linux-kernel - 3.0.8: INFO: rcu_bh_state detected stall on CPU 0 (t=0 jiffies) on a Supermicro X7SPA-HF/X7SPA-HF

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Date:	Thu, 10 Nov 2011 08:03:40 -0500
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	linux-kernel@...r.kernel.org
Cc:	Alan Piszcz <ap@...arrain.com>
Subject: 3.0.8: INFO: rcu_bh_state detected stall on CPU 0 (t=0 jiffies) on a
 Supermicro X7SPA-HF/X7SPA-HF

Hello,

This error happened in the past 8-16 hours, have not seen it before,
any thoughts on this?
Should [*] cpu_idle kernel config option be used when using an Atom processor?

[730362.763025] INFO: rcu_bh_state detected stall on CPU 0 (t=0 jiffies)
[730362.763034] sending NMI to all CPUs:
[730362.763051] NMI backtrace for cpu 3
[730362.763060] CPU 3
[730362.763069] Pid: 0, comm: kworker/0:1 Not tainted 3.0.8 #5
Supermicro X7SPA-HF/X7SPA-HF
[730362.763081] RIP: 0010:[<ffffffff812f8913>]  [<ffffffff812f8913>]
intel_idle+0x93/0x110
[730362.763099] RSP: 0018:ffff88013f149e98  EFLAGS: 00000046
[730362.763105] RAX: 0000000000000000 RBX: 0000000000000002 RCX:
0000000000000001
[730362.763112] RDX: 0000000000000000 RSI: ffff88013f149fd8 RDI:
ffffffff81825280
[730362.763120] RBP: ffff88013f149ee8 R08: 00000000fffffffe R09:
00000000000002ff
[730362.763126] R10: 000000012b83df9f R11: 0000000000000000 R12:
0000000000000000
[730362.763133] R13: 1254cff2523f6e5d R14: 0000000000000000 R15:
0000000000000000
[730362.763141] FS:  0000000000000000(0000) GS:ffff88013fd80000(0000)
knlGS:0000000000000000
[730362.763149] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[730362.763156] CR2: 00007fa93a72d000 CR3: 000000011b3ed000 CR4:
00000000000006e0
[730362.763162] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[730362.763169] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[730362.763177] Process kworker/0:1 (pid: 0, threadinfo
ffff88013f148000, task ffff88013f145230)
[730362.763183] Stack:
[730362.763187]  ffff88013f149ee8 ffffffff8147b3d3 0000000000000000
00000000000efa6d
[730362.763201]  0000000000000000 00000003000efa6d ffff88013fd95470
ffff88013fd95470
[730362.763213]  ffff88013fd954e0 0000000000000000 ffff88013f149f08
ffffffff8147a1da
[730362.763225] Call Trace:
[730362.763237]  [<ffffffff8147b3d3>] ? menu_select+0xe3/0x360
[730362.763247]  [<ffffffff8147a1da>] cpuidle_idle_call+0x7a/0xf0
[730362.763257]  [<ffffffff810006a6>] cpu_idle+0x56/0xb0
[730362.763268]  [<ffffffff818c17b9>] start_secondary+0x19a/0x19e
[730362.763274] Code: 48 8d 86 28 e0 ff ff 75 22 31 d2 48 83 c0 10 48
89 d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89
e0 0f 01 c9 <e8> 88 ec d5 ff 4c 29 e8 48 89 c7 e8 4d 14 d4 ff 4c 69 e0
40 42
[730362.763362] Call Trace:
