Hello.
After rescue:
root@ubuntu:/mnt# btrfs rescue chunk-recover -v /dev/sda5
All Devices:
Device: id = 2, name = /dev/sdb5
Device: id = 1, name = /dev/sda5
Scanning: 184371421184 in dev0, 184315789312 in
dev1chunk-recover.c:129: process_extent_buffer: Assertion
`exist->nmirrors >= BTRFS_MAX_MIRRORS` failed.
btrfs[0x429b3a]
btrfs[0x42aa3c]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76fa)[0x7f477ff086fa]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f477fc3eb5d]
root@ubuntu:/mnt# btrfs rescue super-recover -v /dev/sda5
All Devices:
Device: id = 2, name = /dev/sdb5
Device: id = 1, name = /dev/sda5
Before Recovering:
[All good supers]:
device name = /dev/sdb5
superblock bytenr = 65536
device name = /dev/sdb5
superblock bytenr = 67108864
device name = /dev/sdb5
superblock bytenr = 274877906944
device name = /dev/sda5
superblock bytenr = 65536
device name = /dev/sda5
superblock bytenr = 67108864
device name = /dev/sda5
superblock bytenr = 274877906944
[All bad supers]:
All supers are valid, no need to recover
No messages in kern.log
Kind regards.
2016-06-16 19:22 GMT+02:00 Paul Verreth <paul@xxxxxxxxxx>:
> Hello.
>
> New test:
>
> I booted from a live USB-stick with all updates installed
> (4.4.0-21-generic), and after mount of the btrfs filesystem, the
> balance continued, and a bug appeared in kern.log.
>
> The filesystem turned readonly
> An important directory was missing.
>
>
> Jun 16 17:38:08 ubuntu kernel: [ 195.482907] BTRFS info (device
> sdb5): enabling auto recovery
> Jun 16 17:38:08 ubuntu kernel: [ 195.482914] BTRFS info (device
> sdb5): disk space caching is enabled
> Jun 16 17:38:08 ubuntu kernel: [ 195.488335] BTRFS info (device
> sdb5): bdev /dev/sdb5 errs: wr 0, rd 0, flush 0, corrupt 1, gen 0
> Jun 16 17:38:08 ubuntu kernel: [ 195.488340] BTRFS info (device
> sdb5): bdev /dev/sda5 errs: wr 0, rd 0, flush 0, corrupt 1, gen 0
> Jun 16 17:38:08 ubuntu kernel: [ 195.559146] BTRFS: detected SSD
> devices, enabling SSD mode
> Jun 16 17:38:08 ubuntu kernel: [ 195.560224] BTRFS: checking UUID tree
> Jun 16 17:38:08 ubuntu kernel: [ 195.560226] BTRFS info (device
> sdb5): continuing balance
> Jun 16 17:38:08 ubuntu kernel: [ 195.560229] BTRFS info (device
> sdb5): force reducing metadata integrity
> Jun 16 17:38:08 ubuntu kernel: [ 195.583979] BTRFS info (device
> sdb5): relocating block group 297447456768 flags 20
> Jun 16 17:38:12 ubuntu kernel: [ 199.340273] ------------[ cut here
> ]------------
> Jun 16 17:38:12 ubuntu kernel: [ 199.340290] kernel BUG at
> /build/linux-Ay7j_C/linux-4.4.0/fs/btrfs/relocation.c:2683!
