* segfault btrfs scrub
@ 2016-09-09 12:41 Jan Koester
2016-09-09 20:21 ` Liu Bo
0 siblings, 1 reply; 5+ messages in thread
From: Jan Koester @ 2016-09-09 12:41 UTC (permalink / raw)
To: linux-btrfs
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 ]---
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: segfault btrfs scrub
2016-09-09 12:41 segfault btrfs scrub Jan Koester
@ 2016-09-09 20:21 ` Liu Bo
2016-09-10 11:47 ` Jan Koester
2016-09-10 11:55 ` Jan Koester
0 siblings, 2 replies; 5+ messages in thread
From: Liu Bo @ 2016-09-09 20:21 UTC (permalink / raw)
To: Jan Koester; +Cc: linux-btrfs
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 ]---
> --
> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
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
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: segfault btrfs scrub
2016-09-09 20:21 ` Liu Bo
@ 2016-09-10 11:47 ` Jan Koester
2016-09-10 11:55 ` Jan Koester
1 sibling, 0 replies; 5+ messages in thread
From: Jan Koester @ 2016-09-10 11:47 UTC (permalink / raw)
To: bo.li.liu; +Cc: linux-btrfs
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 ]---
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
> 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
> --
> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: segfault btrfs scrub
2016-09-09 20:21 ` Liu Bo
2016-09-10 11:47 ` Jan Koester
@ 2016-09-10 11:55 ` Jan Koester
2016-09-10 12:07 ` Jan Koester
1 sibling, 1 reply; 5+ messages in thread
From: Jan Koester @ 2016-09-10 11:55 UTC (permalink / raw)
To: bo.li.liu; +Cc: linux-btrfs
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 ]---
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
> 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
> --
> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: segfault btrfs scrub
2016-09-10 11:55 ` Jan Koester
@ 2016-09-10 12:07 ` Jan Koester
0 siblings, 0 replies; 5+ messages in thread
From: Jan Koester @ 2016-09-10 12:07 UTC (permalink / raw)
To: bo.li.liu; +Cc: linux-btrfs
Hi,
also i have wrong size on my filesystem.
sudo btrfs filesystem show
Label: none uuid: 73d4dc77-6ff3-412f-9b0a-0d11458faf32
Total devices 5 FS bytes used 180.00KiB
devid 1 size 931.51GiB used 420.81GiB path /dev/sda
devid 2 size 931.51GiB used 420.81GiB path /dev/sdb
devid 3 size 931.51GiB used 420.81GiB path /dev/sdc
devid 4 size 931.51GiB used 420.81GiB path /dev/sdd
devid 5 size 931.51GiB used 420.81GiB path /dev/sde
that's happen now when i running btrfs repair:
root@dibsi:~# btrfs check --repair
/dev/disk/by-uuid/73d4dc77-6ff3-412f-9b0a-0d11458faf32
enabling repair mode
Checking filesystem on
/dev/disk/by-uuid/73d4dc77-6ff3-412f-9b0a-0d11458faf32
UUID: 73d4dc77-6ff3-412f-9b0a-0d11458faf32
checking extents
parent transid verify failed on 2280458502144 wanted 861168 found 860380
parent transid verify failed on 2280458502144 wanted 861168 found 860380
checksum verify failed on 2280458502144 found FC3DF84D wanted 2164EB93
checksum verify failed on 2280458502144 found FC3DF84D wanted 2164EB93
bytenr mismatch, want=2280458502144, have=15938383240448
parent transid verify failed on 2280458502144 wanted 861168 found 860380
parent transid verify failed on 2280458502144 wanted 861168 found 860380
checksum verify failed on 2280458502144 found FC3DF84D wanted 2164EB93
checksum verify failed on 2280458502144 found FC3DF84D wanted 2164EB93
bytenr mismatch, want=2280458502144, have=15938383240448
parent transid verify failed on 2280458506240 wanted 861168 found 860380
parent transid verify failed on 2280458506240 wanted 861168 found 860380
checksum verify failed on 2280458506240 found E76FAE4B wanted 968BCF7A
