Hi,
i have now installed kernel 4.8-rc5 now i got this output when i
starting scrub. My problem is that i can see all files on my Filesystem
but can't access them.
[43176.787859] ------------[ cut here ]------------
[43176.787926] WARNING: CPU: 1 PID: 19517 at
/home/kernel/COD/linux/fs/btrfs/extent-tree.c:6947
__btrfs_free_extent.isra.71+0x85a/0xd40 [btrfs]
[43176.787928] Modules linked in: fuse ufs qnx4 hfsplus hfs minix ntfs
vfat msdos fat jfs xfs libcrc32c dm_mod binfmt_misc crc32c_generic btrfs
xor raid6_pq kvm_amd kvm irqbypass serio_raw k10temp snd_hda_codec_hdmi
joydev snd_hda_intel snd_hda_codec snd_hda_core snd_usb_audio snd_ctxfi
snd_usbmidi_lib snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event
snd_rawmidi snd_seq sg snd_seq_device i2c_piix4 snd_timer snd soundcore
tpm_infineon evdev acpi_cpufreq shpchp tpm_tis tpm_tis_core tpm
parport_pc ppdev sunrpc lp parport autofs4 ext4 crc16 jbd2 fscrypto
mbcache sd_mod hid_generic usbhid hid ohci_pci amdkfd radeon
i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops drm xhci_pci xhci_hcd ahci libahci ohci_hcd ehci_pci
ehci_hcd libata e1000e usbcore scsi_mod r8169 ptp usb_common
[43176.788305] pps_core mii fjes wmi button
[43176.788317] CPU: 1 PID: 19517 Comm: kworker/u16:4 Tainted: G W
4.8.0-040800rc5-generic #201609041832
[43176.788319] Hardware name: Gigabyte Technology Co., Ltd.
GA-970A-D3/GA-970A-D3, BIOS F12 09/03/2013
[43176.788377] Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs]
[43176.788382] 0000000000000286 000000001d97bfa2 ffffffffa5141064
0000000000000000
[43176.788389] 0000000000000000 ffffffffa4e7f6ee 000000ddc9d93000
ffff976cd9b635b0
[43176.788395] 00000000fffffffe ffff976cf93d5be0 ffff976da1478000
0000000000000000
[43176.788401] Call Trace:
[43176.788410] [<ffffffffa5141064>] ? dump_stack+0x5c/0x78
[43176.788417] [<ffffffffa4e7f6ee>] ? __warn+0xbe/0xe0
[43176.788461] [<ffffffffc0b237aa>] ?
__btrfs_free_extent.isra.71+0x85a/0xd40 [btrfs]
[43176.788513] [<ffffffffc0b94609>] ?
btrfs_merge_delayed_refs+0x69/0x570 [btrfs]
[43176.788557] [<ffffffffc0b28133>] ?
__btrfs_run_delayed_refs+0xb43/0x13d0 [btrfs]
[43176.788564] [<ffffffffa4fefba7>] ? kmem_cache_alloc+0xb7/0x510
[43176.788609] [<ffffffffc0b2b95a>] ? btrfs_run_delayed_refs+0x9a/0x2b0
[btrfs]
[43176.788654] [<ffffffffc0b2bbf9>] ? delayed_ref_async_start+0x89/0xa0
[btrfs]
[43176.788706] [<ffffffffc0b7685a>] ?