> Jun 16 17:38:12 ubuntu kernel: [ 199.340308] invalid opcode: 0000 [#1] SMP
> Jun 16 17:38:12 ubuntu kernel: [ 199.340319] Modules linked in:
> intel_rapl snd_hda_codec_realtek x86_pkg_temp_thermal intel_powerclamp
> snd_hda_codec_hdmi snd_hda_codec_generic coretemp snd_hda_intel
> snd_hda_codec kvm snd_hda_core snd_hwdep snd_pcm irqbypass
> snd_seq_midi snd_seq_midi_event crct10dif_pclmul snd_rawmidi
> crc32_pclmul snd_seq aesni_intel eeepc_wmi snd_seq_device aes_x86_64
> asus_wmi input_leds lrw snd_timer sparse_keymap mei_me lpc_ich
> serio_raw mei snd gf128mul 8250_fintek soundcore glue_helper shpchp
> ablk_helper cryptd tpm_infineon mac_hid parport_pc ppdev lp parport
> autofs4 squashfs overlay nls_utf8 isofs hid_generic usbhid hid uas
> usb_storage btrfs xor raid6_pq nls_iso8859_1 dm_mirror dm_region_hash
> dm_log i915 mxm_wmi i2c_algo_bit drm_kms_helper syscopyarea
> sysfillrect sysimgblt e1000e fb_sys_fops drm ahci ptp libahci pps_core
> fjes wmi video
> Jun 16 17:38:12 ubuntu kernel: [ 199.340540] CPU: 1 PID: 7602 Comm:
> btrfs-balance Not tainted 4.4.0-21-generic #37-Ubuntu
> Jun 16 17:38:12 ubuntu kernel: [ 199.340558] Hardware name: ASUS All
> Series/Z87-PLUS, BIOS 1707 12/13/2013
> Jun 16 17:38:12 ubuntu kernel: [ 199.340573] task: ffff8804173b3700
> ti: ffff8803ec36c000 task.ti: ffff8803ec36c000
> Jun 16 17:38:12 ubuntu kernel: [ 199.340589] RIP:
> 0010:[<ffffffffc033be85>] [<ffffffffc033be85>]
> do_relocation+0x515/0x520 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.340631] RSP:
> 0018:ffff8803ec36fb00 EFLAGS: 00010202
> Jun 16 17:38:12 ubuntu kernel: [ 199.340643] RAX: 0000000000000001
> RBX: ffff8800bc72ca80 RCX: 0000000000000000
> Jun 16 17:38:12 ubuntu kernel: [ 199.340658] RDX: 0000000000000000
> RSI: 0000000000000000 RDI: 0000000000000000
> Jun 16 17:38:12 ubuntu kernel: [ 199.340674] RBP: ffff8803ec36fbb8
> R08: ffff8803ec36fab4 R09: 0000160000000000
> Jun 16 17:38:12 ubuntu kernel: [ 199.340689] R10: 0000000000000002
> R11: 0000000000000045 R12: ffff8803ec33f680
> Jun 16 17:38:12 ubuntu kernel: [ 199.340704] R13: ffff88041b110000
> R14: ffff88040026e180 R15: 0000000000000001
> Jun 16 17:38:12 ubuntu kernel: [ 199.340720] FS:
> 0000000000000000(0000) GS:ffff88042fa40000(0000)
> knlGS:0000000000000000
> Jun 16 17:38:12 ubuntu kernel: [ 199.340738] CS: 0010 DS: 0000 ES:
> 0000 CR0: 0000000080050033
> Jun 16 17:38:12 ubuntu kernel: [ 199.340750] CR2: 0000000001263860
> CR3: 0000000001e0a000 CR4: 00000000001406e0
> Jun 16 17:38:12 ubuntu kernel: [ 199.340766] DR0: 0000000000000000
> DR1: 0000000000000000 DR2: 0000000000000000
> Jun 16 17:38:12 ubuntu kernel: [ 199.340781] DR3: 0000000000000000
> DR6: 00000000fffe0ff0 DR7: 0000000000000400
> Jun 16 17:38:12 ubuntu kernel: [ 199.340796] Stack:
> Jun 16 17:38:12 ubuntu kernel: [ 199.340801] 0000000000000000
> ffff880405bf7920 ffff880415279870 ffff8803ec33f6c0
> Jun 16 17:38:12 ubuntu kernel: [ 199.340820] ffff880405bf7800
> ffff88040026ece0 0000000100000000 ffff8803ed251be0
> Jun 16 17:38:12 ubuntu kernel: [ 199.340839] ffff8803ec36fb40
> ffff8803ec36fb40 ffff8800c4956780 ffff88040026e180
> Jun 16 17:38:12 ubuntu kernel: [ 199.340858] Call Trace:
> Jun 16 17:38:12 ubuntu kernel: [ 199.340873] [<ffffffffc02d8a67>] ?
> btrfs_block_rsv_refill+0x37/0xb0 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.340897] [<ffffffffc033e50e>]
> relocate_tree_blocks+0x4ee/0x5f0 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.340920] [<ffffffffc0338c1d>] ?
> tree_insert+0x4d/0x60 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.340940] [<ffffffffc033c415>] ?
> add_tree_block+0x155/0x1e0 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.340961] [<ffffffffc033fa7a>]
> relocate_block_group+0x41a/0x6c0 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.340985] [<ffffffffc0307860>] ?
