Hi,
After upgrading to 4.0.0-rc5 from 4.0.0-rc4 I see "Object already
exists" after reboot.
The fs is forced read only.
The error does not disappear after additional reboots.
mount|grep sda1
/dev/sda1 on / type btrfs (rw,noatime,compress=lzo,space_cache,subvol=@)
/dev/sda1 on /home type btrfs
(rw,noatime,compress=lzo,space_cache,subvol=@home)
/dev/sda1 on /mnt/volumes type btrfs (rw,noatime,compress=lzo,space_cache)
Label: 'root' uuid: 6a681300-faef-4195-a1b3-6699c7a5aa5e
Total devices 2 FS bytes used 66.87GiB
devid 1 size 298.09GiB used 124.03GiB path /dev/sda1
devid 2 size 298.09GiB used 124.03GiB path /dev/sdd1
btrfs-progs v3.19
Any additional info I can provide? Tests you want me to run?
--
Torbjørn
[ 1851.856097] ------------[ cut here ]------------
[ 1851.856166] WARNING: CPU: 4 PID: 350 at fs/btrfs/super.c:260
__btrfs_abort_transaction+0x54/0x130 [btrfs]()
[ 1851.856255] BTRFS: Transaction aborted (error -17)
[ 1851.856256] Modules linked in: vhost_net vhost macvtap macvlan
ipmi_devintf ipt_REJECT nf_reject_ipv4 xt_CHECKSUM ip6table_filter
ip6_tables ebtable_nat ebtables sch_prio bridge stp llc xt_state
iptable_filter xt_CLASSIFY xt_tcpudp xt_DSCP iptable_mangle iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
ip_tables x_tables dm_crypt netconsole configfs ppdev coretemp kvm_intel
mac_hid lpc_ich video kvm serio_raw parport_pc ipmi_si tpm_infineon
ipmi_msghandler aesni_intel aes_x86_64 glue_helper lrw gf128mul
ablk_helper cryptd nfsd lp auth_rpcgss nfs_acl nfs lockd parport grace
sunrpc fscache btrfs raid10 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1
hid_generic usbhid hid psmouse ahci e1000e libahci ptp mpt2sas
raid_class pps_core scsi_transport_sas
[ 1851.856977] CPU: 4 PID: 350 Comm: btrfs-transacti Not tainted
4.0.0-rc5 #97
[ 1851.857057] Hardware name: To be filled by O.E.M. To be filled by
O.E.M./P8B-X series, BIOS 2107 05/04/2012
[ 1851.857151] ffffffffc02ad832 ffff88041795fbf8 ffffffff8176aaed
0000000000000000
[ 1851.857248] ffff88041795fc48 ffff88041795fc38 ffffffff8107a0ea
0000000000000000
[ 1851.857336] ffff88041a3d49a0 ffff880417cc4000 00000000ffffffef
ffffffffc02ac0d0
[ 1851.857423] Call Trace:
[ 1851.857466] [<ffffffff8176aaed>] dump_stack+0x45/0x57
[ 1851.857514] [<ffffffff8107a0ea>] warn_slowpath_common+0x8a/0xc0
[ 1851.857565] [<ffffffff8107a166>] warn_slowpath_fmt+0x46/0x50
[ 1851.857618] [<ffffffffc01ffc84>]
__btrfs_abort_transaction+0x54/0x130 [btrfs]
[ 1851.857704] [<ffffffffc021d05c>]
btrfs_run_delayed_refs.part.65+0x12c/0x2a0 [btrfs]
[ 1851.857792] [<ffffffffc021f4d1>] ? btrfs_update_root+0xe1/0x270 [btrfs]
[ 1851.857849] [<ffffffffc021d1e7>] btrfs_run_delayed_refs+0x17/0x20
[btrfs]
[ 1851.857908] [<ffffffffc02a51c6>] commit_cowonly_roots+0x27d/0x294
[btrfs]
[ 1851.857967] [<ffffffffc022dde1>]
btrfs_commit_transaction+0x4c1/0xa50 [btrfs]
[ 1851.858053] [<ffffffffc0229585>] transaction_kthread+0x1b5/0x240 [btrfs]
[ 1851.858110] [<ffffffffc02293d0>] ?
btrfs_cleanup_transaction+0x570/0x570 [btrfs]
[ 1851.858192] [<ffffffff81098ea2>] kthread+0xd2/0xf0
[ 1851.858238] [<ffffffff81098dd0>] ? kthread_create_on_node+0x180/0x180
[ 1851.858291] [<ffffffff81772518>] ret_from_fork+0x58/0x90
[ 1851.858340] [<ffffffff81098dd0>] ? kthread_create_on_node+0x180/0x180
[ 1851.858391] ---[ end trace 7c2776e855cf008f ]---
[ 1851.858437] BTRFS: error (device sda1) in
btrfs_run_delayed_refs:2790: errno=-17 Object already exists
[ 1851.858524] BTRFS info (device sda1): forced readonly
[ 1851.858571] BTRFS warning (device sda1): Skipping commit of aborted
transaction.
[ 1851.858652] BTRFS: error (device sda1) in cleanup_transaction:1686:
errno=-17 Object already exists
--
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