btrfs_scrubparity_helper+0xca/0x380 [btrfs]
[43176.788712] [<ffffffffa4e98f94>] ? process_one_work+0x184/0x4b0
[43176.788716] [<ffffffffa4e9930d>] ? worker_thread+0x4d/0x480
[43176.788721] [<ffffffffa541a241>] ? __schedule+0x261/0x720
[43176.788725] [<ffffffffa4e992c0>] ? process_one_work+0x4b0/0x4b0
[43176.788730] [<ffffffffa4e9f46d>] ? kthread+0xcd/0xf0
[43176.788735] [<ffffffffa4e2c751>] ? __switch_to+0x2c1/0x7a0
[43176.788741] [<ffffffffa541ed9f>] ? ret_from_fork+0x1f/0x40
[43176.788747] [<ffffffffa4e9f3a0>] ? kthread_create_on_node+0x1a0/0x1a0
[43176.788750] ---[ end trace 18d7bec13eeb81e1 ]---
[43176.788757] BTRFS info (device sde): leaf 950359658496 total ptrs 56
free space 711
[43176.788761] item 0 key (503649468416 168 4096) itemoff 3944 itemsize 51
[43176.788764] extent refs 1 gen 861173 flags 2
[43176.788767] tree block key (0 0 0) level 0
[43176.788778] tree block backref root 7
[43176.788789] item 1 key (503649468416 192 1107296256) itemoff 3920
itemsize 24
[43176.788799] block group used 45056
[43176.788808] item 2 key (503649484800 168 4096) itemoff 3869 itemsize 51
[43176.788818] extent refs 1 gen 861172 flags 2
[43176.788832] tree block key (0 0 0) level 0
[43176.788841] tree block backref root 7
[43176.788855] item 3 key (503649488896 168 4096) itemoff 3818 itemsize 51
[43176.788867] extent refs 1 gen 861174 flags 2
[43176.788880] tree block key (2 132 0) level 1
[43176.788889] tree block backref root 1
[43176.788899] item 4 key (503649501184 168 4096) itemoff 3767 itemsize 51
[43176.788907] extent refs 1 gen 861174 flags 2
[43176.788919] tree block key (2 132 0) level 0
[43176.788928] tree block backref root 1
[43176.788939] item 5 key (503649570816 168 4096) itemoff 3716 itemsize 51
[43176.788948] extent refs 1 gen 861170 flags 2
[43176.788961] tree block key (1065417768960 192 3221225472)
level 0
[43176.788970] tree block backref root 2
[43176.788981] item 6 key (503649607680 168 4096) itemoff 3665 itemsize 51
[43176.788988] extent refs 1 gen 861170 flags 2
[43176.788996] tree block key (1316673355776 192 3221225472)
level 0
[43176.789005] tree block backref root 2
[43176.789015] item 7 key (503649628160 168 4096) itemoff 3614 itemsize 51
[43176.789025] extent refs 1 gen 861170 flags 2
[43176.789035] tree block key (1446629670912 192 3221225472)
level 0
[43176.789041] tree block backref root 2
[43176.789050] item 8 key (503649636352 168 4096) itemoff 3563 itemsize 51
[43176.789060] extent refs 1 gen 861170 flags 2
[43176.789069] tree block key (1707548934144 192 3221225472)
level 0
[43176.789077] tree block backref root 2
[43176.789088] item 9 key (950359621632 168 4096) itemoff 3512 itemsize 51
[43176.789095] extent refs 1 gen 861175 flags 2
[43176.789103] tree block key (256 1 0) level 4
[43176.789110] tree block backref root 5
[43176.789118] item 10 key (950359621632 192 1107296256) itemoff 3488
itemsize 24
[43176.789127] block group used 0
[43176.789135] item 11 key (950359625728 168 4096) itemoff 3437 itemsize 51
[43176.789152] extent refs 1 gen 861175 flags 2
[43176.789154] tree block key (9406070 108 0) level 3
[43176.789155] tree block backref root 5
[43176.789159] item 12 key (950359629824 168 4096) itemoff 3386 itemsize 51
[43176.789161] extent refs 1 gen 861175 flags 2
[43176.789163] tree block key (18405423 1 0) level 2
[43176.789165] tree block backref root 5
[43176.789168] item 13 key (950359633920 168 4096) itemoff 3335 itemsize 51
