slowpath_common+0x7a/0xb0
> May 20 22:54:07 SANOS1 kernel: [<ffffffff810445c5>] ?
> warn_slowpath_null+0x15/0x20
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa04541f9>] ?
> update_existing_ref+0x109/0x140 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045448a>] ?
> add_delayed_tree_ref+0xca/0x1a0 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045405a>] ?
> add_delayed_ref_head.isra.7+0xca/0x160 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0454c82>] ?
> btrfs_add_delayed_tree_ref+0xf2/0x170 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa03fff69>] ?
> btrfs_free_extent+0x99/0xf0 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0458a62>] ?
> replace_path+0x782/0x7f0 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045b528>] ?
> merge_reloc_root+0x1f8/0x510 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa03eeff5>] ?
> btrfs_free_path+0x25/0x30 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045b94a>] ?
> merge_reloc_roots+0x10a/0x140 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045be36>] ?
> relocate_block_group+0x266/0x690 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045c405>] ?
> btrfs_relocate_block_group+0x1a5/0x2e0 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0434990>] ?
> btrfs_relocate_chunk.isra.56+0x70/0x730 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa04310d2>] ?
> free_extent_buffer+0x32/0x90 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0438a71>] ?
> btrfs_shrink_device+0x1f1/0x420 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa043bbbd>] ?
> btrfs_rm_device+0x24d/0x770 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0443791>] ?
> btrfs_ioctl+0xb11/0x1b00 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa04437b3>] ?
> btrfs_ioctl+0xb33/0x1b00 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffff815c23b4>] ?
> __do_page_fault+0x234/0x4d0
> May 20 22:54:07 SANOS1 kernel: [<ffffffff8116fc4f>] ? do_vfs_ioctl+0x8f/0x530
> May 20 22:54:07 SANOS1 kernel: [<ffffffff8116d241>] ? final_putname+0x21/0x50
> May 20 22:54:07 SANOS1 kernel: [<ffffffff81170181>] ? sys_ioctl+0x91/0xb0
> May 20 22:54:07 SANOS1 kernel: [<ffffffff815c676d>] ?
> system_call_fastpath+0x1a/0x1f
> May 20 22:54:07 SANOS1 kernel: ---[ end trace 53a7c1fa7b405ba9 ]---
> May 20 22:54:07 SANOS1 kernel: ------------[ cut here ]------------
> May 20 22:54:07 SANOS1 kernel: WARNING: at fs/btrfs/super.c:256
> __btrfs_abort_transaction+0xb9/0xd0 [btrfs]()
> May 20 22:54:07 SANOS1 kernel: Hardware name: X8DTN+-F
> May 20 22:54:07 SANOS1 kernel: btrfs: Transaction aborted
> May 20 22:54:07 SANOS1 kernel: Modules linked in: joydev st sr_mod
> cdrom dm_mod iscsi_scst(O) scst_vdisk(O) scst(O) loop btrfs
> zlib_deflate libcrc32c mpt2sas raid_class cpufreq_conservative
> cpufreq_userspace cpufreq_powersave iTCO_wdt acpi_cpufreq mperf sg ses
> ixgbe igb ptp pps_core iTCO_vendor_support coretemp mdio kvm_intel kvm
> crc32c_intel pcspkr serio_raw i2c_i801 lpc_ich mfd_core enclosure
> ioatdma i7core_edac edac_core dca mptctl button edd binfmt_misc
> microcode autofs4 processor thermal_sys scsi_dh_emc scsi_dh_rdac
> scsi_dh_alua scsi_dh_hp_sw scsi_dh mptsas mptscsih mptbase
> scsi_transport_sas ata_generic ata_piix [last unloaded: scst]
> May 20 22:54:07 SANOS1 kernel: Pid: 9181, comm: btrfs Tainted: G
> W O 3.8.4-SCST-1 #2
> May 20 22:54:07 SANOS1 kernel: Call Trace:
> May 20 22:54:07 SANOS1 kernel: [<ffffffff8104457a>] ?
> warn_slowpath_common+0x7a/0xb0
> May 20 22:54:07 SANOS1 kernel: [<ffffffff81044651>] ?
> warn_slowpath_fmt+0x41/0x50
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa03ebe39>] ?
> __btrfs_abort_transaction+0xb9/0xd0 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa03fb140>] ?
> __btrfs_inc_extent_ref+0x1c0/0x210 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0400c8d>] ?
