* 3.4.0 x86_64: rcu_bh self-detected stall on CPU && atom d510 CPU question
@ 2012-06-07 20:26 Justin Piszcz
0 siblings, 0 replies; only message in thread
From: Justin Piszcz @ 2012-06-07 20:26 UTC (permalink / raw)
To: linux-kernel
Hi,
Was curious as to what I should look for as to the root cause of these
stalls?
Additionally, is this option safe/compatible with Atom CPUs?
[*] Cpuidle Driver for Intel Processors
[353037.552017] INFO: rcu_bh self-detected stall on CPU
[353037.552139] 2: (1 GPs behind) idle=029/1/0 \x08
[353037.552206] (t=0 jiffies)
[353037.552313] sending NMI to all CPUs:
[353037.552387] NMI backtrace for cpu 2
[353037.552454] CPU 2
[353037.552565] Pid: 0, comm: swapper/2 Not tainted 3.4.0 #3 Supermicro
X7SPA-HF/X7SPA-HF
[353037.552785] RIP: 0010:[<ffffffff812d3ee1>] [<ffffffff812d3ee1>]
__const_udelay+0x1/0x30
[353037.552930] RSP: 0018:ffff88013fd03df8 EFLAGS: 00000006
[353037.553001] RAX: 0000000000000c00 RBX: 0000000000002710 RCX:
00000000000000bb
[353037.553008] RDX: 00000000000000d4 RSI: 0000000000000002 RDI:
0000000000418958
[353037.553008] RBP: ffff88013fd03e18 R08: 0000000000000000 R09:
0000000000000000
[353037.553008] R10: 0000000000000000 R11: 0000000000000001 R12:
ffffffff8181e600
[353037.553008] R13: ffffffff8181e600 R14: 7fffffffffffffff R15:
00014115f5e14118
[353037.553008] FS: 0000000000000000(0000) GS:ffff88013fd00000(0000)
knlGS:0000000000000000
[353037.553008] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[353037.553008] CR2: ffffffffff600400 CR3: 0000000137319000 CR4:
00000000000007e0
[353037.553008] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[353037.553008] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[353037.553008] Process swapper/2 (pid: 0, threadinfo ffff88013f134000, task
ffff88013f1311c0)
[353037.553008] Stack:
[353037.553008] ffff88013fd03e18 ffffffff8101d12a 0000000000000000
ffff88013fd0d740
[353037.553008] ffff88013fd03e68 ffffffff81071eca ffff880139ab54c0
0000000000001000
[353037.553008] ffff88013af8ce28 0000000000000002 000000000000d740
0000000000000002
[353037.553008] Call Trace:
[353037.553008] <IRQ>
[353037.553008] [<ffffffff8101d12a>] ?
arch_trigger_all_cpu_backtrace+0x6a/0x90
[353037.553008] [<ffffffff81071eca>] __rcu_pending+0x19a/0x4c0
[353037.553008] [<ffffffff81072de7>] rcu_check_callbacks+0xe7/0xf0
[353037.553008] [<ffffffff81039214>] update_process_times+0x44/0x90
[353037.553008] [<ffffffff81061a30>] tick_sched_timer+0x60/0xb0
[353037.553008] [<ffffffff8104abbf>] __run_hrtimer.isra.33+0x4f/0x110
[353037.553008] [<ffffffff8104b63f>] hrtimer_interrupt+0xdf/0x200
[353037.553008] [<ffffffff8101c504>] smp_apic_timer_interrupt+0x64/0xa0
[353037.553008] [<ffffffff815a6e87>] apic_timer_interrupt+0x67/0x70
[353037.553008] <EOI>
[353037.553008] [<ffffffff81306459>] ? intel_idle+0xe9/0x150
[353037.553008] [<ffffffff81306438>] ? intel_idle+0xc8/0x150
[353037.553008] [<ffffffff814390e9>] cpuidle_enter+0x19/0x20
[353037.553008] [<ffffffff81439398>] cpuidle_idle_call+0x88/0xf0
[353037.553008] [<ffffffff8100a0ca>] cpu_idle+0x7a/0xd0
[353037.553008] [<ffffffff818b6460>] start_secondary+0x1a3/0x1a7
[353037.553008] Code: 55 00 50 3e 2d 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 5e 9c 55 00 5d c3 0f 1f 40 00 55
<48> 8d 04 bd 00 00 00 00 48 89 e5 65 48 8b 14 25 18 0f 01 00 48
[353037.553008] Call Trace:
[353037.553008] <IRQ> [<ffffffff8101d12a>] ?
