Hard to tell, as I only saw it once. It happened during rsync; there were snapshots created and dropped a few minutes before.
On Mon, 13 Jan 2014 09:24:13 +0800 Gui Hecheng <guihc.f...@cn.fujitsu.com> wrote: > Hi Tomasz, > Similar bug has been reported by Pedro Fonseca <pfons...@mpi-sws.org> > before, how do you trigger this or what operations are you doing? > > Thanks, > Gui > > On Sun, 2014-01-12 at 23:47 +0100, Tomasz Chmielewski wrote: > > Just had this on a btrfs filesystem running 3.13-rc7. > > > > The filesystem was working fine till now and was passing balance and > > scrub properly without any issues a couple of days ago: > > > > [273059.042280] ------------[ cut here ]------------ > > [273059.042369] WARNING: CPU: 6 PID: 20754 at fs/btrfs/inode.c:4721 > > inode_tree_add+0xc2/0x13f [btrfs]() [273059.042484] Modules linked > > in: ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 > > nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables cpufreq_ondemand > > cpufreq_conservative cpufreq_powersave cpufreq_stats bridge stp llc > > ipv6 btrfs xor raid6_pq zlib_deflate loop lpc_ich mfd_core i2c_i801 > > i2c_core pcspkr button video ehci_pci ehci_hcd acpi_cpufreq ext4 > > crc16 jbd2 mbcache raid1 sg sd_mod ahci libahci libata scsi_mod > > r8169 mii [273059.042901] CPU: 6 PID: 20754 Comm: btrfs-endio-wri > > Tainted: G W 3.13.0-rc7 #1 [273059.043014] Hardware name: > > System manufacturer System Product Name/P8H77-M PRO, BIOS 1101 > > 02/04/2013 [273059.043129] 0000000000000009 ffff8807a7959b18 > > ffffffff81389887 0000000000000006 [273059.043245] 0000000000000000 > > ffff8807a7959b58 ffffffff810370a9 ffff8801b0d21040 [273059.043360] > > ffffffffa027d623 ffff880637209968 ffff88020a8bde88 ffff880667c1b800 > > [273059.043476] Call Trace: [273059.043536] [<ffffffff81389887>] > > dump_stack+0x46/0x58 [273059.043599] [<ffffffff810370a9>] > > warn_slowpath_common+0x77/0x91 [273059.043674] > > [<ffffffffa027d623>] ? inode_tree_add+0xc2/0x13f [btrfs] > > [273059.043738] [<ffffffff810370d8>] warn_slowpath_null+0x15/0x17 > > [273059.043810] [<ffffffffa027d623>] inode_tree_add+0xc2/0x13f > > [btrfs] [273059.043885] [<ffffffffa02840cb>] > > btrfs_iget+0x46c/0x4b6 [btrfs] [273059.043958] > > [<ffffffffa028421a>] relink_extent_backref+0x105/0x6cf [btrfs] > > [273059.044032] [<ffffffffa0284fa1>] > > btrfs_finish_ordered_io+0x7bd/0x877 [btrfs] [273059.044155] > > [<ffffffffa028506b>] finish_ordered_fn+0x10/0x12 [btrfs] > > [273059.044232] [<ffffffffa02a00d1>] worker_loop+0x15e/0x495 > > [btrfs] [273059.044307] [<ffffffffa029ff73>] ? > > btrfs_queue_worker+0x269/0x269 [btrfs] [273059.044372] > > [<ffffffff8104ee9a>] kthread+0xcd/0xd5 [273059.044434] > > [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 > > [273059.044498] [<ffffffff8138e6bc>] ret_from_fork+0x7c/0xb0 > > [273059.044560] [<ffffffff8104edcd>] ? > > kthread_freezable_should_stop+0x43/0x43 [273059.044624] ---[ end > > trace 714ee71af93c5bba ]--- [366782.707007] ------------[ cut here > > ]------------ [366782.707096] WARNING: CPU: 1 PID: 10513 at > > fs/btrfs/ctree.c:1321 btrfs_search_old_slot+0x322/0x7ea [btrfs]() > > [366782.707217] Modules linked in: ipt_MASQUERADE iptable_nat > > nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack > > ip_tables x_tables cpufreq_ondemand cpufreq_conservative > > cpufreq_powersave cpufreq_stats bridge stp llc ipv6 btrfs xor > > raid6_pq zlib_deflate loop lpc_ich mfd_core i2c_i801 i2c_core > > pcspkr button video ehci_pci ehci_hcd acpi_cpufreq ext4 crc16 jbd2 > > mbcache raid1 sg sd_mod ahci libahci libata scsi_mod r8169 mii > > [366782.707669] CPU: 1 PID: 10513 Comm: btrfs-endio-wri Tainted: > > G W 3.13.0-rc7 #1 [366782.707786] Hardware name: System > > manufacturer System Product Name/P8H77-M PRO, BIOS 1101 02/04/2013 > > [366782.707908] 0000000000000009 ffff8803d5779908 ffffffff81389887 > > 0000000000000006 [366782.708031] 0000000000000000 ffff8803d5779948 > > ffffffff810370a9 00000340ae2ac000 [366782.708154] ffffffffa025fe5a > > ffff8807eb4bf7e0 ffff8800632e4800 ffff88072a5a4780 [366782.708277] > > Call Trace: [366782.708339] [<ffffffff81389887>] > > dump_stack+0x46/0x58 [366782.708409] [<ffffffff810370a9>] > > warn_slowpath_common+0x77/0x91 [366782.708488] > > [<ffffffffa025fe5a>] ? btrfs_search_old_slot+0x322/0x7ea [btrfs] > > [366782.708611] [<ffffffff810370d8>] warn_slowpath_null+0x15/0x17 > > [366782.708688] [<ffffffffa025fe5a>] > > btrfs_search_old_slot+0x322/0x7ea [btrfs] [366782.708779] > > [<ffffffffa0294be1>] ? free_extent_buffer+0x6f/0x7c [btrfs] > > [366782.708870] [<ffffffffa02c2b3b>] > > __resolve_indirect_refs+0x10f/0x48d [btrfs] [366782.709009] > > [<ffffffffa02c3a26>] find_parent_nodes+0x337/0x5d2 [btrfs] > > [366782.709099] [<ffffffffa02c44d4>] > > iterate_extent_inodes+0xc9/0x1d6 [btrfs] [366782.709185] > > [<ffffffffa027c9ad>] ? record_extent_backrefs+0xc3/0xc3 [btrfs] > > [366782.709273] [<ffffffffa027c9ad>] ? > > record_extent_backrefs+0xc3/0xc3 [btrfs] [366782.709361] > > [<ffffffffa02c4660>] iterate_inodes_from_logical+0x7f/0x95 [btrfs] > > [366782.709501] [<ffffffffa027c945>] > > record_extent_backrefs+0x5b/0xc3 [btrfs] [366782.709588] > > [<ffffffffa0284f5e>] btrfs_finish_ordered_io+0x77a/0x877 [btrfs] > > [366782.709729] [<ffffffffa028506b>] finish_ordered_fn+0x10/0x12 > > [btrfs] [366782.709814] [<ffffffffa02a00d1>] > > worker_loop+0x15e/0x495 [btrfs] [366782.709902] > > [<ffffffffa029ff73>] ? btrfs_queue_worker+0x269/0x269 [btrfs] > > [366782.709976] [<ffffffff8104ee9a>] kthread+0xcd/0xd5 > > [366782.710043] [<ffffffff8104edcd>] ? > > kthread_freezable_should_stop+0x43/0x43 [366782.710113] > > [<ffffffff8138e6bc>] ret_from_fork+0x7c/0xb0 [366782.710182] > > [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 > > [366782.710249] ---[ end trace 714ee71af93c5bbb ]--- > > [366782.710335] BTRFS critical (device sdd1): unable to find > > logical 7014136843253448704 len 4096 [366782.710471] > > ------------[ cut here ]------------ [366782.711962] kernel BUG at > > fs/btrfs/inode.c:1593! [366782.712033] invalid opcode: 0000 [#1] > > SMP [366782.712100] Modules linked in: ipt_MASQUERADE iptable_nat > > nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack > > ip_tables x_tables cpufreq_ondemand cpufreq_conservative > > cpufreq_powersave cpufreq_stats bridge stp llc ipv6 btrfs xor > > raid6_pq zlib_deflate loop lpc_ich mfd_core i2c_i801 i2c_core > > pcspkr button video ehci_pci ehci_hcd acpi_cpufreq ext4 crc16 jbd2 > > mbcache raid1 sg sd_mod ahci libahci libata scsi_mod r8169 mii > > [366782.712707] CPU: 1 PID: 10513 Comm: btrfs-endio-wri Tainted: > > G W 3.13.0-rc7 #1 [366782.712860] Hardware name: System > > manufacturer System Product Name/P8H77-M PRO, BIOS 1101 02/04/2013 > > [366782.712998] task: ffff8807f36ddc40 ti: ffff8803d5778000 > > task.ti: ffff8803d5778000 [366782.713157] RIP: > > 0010:[<ffffffffa027e21c>] [<ffffffffa027e21c>] > > btrfs_merge_bio_hook+0x53/0x68 [btrfs] [366782.713310] RSP: > > 0018:ffff8803d5779588 EFLAGS: 00010282 [366782.713378] RAX: > > 00000000ffffffea RBX: 0000000000001000 RCX: 0000000000000046 > > [366782.713476] RDX: 0000000000000006 RSI: 0000000000000046 RDI: > > ffff88081fa4d040 [366782.713609] RBP: ffff8803d57795a8 R08: > > 0000000000000000 R09: 0000000000000000 [366782.713738] R10: > > 0000000000000000 R11: ffff8807ff420000 R12: 0000000000001000 > > [366782.713877] R13: ffff8806f26882e8 R14: 0030ab9c25f20d08 R15: > > ffff8807eff10850 [366782.714017] FS: 0000000000000000(0000) > > GS:ffff88081fa40000(0000) knlGS:0000000000000000 [366782.714170] > > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [366782.714240] > > CR2: 0000000002518000 CR3: 000000000160b000 CR4: 00000000001407e0 > > [366782.714378] Stack: [366782.714442] 0000000000000004 > > 0000000000001000 0000000000001000 ffff8803d57797e8 [366782.714585] > > ffff8803d5779608 ffffffffa02925f1 ffff8803d5779608 0000000000000000 > > [366782.714720] ffffea001d4fa680 0000002000000000 ffff8803d5779fd8 > > 6157384be41a1000 [366782.714854] Call Trace: [366782.714928] > > [<ffffffffa02925f1>] submit_extent_page.isra.39+0xea/0x17e [btrfs] > > [366782.715074] [<ffffffffa02935b0>] __do_readpage+0x49f/0x540 > > [btrfs] [366782.715150] [<ffffffffa0292864>] ? > > repair_io_failure+0x19e/0x19e [btrfs] [366782.715225] > > [<ffffffffa0273918>] ? verify_parent_transid+0x146/0x146 [btrfs] > > [366782.715352] [<ffffffffa028f5f3>] ? > > btrfs_lookup_ordered_extent+0x5d/0xb3 [btrfs] [366782.715478] > > [<ffffffffa0293706>] __extent_read_full_page+0xb5/0xc4 [btrfs] > > [366782.715553] [<ffffffffa0273918>] ? > > verify_parent_transid+0x146/0x146 [btrfs] [366782.715698] > > [<ffffffffa02957aa>] read_extent_buffer_pages+0x1ff/0x219 [btrfs] > > [366782.715813] [<ffffffff811a6b09>] ? > > radix_tree_insert+0xf3/0x1b7 [366782.715887] > > [<ffffffffa0273918>] ? verify_parent_transid+0x146/0x146 [btrfs] > > [366782.716008] [<ffffffffa0274e83>] > > btree_read_extent_buffer_pages.constprop.123+0x61/0xf9 [btrfs] > > [366782.716133] [<ffffffffa0275424>] read_tree_block+0x2c/0x45 > > [btrfs] [366782.716202] [<ffffffffa025d8a4>] > > read_block_for_search.isra.42+0x2b4/0x2fb [btrfs] [366782.716316] > > [<ffffffff810370b8>] ? warn_slowpath_common+0x86/0x91 > > [366782.716385] [<ffffffffa025ffc5>] > > btrfs_search_old_slot+0x48d/0x7ea [btrfs] [366782.716461] > > [<ffffffffa0294be1>] ? free_extent_buffer+0x6f/0x7c [btrfs] > > [366782.716537] [<ffffffffa02c2b3b>] > > __resolve_indirect_refs+0x10f/0x48d [btrfs] [366782.716661] > > [<ffffffffa02c3a26>] find_parent_nodes+0x337/0x5d2 [btrfs] > > [366782.716736] [<ffffffffa02c44d4>] > > iterate_extent_inodes+0xc9/0x1d6 [btrfs] [366782.716812] > > [<ffffffffa027c9ad>] ? record_extent_backrefs+0xc3/0xc3 [btrfs] > > [366782.716886] [<ffffffffa027c9ad>] ? > > record_extent_backrefs+0xc3/0xc3 [btrfs] [366782.716961] > > [<ffffffffa02c4660>] iterate_inodes_from_logical+0x7f/0x95 [btrfs] > > [366782.717084] [<ffffffffa027c945>] > > record_extent_backrefs+0x5b/0xc3 [btrfs] [366782.717159] > > [<ffffffffa0284f5e>] btrfs_finish_ordered_io+0x77a/0x877 [btrfs] > > [366782.717281] [<ffffffffa028506b>] finish_ordered_fn+0x10/0x12 > > [btrfs] [366782.717356] [<ffffffffa02a00d1>] > > worker_loop+0x15e/0x495 [btrfs] [366782.717430] > > [<ffffffffa029ff73>] ? btrfs_queue_worker+0x269/0x269 [btrfs] > > [366782.717494] [<ffffffff8104ee9a>] kthread+0xcd/0xd5 > > [366782.717555] [<ffffffff8104edcd>] ? > > kthread_freezable_should_stop+0x43/0x43 [366782.717619] > > [<ffffffff8138e6bc>] ret_from_fork+0x7c/0xb0 [366782.717681] > > [<ffffffff8104edcd>] ? kthread_freezable_should_stop+0x43/0x43 > > [366782.717743] Code: 8b 58 30 41 89 fa 48 8b b9 e8 01 00 00 48 8d > > 4d e8 48 c1 e2 09 45 31 c9 45 31 c0 44 89 d6 48 89 5d e8 e8 aa df > > 01 00 85 c0 79 02 <0f> 0b 31 c0 4c 01 e3 48 39 5d e8 0f 92 c0 5a 59 > > 5b 41 5c 5d c3 [366782.717986] RIP [<ffffffffa027e21c>] > > btrfs_merge_bio_hook+0x53/0x68 [btrfs] [366782.718061] RSP > > <ffff8803d5779588> [366782.718420] ---[ end trace 714ee71af93c5bbc > > ]--- > > > > > > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
