linux 3.0: kernel BUG at fs/btrfs/inode.c:1584!

[Paul Slootman]

I got the following message just now:

Aug 25 09:53:14 duimalot kernel: kernel BUG at fs/btrfs/inode.c:1584!
Aug 25 09:53:14 duimalot kernel: invalid opcode: 0000 [#1] SMP 
Aug 25 09:53:14 duimalot kernel: CPU 1 
Aug 25 09:53:14 duimalot kernel: Modules linked in: loop 8021q acpi_cpufreq mperf e1000 sg sr_mod e1000e cdrom processor container button evdev thermal_sys i3000_edac arcmsr edac_core
Aug 25 09:53:14 duimalot kernel: 
Aug 25 09:53:14 duimalot kernel: Pid: 12162, comm: btrfs-fixup-0 Tainted: G        W   3.0.0-vs2.3.1-pre8 #2 Supermicro PDSM4+/PDSM4+
Aug 25 09:53:14 duimalot kernel: RIP: 0010:[<ffffffff812220e8>]  [<ffffffff812220e8>] btrfs_writepage_fixup_worker+0x158/0x160
Aug 25 09:53:14 duimalot kernel: RSP: 0018:ffff880117f13df0  EFLAGS: 00010246
Aug 25 09:53:14 duimalot kernel: RAX: 0000000000000000 RBX: 000000000a45b000 RCX: 0000000000000000
Aug 25 09:53:14 duimalot kernel: RDX: 000000025a32b7f4 RSI: 000000000a45b000 RDI: ffff880016ca90a0
Aug 25 09:53:14 duimalot kernel: RBP: ffffea00038a4058 R08: ffffea00002c30a8 R09: ffffffff8124290f
Aug 25 09:53:14 duimalot kernel: R10: 0000000000000010 R11: 0000000000000000 R12: 000000000a45bfff
Aug 25 09:53:14 duimalot kernel: R13: ffff880016ca9178 R14: ffff880016ca9010 R15: 0000000000000000
Aug 25 09:53:14 duimalot kernel: FS:  0000000000000000(0000) GS:ffff88011fd00000(0000) knlGS:0000000000000000
Aug 25 09:53:14 duimalot kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 25 09:53:14 duimalot kernel: CR2: 000000001b0a62f8 CR3: 0000000025608000 CR4: 00000000000006e0
Aug 25 09:53:14 duimalot kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Aug 25 09:53:14 duimalot kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Aug 25 09:53:14 duimalot kernel: Process btrfs-fixup-0 (pid: 12162, threadinfo ffff880117f12000, task ffff880118920760)
Aug 25 09:53:14 duimalot kernel: Stack:
Aug 25 09:53:14 duimalot kernel:  ffff880056cbb420 0000000000000000 ffff8800748aec00 ffff880056cbb428
Aug 25 09:53:14 duimalot kernel:  ffff880056cbb450 ffff8801064aa840 ffff8801064aa890 ffff8801064aa858
Aug 25 09:53:14 duimalot kernel:  ffff8801064aa848 ffffffff8124d419 ffff880117f13e90 ffff880117f13e80
Aug 25 09:53:14 duimalot kernel: Call Trace:
Aug 25 09:53:14 duimalot kernel:  [<ffffffff8124d419>] ? worker_loop+0x169/0x520
Aug 25 09:53:14 duimalot kernel:  [<ffffffff8124d2b0>] ? btrfs_queue_worker+0x2f0/0x2f0
Aug 25 09:53:14 duimalot kernel:  [<ffffffff81065956>] ? kthread+0x96/0xb0
Aug 25 09:53:14 duimalot kernel:  [<ffffffff81495394>] ? kernel_thread_helper+0x4/0x10
Aug 25 09:53:14 duimalot kernel:  [<ffffffff810658c0>] ? kthread_worker_fn+0x180/0x180
Aug 25 09:53:14 duimalot kernel:  [<ffffffff81495390>] ? gs_change+0xb/0xb
Aug 25 09:53:14 duimalot kernel: Code: 5c 41 5d 41 5e 41 5f c3 0f 1f 00 41 b8 50 00 00 00 48 8d 4c 24 10 4c 89 e2 48 89 de 4c 89 f7 e8 7f 1e 02 00 eb ba 0f 1f 44 00 00 <0f> 0b eb fe 0f 1f 40 00 41 56 49 89 fe 41 55 41 54 55 53 48 83 
Aug 25 09:53:14 duimalot kernel: RIP  [<ffffffff812220e8>] btrfs_writepage_fixup_worker+0x158/0x160
Aug 25 09:53:14 duimalot kernel:  RSP <ffff880117f13df0>
Aug 25 09:53:14 duimalot kernel: ---[ end trace 948b88b1d8dd7dc8 ]---

The system has been running previously just fine for more than a year
before I upgraded it to linux 3.0 and added a btrfs filesystem.
This is a storage system, and the btrfs filesystem is 41TB in size.
Currently it's 17% full.

If any other info is needed, let me know.


Paul
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