> btrfs_wait_ordered_roots+0x1d0/0x200 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.341008] [<ffffffffc033fed3>]
> btrfs_relocate_block_group+0x1b3/0x290 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.341032] [<ffffffffc0315567>]
> btrfs_relocate_chunk.isra.38+0x47/0xd0 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.341056] [<ffffffffc03169c9>]
> __btrfs_balance+0x5b9/0xba0 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.341073] [<ffffffff810d8b59>] ?
> vprintk_default+0x29/0x40
> Jun 16 17:38:12 ubuntu kernel: [ 199.341093] [<ffffffffc0317240>]
> btrfs_balance+0x290/0x5f0 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.341113] [<ffffffffc03175fb>]
> balance_kthread+0x5b/0x80 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.341133] [<ffffffffc03175a0>] ?
> btrfs_balance+0x5f0/0x5f0 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.341148] [<ffffffff810a0528>]
> kthread+0xd8/0xf0
> Jun 16 17:38:12 ubuntu kernel: [ 199.341160] [<ffffffff810a0450>] ?
> kthread_create_on_node+0x1e0/0x1e0
> Jun 16 17:38:12 ubuntu kernel: [ 199.341176] [<ffffffff8182488f>]
> ret_from_fork+0x3f/0x70
> Jun 16 17:38:12 ubuntu kernel: [ 199.341188] [<ffffffff810a0450>] ?
> kthread_create_on_node+0x1e0/0x1e0
> Jun 16 17:38:12 ubuntu kernel: [ 199.341202] Code: fd ff ff 0f 0b 0f
> b6 43 70 48 8b b5 58 ff ff ff 48 8d 04 c6 48 8b 10 48 89 53 68 48 c7
> 00 00 00 00 00 0f b6 53 70 e9 db fe ff ff <0f> 0b 0f 0b e8 b2 4e d4 c0
> 66 90 0f 1f 44 00 00 55 ba b8 05 00
> Jun 16 17:38:12 ubuntu kernel: [ 199.341289] RIP
> [<ffffffffc033be85>] do_relocation+0x515/0x520 [btrfs]
> Jun 16 17:38:12 ubuntu kernel: [ 199.341312] RSP <ffff8803ec36fb00>
> Jun 16 17:38:12 ubuntu kernel: [ 199.344515] ---[ end trace
> b4381932edc4fa48 ]---
> Jun 16 17:38:13 ubuntu kernel: [ 200.443946] ------------[ cut here
> ]------------
> Jun 16 17:38:13 ubuntu kernel: [ 200.443967] WARNING: CPU: 7 PID:
> 7604 at /build/linux-Ay7j_C/linux-4.4.0/fs/btrfs/extent-tree.c:6543
> __btrfs_free_extent.isra.70+0x898/0xd30 [btrfs]()
> Jun 16 17:38:13 ubuntu kernel: [ 200.443968] Modules linked in:
> intel_rapl snd_hda_codec_realtek x86_pkg_temp_thermal intel_powerclamp
> snd_hda_codec_hdmi snd_hda_codec_generic coretemp snd_hda_intel
> snd_hda_codec kvm snd_hda_core snd_hwdep snd_pcm irqbypass
> snd_seq_midi snd_seq_midi_event crct10dif_pclmul snd_rawmidi
> crc32_pclmul snd_seq aesni_intel eeepc_wmi snd_seq_device aes_x86_64
> asus_wmi input_leds lrw snd_timer sparse_keymap mei_me lpc_ich
> serio_raw mei snd gf128mul 8250_fintek soundcore glue_helper shpchp
> ablk_helper cryptd tpm_infineon mac_hid parport_pc ppdev lp parport
> autofs4 squashfs overlay nls_utf8 isofs hid_generic usbhid hid uas
> usb_storage btrfs xor raid6_pq nls_iso8859_1 dm_mirror dm_region_hash
> dm_log i915 mxm_wmi i2c_algo_bit drm_kms_helper syscopyarea
> sysfillrect sysimgblt e1000e fb_sys_fops drm ahci ptp libahci pps_core
> fjes wmi video
> Jun 16 17:38:13 ubuntu kernel: [ 200.444000] CPU: 7 PID: 7604 Comm:
> ls Tainted: G D 4.4.0-21-generic #37-Ubuntu
> Jun 16 17:38:13 ubuntu kernel: [ 200.444001] Hardware name: ASUS All
> Series/Z87-PLUS, BIOS 1707 12/13/2013
> Jun 16 17:38:13 ubuntu kernel: [ 200.444002] 0000000000000286
> 0000000074438112 ffff8800b959f690 ffffffff813e93c3
> Jun 16 17:38:13 ubuntu kernel: [ 200.444003] 0000000000000000
> ffffffffc036f468 ffff8800b959f6c8 ffffffff81080f62
> Jun 16 17:38:13 ubuntu kernel: [ 200.444005] 00000005f96c9000
> 00000000fffffffe 0000000000000000 ffff88041d0c6000
> Jun 16 17:38:13 ubuntu kernel: [ 200.444006] Call Trace:
> Jun 16 17:38:13 ubuntu kernel: [ 200.444011] [<ffffffff813e93c3>]
> dump_stack+0x63/0x90
> Jun 16 17:38:13 ubuntu kernel: [ 200.444014] [<ffffffff81080f62>]
> warn_slowpath_common+0x82/0xc0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444016] [<ffffffff810810aa>]
> warn_slowpath_null+0x1a/0x20
> Jun 16 17:38:13 ubuntu kernel: [ 200.444026] [<ffffffffc02cf458>]
> __btrfs_free_extent.isra.70+0x898/0xd30 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444028] [<ffffffff8119aa75>] ?
