From: Marc MERLIN <marc@merlins.org>
To: Josef Bacik <jbacik@fb.com>
Cc: linux-btrfs@vger.kernel.org, Chris Mason <clm@fb.com>,
takeuchi_satoru@jp.fujitsu.com
Subject: Re: btrfs balance crash BUG ON fs/btrfs/relocation.c:1062 or RIP build_backref_tree+0x9fc/0xcc4
Date: Wed, 25 Jun 2014 12:40:34 -0700 [thread overview]
Message-ID: <20140625194034.GC18416@merlins.org> (raw)
In-Reply-To: <53A45601.9070305@fb.com>
On Fri, Jun 20, 2014 at 08:40:49AM -0700, Josef Bacik wrote:
> On 06/19/2014 05:53 PM, Marc MERLIN wrote:
> >On Thu, Jun 19, 2014 at 03:50:16PM -0700, Josef Bacik wrote:
> >>Ok same drill as before, reset and apply this, hopefully no panic this
> >>time
> >>
> >>
> >>diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
> >>index 65245a0..bca5240 100644
> >
>
> Ok I see what it is but I want to get rid of the panicing so we're going
> to do this dance a few more times until it's just failing to mount instead
> of panicing, and then we'll fix the actual bug. Give this a whirl, and
> I've added another printk just to make sure what I think is happening is
> actually what's happening, so same drill as before. Thanks,
Patch applied. The panic moved :)
[ 313.756971] BTRFS: device label btrfs_pool2 devid 1 transid 254006 /dev/sda1
[ 313.757467] BTRFS info (device sda1): disk space caching is enabled
[ 313.835538] BTRFS: detected SSD devices, enabling SSD mode
[ 313.932327] BTRFS info (device sda1): continuing balance
[ 313.990048] BTRFS info (device sda1): relocating block group 82699091968 flags 1
[ 316.085055] BTRFS info (device sda1): found 3719 extents
[ 317.797058] running build_backref_tree
[ 317.797075] building backref for bytenr 73005293568 level 0
[ 317.797090] eb in path 173444124672, level 1, cowonly 0, owner 256, gen 231481, last snap 243545, reloc 0, root 256
[ 317.797097] is shared, need_check 1
[ 317.797104] eb in path 67327229952, level 2, cowonly 0, owner 256, gen 243615, last snap 243545, reloc 0, root 256
[ 317.797109] isn't shared, need_check 0
[ 317.797117] eb in path 2176913408, level 3, cowonly 0, owner 256, gen 253956, last snap 243545, reloc 1, root 256
[ 317.797122] is shared, need_check 0
[ 317.797129] eb in path 2320281600, level 4, cowonly 0, owner 256, gen 253957, last snap 243545, reloc 0, root 256
[ 317.797134] isn't shared, need_check 0
[ 317.797139] doing the checking for block 173444124672
[ 317.797144] building backref for bytenr 173444124672 level 1
[ 317.797562] exist is 67327229952, checked 1
[ 317.797571] exist is fucking us, bytenr 67327229952, type 176
[ 317.797578] found shared ref 173244198912, needs checking
[ 317.797583] doing the checking for block 173244198912
[ 317.797588] building backref for bytenr 173244198912 level 2
[ 317.798242] found shared ref 2177122304, needs checking
[ 317.798251] found shared ref 2177081344, needs checking
[ 317.798257] found shared ref 2176827392, needs checking
[ 317.798263] doing the checking for block 2177122304
[ 317.798268] building backref for bytenr 2177122304 level 3
