From: kernel test robot <oliver.sang@intel.com>
To: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
"Paul E. McKenney" <paulmck@kernel.org>,
"Christophe Leroy" <christophe.leroy@csgroup.eu>,
Andreas Schwab <schwab@linux-m68k.org>,
Matthew Wilcox <willy@infradead.org>,
Peng Zhang <zhangpeng.00@bytedance.com>,
Peter Zijlstra <peterz@infradead.org>,
"Ingo Molnar" <mingo@redhat.com>,
Juri Lelli <juri.lelli@redhat.com>,
"Vincent Guittot" <vincent.guittot@linaro.org>,
Andrew Morton <akpm@linux-foundation.org>,
"Mike Rapoport (IBM)" <rppt@kernel.org>,
Vlastimil Babka <vbabka@suse.cz>, <linux-kernel@vger.kernel.org>,
<maple-tree@lists.infradead.org>, <linux-mm@kvack.org>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
<stable@vger.kernel.org>, <oliver.sang@intel.com>
Subject: Re: [PATCH] init/main: Clear boot task idle flag
Date: Fri, 15 Sep 2023 00:05:11 +0800 [thread overview]
Message-ID: <202309142334.a345320b-oliver.sang@intel.com> (raw)
In-Reply-To: <20230913005647.1534747-1-Liam.Howlett@oracle.com>
Hello,
kernel test robot noticed "BUG:sleeping_function_called_from_invalid_context_at_kernel/sched/completion.c" on:
commit: afa19b70494c22ba27224f90c0805e88e5db41e1 ("[PATCH] init/main: Clear boot task idle flag")
url: https://github.com/intel-lab-lkp/linux/commits/Liam-R-Howlett/init-main-Clear-boot-task-idle-flag/20230913-085921
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 3669558bdf354cd352be955ef2764cde6a9bf5ec
patch link: https://lore.kernel.org/all/20230913005647.1534747-1-Liam.Howlett@oracle.com/
patch subject: [PATCH] init/main: Clear boot task idle flag
in testcase: boot
compiler: gcc-12
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
besides BUG:sleeping_function_called_from_invalid_context_at_kernel/sched/completion.c,
we also observed other issues on this commit but clean on parent:
3669558bdf354cd3 afa19b70494c22ba27224f90c08
---------------- ---------------------------
fail:runs %reproduction fail:runs
| | |
:6 17% 1:6 dmesg.BUG:sleeping_function_called_from_invalid_context_at_drivers/dma-buf/selftest.c
:6 17% 1:6 dmesg.BUG:sleeping_function_called_from_invalid_context_at_drivers/net/ethernet/intel/e1000_hw.c
:6 100% 6:6 dmesg.BUG:sleeping_function_called_from_invalid_context_at_include/linux/sched/mm.h
:6 83% 5:6 dmesg.BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/mutex.c
:6 50% 3:6 dmesg.BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/rwsem.c
:6 17% 1:6 dmesg.BUG:sleeping_function_called_from_invalid_context_at_kernel/rcu/tree.c
:6 100% 6:6 dmesg.BUG:sleeping_function_called_from_invalid_context_at_kernel/sched/completion.c
:6 100% 6:6 dmesg.RIP:__do_softirq
:6 100% 6:6 dmesg.RIP:__flush_smp_call_function_queue
:6 33% 2:6 dmesg.RIP:__handle_irq_event_percpu
:6 100% 6:6 dmesg.RIP:__hrtimer_run_queues
:6 100% 6:6 dmesg.RIP:__note_gp_changes
:6 100% 6:6 dmesg.RIP:__queue_work
:6 100% 6:6 dmesg.RIP:__raise_softirq_irqoff
:6 100% 6:6 dmesg.RIP:__run_timers
:6 100% 6:6 dmesg.RIP:__smp_call_single_queue
:6 100% 6:6 dmesg.RIP:__sysvec_apic_timer_interrupt
:6 100% 6:6 dmesg.RIP:__sysvec_call_function_single
:6 50% 3:6 dmesg.RIP:__update_load_avg_blocked_se
:6 100% 6:6 dmesg.RIP:__update_load_avg_cfs_rq
:6 100% 6:6 dmesg.RIP:__update_load_avg_se
:6 100% 6:6 dmesg.RIP:__wake_nocb_gp
:6 67% 4:6 dmesg.RIP:_raw_spin_unlock_irqrestore
:6 100% 6:6 dmesg.RIP:arch_ftrace_ops_list_func
:6 100% 6:6 dmesg.RIP:attach_entity_load_avg
:6 100% 6:6 dmesg.RIP:call_timer_fn
:6 100% 6:6 dmesg.RIP:default_idle
:6 100% 6:6 dmesg.RIP:dequeue_task_fair
:6 100% 6:6 dmesg.RIP:detach_entity_load_avg
:6 33% 2:6 dmesg.RIP:detach_if_pending
:6 67% 4:6 dmesg.RIP:dma_fence_signal_timestamp_locked
:6 33% 2:6 dmesg.RIP:do_nocb_deferred_wakeup
:6 100% 6:6 dmesg.RIP:do_nocb_deferred_wakeup_timer
:6 100% 6:6 dmesg.RIP:enqueue_hrtimer
:6 100% 6:6 dmesg.RIP:enqueue_task_fair