arch_trigger_all_cpu_backtrace+0x6a/0x90
[353037.553008] [<ffffffff81071eca>] __rcu_pending+0x19a/0x4c0
[353037.553008] [<ffffffff81072de7>] rcu_check_callbacks+0xe7/0xf0
[353037.553008] [<ffffffff81039214>] update_process_times+0x44/0x90
[353037.553008] [<ffffffff81061a30>] tick_sched_timer+0x60/0xb0
[353037.553008] [<ffffffff8104abbf>] __run_hrtimer.isra.33+0x4f/0x110
[353037.553008] [<ffffffff8104b63f>] hrtimer_interrupt+0xdf/0x200
[353037.553008] [<ffffffff8101c504>] smp_apic_timer_interrupt+0x64/0xa0
[353037.553008] [<ffffffff815a6e87>] apic_timer_interrupt+0x67/0x70
[353037.553008] <EOI> [<ffffffff81306459>] ? intel_idle+0xe9/0x150
[353037.553008] [<ffffffff81306438>] ? intel_idle+0xc8/0x150
[353037.553008] [<ffffffff814390e9>] cpuidle_enter+0x19/0x20
[353037.553008] [<ffffffff81439398>] cpuidle_idle_call+0x88/0xf0
[353037.553008] [<ffffffff8100a0ca>] cpu_idle+0x7a/0xd0
[353037.553008] [<ffffffff818b6460>] start_secondary+0x1a3/0x1a7
[353037.512258] NMI backtrace for cpu 0
[353037.512258] CPU 0
[353037.512258] Pid: 0, comm: swapper/0 Not tainted 3.4.0 #3 Supermicro
X7SPA-HF/X7SPA-HF
[353037.512258] RIP: 0010:[<ffffffff81306428>] [<ffffffff81306428>]
intel_idle+0xb8/0x150
[353037.512258] RSP: 0018:ffffffff81801e78 EFLAGS: 00000046
[353037.512258] RAX: 0000000000000000 RBX: 0000000000000002 RCX:
0000000000000001
[353037.512258] RDX: 0000000000000000 RSI: ffffffff81801fd8 RDI:
ffffffff81816180
[353037.512258] RBP: ffffffff81801ed8 R08: 00000000fffffffe R09:
000000000000002b
[353037.512258] R10: 0000000000000000 R11: 0000000000000001 R12:
0000000000000001
[353037.512258] R13: ffff88013fc13570 R14: 0000000000000000 R15:
129565355f0f4d6b
[353037.512258] FS: 0000000000000000(0000) GS:ffff88013fc00000(0000)
knlGS:0000000000000000
[353037.512258] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[353037.512258] CR2: ffffffffff600400 CR3: 0000000137319000 CR4:
00000000000007f0
[353037.512258] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[353037.512258] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[353037.512258] Process swapper/0 (pid: 0, threadinfo ffffffff81800000, task
ffffffff81814020)
[353037.512258] Stack:
[353037.512258] 0000000000000000 0000000004b67d89 ffffffff81801ee8
ffffffff8143a7a1
[353037.512258] 0000000000000000 0000000004b67d89 0000000000000000
ffff88013fc13570
[353037.512258] ffffffff81830040 00000000fffffff0 ffffffffffffffff
0000000000000000
[353037.512258] Call Trace:
[353037.512258] [<ffffffff8143a7a1>] ? menu_select+0xf1/0x3a0
[353037.512258] [<ffffffff814390e9>] cpuidle_enter+0x19/0x20
[353037.512258] [<ffffffff81439398>] cpuidle_idle_call+0x88/0xf0
[353037.512258] [<ffffffff8100a0ca>] cpu_idle+0x7a/0xd0
[353037.512258] [<ffffffff81590984>] rest_init+0x68/0x74
[353037.512258] [<ffffffff81884a8f>] start_kernel+0x2a7/0x2b5
