Hi,
I get a lot of
"NOHZ: local_softirq_pending 02"
and I have noticed some swsuspend problems.
Disabling non-boot CPUs ...
CPU1 playing dead
[<c0105114>] dump_trace+0x7f/0x229
[<c0105397>] show_trace_log_lvl+0x35/0x54
[<c01053e2>] show_trace+0x2c/0x2e
[<c0105515>] dump_stack+0x29/0x2b
[<c010213a>] cpu_idle+0x91/0x126
[<c01156ec>] start_secondary+0x30d/0x315
=======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c01021c4>] .... cpu_idle+0x11b/0x126
.....[<c01156ec>] .. ( <= start_secondary+0x30d/0x315)
l *0xc01021c4
0xc01021c4 is in cpu_idle (arch/i386/kernel/process.c:204).
199 tick_nohz_restart_sched_tick();
200 local_irq_disable();
201 __preempt_enable_no_resched();
202 __schedule();
203 preempt_disable();
204 local_irq_enable();
205 }
206 }
207
208 void cpu_idle_wait(void)
l *0xc01156ec
0xc01156ec is in start_secondary (arch/i386/kernel/smpboot.c:432).
427 /* We can take interrupts now: we're officially "up". */
428 local_irq_enable();
429
430 wmb();
431 cpu_idle();
432 }
433
434 /*
435 * Everything has been set up for the secondary
436 * CPUs - they just need to reload everything
CPU 1 is now offline
lockdep: not fixing up alternatives.
stopped custom tracer.
=============================================
[ INFO: possible recursive locking detected ]
[ 2.6.21-rc3-rt0 #1
---------------------------------------------
swsusp_shutdown/3406 is trying to acquire lock:
((raw_spinlock_t *)(&lock->wait_lock)){--..}, at: [<c01329cd>]
migrate_timers+0x8b/0x16e
but task is already holding lock:
((raw_spinlock_t *)(&lock->wait_lock)){--..}, at: [<c01329b9>]
migrate_timers+0x77/0x16e
l *0xc01329cd
0xc01329cd is in migrate_timers (kernel/timer.c:1854).
1849
1850 local_irq_disable_nort();
1851 double_spin_lock(&new_base->lock, &old_base->lock,
1852 smp_processor_id() < cpu);
1853
1854 BUG_ON(old_base->running_timer);
1855
1856 for (i = 0; i < TVR_SIZE; i++)
1857 migrate_timer_list(new_base, old_base->tv1.vec + i);
1858 for (i = 0; i < TVN_SIZE; i++) {
l *0xc01329b9
0xc01329b9 is in migrate_timers (include/linux/spinlock.h:711).
706 __acquires(l1)
707 __acquires(l2)
708 {
709 if (l1_first) {
710 spin_lock(l1);
711 spin_lock(l2);
712 } else {
713 spin_lock(l2);
714 spin_lock(l1);
715 }
other info that might help us debug this:
5 locks held by swsusp_shutdown/3406:
#0: (pm_mutex){--..}, at: [<c0155c98>] enter_state+0x40/0xbf
#1: (cpu_add_remove_lock){--..}, at: [<c014f781>]
disable_nonboot_cpus+0x1a/0x11c
#2: (cache_chain_mutex){--..}, at: [<c01872b7>] cpuup_callback+0x214/0x3c1
#3: (workqueue_mutex){--..}, at: [<c0139fb0>]
workqueue_cpu_callback+0x11f/0x1a6
#4: ((raw_spinlock_t *)(&lock->wait_lock)){--..}, at: [<c01329b9>]
migrate_timers+0x77/0x16e
l *0xc0155c98
0xc0155c98 is in enter_state (kernel/power/main.c:197).
192 int error;
193
194 if (!valid_state(state))
195 return -ENODEV;
196 if (!mutex_trylock(&pm_mutex))
197 return -EBUSY;
198
199 if (state == PM_SUSPEND_DISK) {
200 error = pm_suspend_disk();
201 goto Unlock;
l *0xc014f781
0xc014f781 is in disable_nonboot_cpus (kernel/cpu.c:264).