[ 317.798779] eb in path 2314657792, level 4, cowonly 0, owner 6125, gen 253957, last snap 243545, reloc 0, root 6125
[ 317.798787] isn't shared, need_check 1
[ 317.798798] doing the checking for block 2177081344
[ 317.798804] building backref for bytenr 2177081344 level 3
[ 317.798962] eb in path 2320146432, level 4, cowonly 0, owner 6123, gen 253957, last snap 243338, reloc 0, root 6123
[ 317.798970] isn't shared, need_check 1
[ 317.798976] doing the checking for block 2176827392
[ 317.798981] building backref for bytenr 2176827392 level 3
[ 317.799144] eb in path 2320363520, level 4, cowonly 0, owner 6124, gen 253957, last snap 243441, reloc 0, root 6124
[ 317.799151] isn't shared, need_check 1
[ 317.799158] block 2176913408 wasn't checked
[ 317.799162] done building backref tree
[ 317.799193] general protection fault: 0000 [#1] PREEMPT SMP
[ 317.799207] Modules linked in: xt_NFLOG xt_tcpudp xt_comment xt_multiport ip6table_filter ip6_tables iptable_filter ip_tables x_tables nfnetlink_log nfnetlink fuse autofs4 rfcomm bnep bluetooth 6lowpan_iphc rfkill binfmt_misc snd_hda_codec_hdmi snd_hda_codec_analog snd_hda_codec_generic intel_powerclamp coretemp kvm_intel kvm snd_hda_intel snd_hda_controller snd_hda_codec crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel ehci_pci snd_hwdep rpcsec_gss_krb5 snd_pcm_oss snd_mixer_oss snd_pcm nfsd auth_rpcgss snd_seq_midi snd_seq_midi_event nfs_acl snd_rawmidi nfs lockd sunrpc snd_seq snd_seq_device ppdev aes_x86_64 ehci_hcd snd_timer lrw parport_pc dcdbas i7core_edac lp gf128mul gpio_ich dell_wmi parport snd edac_core acpi_cpufreq soundcore lpc_ich processor loop glue_helper tpm_tis tpm sparse_keymap wmi psmouse serio_raw joydev ablk_helper cryptd evdev fscache microcode hid_generic usbhid hid sr_mod cdrom dm_mod tg3 libphy ptp pps_core uhci_hcd usbcore usb_common
[ 317.799543] CPU: 1 PID: 4903 Comm: btrfs-balance Not tainted 3.15.1-amd64-i915-preempt-20140216jbp4 #1
[ 317.799548] Hardware name: Dell Inc. Precision WorkStation T3500 /09KPNV, BIOS A10 01/21/2011
[ 317.799555] task: ffff8805abd56450 ti: ffff8805abd58000 task.ti: ffff8805abd58000
[ 317.799560] RIP: 0010:[<ffffffff81265654>] [<ffffffff81265654>] list_del+0x8/0x2f
[ 317.799573] RSP: 0018:ffff8805abd5bc00 EFLAGS: 00010287
[ 317.799579] RAX: dead000000200200 RBX: ffff8805abfb1640 RCX: ffff8805f57b88e8
[ 317.799584] RDX: dead000000100100 RSI: ffff8805f6d83940 RDI: ffff8805abff8750
[ 317.799589] RBP: ffff8805abd5bc40 R08: 0000000000000000 R09: 0000000000000000
[ 317.799594] R10: 00000000ffffffff R11: 0000000000000000 R12: ffff8805f6d83940
[ 317.799599] R13: ffff8805f57b8820 R14: ffff8805abff8740 R15: ffff8805f6d83980
[ 317.799605] FS: 0000000000000000(0000) GS:ffff880617220000(0000) knlGS:0000000000000000
[ 317.799610] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 317.799615] CR2: 00007f644026f000 CR3: 0000000001c13000 CR4: 00000000000007e0
[ 317.799621] Stack:
[ 317.799625] ffff8805abd5bc40 ffffffff81268c9d ffff8805f57b8924 ffff8805ba7f86e0