[730362.763370]  [<ffffffff8147b3d3>] ? menu_select+0xe3/0x360
[730362.763380]  [<ffffffff8147a1da>] cpuidle_idle_call+0x7a/0xf0
[730362.763388]  [<ffffffff810006a6>] cpu_idle+0x56/0xb0
[730362.763397]  [<ffffffff818c17b9>] start_secondary+0x19a/0x19e
[730362.763403] NMI backtrace for cpu 1
[730362.763407] CPU 1
[730362.763413] Pid: 0, comm: kworker/0:0 Not tainted 3.0.8 #5
Supermicro X7SPA-HF/X7SPA-HF
[730362.763421] RIP: 0010:[<ffffffff812f8913>]  [<ffffffff812f8913>]
intel_idle+0x93/0x110
[730362.763431] RSP: 0018:ffff88013f105e98  EFLAGS: 00000046
[730362.763436] RAX: 0000000000000000 RBX: 0000000000000002 RCX:
0000000000000001
[730362.763441] RDX: 0000000000000000 RSI: ffff88013f105fd8 RDI:
ffffffff81825280
[730362.763446] RBP: ffff88013f105ee8 R08: 00000000fffffffe R09:
00000000000002ff
[730362.763451] R10: 000000012b83df71 R11: 0000000000000000 R12:
0000000000000000
[730362.763457] R13: 1254cff2523f7fc1 R14: 0000000000000000 R15:
0000000000000000
[730362.763463] FS:  0000000000000000(0000) GS:ffff88013fc80000(0000)
knlGS:0000000000000000
[730362.763468] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[730362.763473] CR2: 00007f6a987de000 CR3: 000000011b3ed000 CR4:
00000000000006e0
[730362.763479] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[730362.763484] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[730362.763490] Process kworker/0:0 (pid: 0, threadinfo
ffff88013f104000, task ffff88013f0ff1b0)
[730362.763494] Stack:
[730362.763497]  ffff88013f105ee8 ffffffff8147b3d3 0000000000000000
00000000000ee5a3
[730362.763507]  0000000000000000 00000001000ee5a3 ffff88013fc95470
ffff88013fc95470
[730362.763516]  ffff88013fc954e0 0000000000000000 ffff88013f105f08
ffffffff8147a1da
[730362.763525] Call Trace:
[730362.763532]  [<ffffffff8147b3d3>] ? menu_select+0xe3/0x360
[730362.763540]  [<ffffffff8147a1da>] cpuidle_idle_call+0x7a/0xf0
[730362.763547]  [<ffffffff810006a6>] cpu_idle+0x56/0xb0
[730362.763554]  [<ffffffff818c17b9>] start_secondary+0x19a/0x19e
[730362.763558] Code: 48 8d 86 28 e0 ff ff 75 22 31 d2 48 83 c0 10 48
89 d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89
e0 0f 01 c9 <e8> 88 ec d5 ff 4c 29 e8 48 89 c7 e8 4d 14 d4 ff 4c 69 e0
40 42
[730362.763625] Call Trace:
[730362.763632]  [<ffffffff8147b3d3>] ? menu_select+0xe3/0x360
[730362.763639]  [<ffffffff8147a1da>] cpuidle_idle_call+0x7a/0xf0
[730362.763645]  [<ffffffff810006a6>] cpu_idle+0x56/0xb0
[730362.763652]  [<ffffffff818c17b9>] start_secondary+0x19a/0x19e
[730362.763659] NMI backtrace for cpu 0
[730362.763664] CPU 0
[730362.763673] Pid: 0, comm: swapper Not tainted 3.0.8 #5 Supermicro
X7SPA-HF/X7SPA-HF
[730362.763685] RIP: 0010:[<ffffffff812cc9d0>]  [<ffffffff812cc9d0>]