259 int disable_nonboot_cpus(void)
260 {
261 int cpu, first_cpu, error = 0;
262
263 mutex_lock(&cpu_add_remove_lock);
264 first_cpu = first_cpu(cpu_present_map);
265 if (!cpu_online(first_cpu)) {
266 error = _cpu_up(first_cpu);
267 if (error) {
268 printk(KERN_ERR "Could not bring CPU%d up.\n",
l *0xc01872b7
0xc01872b7 is in cpuup_callback (mm/slab.c:1342).
1337 start_cpu_timer(cpu);
1338 break;
1339 #ifdef CONFIG_HOTPLUG_CPU
1340 case CPU_DOWN_PREPARE:
1341 mutex_lock(&cache_chain_mutex);
1342 break;
1343 case CPU_DOWN_FAILED:
1344 mutex_unlock(&cache_chain_mutex);
1345 break;
1346 case CPU_DEAD:
l *0xc0139fb0
0xc0139fb0 is in workqueue_cpu_callback (kernel/workqueue.c:883).
878 mutex_unlock(&workqueue_mutex);
879 break;
880
881 case CPU_DOWN_PREPARE:
882 mutex_lock(&workqueue_mutex);
883 break;
884
885 case CPU_DOWN_FAILED:
886 mutex_unlock(&workqueue_mutex);
887 break;
stack backtrace:
[<c0105114>] dump_trace+0x7f/0x229
[<c0105397>] show_trace_log_lvl+0x35/0x54
[<c01053e2>] show_trace+0x2c/0x2e
[<c0105515>] dump_stack+0x29/0x2b
[<c0145df8>] print_deadlock_bug+0xc0/0xc8
[<c0145e4f>] check_deadlock+0x4f/0x66
[<c014819f>] __lock_acquire+0xa31/0xb48
[<c0148d4b>] lock_acquire+0x6e/0x86
[<c0370565>] __spin_lock+0x4c/0x59
[<c01329cd>] migrate_timers+0x8b/0x16e
[<c0132ae6>] timer_cpu_notify+0x36/0x3f
[<c013604f>] notifier_call_chain+0x2a/0x3f
[<c0136265>] raw_notifier_call_chain+0x24/0x26
[<c014f55d>] _cpu_down+0x18f/0x247
[<c014f7f4>] disable_nonboot_cpus+0x8d/0x11c
[<c0156aa5>] pm_suspend_disk+0xb6/0x1c7
[<c0155cab>] enter_state+0x53/0xbf
[<c0155e62>] state_store+0x91/0xa7
[<c01c9e41>] subsys_attr_store+0x34/0x3e
[<c01ca0b7>] flush_write_buffer+0x43/0x4a
[<c01ca117>] sysfs_write_file+0x59/0x7a
[<c018d66d>] vfs_write+0xc9/0x16d
[<c018d7d6>] sys_write+0x4f/0x76
[<c010429d>] syscall_call+0x7/0xb
[<b7fbd410>] 0xb7fbd410
=======================
---------------------------
| preempt count: 00000003 ]
| 3-level deep critical section nesting:
----------------------------------------
.. [<c0132986>] .... migrate_timers+0x44/0x16e
.....[<c0132ae6>] .. ( <= timer_cpu_notify+0x36/0x3f)
.. [<c0370533>] .... __spin_lock+0x1a/0x59
.....[<c01329b9>] .. ( <= migrate_timers+0x77/0x16e)
.. [<c0370533>] .... __spin_lock+0x1a/0x59
.....[<c01329cd>] .. ( <= migrate_timers+0x8b/0x16e)
l *0xc0132986
0xc0132986 is in migrate_timers (kernel/timer.c:1848).
