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From: =?utf-8?B?SmFyb3PFgmF3?= Siebert <jsiebert@poczta.wp.pl>
To: linux-btrfs@vger.kernel.org
Subject: kernel BUG at fs/btrfs/ctree.c:1145
Date: Wed, 24 Jul 2013 04:39:39 +0200
Message-ID: <2281947.y0ajIxBEPp@dljproject>
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Sender: linux-btrfs-owner@vger.kernel.org
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Hello,
Since 3.7.X kernel series I noticed kernel BUG in btrfs.
I use:
Linux demo 3.9.11-dlj #1 SMP Tue Jul 23 04:45:02 CEST 2013 x86_64 AMD 
FX(tm)-8150 Eight-Core Processor AuthenticAMD GNU/Linux.
I notice below BUG once per day.
After the BUG, the system stop running some processes,  and can't be 
restarted.
I can run new ssh session and watch the dmesg.
I tested 3.10.2 with te same result.
I hope you can fix it. I will switch to longterm kernel.
BTRFS mount options:
defaults,compress=no,autodefrag,discard,ssd

log from this BUG below:


[65534.453769] ------------[ cut here ]------------
[65534.455361] kernel BUG at fs/btrfs/ctree.c:1145!
[65534.456919] invalid opcode: 0000 [#1] SMP 
[65534.458491] Modules linked in: hwmon_vid ipv6 cpufreq_ondemand lp ppdev 
parport_pc parport i2c_dev acpi_cpufreq mperf freq_table sp5100_tco kvm 
crc32_pclmul crc32c_intel ghash_clmulni_intel microcode evdev radeon ttm 
drm_kms_helper drm fam15h_power agpgart 8139too i2c_algo_bit i2c_piix4 
ohci_hcd mii ehci_pci k10temp i2c_core ehci_hcd firewire_ohci asus_atk0110 
processor shpchp firewire_core thermal_sys wmi hwmon button loop
[65534.466324] CPU 6 
[65534.466358] Pid: 1181768, comm: btrfs-endio-wri Not tainted 3.9.11-dlj #1 
System manufacturer System Product Name/M5A88-V EVO
[65534.470602] RIP: 0010:[<ffffffff814a07db>]  [<ffffffff814a07db>] 
__tree_mod_log_rewind+0x20b/0x210
[65534.472912] RSP: 0018:ffff8802a903d8e0  EFLAGS: 00010293
[65534.475221] RAX: 0000000000000001 RBX: ffff880407a47e80 RCX: ffff8802a903d888
[65534.477596] RDX: ffff880407a47e81 RSI: ffff8802a474b0a7 RDI: ffff880407a47700
[65534.480032] RBP: ffff8802a903d908 R08: 0000000000001000 R09: ffff8802a903d898
[65534.482479] R10: 000000000008b72c R11: 0000000000000000 R12: ffff8803282522a0
[65534.484914] R13: 0000000000000003 R14: ffff880407a47900 R15: 00000000000000f3
[65534.487368] FS:  00007f47c00f0700(0000) GS:ffff88041ed80000(0000) 
knlGS:0000000000000000
[65534.489894] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[65534.492437] CR2: 00007f08be7eca08 CR3: 00000003f46b6000 CR4: 
00000000000407e0
[65534.495056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
0000000000000000
[65534.497673] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[65534.500290] Process btrfs-endio-wri (pid: 1181768, threadinfo 
ffff8802a903c000, task ffff88040bbd5400)
[65534.503012] Stack:
[65534.505696]  ffff880328111e10 ffff880328111e18 0000160000000000 
0000000000000001
[65534.508536]  ffff8803281f3ce0 ffff8802a903d988 ffffffff814a83a2 ffff880407a47900
[65534.511396]  ffff88040b680000 00000000a903d948 00000000000000f3 
ffff8803282522a0
[65534.514293] Call Trace:
[65534.517195]  [<ffffffff814a83a2>] btrfs_search_old_slot+0x542/0x8c0
[65534.520178]  [<ffffffff814ab39f>] btrfs_next_old_leaf+0xff/0x4a0
[65534.523187]  [<ffffffff8152068f>] __resolve_indirect_refs+0x2df/0x5d0
[65534.526211]  [<ffffffff815212c4>] find_parent_nodes+0x944/0xfd0
[65534.529277]  [<ffffffff814c8115>] ? join_transaction.isra.12+0x25/0x380
[65534.532373]  [<ffffffff814cd060>] ? can_nocow_odirect+0x310/0x310
[65534.535448]  [<ffffffff8152237d>] iterate_extent_inodes+0xfd/0x2a0
[65534.538555]  [<ffffffff814cd060>] ? can_nocow_odirect+0x310/0x310
[65534.541683]  [<ffffffff815225b2>] iterate_inodes_from_logical+0x92/0xb0
[65534.544846]  [<ffffffff814cae77>] record_extent_backrefs+0x77/0xf0
[65534.548038]  [<ffffffff814d5df6>] btrfs_finish_ordered_io+0x156/0x9c0
[65534.551239]  [<ffffffff814d6825>] finish_ordered_fn+0x15/0x20
[65534.554446]  [<ffffffff814f5a0e>] worker_loop+0x13e/0x500
[65534.557656]  [<ffffffff814f58d0>] ? btrfs_queue_worker+0x300/0x300
[65534.560896]  [<ffffffff81079850>] kthread+0xc0/0xd0
[65534.564137]  [<ffffffff81050000>] ? syscall32_setup_pages+0x150/0x160
[65534.567429]  [<ffffffff81079790>] ? kthread_create_on_node+0x120/0x120
[65534.570784]  [<ffffffff81b68edc>] ret_from_fork+0x7c/0xb0
[65534.574131]  [<ffffffff81079790>] ? kthread_create_on_node+0x120/0x120
[65534.577557] Code: c1 48 63 43 58 48 89 c2 48 c1 e2 05 48 8d 54 10 65 48 63 
43 2c 48 89 c6 48 c1 e6 05 48 8d 74 30 65 e8 ba 99 04 00 e9 da fe ff ff <0f> 0b 
0f 0b 90 66 66 66 66 90 55 48 b9 00 00 00 00 00 16 00 00 
[65534.585040] RIP  [<ffffffff814a07db>] __tree_mod_log_rewind+0x20b/0x210
[65534.588670]  RSP <ffff8802a903d8e0>
[65534.605795] ---[ end trace c7a43fbc947f83d6 ]---