[353037.512258] [<ffffffff818845e5>] ? repair_env_string+0x5a/0x5a
[353037.512258] [<ffffffff818842f1>] x86_64_start_reservations+0x101/0x105
[353037.512258] [<ffffffff818843e6>] x86_64_start_kernel+0xf1/0xf9
[353037.512258] 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 f0 0f 01 c9
<e8> 83 46 d5 ff 4c 29 f8 48 89 c7 e8 88 c5 d2 ff 4c 69 f0 40 42
[353037.512258] Call Trace:
[353037.512258] [<ffffffff8143a7a1>] ? menu_select+0xf1/0x3a0
[353037.512258] [<ffffffff814390e9>] cpuidle_enter+0x19/0x20
[353037.512258] [<ffffffff81439398>] cpuidle_idle_call+0x88/0xf0
[353037.512258] [<ffffffff8100a0ca>] cpu_idle+0x7a/0xd0
[353037.512258] [<ffffffff81590984>] rest_init+0x68/0x74
[353037.512258] [<ffffffff81884a8f>] start_kernel+0x2a7/0x2b5
[353037.512258] [<ffffffff818845e5>] ? repair_env_string+0x5a/0x5a
[353037.512258] [<ffffffff818842f1>] x86_64_start_reservations+0x101/0x105
[353037.512258] [<ffffffff818843e6>] x86_64_start_kernel+0xf1/0xf9
[353037.553005] NMI backtrace for cpu 1
[353037.553005] CPU 1
[353037.553005] Pid: 0, comm: swapper/1 Not tainted 3.4.0 #3 Supermicro
X7SPA-HF/X7SPA-HF
[353037.553005] RIP: 0010:[<ffffffff81306428>] [<ffffffff81306428>]
intel_idle+0xb8/0x150
[353037.553005] RSP: 0018:ffff88013f105e68 EFLAGS: 00000046
[353037.553005] RAX: 0000000000000000 RBX: 0000000000000002 RCX:
0000000000000001
[353037.553005] RDX: 0000000000000000 RSI: ffff88013f105fd8 RDI:
ffffffff81816180
[353037.553005] RBP: ffff88013f105ec8 R08: 00000000fffffffe R09:
0000000000000284
[353037.553005] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000001
[353037.553005] R13: ffff88013fc93570 R14: 0000000000000000 R15:
12956535617ca871
[353037.553005] FS: 0000000000000000(0000) GS:ffff88013fc80000(0000)
knlGS:0000000000000000
[353037.553005] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[353037.553005] CR2: ffffffffff600400 CR3: 000000013a035000 CR4:
00000000000007e0
[353037.553005] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[353037.553005] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[353037.553005] Process swapper/1 (pid: 0, threadinfo ffff88013f104000, task
ffff88013f0ff180)
[353037.553005] Stack:
[353037.553005] 0000000000000000 00000000000f100e ffff88013f105ed8
ffffffff8143a7a1
[353037.553005] 0000000000000000 00000001000f100e 0000000000000000
ffff88013fc93570
[353037.553005] ffffffff81830040 00000000fffffff0 0000000000000000
0000000000000000
[353037.553005] Call Trace:
[353037.553005] [<ffffffff8143a7a1>] ? menu_select+0xf1/0x3a0
[353037.553005] [<ffffffff814390e9>] cpuidle_enter+0x19/0x20
[353037.553005] [<ffffffff81439398>] cpuidle_idle_call+0x88/0xf0
[353037.553005] [<ffffffff8100a0ca>] cpu_idle+0x7a/0xd0
[353037.553005] [<ffffffff818b6460>] start_secondary+0x1a3/0x1a7
