Hello Tomasz, There should be some bugs flying on, unitil now, you can try to remount: something like:
# mount /dev/sda /mnt -o skip_balance It will skip unfinshed balance, hopley it can help you before we give a bug fix. Thanks, Wang 2013/12/20 Tomasz Chmielewski <t...@virtall.com>: > On Thu, 19 Dec 2013 22:07:37 +0900 > Tomasz Chmielewski <t...@virtall.com> wrote: > >> If it matters, I had to hard reboot after that bug; the balance >> continued after the system booted again and I got this a while later >> (filesystem was remounted read only): > > Actually, looks like the fs is quite hosed now :( > > If I want to do an operation like removing a snapshot (btrfs sub > del ...), the command returns, there is IO for a few minutes, but then, the > kernel complains and fs is remounted readonly: > > [ 5111.773900] BTRFS debug (device sdb5): run_one_delayed_ref returned -17 > [ 5111.773902] ------------[ cut here ]------------ > [ 5111.773957] WARNING: CPU: 0 PID: 15042 at fs/btrfs/super.c:254 > __btrfs_abort_transaction+0x4d/0xff [btrfs]() > [ 5111.774047] btrfs: Transaction aborted (error -17) > [ 5111.774048] Modules linked in: ipt_MASQUERADE iptable_nat > nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables > x_tables cpufreq_ondemand cpufreq_conservative cpufreq_powersave > cpufreq_stats bridge stp llc ipv6 btrfs xor raid6_pq zlib_deflate loop pcspkr > button video ehci_pci ehci_hcd acpi_cpufreq i2c_i801 i2c_core lpc_ich > mfd_core ext4 crc16 jbd2 mbcache raid1 sg sd_mod ahci libahci libata scsi_mod > r8169 mii > [ 5111.774355] CPU: 0 PID: 15042 Comm: btrfs-transacti Tainted: G W > 3.13.0-rc4 #1 > [ 5111.774443] Hardware name: System manufacturer System Product Name/P8H77-M > PRO, BIOS 1101 02/04/2013 > [ 5111.774533] 0000000000000009 ffff8800374ddc48 ffffffff8138a37d > 0000000000000006 > [ 5111.774622] ffff8800374ddc98 ffff8800374ddc88 ffffffff810370a9 > ffff8800374ddd80 > [ 5111.774711] ffffffffa020d524 00000000ffffffef ffff8807ead7d800 > ffff8807ff0cc8c0 > [ 5111.774800] Call Trace: > [ 5111.774846] [<ffffffff8138a37d>] dump_stack+0x46/0x58 > [ 5111.774894] [<ffffffff810370a9>] warn_slowpath_common+0x77/0x91 > [ 5111.774944] [<ffffffffa020d524>] ? __btrfs_abort_transaction+0x4d/0xff > [btrfs] > [ 5111.775032] [<ffffffff81037157>] warn_slowpath_fmt+0x41/0x43 > [ 5111.775081] [<ffffffffa020d524>] __btrfs_abort_transaction+0x4d/0xff > [btrfs] > [ 5111.775135] [<ffffffffa02226ed>] btrfs_run_delayed_refs+0x253/0x46f > [btrfs] > [ 5111.775189] [<ffffffffa022fdec>] btrfs_commit_transaction+0x36d/0x7df > [btrfs] > [ 5111.775281] [<ffffffffa022e345>] transaction_kthread+0xef/0x1c2 [btrfs] > [ 5111.775333] [<ffffffffa022e256>] ? open_ctree+0x1ac7/0x1ac7 [btrfs] > [ 5111.775382] [<ffffffff8104ee9a>] kthread+0xcd/0xd5 > [ 5111.775428] [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 > [ 5111.775477] [<ffffffff8138f17c>] ret_from_fork+0x7c/0xb0 > [ 5111.775524] [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 > [ 5111.775572] ---[ end trace b552aca9a0cff3cb ]--- > [ 5111.775618] BTRFS error (device sdb5) in btrfs_run_delayed_refs:2730: > errno=-17 Object already exists > [ 5111.775707] BTRFS info (device sdb5): forced