:6 100% 6:6 dmesg.RIP:enqueue_timer
:6 17% 1:6 dmesg.RIP:hrtimer_init
:6 67% 4:6 dmesg.RIP:load_balance
:6 100% 6:6 dmesg.RIP:lock_acquire
:6 100% 6:6 dmesg.RIP:lock_acquired
:6 100% 6:6 dmesg.RIP:lock_contended
:6 100% 6:6 dmesg.RIP:lock_release
:6 33% 2:6 dmesg.RIP:printk_sprint
:6 17% 1:6 dmesg.RIP:rcu_barrier_trace
:6 100% 6:6 dmesg.RIP:rcu_core
:6 100% 6:6 dmesg.RIP:rcu_is_cpu_rrupt_from_idle
:6 83% 5:6 dmesg.RIP:rcu_qs
:6 100% 6:6 dmesg.RIP:rcu_report_qs_rnp
:6 100% 6:6 dmesg.RIP:rcu_sched_clock_irq
:6 50% 3:6 dmesg.RIP:resched_curr
:6 100% 6:6 dmesg.RIP:set_task_cpu
:6 100% 6:6 dmesg.RIP:trace_hardirqs_off
:6 100% 6:6 dmesg.RIP:trace_hardirqs_off_finish
:6 100% 6:6 dmesg.RIP:trace_hardirqs_on
:6 100% 6:6 dmesg.RIP:trace_reschedule_entry
:6 100% 6:6 dmesg.RIP:trace_reschedule_exit
:6 100% 6:6 dmesg.RIP:try_to_wake_up
:6 100% 6:6 dmesg.RIP:ttwu_do_activate
:6 100% 6:6 dmesg.RIP:update_cpu_capacity
:6 100% 6:6 dmesg.RIP:update_curr
:6 100% 6:6 dmesg.RIP:update_dl_rq_load_avg
:6 100% 6:6 dmesg.RIP:update_irq_load_avg
:6 100% 6:6 dmesg.RIP:update_rt_rq_load_avg
:6 100% 6:6 dmesg.RIP:update_sd_lb_stats
:6 17% 1:6 dmesg.RIP:wake_up_nohz_cpu
:6 100% 6:6 dmesg.WARNING:at_arch/x86/include/asm/trace/irq_vectors.h:#__sysvec_apic_timer_interrupt
:6 100% 6:6 dmesg.WARNING:at_arch/x86/include/asm/trace/irq_vectors.h:#__sysvec_call_function_single
:6 100% 6:6 dmesg.WARNING:at_arch/x86/include/asm/trace/irq_vectors.h:#trace_reschedule_entry
:6 100% 6:6 dmesg.WARNING:at_arch/x86/include/asm/trace/irq_vectors.h:#trace_reschedule_exit
:6 100% 6:6 dmesg.WARNING:at_include/linux/trace_recursion.h:#arch_ftrace_ops_list_func
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/csd.h:#__flush_smp_call_function_queue
:6 67% 4:6 dmesg.WARNING:at_include/trace/events/dma_fence.h:#dma_fence_signal_timestamp_locked
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/ipi.h:#__smp_call_single_queue
:6 50% 3:6 dmesg.WARNING:at_include/trace/events/ipi.h:#resched_curr
:6 17% 1:6 dmesg.WARNING:at_include/trace/events/ipi.h:#wake_up_nohz_cpu
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/irq.h:#__do_softirq
:6 33% 2:6 dmesg.WARNING:at_include/trace/events/irq.h:#__handle_irq_event_percpu
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/irq.h:#__raise_softirq_irqoff
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/lock.h:#lock_acquire
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/lock.h:#lock_acquired
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/lock.h:#lock_contended
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/lock.h:#lock_release
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/preemptirq.h:#trace_hardirqs_off
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/preemptirq.h:#trace_hardirqs_off_finish
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/preemptirq.h:#trace_hardirqs_on
:6 33% 2:6 dmesg.WARNING:at_include/trace/events/printk.h:#printk_sprint
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/rcu.h:#__note_gp_changes
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/rcu.h:#__wake_nocb_gp
:6 33% 2:6 dmesg.WARNING:at_include/trace/events/rcu.h:#do_nocb_deferred_wakeup
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/rcu.h:#do_nocb_deferred_wakeup_timer
:6 17% 1:6 dmesg.WARNING:at_include/trace/events/rcu.h:#rcu_barrier_trace
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/rcu.h:#rcu_core
:6 83% 5:6 dmesg.WARNING:at_include/trace/events/rcu.h:#rcu_qs
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/rcu.h:#rcu_report_qs_rnp
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/rcu.h:#rcu_sched_clock_irq
:6 50% 3:6 dmesg.WARNING:at_include/trace/events/sched.h:#__update_load_avg_blocked_se
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#__update_load_avg_cfs_rq
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#__update_load_avg_se