[353037.553005] 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 f0 0f 01 c9
<e8> 83 46 d5 ff 4c 29 f8 48 89 c7 e8 88 c5 d2 ff 4c 69 f0 40 42
[353037.553005] Call Trace:
[353037.553005] [<ffffffff8143a7a1>] ? menu_select+0xf1/0x3a0
[353037.553005] [<ffffffff814390e9>] cpuidle_enter+0x19/0x20
[353037.553005] [<ffffffff81439398>] cpuidle_idle_call+0x88/0xf0
[353037.553005] [<ffffffff8100a0ca>] cpu_idle+0x7a/0xd0
[353037.553005] [<ffffffff818b6460>] start_secondary+0x1a3/0x1a7
[353037.552019] NMI backtrace for cpu 3
[353037.574839] CPU 3
[353037.574839] Pid: 0, comm: swapper/3 Not tainted 3.4.0 #3 Supermicro
X7SPA-HF/X7SPA-HF
[353037.574839] RIP: 0010:[<ffffffff81306428>] [<ffffffff81306428>]
intel_idle+0xb8/0x150
[353037.574839] RSP: 0018:ffff88013f149e68 EFLAGS: 00000046
[353037.574839] RAX: 0000000000000000 RBX: 0000000000000002 RCX:
0000000000000001
[353037.574839] RDX: 0000000000000000 RSI: ffff88013f149fd8 RDI:
ffffffff81816180
[353037.574839] RBP: ffff88013f149ec8 R08: 00000000fffffffe R09:
000000000000ff35
[353037.574839] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000001
[353037.574839] R13: ffff88013fd93570 R14: 0000000000000000 R15:
12956535616db70a
[353037.574839] FS: 0000000000000000(0000) GS:ffff88013fd80000(0000)
knlGS:0000000000000000
[353037.574839] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[353037.574839] CR2: ffffffffff600400 CR3: 000000013a035000 CR4:
00000000000007e0
[353037.574839] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[353037.574839] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[353037.574839] Process swapper/3 (pid: 0, threadinfo ffff88013f148000, task
ffff88013f145200)
[353037.574839] Stack:
[353037.574839] 0000000000000000 0000000002fa7591 ffff88013f149ed8
ffffffff8143a7a1
[353037.574839] 0000000000000000 0000000302fa7591 0000000000000000
ffff88013fd93570
[353037.574839] ffffffff81830040 00000000fffffff0 0000000000000000
0000000000000000
[353037.574839] Call Trace:
[353037.574839] [<ffffffff8143a7a1>] ? menu_select+0xf1/0x3a0
[353037.574839] [<ffffffff814390e9>] cpuidle_enter+0x19/0x20
[353037.574839] [<ffffffff81439398>] cpuidle_idle_call+0x88/0xf0
[353037.574839] [<ffffffff8100a0ca>] cpu_idle+0x7a/0xd0
[353037.574839] [<ffffffff818b6460>] start_secondary+0x1a3/0x1a7
[353037.574839] 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 f0 0f 01 c9
<e8> 83 46 d5 ff 4c 29 f8 48 89 c7 e8 88 c5 d2 ff 4c 69 f0 40 42
[353037.574839] Call Trace:
[353037.574839] [<ffffffff8143a7a1>] ? menu_select+0xf1/0x3a0
[353037.574839] [<ffffffff814390e9>] cpuidle_enter+0x19/0x20
[353037.574839] [<ffffffff81439398>] cpuidle_idle_call+0x88/0xf0
[353037.574839] [<ffffffff8100a0ca>] cpu_idle+0x7a/0xd0
[353037.574839] [<ffffffff818b6460>] start_secondary+0x1a3/0x1a7
Justin.
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