1843 tvec_base_t *new_base;
1844 int i;
1845
1846 BUG_ON(cpu_online(cpu));
1847 old_base = per_cpu(tvec_bases, cpu);
1848 new_base = get_cpu_var(tvec_bases);
1849
1850 local_irq_disable_nort();
1851 double_spin_lock(&new_base->lock, &old_base->lock,
1852 smp_processor_id() < cpu);
l *0xc0132ae6
0xc0132ae6 is in timer_cpu_notify (kernel/timer.c:1889).
1884 break;
1885 #endif
1886 default:
1887 break;
1888 }
1889 return NOTIFY_OK;
1890 }
1891
1892 static struct notifier_block __cpuinitdata timers_nb = {
1893 .notifier_call = timer_cpu_notify,
l *0xc0370533
0xc0370533 is in __spin_lock (kernel/spinlock.c:218).
213 EXPORT_SYMBOL(__write_lock_bh);
214
215 void __lockfunc __spin_lock(raw_spinlock_t *lock)
216 {
217 preempt_disable();
218 spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
219 _raw_spin_lock(lock);
220 }
221
222 EXPORT_SYMBOL(__spin_lock);
CPU1 is down
PM: snapshotting memory.
rtc-test rtc-test.1: LATE freeze
rtc-test rtc-test.0: LATE freeze
serial8250 serial8250: LATE freeze
platform pcspkr: LATE freeze
8139too 0000:02:0d.0: LATE freeze
skge 0000:02:05.0: LATE freeze
Intel ICH 0000:00:1f.5: LATE freeze
i801_smbus 0000:00:1f.3: LATE freeze
PIIX_IDE 0000:00:1f.1: LATE freeze
pci 0000:00:1f.0: LATE freeze
pci 0000:00:1e.0: LATE freeze
pci 0000:00:01.0: LATE freeze
agpgart-intel 0000:00:00.0: LATE freeze
lapic suspend on CPU#0
[<c0105114>] dump_trace+0x7f/0x229
[<c0105397>] show_trace_log_lvl+0x35/0x54
[<c01053e2>] show_trace+0x2c/0x2e
[<c0105515>] dump_stack+0x29/0x2b
[<c01170f4>] lapic_suspend+0xd9/0x102
[<c028ffd2>] sysdev_suspend+0xc3/0x219
[<c0295d42>] device_power_down+0x5f/0x8c
[<c0156880>] swsusp_suspend+0x1d/0x6d
[<c0156afb>] pm_suspend_disk+0x10c/0x1c7
[<c0155cab>] enter_state+0x53/0xbf
[<c0155e62>] state_store+0x91/0xa7
[<c01c9e41>] subsys_attr_store+0x34/0x3e
[<c01ca0b7>] flush_write_buffer+0x43/0x4a
[<c01ca117>] sysfs_write_file+0x59/0x7a
[<c018d66d>] vfs_write+0xc9/0x16d
[<c018d7d6>] sys_write+0x4f/0x76
[<c010429d>] syscall_call+0x7/0xb
[<b7fbd410>] 0xb7fbd410
=======================
---------------------------
| preempt count: 00000000 ]
| 0-level deep critical section nesting:
----------------------------------------
swsusp: critical section:
swsusp: Need to copy 123028 pages
swsusp: Normal pages needed: 44905 + 1024 + 40, available pages: 184464
BUG: sleeping function called from invalid context swsusp_shutdown(3406) at
arch/i386/mm/highmem.c:8
in_atomic():1 [00000001], irqs_disabled():1
5 locks held by swsusp_shutdown/3406:
#0: (pm_mutex){--..}, at: [<c0155c98>] enter_state+0x40/0xbf
#1: (cpu_add_remove_lock){--..}, at: [<c014f781>]
disable_nonboot_cpus+0x1a/0x11c
#2: (cache_chain_mutex){--..}, at: [<c01872b7>] cpuup_callback+0x214/0x3c1
#3: (workqueue_mutex){--..}, at: [<c0139fb0>]
workqueue_cpu_callback+0x11f/0x1a6
#4: ((raw_spinlock_t *)(&lock->wait_lock)){--..}, at: [<c01329b9>]
migrate_timers+0x77/0x16e
l *0xc0155c98
0xc0155c98 is in enter_state (kernel/power/main.c:197).