checksum verify failed on 2280458506240 found E76FAE4B wanted 968BCF7A
bytenr mismatch, want=2280458506240, have=15938383228160
parent transid verify failed on 2280458510336 wanted 861168 found 860380
parent transid verify failed on 2280458510336 wanted 861168 found 860380
checksum verify failed on 2280458510336 found ABA824E6 wanted FD072FC5
checksum verify failed on 2280458510336 found ABA824E6 wanted FD072FC5
bytenr mismatch, want=2280458510336, have=15938383199488
parent transid verify failed on 2280458620928 wanted 861168 found 860380
parent transid verify failed on 2280458620928 wanted 861168 found 860380
checksum verify failed on 2280458620928 found 4C43E476 wanted F3660326
checksum verify failed on 2280458620928 found 4C43E476 wanted F3660326
bytenr mismatch, want=2280458620928, have=15938383802368
parent transid verify failed on 2280458625024 wanted 861168 found 860380
parent transid verify failed on 2280458625024 wanted 861168 found 860380
checksum verify failed on 2280458625024 found AD8EE78F wanted 093A4586
checksum verify failed on 2280458625024 found AD8EE78F wanted 093A4586
bytenr mismatch, want=2280458625024, have=15938383831040
parent transid verify failed on 2280458629120 wanted 861168 found 860380
parent transid verify failed on 2280458629120 wanted 861168 found 860380
checksum verify failed on 2280458629120 found 67FC5731 wanted 3F68DF37
checksum verify failed on 2280458629120 found 67FC5731 wanted 3F68DF37
bytenr mismatch, want=2280458629120, have=15938383810560
parent transid verify failed on 2280458633216 wanted 861168 found 860380
parent transid verify failed on 2280458633216 wanted 861168 found 860380
checksum verify failed on 2280458633216 found D3E6B383 wanted 372BEB16
checksum verify failed on 2280458633216 found D3E6B383 wanted 372BEB16
bytenr mismatch, want=2280458633216, have=15938383830272
parent transid verify failed on 2280458637312 wanted 861168 found 860380
parent transid verify failed on 2280458637312 wanted 861168 found 860380
checksum verify failed on 2280458637312 found AD56590B wanted 27275E35
checksum verify failed on 2280458637312 found AD56590B wanted 27275E35
bytenr mismatch, want=2280458637312, have=15938383817984
parent transid verify failed on 2280458645504 wanted 861168 found 860380
parent transid verify failed on 2280458645504 wanted 861168 found 860380
checksum verify failed on 2280458645504 found 609E8D90 wanted 62B88736
checksum verify failed on 2280458645504 found 609E8D90 wanted 62B88736
bytenr mismatch, want=2280458645504, have=15938383793408
parent transid verify failed on 2280465395712 wanted 861168 found 860380
parent transid verify failed on 2280465395712 wanted 861168 found 860380
checksum verify failed on 2280465395712 found 1EE17660 wanted 5A593448
checksum verify failed on 2280465395712 found 1EE17660 wanted 5A593448
bytenr mismatch, want=2280465395712, have=15938501561600
parent transid verify failed on 2280415236096 wanted 861168 found 860380
parent transid verify failed on 2280415236096 wanted 861168 found 860380
checksum verify failed on 2280415236096 found F04B13C4 wanted CD1F2721
checksum verify failed on 2280415236096 found F04B13C4 wanted CD1F2721
bytenr mismatch, want=2280415236096, have=15938149183488
parent transid verify failed on 2280259969024 wanted 861166 found 860373
parent transid verify failed on 2280259969024 wanted 861166 found 860373
checksum verify failed on 2280259969024 found B80076DB wanted 09C8FA6F
checksum verify failed on 2280259969024 found B80076DB wanted 09C8FA6F
bytenr mismatch, want=2280259969024, have=15937221663232
parent transid verify failed on 2280409526272 wanted 861168 found 860376