> __set_page_dirty_nobuffers+0xe5/0x140
> Jun 16 17:38:13 ubuntu kernel: [ 200.444036] [<ffffffffc02c9500>] ?
> btrfs_previous_extent_item+0x90/0x110 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444044] [<ffffffffc02d346b>]
> __btrfs_run_delayed_refs+0xaab/0x11f0 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444052] [<ffffffffc02d69fd>]
> btrfs_run_delayed_refs+0x7d/0x2a0 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444062] [<ffffffffc0308c61>] ?
> release_extent_buffer+0x61/0xd0 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444071] [<ffffffffc02eb60a>]
> btrfs_should_end_transaction+0x5a/0x60 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444080] [<ffffffffc02f7017>]
> btrfs_truncate_inode_items+0x737/0xd20 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444089] [<ffffffffc02f8577>]
> btrfs_evict_inode+0x477/0x5c0 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444092] [<ffffffff810c3a50>] ?
> autoremove_wake_function+0x40/0x40
> Jun 16 17:38:13 ubuntu kernel: [ 200.444094] [<ffffffff81227d5e>]
> evict+0xbe/0x190
> Jun 16 17:38:13 ubuntu kernel: [ 200.444096] [<ffffffff81228041>]
> iput+0x1c1/0x240
> Jun 16 17:38:13 ubuntu kernel: [ 200.444106] [<ffffffffc02f9117>]
> btrfs_orphan_cleanup+0x1f7/0x400 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444116] [<ffffffffc02f96ae>]
> btrfs_lookup_dentry+0x38e/0x520 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444126] [<ffffffffc02f9852>]
> btrfs_lookup+0x12/0x40 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444128] [<ffffffff8121649d>]
> lookup_real+0x1d/0x60
> Jun 16 17:38:13 ubuntu kernel: [ 200.444129] [<ffffffff81217d62>]
> __lookup_hash+0x42/0x60
> Jun 16 17:38:13 ubuntu kernel: [ 200.444131] [<ffffffff812194d6>]
> walk_component+0x226/0x300
> Jun 16 17:38:13 ubuntu kernel: [ 200.444133] [<ffffffff8121a61d>]
> path_lookupat+0x5d/0x110
> Jun 16 17:38:13 ubuntu kernel: [ 200.444135] [<ffffffff8121c291>]
> filename_lookup+0xb1/0x180
> Jun 16 17:38:13 ubuntu kernel: [ 200.444144] [<ffffffffc02ecdb9>] ?
> __btrfs_end_transaction+0x1d9/0x340 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444146] [<ffffffff811eb137>] ?
> kmem_cache_alloc+0x187/0x1f0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444148] [<ffffffff8121be96>] ?