192 int error;
193
194 if (!valid_state(state))
195 return -ENODEV;
196 if (!mutex_trylock(&pm_mutex))
197 return -EBUSY;
198
199 if (state == PM_SUSPEND_DISK) {
200 error = pm_suspend_disk();
201 goto Unlock;
l *0xc014f781
0xc014f781 is in disable_nonboot_cpus (kernel/cpu.c:264).
259 int disable_nonboot_cpus(void)
260 {
261 int cpu, first_cpu, error = 0;
262
263 mutex_lock(&cpu_add_remove_lock);
264 first_cpu = first_cpu(cpu_present_map);
265 if (!cpu_online(first_cpu)) {
266 error = _cpu_up(first_cpu);
267 if (error) {
268 printk(KERN_ERR "Could not bring CPU%d up.\n",
l *0xc01872b7
0xc01872b7 is in cpuup_callback (mm/slab.c:1342).
1337 start_cpu_timer(cpu);
1338 break;
1339 #ifdef CONFIG_HOTPLUG_CPU
1340 case CPU_DOWN_PREPARE:
1341 mutex_lock(&cache_chain_mutex);
1342 break;
1343 case CPU_DOWN_FAILED:
1344 mutex_unlock(&cache_chain_mutex);
1345 break;
1346 case CPU_DEAD:
l *0xc0139fb0
0xc0139fb0 is in workqueue_cpu_callback (kernel/workqueue.c:883).
878 mutex_unlock(&workqueue_mutex);
879 break;
880
881 case CPU_DOWN_PREPARE:
882 mutex_lock(&workqueue_mutex);
883 break;
884
885 case CPU_DOWN_FAILED:
886 mutex_unlock(&workqueue_mutex);
887 break;
irq event stamp: 76355
hardirqs last enabled at (76355): [<c037082b>]
__spin_unlock_irqrestore+0x54/0x70
hardirqs last disabled at (76354): [<c03701d9>] __spin_lock_irqsave+0x17/0x65
softirqs last enabled at (0): [<c0126092>] copy_process+0x330/0x1037
softirqs last disabled at (0): [<00000000>] 0x0
l *0xc037082b
0xc037082b is in __spin_unlock_irqrestore (include/asm/irqflags.h:33).
28 return flags;
29 }
30
31 static inline void raw_local_irq_restore(unsigned long flags)
32 {
33 __asm__ __volatile__(
34 "pushl %0 ; popfl"
35 : /* no output */
36 :"g" (flags)
37 :"memory", "cc"
l *0xc03701d9
0xc03701d9 is in __spin_lock_irqsave (kernel/spinlock.c:121).
116 unsigned long __lockfunc __spin_lock_irqsave(raw_spinlock_t *lock)
117 {
118 unsigned long flags;
119
120 local_irq_save(flags);
121 preempt_disable();
122 spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
123 /*
124 * On lockdep we dont want the hand-coded irq-enable of
125 * _raw_spin_lock_flags() code, because lockdep assumes
l *0xc0126092
0xc0126092 is in copy_process (include/linux/list.h:31).
26
27 #define LIST_HEAD(name) \
28 struct list_head name = LIST_HEAD_INIT(name)
29
30 static inline void INIT_LIST_HEAD(struct list_head *list)
31 {
32 list->next = list;
33 list->prev = list;
34 }
l *0xc0126092
0xc0126092 is in copy_process (include/linux/list.h:31).