readonly > [ 5111.775754] BTRFS warning (device sdb5): Skipping commit of aborted > transaction. > [ 5111.775841] BTRFS error (device sdb5) in cleanup_transaction:1553: > errno=-17 Object already exists > > > > If I run balance (after unmounting and mounting the filesystem), it ends in a > similar way: > > [ 5927.338989] btrfs: relocating block group 4647284637696 flags 17 > [ 6184.333629] btrfs: found 983 extents > [ 6269.512577] BTRFS debug (device sdb5): run_one_delayed_ref returned -17 > [ 6269.512579] ------------[ cut here ]------------ > [ 6269.512636] WARNING: CPU: 7 PID: 17836 at fs/btrfs/super.c:254 > __btrfs_abort_transaction+0x4d/0xff [btrfs]() > [ 6269.512727] btrfs: Transaction aborted (error -17) > [ 6269.512727] Modules linked in: ipt_MASQUERADE iptable_nat > nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables > x_tables cpufreq_ondemand cpufreq_conservative cpufreq_powersave > cpufreq_stats bridge stp llc ipv6 btrfs xor raid6_pq zlib_deflate loop pcspkr > button video ehci_pci ehci_hcd acpi_cpufreq i2c_i801 i2c_core lpc_ich > mfd_core ext4 crc16 jbd2 mbcache raid1 sg sd_mod ahci libahci libata scsi_mod > r8169 mii > [ 6269.513036] CPU: 7 PID: 17836 Comm: btrfs-transacti Tainted: G W > 3.13.0-rc4 #1 > [ 6269.513124] Hardware name: System manufacturer System Product Name/P8H77-M > PRO, BIOS 1101 02/04/2013 > [ 6269.513214] 0000000000000009 ffff8807c5b07c48 ffffffff8138a37d > 0000000000000006 > [ 6269.513304] ffff8807c5b07c98 ffff8807c5b07c88 ffffffff810370a9 > ffff8807c5b07d80 > [ 6269.513393] ffffffffa020d524 00000000ffffffef ffff8807ead7e800 > ffff8800371eedc0 > [ 6269.513483] Call Trace: > [ 6269.513529] [<ffffffff8138a37d>] dump_stack+0x46/0x58 > [ 6269.513577] [<ffffffff810370a9>] warn_slowpath_common+0x77/0x91 > [ 6269.513627] [<ffffffffa020d524>] ? __btrfs_abort_transaction+0x4d/0xff > [btrfs] > [ 6269.513716] [<ffffffff81037157>] warn_slowpath_fmt+0x41/0x43 > [ 6269.513766] [<ffffffffa020d524>] __btrfs_abort_transaction+0x4d/0xff > [btrfs] > [ 6269.513820] [<ffffffffa02226ed>] btrfs_run_delayed_refs+0x253/0x46f > [btrfs] > [ 6269.513874] [<ffffffffa022faef>] btrfs_commit_transaction+0x70/0x7df > [btrfs] > [ 6269.513927] [<ffffffffa022e345>] transaction_kthread+0xef/0x1c2 [btrfs] > [ 6269.513980] [<ffffffffa022e256>] ? open_ctree+0x1ac7/0x1ac7 [btrfs] > [ 6269.514029] [<ffffffff8104ee9a>] kthread+0xcd/0xd5 > [ 6269.514076] [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 > [ 6269.514125] [<ffffffff8138f17c>] ret_from_fork+0x7c/0xb0 > [ 6269.514172] [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 > [ 6269.514220] ---[ end trace b552aca9a0cff3cc ]--- > [ 6269.514266] BTRFS error (device sdb5) in btrfs_run_delayed_refs:2730: > errno=-17 Object already exists > [ 6269.514356] BTRFS info (device sdb5): forced readonly > [ 6269.514430] BTRFS warning (device sdb5): Skipping commit of aborted > transaction. > [ 6269.514559] BTRFS error (device sdb5) in cleanup_transaction:1553: > errno=-17 Object already exists > [ 6269.527034] btrfs: found 983 extents > > > Is there any fix I can try? > > > -- > Tomasz Chmielewski > http://wpkg.org > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