> getname_flags+0x56/0x1f0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444150] [<ffffffff8121c436>]
> user_path_at_empty+0x36/0x40
> Jun 16 17:38:13 ubuntu kernel: [ 200.444151] [<ffffffff812115e6>]
> vfs_fstatat+0x66/0xc0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444152] [<ffffffff81211ba1>]
> SYSC_newlstat+0x31/0x60
> Jun 16 17:38:13 ubuntu kernel: [ 200.444154] [<ffffffff81211cde>]
> SyS_newlstat+0xe/0x10
> Jun 16 17:38:13 ubuntu kernel: [ 200.444156] [<ffffffff818244f2>]
> entry_SYSCALL_64_fastpath+0x16/0x71
> Jun 16 17:38:13 ubuntu kernel: [ 200.444158] ---[ end trace
> b4381932edc4fa49 ]---
> Jun 16 17:38:13 ubuntu kernel: [ 200.444160] BTRFS info (device
> sdb5): leaf 515623321600 total ptrs 23 free space 2229
> Jun 16 17:38:13 ubuntu kernel: [ 200.444161] item 0 key
> (25659432960 168 4096) itemoff 3944 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444162] extent refs 1
> gen 6963944 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444163] tree block key
> (36385751040 168 53248) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444164] tree block backref root 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444165] item 1 key
> (25659437056 168 4096) itemoff 3893 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444166] extent refs 1
> gen 7097652 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444166] tree block key
> (18446744073709551606 128 483529912320) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444167] tree block backref root 7
> Jun 16 17:38:13 ubuntu kernel: [ 200.444168] item 2 key
> (25659441152 168 4096) itemoff 3842 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444169] extent refs 1
> gen 7097652 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444170] tree block key
> (18446744073709551606 128 483533946880) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444170] tree block backref root 7
> Jun 16 17:38:13 ubuntu kernel: [ 200.444171] item 3 key
> (25659445248 168 4096) itemoff 3791 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444172] extent refs 1
> gen 6963944 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444173] tree block key
> (36389679104 168 4096) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444173] tree block backref root 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444174] item 4 key
> (25659449344 168 4096) itemoff 3740 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444175] extent refs 1
> gen 331079 flags 258
> Jun 16 17:38:13 ubuntu kernel: [ 200.444176] tree block key
> (18446744073709551611 48 797595) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444177] shared block
> backref parent 25719652352
> Jun 16 17:38:13 ubuntu kernel: [ 200.444178] item 5 key
> (25659453440 168 4096) itemoff 3689 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444178] extent refs 1
> gen 7097652 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444179] tree block key
> (18446744073709551606 128 483537981440) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444180] tree block backref root 7
> Jun 16 17:38:13 ubuntu kernel: [ 200.444181] item 6 key
> (25659457536 168 4096) itemoff 3638 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444181] extent refs 1
> gen 7097652 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444182] tree block key
> (18446744073709551606 128 483542016000) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444183] tree block backref root 7
> Jun 16 17:38:13 ubuntu kernel: [ 200.444184] item 7 key
> (25659461632 168 4096) itemoff 3587 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444184] extent refs 1
> gen 6963944 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444185] tree block key
> (36394369024 168 8192) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444186] tree block backref root 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444187] item 8 key
> (25659465728 168 4096) itemoff 3536 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444187] extent refs 1
> gen 1250494 flags 258
> Jun 16 17:38:13 ubuntu kernel: [ 200.444188] tree block key
> (77172 96 424) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444189] shared block
> backref parent 202993840128
> Jun 16 17:38:13 ubuntu kernel: [ 200.444190] item 9 key
> (25659469824 168 4096) itemoff 3485 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444190] extent refs 1
> gen 7097652 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444191] tree block key
> (18446744073709551606 128 483546050560) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444192] tree block backref root 7
> Jun 16 17:38:13 ubuntu kernel: [ 200.444193] item 10 key
> (25659473920 168 4096) itemoff 3434 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444193] extent refs 1