[43176.789170] extent refs 1 gen 861175 flags 2
[43176.789173] tree block key (18687456 1 0) level 1
[43176.789174] tree block backref root 5
[43176.789177] item 14 key (950359638016 168 4096) itemoff 3284 itemsize 51
[43176.789179] extent refs 1 gen 861175 flags 2
[43176.789181] tree block key (18689154 1 0) level 0
[43176.789183] tree block backref root 5
[43176.789186] item 15 key (950359642112 168 4096) itemoff 3233 itemsize 51
[43176.789188] extent refs 1 gen 861175 flags 2
[43176.789190] tree block key (18690745 108 0) level 1
[43176.789192] tree block backref root 5
[43176.789195] item 16 key (950359646208 168 4096) itemoff 3182 itemsize 51
[43176.789197] extent refs 1 gen 861175 flags 2
[43176.789199] tree block key (18691274 12 1366601) level 0
[43176.789201] tree block backref root 5
[43176.789204] item 17 key (950359650304 168 4096) itemoff 3131 itemsize 51
[43176.789206] extent refs 1 gen 861175 flags 2
[43176.789208] tree block key (503649468416 168 4096) level 1
[43176.789209] tree block backref root 2
[43176.789213] item 18 key (950359654400 168 4096) itemoff 3080 itemsize 51
[43176.789215] extent refs 1 gen 861175 flags 2
[43176.789217] tree block key (2095203287040 192 3221225472)
level 0
[43176.789218] tree block backref root 2
[43176.789222] item 19 key (950359658496 168 4096) itemoff 3029 itemsize 51
[43176.789224] extent refs 1 gen 861175 flags 2
[43176.789226] tree block key (503649468416 168 4096) level 0
[43176.789227] tree block backref root 2
[43176.789230] item 20 key (950359662592 168 4096) itemoff 2978 itemsize 51
[43176.789232] extent refs 1 gen 861175 flags 2
[43176.789234] tree block key (0 249 1) level 1
[43176.789236] tree block backref root 4
[43176.789239] item 21 key (950359666688 168 4096) itemoff 2927 itemsize 51
[43176.789241] extent refs 1 gen 861175 flags 2
[43176.789243] tree block key (3 204 73421488128) level 0
[43176.789244] tree block backref root 4
[43176.789248] item 22 key (951466917888 192 1107296256) itemoff 2903
itemsize 24
[43176.789249] block group used 0
[43176.789252] item 23 key (952574214144 192 100663296) itemoff 2879
itemsize 24
[43176.789253] block group used 0
[43176.789256] item 24 key (952674877440 192 3221225472) itemoff 2855
itemsize 24
[43176.789258] block group used 0
[43176.789261] item 25 key (955896102912 192 3221225472) itemoff 2831
itemsize 24
[43176.789262] block group used 0
[43176.789265] item 26 key (959117328384 192 3221225472) itemoff 2807
itemsize 24
[43176.789267] block group used 0
[43176.789270] item 27 key (962338553856 192 3221225472) itemoff 2783
itemsize 24
[43176.789271] block group used 0
[43176.789274] item 28 key (965559779328 192 3221225472) itemoff 2759
itemsize 24
[43176.789275] block group used 0
[43176.789279] item 29 key (968781004800 192 3221225472) itemoff 2735
itemsize 24
[43176.789280] block group used 0
[43176.789283] item 30 key (972002230272 192 3221225472) itemoff 2711
itemsize 24
[43176.789284] block group used 0
[43176.789288] item 31 key (975223455744 192 3221225472) itemoff 2687
itemsize 24
[43176.789289] block group used 0
[43176.789292] item 32 key (978444681216 192 3221225472) itemoff 2663
itemsize 24
[43176.789293] block group used 0
[43176.789296] item 33 key (981665906688 192 3221225472) itemoff 2639
itemsize 24
[43176.789298] block group used 0
[43176.789301] item 34 key (984887132160 192 3221225472) itemoff 2615
itemsize 24
[43176.789302] block group used 0