[ 317.799643] ffff8805f57b8908 ffff8805f57b88e8 00000000ffffffea ffff8805f57b8800
[ 317.799659] ffff8805abd5bcb8 ffffffff8126af28 ffff8805f57b8820 00000001138d93a8
[ 317.799674] Call Trace:
[ 317.799683] [<ffffffff81268c9d>] ? remove_backref_node+0x4c/0xd5
[ 317.799690] [<ffffffff8126af28>] relocate_block_group+0x390/0x49a
[ 317.799698] [<ffffffff8126b18d>] btrfs_relocate_block_group+0x15b/0x26d
[ 317.799706] [<ffffffff81249b80>] btrfs_relocate_chunk.isra.23+0x5c/0x5e8
[ 317.799715] [<ffffffff8161fc1b>] ? _raw_spin_unlock+0x17/0x2a
[ 317.799722] [<ffffffff812458cc>] ? free_extent_buffer+0x8a/0x8d
[ 317.799729] [<ffffffff8124c406>] btrfs_balance+0x9b6/0xb74
[ 317.799737] [<ffffffff816167cd>] ? printk+0x54/0x56
[ 317.799745] [<ffffffff8124c5c4>] ? btrfs_balance+0xb74/0xb74
[ 317.799752] [<ffffffff8124c61d>] balance_kthread+0x59/0x7b
[ 317.799759] [<ffffffff8106b4b4>] kthread+0xae/0xb6
[ 317.799765] [<ffffffff8106b406>] ? __kthread_parkme+0x61/0x61
[ 317.799774] [<ffffffff8162677c>] ret_from_fork+0x7c/0xb0
[ 317.799780] [<ffffffff8106b406>] ? __kthread_parkme+0x61/0x61
[ 317.799785] Code: 00 00 00 48 c7 c7 fd 89 aa 81 e8 ad 41 eb ff 48 85 c0 48 89 05 6e 6b cb 00 0f 84 7b ff ff ff 31 c0 5d c3 48 8b 47 08 48 8b 17 55 <48> 89 42 08 48 89 10 48 b8 00 01 10 00 00 00 ad de 48 89 07 48
[ 317.799984] RIP [<ffffffff81265654>] list_del+0x8/0x2f
[ 317.799994] RSP <ffff8805abd5bc00>
[ 317.800032] ---[ end trace a9b76875452f420d ]---
[ 317.800039] Kernel panic - not syncing: Fatal exception
[ 317.800181] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff)
[ 317.800187] ---[ end Kernel panic - not syncing: Fatal exception
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/
next prev parent reply other threads:[~2014-06-25 19:40 UTC|newest]
Thread overview: 124+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-07 16:05 btrfs on 3.14rc5 stuck on "btrfs_tree_read_lock sync" Marc MERLIN
2014-04-07 16:10 ` Josef Bacik
2014-04-07 18:51 ` Marc MERLIN
2014-04-07 19:32 ` Chris Mason
2014-04-07 20:00 ` Marc MERLIN
2014-04-09 17:38 ` Marc MERLIN
2014-03-25 1:49 ` How to debug very very slow file delete? Marc MERLIN
2014-03-25 12:13 ` How to debug very very slow file delete? (btrfs on md-raid5) Martin
2014-03-25 13:57 ` Xavier Nicollet
2014-03-25 16:41 ` Marc MERLIN
2014-04-10 17:07 ` How to debug very very slow file delete? (btrfs on md-raid5 with many files, 70GB metadata) Marc MERLIN
2014-04-11 14:15 ` How to debug very very slow file delete? (btrfs on md-raid5) Chris Samuel
2014-04-11 17:23 ` Marc MERLIN
2014-04-11 18:00 ` Duncan
2014-04-11 19:15 ` Roman Mamedov
2014-04-12 20:25 ` very slow btrfs filesystem: any data needed before I wipe it? Marc MERLIN
2014-04-13 4:02 ` Duncan
2014-04-14 1:43 ` Marc MERLIN
2014-04-14 10:28 ` Duncan
2014-04-16 22:35 ` Marc MERLIN
2014-04-13 14:57 ` Marc MERLIN
2014-04-13 16:59 ` what does your btrfsck look like? Marc MERLIN
2014-04-14 2:15 ` How to debug very very slow file delete? Liu Bo