> gen 7097652 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444194] tree block key
> (18446744073709551606 128 483550085120) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444195] tree block backref root 7
> Jun 16 17:38:13 ubuntu kernel: [ 200.444195] item 11 key
> (25659478016 168 4096) itemoff 3383 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444196] extent refs 1
> gen 6963944 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444197] tree block key
> (36394938368 168 106496) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444197] tree block
> backref root 281474976710658
> Jun 16 17:38:13 ubuntu kernel: [ 200.444198] item 12 key
> (25659482112 168 4096) itemoff 3332 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444199] extent refs 1
> gen 7097652 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444200] tree block key
> (18446744073709551606 128 483554119680) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444200] tree block backref root 7
> Jun 16 17:38:13 ubuntu kernel: [ 200.444201] item 13 key
> (25659486208 168 4096) itemoff 3272 itemsize 60
> Jun 16 17:38:13 ubuntu kernel: [ 200.444202] extent refs 2
> gen 1999492 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444203] tree block key
> (13164463 1 0) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444203] shared block
> backref parent 515618316288
> Jun 16 17:38:13 ubuntu kernel: [ 200.444204] shared block
> backref parent 75169234944
> Jun 16 17:38:13 ubuntu kernel: [ 200.444205] item 14 key
> (25659490304 168 4096) itemoff 3221 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444206] extent refs 1
> gen 331079 flags 258
> Jun 16 17:38:13 ubuntu kernel: [ 200.444207] tree block key
> (18446744073709551611 48 795747) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444207] shared block
> backref parent 25719652352
> Jun 16 17:38:13 ubuntu kernel: [ 200.444208] item 15 key
> (25659502592 168 4096) itemoff 3170 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444209] extent refs 1
> gen 331079 flags 258
> Jun 16 17:38:13 ubuntu kernel: [ 200.444210] tree block key
> (18446744073709551611 48 797595) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444210] shared block
> backref parent 25719652352
> Jun 16 17:38:13 ubuntu kernel: [ 200.444211] item 16 key
> (25659506688 168 4096) itemoff 3119 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444212] extent refs 1
> gen 7097652 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444213] tree block key
> (18446744073709551606 128 483558154240) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444214] tree block backref root 7
> Jun 16 17:38:13 ubuntu kernel: [ 200.444214] item 17 key
> (25659510784 168 4096) itemoff 3068 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444215] extent refs 1
> gen 7097652 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444216] tree block key
> (18446744073709551606 128 483562188800) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444216] tree block backref root 7
> Jun 16 17:38:13 ubuntu kernel: [ 200.444217] item 18 key
> (25659514880 168 4096) itemoff 3008 itemsize 60
> Jun 16 17:38:13 ubuntu kernel: [ 200.444217] extent refs 2
> gen 1824756 flags 2
> Jun 16 17:38:13 ubuntu kernel: [ 200.444218] tree block key
> (12691756 1 0) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444219] shared block
> backref parent 515636400128
> Jun 16 17:38:13 ubuntu kernel: [ 200.444219] shared block
> backref parent 297494913024
> Jun 16 17:38:13 ubuntu kernel: [ 200.444220] item 19 key
> (25659518976 168 4096) itemoff 2957 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444221] extent refs 1
> gen 331079 flags 258
> Jun 16 17:38:13 ubuntu kernel: [ 200.444222] tree block key
> (18446744073709551611 48 795747) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444223] shared block
> backref parent 25719652352
> Jun 16 17:38:13 ubuntu kernel: [ 200.444224] item 20 key
> (25659523072 168 4096) itemoff 2906 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444224] extent refs 1
> gen 636672 flags 258
> Jun 16 17:38:13 ubuntu kernel: [ 200.444225] tree block key
> (101100 96 2199) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444226] shared block
> backref parent 75175694336
> Jun 16 17:38:13 ubuntu kernel: [ 200.444227] item 21 key
> (25659531264 168 4096) itemoff 2855 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444228] extent refs 1
> gen 636672 flags 258
> Jun 16 17:38:13 ubuntu kernel: [ 200.444228] tree block key
> (101100 96 2258) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444229] shared block
> backref parent 75175694336
> Jun 16 17:38:13 ubuntu kernel: [ 200.444230] item 22 key
> (25659535360 168 4096) itemoff 2804 itemsize 51
> Jun 16 17:38:13 ubuntu kernel: [ 200.444231] extent refs 1
> gen 331079 flags 258