26
27 #define LIST_HEAD(name) \
28 struct list_head name = LIST_HEAD_INIT(name)
29
30 static inline void INIT_LIST_HEAD(struct list_head *list)
31 {
32 list->next = list;
33 list->prev = list;
34 }
35
[<c0105114>] dump_trace+0x7f/0x229
[<c0105397>] show_trace_log_lvl+0x35/0x54
[<c01053e2>] show_trace+0x2c/0x2e
[<c0105515>] dump_stack+0x29/0x2b
[<c0124e38>] __might_sleep+0x11f/0x121
[<c011e469>] kmap+0x49/0x55
[<c01578bb>] copy_data_pages+0x105/0x1e6
[<c0157cb5>] swsusp_save+0xa5/0xd4
[<c0311fba>] swsusp_arch_suspend+0x2a/0x2c
DWARF2 unwinder stuck at swsusp_arch_suspend+0x2a/0x2c
Leftover inexact backtrace:
[<c0156afb>] pm_suspend_disk+0x10c/0x1c7
[<c0155cab>] enter_state+0x53/0xbf
[<c0155e62>] state_store+0x91/0xa7
[<c01c9e41>] subsys_attr_store+0x34/0x3e
[<c01ca0b7>] flush_write_buffer+0x43/0x4a
[<c01ca117>] sysfs_write_file+0x59/0x7a
[<c018d66d>] vfs_write+0xc9/0x16d
[<c018d7d6>] sys_write+0x4f/0x76
[<c010429d>] syscall_call+0x7/0xb
=======================
l *swsusp_arch_suspend+0x2a/0x2c
0xc0311f90 is at include/asm/string.h:103.
98 return dest;
99 }
100
101 #define __HAVE_ARCH_STRCMP
102 static inline int strcmp(const char * cs,const char * ct)
103 {
104 int d0, d1;
105 register int __res;
106 __asm__ __volatile__(
107 "1:\tlodsb\n\t"
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c0109c90>] .... kernel_fpu_begin+0x18/0x52
.....[<c0311d51>] .. ( <= __save_processor_state+0x11/0x43)
l *0xc0109c90
0xc0109c90 is in kernel_fpu_begin (include/asm/thread_info.h:93).
88 register unsigned long current_stack_pointer asm("esp")
__attribute_used__;
89
90 /* how to get the thread information struct from C */
91 static inline struct thread_info *current_thread_info(void)
92 {
93 return (struct thread_info *)(current_stack_pointer &
~(THREAD_SIZE - 1));
94 }
95
96 /* thread information allocation */
97 #ifdef CONFIG_DEBUG_STACK_USAGE
l *0xc0311d51
0xc0311d51 is in __save_processor_state (arch/i386/power/cpu.c:29).
24 kernel_fpu_begin();
25
26 /*
27 * descriptor tables
28 */
29 store_gdt(&ctxt->gdt);
30 store_idt(&ctxt->idt);
31 store_tr(ctxt->tr);
32
33 /*
swsusp: critical section/: done (123028 pages copied)
Intel machine check architecture supported.
BUG: using smp_processor_id() in preemptible [00000000] code:
swsusp_shutdown/3406
caller is intel_p4_mcheck_init+0x82/0xe0
[<c0105114>] dump_trace+0x7f/0x229
[<c0105397>] show_trace_log_lvl+0x35/0x54
[<c01053e2>] show_trace+0x2c/0x2e
[<c0105515>] dump_stack+0x29/0x2b
[<c022278e>] debug_smp_processor_id+0xae/0xbc
[<c010ef46>] intel_p4_mcheck_init+0x82/0xe0
[<c010e88b>] mcheck_init+0x72/0x87
[<c0311f75>] __restore_processor_state+0x61/0x63
[<c0311f8c>] restore_processor_state+0x15/0x19
[<c01568b9>] swsusp_suspend+0x56/0x6d
[<c0156afb>] pm_suspend_disk+0x10c/0x1c7
[<c0155cab>] enter_state+0x53/0xbf
[<c0155e62>] state_store+0x91/0xa7
[<c01c9e41>] subsys_attr_store+0x34/0x3e
[<c01ca0b7>] flush_write_buffer+0x43/0x4a
[<c01ca117>] sysfs_write_file+0x59/0x7a
[<c018d66d>] vfs_write+0xc9/0x16d
[<c018d7d6>] sys_write+0x4f/0x76
[<c010429d>] syscall_call+0x7/0xb
[<b7fbd410>] 0xb7fbd410
=======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c0222737>] .... debug_smp_processor_id+0x57/0xbc
.....[<c010ef46>] .. ( <= intel_p4_mcheck_init+0x82/0xe0)
l *0xc0222737
0xc0222737 is in debug_smp_processor_id (lib/smp_processor_id.c:42).
