Greetings,
The following kernel panic occured on a new 3.13 kernel version running
SCST on top of bcache.
Gcc x86_64-pc-linux-gnu-4.7.3
The system has been running version 3.11.6 and 3.12.2 for sometime
without errors.
[365057.392767] ------------[ cut here ]------------
[365057.392855] kernel BUG at drivers/md/bcache/btree.c:1168!
[365057.392943] invalid opcode: 0000 [#1] SMP
[365057.393018] Modules linked in: zfs(PO) zunicode(PO) zavl(PO)
zcommon(PO) znvpair(PO) spl(O) qla2x00tgt(O) w83792d w83627hf hwmon_vid
qla2xxx iscsi_scst(O) scst_vdisk(O) scst(O) ipv6 p4_clockmod
speedstep_lib e1000e ptp e100 mii pps_core coretemp snd_ca0106
snd_ac97_codec ac97_bus snd_rawmidi arcmsr(O) [last unloaded: zfs]
[365057.393797] CPU: 4 PID: 2269 Comm: bcache_gc Tainted: P O
3.13.0 #1
[365057.393900] Hardware name: Supermicro X7DVL/X7DVL, BIOS 2.1a 12/20/2008
[365057.394000] task: ffff88041cc38050 ti: ffff880418d62000 task.ti:
ffff880418d62000
[365057.394115] RIP: 0010:[<ffffffff8166c083>] [<ffffffff8166c083>]
__bch_btree_mark_key+0x263/0x2a0
[365057.394271] RSP: 0018:ffff880418d63ca8 EFLAGS: 00010246
[365057.394354] RAX: 0000000000000002 RBX: 0000000000000000 RCX:
0000000000001e00
[365057.394456] RDX: 0000000000000002 RSI: 0000000000000001 RDI:
0000000000000000
[365057.394559] RBP: ffff880419700578 R08: ffffc90002f75b28 R09:
0000000000003fff
[365057.394662] R10: 0000001000000000 R11: 0000000000000001 R12:
ffff8800cb1e0000
[365057.394765] R13: 0000000000000000 R14: 000007ffffffffff R15:
0000000000000001
[365057.394869] FS: 0000000000000000(0000) GS:ffff88042fd00000(0000)
knlGS:0000000000000000
[365057.394991] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[365057.395074] CR2: 00007ffecbebb000 CR3: 0000000416871000 CR4:
00000000000007e0
[365057.395177] Stack:
[365057.395218] ffff88041b567800 ffff880418d63d18 ffffffff81668880
ffff880419700578
[365057.395380] ffff880418d63d18 ffff88041b567800 ffff880418d63dd8
0000000000000001
[365057.395542] 0000000000000039 0000000000000000 ffff880419700578
ffffffff8166c462
[365057.395705] Call Trace:
[365057.395750] [<ffffffff81668880>] ? bch_cache_allocator_init+0x70/0x70
[365057.395848] [<ffffffff8166c462>] ? btree_gc_mark_node+0x72/0x1e0
[365057.395947] [<ffffffff8136c213>] ?
call_rwsem_down_write_failed+0x13/0x20
[365057.396057] [<ffffffff8166e4dd>] ? bch_btree_gc+0x1bd/0x4c0
[365057.396137] [<ffffffff81067fe5>] ? try_to_wake_up+0x1e5/0x280
[365057.396226] [<ffffffff8166e808>] ? bch_gc_thread+0x28/0xf0
[365057.396318] [<ffffffff8166e7e0>] ? bch_btree_gc+0x4c0/0x4c0
[365057.396398] [<ffffffff8105df5c>] ? kthread+0xbc/0xe0
[365057.396473] [<ffffffff8105dea0>] ? __kthread_parkme+0x70/0x70
[365057.396563] [<ffffffff8183487c>] ? ret_from_fork+0x7c/0xb0
[365057.396655] [<ffffffff8105dea0>] ? __kthread_parkme+0x70/0x70
[365057.396742] Code: 89 4c 24 10 4c 89 54 24 08 e8 9a ff 00 00 4c 8b 44
24 18 84 c0 44 8b 4c 24 10 4c 8b 54 24 08 75 0c 41 0f b7 40 0a e9 c5 fe
ff ff <0f> 0b 4c 89 44 24 18 44 89 4c 24 10 4c 89 54 24 08 e8 73 bc 1b
[365057.397528] RIP [<ffffffff8166c083>] __bch_btree_mark_key+0x263/0x2a0
[365057.397640] RSP <ffff880418d63ca8>
[365057.422535] ---[ end trace 0677b5ad54c8ddaa ]---
thanks,
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