> Jun 16 17:38:13 ubuntu kernel: [ 200.444231] tree block key
> (18446744073709551611 48 797595) level 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444232] shared block
> backref parent 25719652352
> Jun 16 17:38:13 ubuntu kernel: [ 200.444234] BTRFS error (device
> sdb5): unable to find ref byte nr 25659478016 parent 0 root 2 owner 0
> offset 0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444234] ------------[ cut here
> ]------------
> Jun 16 17:38:13 ubuntu kernel: [ 200.444243] WARNING: CPU: 7 PID:
> 7604 at /build/linux-Ay7j_C/linux-4.4.0/fs/btrfs/extent-tree.c:6549
> __btrfs_free_extent.isra.70+0x8ff/0xd30 [btrfs]()
> Jun 16 17:38:13 ubuntu kernel: [ 200.444243] BTRFS: Transaction
> aborted (error -2)
> Jun 16 17:38:13 ubuntu kernel: [ 200.444244] Modules linked in:
> intel_rapl snd_hda_codec_realtek x86_pkg_temp_thermal intel_powerclamp
> snd_hda_codec_hdmi snd_hda_codec_generic coretemp snd_hda_intel
> snd_hda_codec kvm snd_hda_core snd_hwdep snd_pcm irqbypass
> snd_seq_midi snd_seq_midi_event crct10dif_pclmul snd_rawmidi
> crc32_pclmul snd_seq aesni_intel eeepc_wmi snd_seq_device aes_x86_64
> asus_wmi input_leds lrw snd_timer sparse_keymap mei_me lpc_ich
> serio_raw mei snd gf128mul 8250_fintek soundcore glue_helper shpchp
> ablk_helper cryptd tpm_infineon mac_hid parport_pc ppdev lp parport
> autofs4 squashfs overlay nls_utf8 isofs hid_generic usbhid hid uas
> usb_storage btrfs xor raid6_pq nls_iso8859_1 dm_mirror dm_region_hash
> dm_log i915 mxm_wmi i2c_algo_bit drm_kms_helper syscopyarea
> sysfillrect sysimgblt e1000e fb_sys_fops drm ahci ptp libahci pps_core
> fjes wmi video
> Jun 16 17:38:13 ubuntu kernel: [ 200.444268] CPU: 7 PID: 7604 Comm:
> ls Tainted: G D W 4.4.0-21-generic #37-Ubuntu
> Jun 16 17:38:13 ubuntu kernel: [ 200.444269] Hardware name: ASUS All
> Series/Z87-PLUS, BIOS 1707 12/13/2013
> Jun 16 17:38:13 ubuntu kernel: [ 200.444269] 0000000000000286
> 0000000074438112 ffff8800b959f638 ffffffff813e93c3
> Jun 16 17:38:13 ubuntu kernel: [ 200.444271] ffff8800b959f680
> ffffffffc036f468 ffff8800b959f670 ffffffff81080f62
> Jun 16 17:38:13 ubuntu kernel: [ 200.444273] 00000005f96c9000
> 00000000fffffffe 0000000000000000 ffff88041d0c6000
> Jun 16 17:38:13 ubuntu kernel: [ 200.444274] Call Trace:
> Jun 16 17:38:13 ubuntu kernel: [ 200.444276] [<ffffffff813e93c3>]
> dump_stack+0x63/0x90
> Jun 16 17:38:13 ubuntu kernel: [ 200.444278] [<ffffffff81080f62>]
> warn_slowpath_common+0x82/0xc0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444279] [<ffffffff81080ffc>]
> warn_slowpath_fmt+0x5c/0x80
> Jun 16 17:38:13 ubuntu kernel: [ 200.444287] [<ffffffffc02cf4bf>]
> __btrfs_free_extent.isra.70+0x8ff/0xd30 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444289] [<ffffffff8119aa75>] ?
> __set_page_dirty_nobuffers+0xe5/0x140
> Jun 16 17:38:13 ubuntu kernel: [ 200.444297] [<ffffffffc02c9500>] ?
> btrfs_previous_extent_item+0x90/0x110 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444305] [<ffffffffc02d346b>]
> __btrfs_run_delayed_refs+0xaab/0x11f0 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444313] [<ffffffffc02d69fd>]
> btrfs_run_delayed_refs+0x7d/0x2a0 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444324] [<ffffffffc0308c61>] ?
> release_extent_buffer+0x61/0xd0 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444333] [<ffffffffc02eb60a>]
> btrfs_should_end_transaction+0x5a/0x60 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444342] [<ffffffffc02f7017>]
> btrfs_truncate_inode_items+0x737/0xd20 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444353] [<ffffffffc02f8577>]
> btrfs_evict_inode+0x477/0x5c0 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444355] [<ffffffff810c3a50>] ?
> autoremove_wake_function+0x40/0x40
> Jun 16 17:38:13 ubuntu kernel: [ 200.444356] [<ffffffff81227d5e>]
> evict+0xbe/0x190
> Jun 16 17:38:13 ubuntu kernel: [ 200.444358] [<ffffffff81228041>]
> iput+0x1c1/0x240
> Jun 16 17:38:13 ubuntu kernel: [ 200.444367] [<ffffffffc02f9117>]
> btrfs_orphan_cleanup+0x1f7/0x400 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444377] [<ffffffffc02f96ae>]
> btrfs_lookup_dentry+0x38e/0x520 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444387] [<ffffffffc02f9852>]
> btrfs_lookup+0x12/0x40 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444388] [<ffffffff8121649d>]
> lookup_real+0x1d/0x60
> Jun 16 17:38:13 ubuntu kernel: [ 200.444390] [<ffffffff81217d62>]
> __lookup_hash+0x42/0x60
> Jun 16 17:38:13 ubuntu kernel: [ 200.444392] [<ffffffff812194d6>]
> walk_component+0x226/0x300
> Jun 16 17:38:13 ubuntu kernel: [ 200.444393] [<ffffffff8121a61d>]
> path_lookupat+0x5d/0x110
> Jun 16 17:38:13 ubuntu kernel: [ 200.444395] [<ffffffff8121c291>]
> filename_lookup+0xb1/0x180
> Jun 16 17:38:13 ubuntu kernel: [ 200.444404] [<ffffffffc02ecdb9>] ?