2014-04-14 2:21 ` Liu Bo
2014-06-09 23:40 ` btrfs balance crash BUG ON fs/btrfs/relocation.c:1062 or RIP build_backref_tree+0x9fc/0xcc4 Marc MERLIN
2014-06-10 0:32 ` Russell Coker
2014-06-10 4:58 ` Marc MERLIN
2014-06-14 16:21 ` Marc MERLIN
2014-06-17 18:29 ` Josef Bacik
2014-06-17 18:55 ` Marc MERLIN
2014-06-18 15:26 ` Josef Bacik
2014-06-18 20:21 ` Marc MERLIN
2014-06-19 16:12 ` Josef Bacik
2014-06-19 22:25 ` Marc MERLIN
2014-06-19 22:50 ` Josef Bacik
2014-06-20 0:53 ` Marc MERLIN
2014-06-20 15:40 ` Josef Bacik
2014-06-25 19:40 ` Marc MERLIN [this message]
2014-06-25 21:05 ` Josef Bacik
2015-05-05 21:02 ` 3.19.6: __btrfs_free_extent:5987: errno=-2 No such entry, did btrfs check --repair break it? Marc MERLIN
2015-05-06 11:04 ` Duncan
2015-05-06 17:25 ` Chris Murphy
2015-05-07 3:15 ` Duncan
2015-05-06 17:49 ` Marc MERLIN
-- strict thread matches above, loose matches on Subject: below --
2014-09-03 17:42 kernel BUG at fs/btrfs/extent-tree.c:7727! with 3.17-rc3 Tomasz Chmielewski
2014-09-03 12:04 ` kernel BUG at fs/btrfs/relocation.c:1065 in 3.14.16 to 3.17-rc3 Olivier Bonvalet
2014-09-29 14:13 ` Liu Bo
[not found] ` <20140824000720.GN3875@merlins.org>
[not found] ` <20140926214821.GX13219@merlins.org>
[not found] ` <20150502141102.GB1809@merlins.org>
[not found] ` <20150501210013.GH13624@merlins.org>
2015-04-29 23:21 ` 3.19.3, btrfs send/receive error: failed to clone extents Marc MERLIN
2015-05-02 16:30 ` 3.19.3: check tree block failed + WARNING: device 0 not present on scrub Marc MERLIN
2015-05-02 16:50 ` Christian Dysthe
2015-05-02 17:05 ` Marc MERLIN
2015-05-02 17:20 ` Christian Dysthe
2015-05-02 17:29 ` Marc MERLIN
2015-05-02 18:56 ` Christian Dysthe
2015-05-05 6:32 ` Marc MERLIN
2015-05-05 19:56 ` 3.19.6: __btrfs_free_extent:5987: errno=-2 No such entry Marc MERLIN
2014-09-08 18:04 ` kernel BUG at fs/btrfs/extent-tree.c:7727! with 3.17-rc3 Tomasz Chmielewski
2014-10-04 1:19 ` Tomasz Chmielewski
2014-04-02 8:29 [PATCH 00/27] Replace the old man page with asciidoc and man page for each btrfs subcommand Qu Wenruo
2014-04-02 8:29 ` [PATCH 01/27] btrfs-progs: Introduce asciidoc based man page and btrfs man page Qu Wenruo
2014-04-02 8:29 ` [PATCH 02/27] btrfs-progs: Convert man page for btrfs-subvolume Qu Wenruo
2014-04-02 8:29 ` [PATCH 03/27] btrfs-progs: Convert man page for filesystem subcommand Qu Wenruo
2014-04-02 8:29 ` [PATCH 04/27] btrfs-progs: Convert man page for btrfs-balance Qu Wenruo
2014-04-02 8:29 ` [PATCH 05/27] btrfs-progs: Convert man page for btrfs-device subcommand Qu Wenruo
2014-04-02 8:29 ` [PATCH 06/27] btrfs-progs: Convert man page for btrfs-scrub Qu Wenruo
2014-04-02 8:29 ` [PATCH 07/27] btrfs-progs: Convert man page for btrfs-check Qu Wenruo
2014-04-02 8:29 ` [PATCH 08/27] btrfs-progs: Convert man page for btrfs-rescue Qu Wenruo
2014-04-02 8:29 ` [PATCH 09/27] btrfs-progs: Convert man page for btrfs-inspect-internal Qu Wenruo
2014-04-02 8:29 ` [PATCH 10/27] btrfs-progs: Convert man page for btrfs-send Qu Wenruo