__delay+0x10/0x10
[730362.763702] RSP: 0018:ffff88013fc03e00  EFLAGS: 00000006
[730362.763708] RAX: 0000000000000c00 RBX: 0000000000002710 RCX:
0000000000000000
[730362.763716] RDX: ffffffff81828ed8 RSI: 0000000000000002 RDI:
0000000000418958
[730362.763723] RBP: ffff88013fc03e18 R08: 0000000000000000 R09:
0000000000000000
[730362.763730] R10: 000000000000000a R11: 0000000000000000 R12:
ffffffff8182cdc0
[730362.763737] R13: ffffffff8182cdc0 R14: 7fffffffffffffff R15:
00029842d50bed97
[730362.763745] FS:  0000000000000000(0000) GS:ffff88013fc00000(0000)
knlGS:0000000000000000
[730362.763753] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[730362.763759] CR2: 00007f151a398000 CR3: 0000000134e07000 CR4:
00000000000006f0
[730362.763766] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[730362.763773] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[730362.763781] Process swapper (pid: 0, threadinfo ffffffff81800000,
task ffffffff81823020)
[730362.763787] Stack:
[730362.763791]  ffffffff8101a5ea 0000000000000000 ffff88013fc0cdc0
ffff88013fc03e68
[730362.763804]  ffffffff8106d399 ffff88013afb9c00 0000000000000001
0000000000000000
[730362.763816]  0000000000000000 0000000000000000 0000000000000000
7fffffffffffffff
[730362.763828] Call Trace:
[730362.763833]  <IRQ>
[730362.763845]  [<ffffffff8101a5ea>] ? arch_trigger_all_cpu_backtrace+0x6a/0x90
[730362.763855]  [<ffffffff8106d399>] __rcu_pending+0x159/0x390
[730362.763865]  [<ffffffff8106e183>] rcu_check_callbacks+0x103/0x120
[730362.763876]  [<ffffffff81041734>] update_process_times+0x44/0x90
[730362.763887]  [<ffffffff8105e390>] tick_sched_timer+0x60/0xb0
[730362.763897]  [<ffffffff810529be>] __run_hrtimer.isra.34+0x4e/0x110
[730362.763907]  [<ffffffff8105343f>] hrtimer_interrupt+0xdf/0x200
[730362.763917]  [<ffffffff810199e4>] smp_apic_timer_interrupt+0x64/0xa0
[730362.763927]  [<ffffffff815ccf93>] apic_timer_interrupt+0x13/0x20
[730362.763933]  <EOI>
[730362.763943]  [<ffffffff812f8944>] ? intel_idle+0xc4/0x110
[730362.763952]  [<ffffffff812f8923>] ? intel_idle+0xa3/0x110
[730362.763962]  [<ffffffff8147a1da>] cpuidle_idle_call+0x7a/0xf0
[730362.763972]  [<ffffffff810006a6>] cpu_idle+0x56/0xb0
[730362.763981]  [<ffffffff815b4ac4>] rest_init+0x68/0x74
[730362.763984]  [<ffffffff81890a6d>] start_kernel+0x2a0/0x2ab
[730362.763984]  [<ffffffff818902ee>] x86_64_start_reservations+0xfe/0x102
[730362.763984]  [<ffffffff818903e3>] x86_64_start_kernel+0xf1/0xf9
[730362.763984] Code: ea 56 00 40 c9 2c 81 48 89 e5 5d c3 66 66 66 66
66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 ff 15 0e ea 56 00 5d c3
0f 1f 40 00
[730362.764081]  48 8d 04 bd 00 00 00 00 48 89 e5 65 48 8b 14 25 18 04 01 00
[730362.764081] Call Trace:
[730362.764081]  <IRQ>  [<ffffffff8101a5ea>] ?