> __btrfs_end_transaction+0x1d9/0x340 [btrfs]
> Jun 16 17:38:13 ubuntu kernel: [ 200.444406] [<ffffffff811eb137>] ?
> kmem_cache_alloc+0x187/0x1f0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444408] [<ffffffff8121be96>] ?
> getname_flags+0x56/0x1f0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444410] [<ffffffff8121c436>]
> user_path_at_empty+0x36/0x40
> Jun 16 17:38:13 ubuntu kernel: [ 200.444411] [<ffffffff812115e6>]
> vfs_fstatat+0x66/0xc0
> Jun 16 17:38:13 ubuntu kernel: [ 200.444412] [<ffffffff81211ba1>]
> SYSC_newlstat+0x31/0x60
> Jun 16 17:38:13 ubuntu kernel: [ 200.444413] [<ffffffff81211cde>]
> SyS_newlstat+0xe/0x10
> Jun 16 17:38:13 ubuntu kernel: [ 200.444415] [<ffffffff818244f2>]
> entry_SYSCALL_64_fastpath+0x16/0x71
> Jun 16 17:38:13 ubuntu kernel: [ 200.444416] ---[ end trace
> b4381932edc4fa4a ]---
> Jun 16 17:38:13 ubuntu kernel: [ 200.444418] BTRFS: error (device
> sdb5) in __btrfs_free_extent:6549: errno=-2 No such entry
> Jun 16 17:38:13 ubuntu kernel: [ 200.444419] BTRFS info (device
> sdb5): forced readonly
> Jun 16 17:38:13 ubuntu kernel: [ 200.444420] BTRFS: error (device
> sdb5) in btrfs_run_delayed_refs:2927: errno=-2 No such entry
> Jun 16 17:38:13 ubuntu kernel: [ 200.444430] BTRFS error (device
> sdb5): Error removing orphan entry, stopping orphan cleanup
> Jun 16 17:38:13 ubuntu kernel: [ 200.444431] BTRFS error (device
> sdb5): could not do orphan cleanup -22
>
> 2016-06-15 8:42 GMT+02:00 Fajar A. Nugraha <list@xxxxxxxxx>:
>> On Wed, Jun 15, 2016 at 1:29 PM, Paul Verreth <paul@xxxxxxxxxx> wrote:
>>> Dear all.
>>>
>>> When I download a video using Firefox DownloadHelper addon, the
>>> filesystem suddenly turns read only. Not a coincedence, I tried it
>>> several times, and it happened every time again
>>>
>>> Info:
>>> Linux wolfgang 4.2.0-35-generic #40-Ubuntu SMP Tue Mar 15 22:15:45 UTC
>>> 2016 x86_64 x86_64 x86_64 GNU/Linux
>>
>>> Segmentation fault
>>>
>>> Jun 5 15:03:15 ubuntu kernel: [ 2062.544303] BTRFS info (device
>>> sdb5): relocating block group 383447465984 flags 17
>>
>>
>>> What can I do to repair this problem?
>>
>> The usual starting advice would be "try with latest kernel and see if
>> you can still reproduce the problem". Is it ubuntu wily? It'd go end
>> of in July anyway, so you might want to upgrade to xenial (or at
>> least, just the kernel, for the purpose of troubleshooting your
>> problem).
>>
>> Or even try http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/
>> (should be usable, but might report some errors/warning due to missing
>> ubuntu patches)
>>
>> --
>> Fajar
>
>
>
> --
>
> Paul Verreth
>
> Het verschil tussen theorie en praktijk
> is klein in theorie,
> maar in praktijk daarentegen ...
--
Paul Verreth
Het verschil tussen theorie en praktijk
is klein in theorie,
maar in praktijk daarentegen ...
--
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