37 /*
38 * Avoid recursion:
39 */
40 preempt_disable();
41
42 if (!printk_ratelimit())
43 goto out_enable;
44
45 printk(KERN_ERR "BUG: using smp_processor_id() in preemptible
[%08x] code: %s/%d\n", preempt_count()-1, current->comm, current->pid);
46 print_symbol("caller is %s\n",
(long)__builtin_return_address(0));
l *0xc010ef46
0xc010ef46 is in intel_p4_mcheck_init (arch/i386/kernel/cpu/mcheck/p4.c:245).
240 wrmsr (MSR_IA32_MC0_CTL+4*i, 0xffffffff, 0xffffffff);
241 wrmsr (MSR_IA32_MC0_STATUS+4*i, 0x0, 0x0);
242 }
243
244 set_in_cr4 (X86_CR4_MCE);
245 printk (KERN_INFO "Intel machine check reporting enabled on
CPU#%d.\n",
246 smp_processor_id());
247
248 /* Check for P4/Xeon extended MCE MSRs */
249 rdmsr (MSR_IA32_MCG_CAP, l, h);
BUG: swsusp_shutdown:3406 task might have lost a preemption check!
[<c0105114>] dump_trace+0x7f/0x229
[<c0105397>] show_trace_log_lvl+0x35/0x54
[<c01053e2>] show_trace+0x2c/0x2e
[<c0105515>] dump_stack+0x29/0x2b
[<c0124fa8>] preempt_enable_no_resched+0x5d/0x61
[<c0222793>] debug_smp_processor_id+0xb3/0xbc
[<c010ef46>] intel_p4_mcheck_init+0x82/0xe0
[<c010e88b>] mcheck_init+0x72/0x87
[<c0311f75>] __restore_processor_state+0x61/0x63
[<c0311f8c>] restore_processor_state+0x15/0x19
[<c01568b9>] swsusp_suspend+0x56/0x6d
[<c0156afb>] pm_suspend_disk+0x10c/0x1c7
[<c0155cab>] enter_state+0x53/0xbf
[<c0155e62>] state_store+0x91/0xa7
[<c01c9e41>] subsys_attr_store+0x34/0x3e
[<c01ca0b7>] flush_write_buffer+0x43/0x4a
[<c01ca117>] sysfs_write_file+0x59/0x7a
[<c018d66d>] vfs_write+0xc9/0x16d
[<c018d7d6>] sys_write+0x4f/0x76
[<c010429d>] syscall_call+0x7/0xb
[<b7fbd410>] 0xb7fbd410
=======================
---------------------------
| preempt count: 00000000 ]
| 0-level deep critical section nesting:
----------------------------------------
Intel machine check reporting enabled on CPU#0.