arch_trigger_all_cpu_backtrace+0x6a/0x90
[730362.764081]  [<ffffffff8106d399>] __rcu_pending+0x159/0x390
[730362.764081]  [<ffffffff8106e183>] rcu_check_callbacks+0x103/0x120
[730362.764081]  [<ffffffff81041734>] update_process_times+0x44/0x90
[730362.764081]  [<ffffffff8105e390>] tick_sched_timer+0x60/0xb0
[730362.764081]  [<ffffffff810529be>] __run_hrtimer.isra.34+0x4e/0x110
[730362.764081]  [<ffffffff8105343f>] hrtimer_interrupt+0xdf/0x200
[730362.764081]  [<ffffffff810199e4>] smp_apic_timer_interrupt+0x64/0xa0
[730362.764081]  [<ffffffff815ccf93>] apic_timer_interrupt+0x13/0x20
[730362.764081]  <EOI>  [<ffffffff812f8944>] ? intel_idle+0xc4/0x110
[730362.764081]  [<ffffffff812f8923>] ? intel_idle+0xa3/0x110
[730362.764081]  [<ffffffff8147a1da>] cpuidle_idle_call+0x7a/0xf0
[730362.764081]  [<ffffffff810006a6>] cpu_idle+0x56/0xb0
[730362.764081]  [<ffffffff815b4ac4>] rest_init+0x68/0x74
[730362.764081]  [<ffffffff81890a6d>] start_kernel+0x2a0/0x2ab
[730362.764081]  [<ffffffff818902ee>] x86_64_start_reservations+0xfe/0x102
[730362.764081]  [<ffffffff818903e3>] x86_64_start_kernel+0xf1/0xf9
[730362.762002] NMI backtrace for cpu 2
[730362.762002] CPU 2
[730362.762002] Pid: 0, comm: kworker/0:1 Not tainted 3.0.8 #5
Supermicro X7SPA-HF/X7SPA-HF
[730362.762002] RIP: 0010:[<ffffffff812f8913>]  [<ffffffff812f8913>]
intel_idle+0x93/0x110
[730362.762002] RSP: 0018:ffff88013f135e98  EFLAGS: 00000046
[730362.762002] RAX: 0000000000000000 RBX: 0000000000000002 RCX:
0000000000000001
[730362.762002] RDX: 0000000000000000 RSI: ffff88013f135fd8 RDI:
ffffffff81825280
[730362.762002] RBP: ffff88013f135ee8 R08: 00000000fffffffe R09:
000000000000012c
[730362.762002] R10: 000000012b83dcb4 R11: 0000000000000000 R12:
0000000000000000
[730362.762002] R13: 1254cff25220b966 R14: 0000000000000000 R15:
0000000000000000
[730362.762002] FS:  0000000000000000(0000) GS:ffff88013fd00000(0000)
knlGS:0000000000000000
[730362.762002] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[730362.762002] CR2: 00007fb7bb31f000 CR3: 0000000134e07000 CR4:
00000000000006e0
[730362.762002] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[730362.762002] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[730362.762002] Process kworker/0:1 (pid: 0, threadinfo
ffff88013f134000, task ffff88013f1311f0)
[730362.762002] Stack:
[730362.762002]  ffff88013f135ee8 ffffffff8147b3d3 0000000000000000
00000000031745d0
[730362.762002]  0000000000000000 00000002031745d0 ffff88013fd15470
ffff88013fd15470
[730362.762002]  ffff88013fd154e0 0000000000000000 ffff88013f135f08
ffffffff8147a1da
[730362.762002] Call Trace:
[730362.762002]  [<ffffffff8147b3d3>] ? menu_select+0xe3/0x360
[730362.762002]  [<ffffffff8147a1da>] cpuidle_idle_call+0x7a/0xf0
[730362.762002]  [<ffffffff810006a6>] cpu_idle+0x56/0xb0
[730362.762002]  [<ffffffff818c17b9>] start_secondary+0x19a/0x19e
[730362.762002] Code: 48 8d 86 28 e0 ff ff 75 22 31 d2 48 83 c0 10 48
89 d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89
e0 0f 01 c9 <e8> 88 ec d5 ff 4c 29 e8 48 89 c7 e8 4d 14 d4 ff 4c 69 e0
40 42
[730362.762002] Call Trace:
[730362.762002]  [<ffffffff8147b3d3>] ? menu_select+0xe3/0x360
[730362.762002]  [<ffffffff8147a1da>] cpuidle_idle_call+0x7a/0xf0
[730362.762002]  [<ffffffff810006a6>] cpu_idle+0x56/0xb0
[730362.762002]  [<ffffffff818c17b9>] start_secondary+0x19a/0x19e

Justin.
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