parent transid verify failed on 2280409526272 wanted 861168 found 860376
checksum verify failed on 2280409526272 found 4357A5F3 wanted 969A158E
checksum verify failed on 2280409526272 found 4357A5F3 wanted 969A158E
bytenr mismatch, want=2280409526272, have=15938088724992
parent transid verify failed on 2280428298240 wanted 861168 found 860376
parent transid verify failed on 2280428298240 wanted 861168 found 860376
checksum verify failed on 2280428298240 found B8F51F6A wanted A2F455BD
checksum verify failed on 2280428298240 found B8F51F6A wanted A2F455BD
bytenr mismatch, want=2280428298240, have=15938466364672
parent transid verify failed on 2280446873600 wanted 861168 found 860380
parent transid verify failed on 2280446873600 wanted 861168 found 860380
checksum verify failed on 2280446873600 found DDD2FE66 wanted F89EED66
checksum verify failed on 2280446873600 found DDD2FE66 wanted F89EED66
bytenr mismatch, want=2280446873600, have=15938382596608
parent transid verify failed on 2280272723968 wanted 861166 found 860370
parent transid verify failed on 2280272723968 wanted 861166 found 860370
checksum verify failed on 2280272723968 found E4F93095 wanted B089A4B7
checksum verify failed on 2280272723968 found E4F93095 wanted B089A4B7
bytenr mismatch, want=2280272723968, have=15937216620288
parent transid verify failed on 2280345731072 wanted 861168 found 860377
parent transid verify failed on 2280345731072 wanted 861168 found 860377
checksum verify failed on 2280345731072 found 316EB1A6 wanted 1249429F
checksum verify failed on 2280345731072 found 316EB1A6 wanted 1249429F
bytenr mismatch, want=2280345731072, have=15937407592192
parent transid verify failed on 2280347447296 wanted 861167 found 860377
parent transid verify failed on 2280347447296 wanted 861167 found 860377
checksum verify failed on 2280347447296 found 6D4A46D8 wanted F2C503E1
checksum verify failed on 2280347447296 found 6D4A46D8 wanted F2C503E1
bytenr mismatch, want=2280347447296, have=15937414706944
parent transid verify failed on 2280388960256 wanted 861168 found 860380
parent transid verify failed on 2280388960256 wanted 861168 found 860380
checksum verify failed on 2280388960256 found 3B3067A0 wanted 46EE075B
checksum verify failed on 2280388960256 found 3B3067A0 wanted 46EE075B
bytenr mismatch, want=2280388960256, have=15938310299648
parent transid verify failed on 2280389693440 wanted 861168 found 860380
parent transid verify failed on 2280389693440 wanted 861168 found 860380
checksum verify failed on 2280389693440 found FABC36B0 wanted E26236B9
checksum verify failed on 2280389693440 found FABC36B0 wanted E26236B9
bytenr mismatch, want=2280389693440, have=15938306026752
parent transid verify failed on 2280157011968 wanted 861165 found 860361
parent transid verify failed on 2280157011968 wanted 861165 found 860361
checksum verify failed on 2280157011968 found 40E10FA2 wanted FF1F5A65
checksum verify failed on 2280157011968 found 40E10FA2 wanted FF1F5A65
bytenr mismatch, want=2280157011968, have=15936811604480
parent transid verify failed on 2280157970432 wanted 861165 found 860361
parent transid verify failed on 2280157970432 wanted 861165 found 860361
checksum verify failed on 2280157970432 found 331A4EF6 wanted 6D271A13
checksum verify failed on 2280157970432 found 331A4EF6 wanted 6D271A13
bytenr mismatch, want=2280157970432, have=15936577447680
parent transid verify failed on 2280427163648 wanted 861168 found 860380
parent transid verify failed on 2280427163648 wanted 861168 found 860380
checksum verify failed on 2280427163648 found 1C8FE3B6 wanted 95818BD4
checksum verify failed on 2280427163648 found 1C8FE3B6 wanted 95818BD4