> run_clustered_refs+0x6cd/0xb60 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa03eec01>] ?
> btrfs_set_path_blocking+0x31/0x70 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa04048b0>] ?
> btrfs_run_delayed_refs+0xc0/0x2e0 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa03ef555>] ?
> btrfs_put_tree_mod_seq+0x105/0x150 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0414826>] ?
> __btrfs_end_transaction+0xe6/0x3f0 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0414b4e>] ?
> btrfs_end_transaction_throttle+0xe/0x10 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045b7ad>] ?
> merge_reloc_root+0x47d/0x510 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa03eeff5>] ?
> btrfs_free_path+0x25/0x30 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045b94a>] ?
> merge_reloc_roots+0x10a/0x140 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045be36>] ?
> relocate_block_group+0x266/0x690 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045c405>] ?
> btrfs_relocate_block_group+0x1a5/0x2e0 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0434990>] ?
> btrfs_relocate_chunk.isra.56+0x70/0x730 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa04310d2>] ?
> free_extent_buffer+0x32/0x90 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0438a71>] ?
> btrfs_shrink_device+0x1f1/0x420 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa043bbbd>] ?
> btrfs_rm_device+0x24d/0x770 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0443791>] ?
> btrfs_ioctl+0xb11/0x1b00 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa04437b3>] ?
> btrfs_ioctl+0xb33/0x1b00 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffff815c23b4>] ?
> __do_page_fault+0x234/0x4d0
> May 20 22:54:07 SANOS1 kernel: [<ffffffff8116fc4f>] ? do_vfs_ioctl+0x8f/0x530
> May 20 22:54:07 SANOS1 kernel: [<ffffffff8116d241>] ? final_putname+0x21/0x50
> May 20 22:54:07 SANOS1 kernel: [<ffffffff81170181>] ? sys_ioctl+0x91/0xb0
> May 20 22:54:07 SANOS1 kernel: [<ffffffff815c676d>] ?
> system_call_fastpath+0x1a/0x1f
> May 20 22:54:07 SANOS1 kernel: ---[ end trace 53a7c1fa7b405baa ]---
> May 20 22:54:07 SANOS1 kernel: BTRFS error (device sdp) in
> __btrfs_inc_extent_ref:1935: Object already exists
> May 20 22:54:07 SANOS1 kernel: btrfs is forced readonly
> May 20 22:54:07 SANOS1 kernel: ------------[ cut here ]------------
> May 20 22:54:07 SANOS1 kernel: kernel BUG at fs/btrfs/relocation.c:2278!
> May 20 22:54:07 SANOS1 kernel: invalid opcode: 0000 [#1] SMP
> May 20 22:54:07 SANOS1 kernel: Modules linked in: joydev st sr_mod
> cdrom dm_mod iscsi_scst(O) scst_vdisk(O) scst(O) loop btrfs
> zlib_deflate libcrc32c mpt2sas raid_class cpufreq_conservative
> cpufreq_userspace cpufreq_powersave iTCO_wdt acpi_cpufreq mperf sg ses
> ixgbe igb ptp pps_core iTCO_vendor_support coretemp mdio kvm_intel kvm
> crc32c_intel pcspkr serio_raw i2c_i801 lpc_ich mfd_core enclosure
> ioatdma i7core_edac edac_core dca mptctl button edd binfmt_misc
> microcode autofs4 processor thermal_sys scsi_dh_emc scsi_dh_rdac
> scsi_dh_alua scsi_dh_hp_sw scsi_dh mptsas mptscsih mptbase
> scsi_transport_sas ata_generic ata_piix [last unloaded: scst]
> May 20 22:54:07 SANOS1 kernel: CPU 0
> May 20 22:54:07 SANOS1 kernel: Pid: 9181, comm: btrfs Tainted: G
> W O 3.8.4-SCST-1 #2 Supermicro X8DTN+-F/X8DTN+-F
> May 20 22:54:07 SANOS1 kernel: RIP: 0010:[<ffffffffa045b972>]
> [<ffffffffa045b972>] merge_reloc_roots+0x132/0x140 [btrfs]
> May 20 22:54:07 SANOS1 kernel: RSP: 0018:ffff88038b99ba98 EFLAGS: 00010286