BUG: using smp_processor_id() in preemptible [00000000] code:
swsusp_shutdown/3406
caller is intel_p4_mcheck_init+0xb0/0xe0
[<c0105114>] dump_trace+0x7f/0x229
[<c0105397>] show_trace_log_lvl+0x35/0x54
[<c01053e2>] show_trace+0x2c/0x2e
[<c0105515>] dump_stack+0x29/0x2b
[<c022278e>] debug_smp_processor_id+0xae/0xbc
[<c010ef74>] intel_p4_mcheck_init+0xb0/0xe0
[<c010e88b>] mcheck_init+0x72/0x87
[<c0311f75>] __restore_processor_state+0x61/0x63
[<c0311f8c>] restore_processor_state+0x15/0x19
[<c01568b9>] swsusp_suspend+0x56/0x6d
[<c0156afb>] pm_suspend_disk+0x10c/0x1c7
[<c0155cab>] enter_state+0x53/0xbf
[<c0155e62>] state_store+0x91/0xa7
[<c01c9e41>] subsys_attr_store+0x34/0x3e
[<c01ca0b7>] flush_write_buffer+0x43/0x4a
[<c01ca117>] sysfs_write_file+0x59/0x7a
[<c018d66d>] vfs_write+0xc9/0x16d
[<c018d7d6>] sys_write+0x4f/0x76
[<c010429d>] syscall_call+0x7/0xb
[<b7fbd410>] 0xb7fbd410
=======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c0222737>] .... debug_smp_processor_id+0x57/0xbc
.....[<c010ef74>] .. ( <= intel_p4_mcheck_init+0xb0/0xe0)
CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
BUG: using smp_processor_id() in preemptible [00000000] code:
swsusp_shutdown/3406
caller is intel_init_thermal+0x16/0xf8
[<c0105114>] dump_trace+0x7f/0x229
[<c0105397>] show_trace_log_lvl+0x35/0x54
[<c01053e2>] show_trace+0x2c/0x2e
[<c0105515>] dump_stack+0x29/0x2b
[<c022278e>] debug_smp_processor_id+0xae/0xbc
[<c010eb75>] intel_init_thermal+0x16/0xf8
[<c010ef99>] intel_p4_mcheck_init+0xd5/0xe0
[<c010e88b>] mcheck_init+0x72/0x87
[<c0311f75>] __restore_processor_state+0x61/0x63
[<c0311f8c>] restore_processor_state+0x15/0x19
[<c01568b9>] swsusp_suspend+0x56/0x6d
[<c0156afb>] pm_suspend_disk+0x10c/0x1c7
[<c0155cab>] enter_state+0x53/0xbf
[<c0155e62>] state_store+0x91/0xa7
[<c01c9e41>] subsys_attr_store+0x34/0x3e
[<c01ca0b7>] flush_write_buffer+0x43/0x4a
[<c01ca117>] sysfs_write_file+0x59/0x7a
[<c018d66d>] vfs_write+0xc9/0x16d
[<c018d7d6>] sys_write+0x4f/0x76
[<c010429d>] syscall_call+0x7/0xb
[<b7fbd410>] 0xb7fbd410
=======================
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c0222737>] .... debug_smp_processor_id+0x57/0xbc
.....[<c010eb75>] .. ( <= intel_init_thermal+0x16/0xf8)
CPU0: Thermal monitoring enabled
lapic resume on CPU#0
[<c0105114>] dump_trace+0x7f/0x229
[<c0105397>] show_trace_log_lvl+0x35/0x54
[<c01053e2>] show_trace+0x2c/0x2e
[<c0105515>] dump_stack+0x29/0x2b
[<c0117151>] lapic_resume+0x34/0x19c
[<c028fec9>] __sysdev_resume+0x1e/0x64
[<c029016d>] sysdev_resume+0x45/0x74
[<c02960e2>] device_power_up+0xd/0x17
[<c01568c3>] swsusp_suspend+0x60/0x6d
[<c0156afb>] pm_suspend_disk+0x10c/0x1c7
[<c0155cab>] enter_state+0x53/0xbf
[<c0155e62>] state_store+0x91/0xa7
[<c01c9e41>] subsys_attr_store+0x34/0x3e
[<c01ca0b7>] flush_write_buffer+0x43/0x4a
[<c01ca117>] sysfs_write_file+0x59/0x7a
[<c018d66d>] vfs_write+0xc9/0x16d
[<c018d7d6>] sys_write+0x4f/0x76
[<c010429d>] syscall_call+0x7/0xb
[<b7fbd410>] 0xb7fbd410
=======================
---------------------------
| preempt count: 00000000 ]
| 0-level deep critical section nesting:
----------------------------------------
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc3-rt0/console.log
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc3-rt0/rt-config
Regards,
Michal
--
Michal K. K. Piotrowski
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
LTG - Linux Testers Group (EN)
(http://www.stardust.webpages.pl/linux_testers_group_en/)
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