bytenr mismatch, want=2280427163648, have=15938458906624
parent transid verify failed on 2280445718528 wanted 861168 found 860380
parent transid verify failed on 2280445718528 wanted 861168 found 860380
checksum verify failed on 2280445718528 found 67E355D6 wanted B49E524F
checksum verify failed on 2280445718528 found 67E355D6 wanted B49E524F
bytenr mismatch, want=2280445718528, have=15938385121280
parent transid verify failed on 503649468416 wanted 2486 found 861173
Ignoring transid failure
parent transid verify failed on 503649472512 wanted 2486 found 861173
parent transid verify failed on 503649472512 wanted 2486 found 861173
checksum verify failed on 503649472512 found 07F7C5F5 wanted 0BD8C7F3
checksum verify failed on 503649472512 found 07F7C5F5 wanted 0BD8C7F3
bytenr mismatch, want=503649472512, have=372927852544
parent transid verify failed on 503649476608 wanted 818691 found 861173
parent transid verify failed on 503649476608 wanted 818691 found 861173
checksum verify failed on 503649476608 found F4F3F1B1 wanted 1C93F3D7
checksum verify failed on 503649476608 found F4F3F1B1 wanted 1C93F3D7
bytenr mismatch, want=503649476608, have=372927881216
parent transid verify failed on 503649480704 wanted 2486 found 861173
parent transid verify failed on 503649480704 wanted 2486 found 861173
checksum verify failed on 503649480704 found 8FAAA22D wanted A8B4E15D
bytenr mismatch, want=503649480704, have=503649415168
parent transid verify failed on 503649484800 wanted 141269 found 861172
parent transid verify failed on 503649484800 wanted 141269 found 861172
checksum verify failed on 503649484800 found 44F98D19 wanted 82B3BBC8
checksum verify failed on 503649484800 found 44F98D19 wanted 82B3BBC8
bytenr mismatch, want=503649484800, have=372927880448
parent transid verify failed on 503649505280 wanted 2486 found 861173
parent transid verify failed on 503649505280 wanted 2486 found 861173
checksum verify failed on 503649505280 found 84B91D35 wanted 1356A853
checksum verify failed on 503649505280 found 84B91D35 wanted 1356A853
bytenr mismatch, want=503649505280, have=372927878912
parent transid verify failed on 503649509376 wanted 2486 found 861169
parent transid verify failed on 503649509376 wanted 2486 found 861169
checksum verify failed on 503649509376 found B861BAA7 wanted DED915CC
parent transid verify failed on 503649509376 wanted 2486 found 861169
Ignoring transid failure
bad block 503649509376
Errors found in extent allocation tree or chunk allocation
parent transid verify failed on 2280458502144 wanted 861168 found 860380
parent transid verify failed on 2280458502144 wanted 861168 found 860380
checksum verify failed on 2280458502144 found FC3DF84D wanted 2164EB93
checksum verify failed on 2280458502144 found FC3DF84D wanted 2164EB93
bytenr mismatch, want=2280458502144, have=15938383240448
Am 10.09.2016 um 13:55 schrieb Jan Koester:
> 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 ]---
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe
>>> linux-btrfs" in
>>> the body of a message to majordomo@vger.kernel.org
>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>
>> 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
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
>> the body of a message to majordomo@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 majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2016-09-10 12:08 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-09-09 12:41 segfault btrfs scrub Jan Koester
2016-09-09 20:21 ` Liu Bo
2016-09-10 11:47 ` Jan Koester
2016-09-10 11:55 ` Jan Koester
2016-09-10 12:07 ` Jan Koester
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.