> May 20 22:54:07 SANOS1 kernel: RAX: 00000000ffffffe2 RBX:
> ffff88002cf81000 RCX: 00000000ffffffe2
> May 20 22:54:07 SANOS1 kernel: RDX: 0000000000000001 RSI:
> ffffffffa047c360 RDI: ffff88082d27e000
> May 20 22:54:07 SANOS1 kernel: RBP: ffff88038b99bac8 R08:
> 0000000000000000 R09: ffff8804aad365c0
> May 20 22:54:07 SANOS1 kernel: R10: ffff8800602834c0 R11:
> ffff88010469a940 R12: ffff88007a20b000
> May 20 22:54:07 SANOS1 kernel: R13: ffff88038b99ba98 R14:
> ffff88007a20b590 R15: ffff88007a20b000
> May 20 22:54:07 SANOS1 kernel: FS: 00007f82fbf8b740(0000)
> GS:ffff8804adc00000(0000) knlGS:0000000000000000
> May 20 22:54:07 SANOS1 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> May 20 22:54:07 SANOS1 kernel: CR2: 00007f57ea573210 CR3:
> 00000005e55d1000 CR4: 00000000000007f0
> May 20 22:54:07 SANOS1 kernel: DR0: 0000000000000000 DR1:
> 0000000000000000 DR2: 0000000000000000
> May 20 22:54:07 SANOS1 kernel: DR3: 0000000000000000 DR6:
> 00000000ffff0ff0 DR7: 0000000000000400
> May 20 22:54:07 SANOS1 kernel: Process btrfs (pid: 9181, threadinfo
> ffff88038b99a000, task ffff8802ce00c200)
> May 20 22:54:07 SANOS1 kernel: Stack:
> May 20 22:54:07 SANOS1 kernel: ffff8804a0fe1c40 ffff8803e8da6440
> 0000000000000000 ffff88007a20b020
> May 20 22:54:07 SANOS1 kernel: ffff88007a20b0e8 ffff88013ef8e640
> ffff88038b99bb58 ffffffffa045be36
> May 20 22:54:07 SANOS1 kernel: ffffea0019132140 ffff88038b99bb20
> 0000000000000001 0000000014e62280
> May 20 22:54:07 SANOS1 kernel: Call Trace:
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045be36>]
> relocate_block_group+0x266/0x690 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa045c405>]
> btrfs_relocate_block_group+0x1a5/0x2e0 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0434990>]
> btrfs_relocate_chunk.isra.56+0x70/0x730 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa04310d2>] ?
> free_extent_buffer+0x32/0x90 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0438a71>]
> btrfs_shrink_device+0x1f1/0x420 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa043bbbd>]
> btrfs_rm_device+0x24d/0x770 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa0443791>] ?
> btrfs_ioctl+0xb11/0x1b00 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffffa04437b3>]
> btrfs_ioctl+0xb33/0x1b00 [btrfs]
> May 20 22:54:07 SANOS1 kernel: [<ffffffff815c23b4>] ?
> __do_page_fault+0x234/0x4d0
> May 20 22:54:07 SANOS1 kernel: [<ffffffff8116fc4f>] do_vfs_ioctl+0x8f/0x530
> May 20 22:54:07 SANOS1 kernel: [<ffffffff8116d241>] ? final_putname+0x21/0x50
> May 20 22:54:07 SANOS1 kernel: [<ffffffff81170181>] sys_ioctl+0x91/0xb0
> May 20 22:54:07 SANOS1 kernel: [<ffffffff815c676d>]
> system_call_fastpath+0x1a/0x1f
> May 20 22:54:07 SANOS1 kernel: Code: f9 ff ff 85 c0 74 97 0f 0b 85 d2
> 0f 85 10 ff ff ff 49 83 bc 24 80 05 00 00 00 75 15 48 83 c4 10 31 c0
> 5b 41 5c 41 5d 41 5e 5d c3 <0f> 0b 0f 0b 0f 0b 0f 0b 66 0f 1f 44 00 00
> 55 48 89 e5 41 57 48
> May 20 22:54:07 SANOS1 kernel: RIP [<ffffffffa045b972>]
> merge_reloc_roots+0x132/0x140 [btrfs]
> May 20 22:54:07 SANOS1 kernel: RSP <ffff88038b99ba98>
> May 20 22:54:07 SANOS1 kernel: ---[ end trace 53a7c1fa7b405bab ]---
> --
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>
prev parent reply other threads:[~2013-05-21 10:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-21 8:37 panic BTRFS error (device sdp) in __btrfs_inc_extent_ref:1935: Object already exists [Linux 3.8.4] Joeri Vanthienen
2013-05-21 10:40 ` anand jain [this message]
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