[43176.789305] item 35 key (988108357632 192 3221225472) itemoff 2591
itemsize 24
[43176.789306] block group used 0
[43176.789310] item 36 key (991329583104 192 3221225472) itemoff 2567
itemsize 24
[43176.789311] block group used 0
[43176.789314] item 37 key (994550808576 192 3221225472) itemoff 2543
itemsize 24
[43176.789315] block group used 0
[43176.789319] item 38 key (997772034048 192 3221225472) itemoff 2519
itemsize 24
[43176.789320] block group used 0
[43176.789323] item 39 key (1000993259520 192 3221225472) itemoff 2495
itemsize 24
[43176.789324] block group used 0
[43176.789327] item 40 key (1004214484992 192 3221225472) itemoff 2471
itemsize 24
[43176.789329] block group used 0
[43176.789332] item 41 key (1007435710464 192 3221225472) itemoff 2447
itemsize 24
[43176.789333] block group used 0
[43176.789336] item 42 key (1010656935936 192 3221225472) itemoff 2423
itemsize 24
[43176.789338] block group used 0
[43176.789341] item 43 key (1013878161408 192 3221225472) itemoff 2399
itemsize 24
[43176.789342] block group used 0
[43176.789345] item 44 key (1017099386880 192 3221225472) itemoff 2375
itemsize 24
[43176.789346] block group used 0
[43176.789350] item 45 key (1020320612352 192 3221225472) itemoff 2351
itemsize 24
[43176.789351] block group used 0
[43176.789354] item 46 key (1023541837824 192 3221225472) itemoff 2327
itemsize 24
[43176.789355] block group used 0
[43176.789358] item 47 key (1026763063296 192 3221225472) itemoff 2303
itemsize 24
[43176.789360] block group used 0
[43176.789363] item 48 key (1029984288768 192 3221225472) itemoff 2279
itemsize 24
[43176.789364] block group used 0
[43176.789367] item 49 key (1033205514240 192 3221225472) itemoff 2255
itemsize 24
[43176.789368] block group used 0
[43176.789371] item 50 key (1036426739712 192 3221225472) itemoff 2231
itemsize 24
[43176.789373] block group used 0
[43176.789376] item 51 key (1039647965184 192 3221225472) itemoff 2207
itemsize 24
[43176.789377] block group used 0
[43176.789380] item 52 key (1042869190656 192 3221225472) itemoff 2183
itemsize 24
[43176.789381] block group used 0
[43176.789385] item 53 key (1046090416128 192 3221225472) itemoff 2159
itemsize 24
[43176.789386] block group used 0
[43176.789389] item 54 key (1049311641600 192 3221225472) itemoff 2135
itemsize 24
[43176.789390] block group used 0
[43176.789393] item 55 key (1052532867072 192 3221225472) itemoff 2111
itemsize 24
[43176.789395] block group used 0
[43176.789399] BTRFS error (device sde): unable to find ref byte nr
952574226432 parent 0 root 3 owner 0 offset 0
[43176.789409] BTRFS: error (device sde) in __btrfs_free_extent:6953:
errno=-2 No such entry
[43176.789418] BTRFS: error (device sde) in btrfs_run_delayed_refs:2960:
errno=-2 No such entry
[43176.823989] pending csums is 4096
Am 09.09.2016 um 22:21 schrieb Liu Bo:
On Fri, Sep 09, 2016 at 02:41:45PM +0200, Jan Koester wrote:
Hi,
i got from btrfs scrub command segfault. I use btrfs tools 4.7.2.
root@dibsi:/home/jan# btrfs scrub status /local
Speicherzugriffsfehler
root@dibsi:/home/jan# dmesg
[78294.556713] BTRFS error (device sda): bad tree block start
18427384836265136347 2304683610112
[78294.556956] BTRFS error (device sda): bad tree block start
17385487456874290426 2304683610112
[78294.558323] BTRFS error (device sda): bad tree block start
17385487456874290426 2304683610112
[78294.558397] ------------[ cut here ]------------
[78294.569900] kernel BUG at fs/btrfs/ctree.c:5202!