2014-04-02 8:29 ` [PATCH 11/27] btrfs-progs: Convert man page for btrfs-receive Qu Wenruo
2014-04-02 8:29 ` [PATCH 12/27] btrfs-progs: Convert man page for btrfs-quota Qu Wenruo
2014-04-02 8:29 ` [PATCH 13/27] btrfs-progs: Convert and enhance the man page of btrfs-qgroup Qu Wenruo
2014-04-02 8:29 ` [PATCH 14/27] btrfs-progs: Convert man page for btrfs-replace Qu Wenruo
2014-04-04 20:29 ` Marc MERLIN
2014-04-08 1:20 ` Qu Wenruo
2014-04-02 8:29 ` [PATCH 15/27] btrfs-progs: Convert man page for btrfs-dedup Qu Wenruo
2014-04-02 8:29 ` [PATCH 16/27] btrfs-progs: Convert man page for btrfsck Qu Wenruo
2014-04-02 8:29 ` [PATCH 17/27] btrfs-progs: Convert man page for btrfs-convert Qu Wenruo
2014-04-02 8:29 ` [PATCH 18/27] btrfs-progs: Convert man page for btrfs-debug-tree Qu Wenruo
2014-04-02 8:29 ` [PATCH 19/27] btrfs-progs: Convert man page for btrfs-find-root Qu Wenruo
2014-04-02 8:29 ` [PATCH 20/27] btrfs-progs: Convert man page for btrfs-image Qu Wenruo
2014-04-02 8:29 ` [PATCH 21/27] btrfs-progs: Convert man page for btrfs-map-logical Qu Wenruo
2014-04-02 8:29 ` [PATCH 22/27] btrfs-progs: Convert man page for btrfs-show-super Qu Wenruo
2014-04-02 8:29 ` [PATCH 23/27] btrfs-progs: Convert man page for btrfstune Qu Wenruo
2014-04-02 8:29 ` [PATCH 24/27] btrfs-progs: Convert man page for btrfs-zero-log Qu Wenruo
2014-04-04 18:46 ` Marc MERLIN
2014-04-05 22:00 ` cwillu
2014-04-05 22:02 ` Marc MERLIN
2014-04-05 22:03 ` Hugo Mills
2014-04-05 22:21 ` Marc MERLIN
2014-04-05 22:05 ` Marc MERLIN
2014-04-05 22:02 ` Hugo Mills
2014-04-08 1:42 ` Qu Wenruo
2014-04-11 5:54 ` Marc MERLIN
2014-04-02 8:29 ` [PATCH 25/27] btrfs-progs: Convert man page for fsck.btrfs Qu Wenruo
2014-04-02 8:29 ` [PATCH 26/27] btrfs-progs: Convert man page for mkfs.btrfs Qu Wenruo
2014-04-02 8:29 ` [PATCH 27/27] btrfs-progs: Switch to the new asciidoc Documentation Qu Wenruo
2014-04-02 13:24 ` [PATCH 00/27] Replace the old man page with asciidoc and man page for each btrfs subcommand Chris Mason
2014-04-02 14:47 ` Marc MERLIN
2014-04-03 20:33 ` Zach Brown
2014-04-02 17:29 ` David Sterba
2014-04-16 17:12 ` David Sterba
2014-04-16 17:16 ` [PATCH] btrfs-progs: doc: link btrfsck to btrfs-check David Sterba
2014-04-17 0:47 ` Qu Wenruo
2014-04-18 14:48 ` David Sterba
2014-04-30 12:14 ` WorMzy Tykashi
2014-05-05 14:57 ` David Sterba
2014-05-08 1:40 ` Qu Wenruo
2014-05-12 14:09 ` David Sterba
2014-06-03 9:38 ` WorMzy Tykashi
2014-06-03 12:19 ` David Sterba
2014-05-17 17:43 ` [PATCH 00/27] Replace the old man page with asciidoc and man page for each btrfs subcommand Hugo Mills
2014-05-17 18:22 ` Hugo Mills
2014-05-18 7:04 ` Qu Wenruo
2014-05-18 12:05 ` Hugo Mills
2014-05-18 16:02 ` Brendan Hide
2014-05-19 0:35 ` Qu Wenruo
2014-05-18 6:51 ` Qu Wenruo
2014-05-18 10:10 ` Hugo Mills
2014-05-19 13:02 ` Chris Mason
2014-05-19 14:01 ` David Sterba
2014-05-19 14:33 ` David Sterba
2014-05-20 0:34 ` Qu Wenruo
2014-05-20 11:08 ` David Sterba
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