From: Matt McKinnon <matt@techsquare.com>
To: Chris Murphy <lists@colorremedies.com>
Cc: Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists
Date: Tue, 9 Aug 2016 20:29:50 -0400 [thread overview]
Message-ID: <34532105-4411-2a21-a83d-e48f4311400a@techsquare.com> (raw)
In-Reply-To: <CAJCQCtSR6S_RQ5eMjQC9qwifEakme58uw11wHcewiDxqNfq_kw@mail.gmail.com>
Spoke too soon. Do I need to continue to run with that mount option in
place?
[ 83.775984] BTRFS warning (device sda1): block group 25741009879040
has wrong amount of free space
[ 83.775989] BTRFS warning (device sda1): failed to load free space
cache for block group 25741009879040, rebuilding it now
[ 85.231748] BTRFS warning (device sda1): block group 25737721544704
has wrong amount of free space
[ 85.231752] BTRFS warning (device sda1): failed to load free space
cache for block group 25737721544704, rebuilding it now
[ 98.913796] BTRFS info (device sda1): disk space caching is enabled
[ 98.913803] BTRFS info (device sda1): has skinny extents
[ 179.564408] BTRFS warning (device sda1): block group 78412513280 has
wrong amount of free space
[ 179.564414] BTRFS warning (device sda1): failed to load free space
cache for block group 78412513280, rebuilding it now
[ 667.106718] ------------[ cut here ]------------
[ 667.106772] WARNING: CPU: 0 PID: 2726 at fs/btrfs/extent-tree.c:2963
btrfs_run_delayed_refs+0x292/0x2d0 [btrfs]
[ 667.106775] BTRFS: Transaction aborted (error -17)
[ 667.106777] Modules linked in: ipt_REJECT nf_reject_ipv4 xt_tcpudp
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack
iptable_filter ip_tables x_tables ipmi_devintf sb_edac edac_core
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel btrfs kvm
irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel
aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd dm_multipath
joydev lpc_ich mei_me mei wmi ipmi_si ipmi_msghandler nfsd auth_rpcgss
nfs_acl nfs lockd grace ioatdma sunrpc shpchp mac_hid fscache lp parport
ses enclosure scsi_transport_sas raid10 raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c
hid_generic igb raid1 usbhid i2c_algo_bit ahci raid0 dca multipath ptp
hid megaraid_sas libahci linear pps_core dm_mirror dm_region_hash dm_log
[ 667.106859] CPU: 0 PID: 2726 Comm: btrfs-transacti Not tainted
4.7.0-custom #1
[ 667.106861] Hardware name: Supermicro
X9DRH-7TF/7F/iTF/iF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0b 04/28/2014
[ 667.106864] 0000000000000000 ffff880464e73c08 ffffffff813b816c
ffff880464e73c58
[ 667.106869] 0000000000000000 ffff880464e73c48 ffffffff8107a321
00000b936c3cc170
[ 667.106873] ffff880443191130 ffff88046c3cc170 ffff88046b43f000
ffffffffffffffff
[ 667.106878] Call Trace:
[ 667.106889] [<ffffffff813b816c>] dump_stack+0x63/0x87
[ 667.106896] [<ffffffff8107a321>] __warn+0xd1/0xf0
[ 667.106901] [<ffffffff8107a38f>] warn_slowpath_fmt+0x4f/0x60
[ 667.106925] [<ffffffffc06a2e52>] btrfs_run_delayed_refs+0x292/0x2d0
[btrfs]
[ 667.106947] [<ffffffffc06a3be8>]
btrfs_write_dirty_block_groups+0x178/0x3b0 [btrfs]
[ 667.106974] [<ffffffffc06b609c>] commit_cowonly_roots+0x23c/0x2e0
[btrfs]
[ 667.106999] [<ffffffffc06b8d0b>]
btrfs_commit_transaction+0x4fb/0xa80 [btrfs]
[ 667.107021] [<ffffffffc06b32b2>] transaction_kthread+0x1d2/0x200 [btrfs]
[ 667.107042] [<ffffffffc06b30e0>] ?
btrfs_cleanup_transaction+0x580/0x580 [btrfs]
[ 667.107047] [<ffffffff81099109>] kthread+0xc9/0xe0
[ 667.107053] [<ffffffff817db85f>] ret_from_fork+0x1f/0x40
[ 667.107056] [<ffffffff81099040>] ? kthread_park+0x60/0x60
[ 667.107060] ---[ end trace 336c80ba4db66e78 ]---
[ 667.107065] BTRFS: error (device sda1) in
btrfs_run_delayed_refs:2963: errno=-17 Object already exists
[ 667.116389] BTRFS info (device sda1): forced readonly
[ 667.117081] BTRFS warning (device sda1): Skipping commit of aborted
transaction.
[ 667.117086] BTRFS: error (device sda1) in cleanup_transaction:1853:
errno=-17 Object already exists
On 08/09/2016 08:06 PM, Chris Murphy wrote:
> On Tue, Aug 9, 2016 at 6:01 PM, Chris Murphy <lists@colorremedies.com> wrote:
>> On Tue, Aug 9, 2016 at 5:15 PM, Matt McKinnon <matt@techsquare.com> wrote:
>>> Hello,
>>>
>>> Our server recently crashed and was rebooted. When it returned our BTRFS
>>> volume is mounting read-only:
>>
>> What happens when you try mounting with -o usebackuproot ?
>>
>> If that fails, what output do you get for 'btrfs check' (without
>> --repair)? If you only get some "errors 400, nbytes wrong" then
>> --repair should fix the problem.
>
> This could also be a regression somewhere...
> https://bugzilla.kernel.org/show_bug.cgi?id=60522
>
>
next prev parent reply other threads:[~2016-08-10 0:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-09 23:15 BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists Matt McKinnon
2016-08-10 0:01 ` Chris Murphy
2016-08-10 0:06 ` Chris Murphy
2016-08-10 0:29 ` Matt McKinnon [this message]
2016-08-10 2:25 ` Chris Murphy
2016-08-10 6:41 ` Duncan
2016-08-11 1:51 ` Matt McKinnon
2016-08-10 0:56 ` Matt McKinnon
2016-08-10 0:17 ` Matt McKinnon
2016-08-10 7:09 ` g6094199
2016-08-10 11:16 ` Matt McKinnon
2016-08-10 20:43 ` g6094199
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