[78294.581634] invalid opcode: 0000 [#15] SMP
[78294.593089] Modules linked in: ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs
libcrc32c binfmt_misc btrfs xor raid6_pq kvm_amd kvm irqbypass serio_raw
snd_usb_audio input_leds joydev snd_usbmidi_lib snd_hda_codec_hdmi edac_mce_amd
snd_hda_intel edac_core snd_hda_codec k10temp snd_ctxfi snd_hda_core snd_hwdep
snd_pcm i2c_piix4 snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq
snd_seq_device snd_timer snd soundcore tpm_infineon mac_hid 8250_fintek shpchp
sunrpc parport_pc ppdev lp parport autofs4 hid_generic usbhid hid amdkfd
amd_iommu_v2 radeon i2c_algo_bit ttm drm_kms_helper e1000e syscopyarea
sysfillrect sysimgblt ptp fb_sys_fops r8169 drm mii ahci pps_core libahci wmi
fjes
[78294.629504] CPU: 3 PID: 16486 Comm: btrfs Tainted: G D W
4.6.0-rc4 #1
[78294.629506] Hardware name: Gigabyte Technology Co., Ltd.
GA-970A-D3/GA-970A-D3, BIOS F12 09/03/2013
[78294.629510] task: ffff880070766800 ti: ffff8801c2d30000 task.ti:
ffff8801c2d30000
[78294.629568] RIP: 0010:[<ffffffffc088f54d>] [<ffffffffc088f54d>]
btrfs_search_forward+0x24d/0x330 [btrfs]
[78294.629572] RSP: 0018:ffff8801c2d33c10 EFLAGS: 00010246
[78294.629581] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[78294.629583] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff880080638d40
[78294.629585] RBP: ffff8801c2d33c70 R08: 0000021899d90000 R09: 000002189fd90000
[78294.629587] R10: 0000000000000000 R11: 0000000000000003 R12: ffff88008826e8c0
[78294.629589] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000
[78294.629593] FS: 00007ff69486f8c0(0000) GS:ffff88022fcc0000(0000)
knlGS:00000000e71e3b40
[78294.629595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[78294.629598] CR2: 0000000001a94088 CR3: 0000000221fe6000 CR4: 00000000000006e0
[78294.629599] Stack:
[78294.629605] 00000000024280ca ffff8801c2d33cbf ffff880223bfa800
01ffffff00000000
[78294.629609] d800000000000000 0000000000000001 00000000db9fb905
ffff88008826e8c0
[78294.629613] ffff8801c2d33d18 ffff8802008ee000 ffff8801c2d33cbf
ffff8801f91e6800
[78294.629614] Call Trace:
[78294.629669] [<ffffffffc08e9ed2>] search_ioctl+0xf2/0x1a0 [btrfs]
[78294.629720] [<ffffffffc08e9ff2>] btrfs_ioctl_tree_search+0x72/0xc0 [btrfs]
[78294.629769] [<ffffffffc08ee6e4>] btrfs_ioctl+0x3e4/0x21a0 [btrfs]
[78294.629777] [<ffffffff811c9cbf>] ? handle_mm_fault+0x14cf/0x1e60
[78294.629782] [<ffffffff81223213>] ? cp_new_stat+0x153/0x180
[78294.629789] [<ffffffff81231cc1>] do_vfs_ioctl+0xa1/0x5b0
[78294.629794] [<ffffffff8106b5c5>] ? __do_page_fault+0x205/0x4d0
[78294.629800] [<ffffffff81232249>] SyS_ioctl+0x79/0x90
[78294.629806] [<ffffffff818360f6>] entry_SYSCALL_64_fastpath+0x1e/0xa8
[78294.629847] Code: 8b 4d a0 48 8b 55 a8 4d 89 f8 48 8b 7d b0 4c 89 e6 e8 68 fb ff
ff 85 c0 0f 85 bf 00 00 00 4c 89 e7 e8 88 7f ff ff e9 fa fd ff ff <0f> 0b 48 8d
04 92 43 89 54 ac 40 48 8d 75 bf b9 11 00 00 00 48
[78294.629885] RIP [<ffffffffc088f54d>] btrfs_search_forward+0x24d/0x330
[btrfs]
[78294.629887] RSP <ffff8801c2d33c10>
[78294.629969] ---[ end trace fa1ffcf4f496deaf ]---
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We have a commit[1] in 4.8 which has cleaned up this BUG_ON().
But it'll only help us to return gracefully, for the invalid metadata,
try btrfsck instead.
[1]:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fb770ae414d018255afa7a70b14ba1f8620762dd
Thanks,
-liubo
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