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#attach_entity_load_avg
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#dequeue_task_fair
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#detach_entity_load_avg
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#enqueue_task_fair
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#set_task_cpu
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#try_to_wake_up
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#ttwu_do_activate
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#update_cpu_capacity
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#update_curr
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#update_dl_rq_load_avg
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#update_irq_load_avg
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#update_rt_rq_load_avg
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/sched.h:#update_sd_lb_stats
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/timer.h:#__hrtimer_run_queues
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/timer.h:#__run_timers
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/timer.h:#call_timer_fn
:6 33% 2:6 dmesg.WARNING:at_include/trace/events/timer.h:#detach_if_pending
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/timer.h:#enqueue_hrtimer
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/timer.h:#enqueue_timer
:6 17% 1:6 dmesg.WARNING:at_include/trace/events/timer.h:#hrtimer_init
:6 100% 6:6 dmesg.WARNING:at_include/trace/events/workqueue.h:#__queue_work
:6 100% 6:6 dmesg.WARNING:at_kernel/rcu/tree.c:#rcu_is_cpu_rrupt_from_idle
:6 17% 1:6 dmesg.WARNING:inconsistent_lock_state
:6 100% 6:6 dmesg.WARNING:suspicious_RCU_usage
:6 33% 2:6 dmesg.arch/x86/kernel/irq.c:#IRQ_failed_to_wake_up_RCU
:6 100% 6:6 dmesg.include/linux/cgroup.h:#suspicious_rcu_dereference_check()usage
:6 100% 6:6 dmesg.include/linux/rcupdate.h:#rcu_read_lock()used_illegally_while_idle
:6 100% 6:6 dmesg.include/linux/rcupdate.h:#rcu_read_unlock()used_illegally_while_idle
:6 17% 1:6 dmesg.inconsistent{IN-HARDIRQ-W}->{HARDIRQ-ON-W}usage
:6 100% 6:6 dmesg.kernel/events/core.c:#suspicious_rcu_dereference_check()usage
:6 83% 5:6 dmesg.kernel/exit.c:#suspicious_rcu_dereference_check()usage
:6 100% 6:6 dmesg.kernel/rcu/tree.c:#RCU_dynticks_nmi_nesting_counter_underflow/zero
:6 67% 4:6 dmesg.kernel/sched/core.c:#suspicious_rcu_dereference_check()usage
:6 100% 6:6 dmesg.kernel/sched/fair.c:#suspicious_rcu_dereference_check()usage
:6 83% 5:6 dmesg.kernel/workqueue.c:#RCU_or_wq_pool_mutex_should_be_held
:6 83% 5:6 dmesg.kernel/workqueue.c:#suspicious_rcu_dereference_check()usage
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202309142334.a345320b-oliver.sang@intel.com
[ 2.318233][ T1] BUG: sleeping function called from invalid context at kernel/sched/completion.c:111
[ 2.318647][ T1] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 2.319725][ T1] preempt_count: 0, expected: 0
[ 2.320293][ T1] no locks held by swapper/0/1.
[ 2.320882][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.6.0-rc1-00034-gafa19b70494c #1
[ 2.321957][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 2.321957][ T1] Call Trace:
[ 2.321957][ T1] <TASK>
[ 2.321957][ T1] dump_stack_lvl (lib/dump_stack.c:107)
[ 2.321957][ T1] __might_resched (kernel/sched/core.c:10188)
[ 2.321957][ T1] ? sched_core_find (kernel/sched/core.c:10142)
[ 2.321957][ T1] __wait_for_common (kernel/sched/completion.c:115)
[ 2.321957][ T1] ? usleep_range_state (kernel/time/timer.c:2129)
[ 2.321957][ T1] ? reacquire_held_locks (kernel/locking/lockdep.c:5404)
[ 2.321957][ T1] ? wait_for_completion_io_timeout (kernel/sched/completion.c:110)
[ 2.321957][ T1] ? do_raw_spin_lock (kernel/locking/spinlock_debug.c:121)
[ 2.321957][ T1] ? rest_init (init/main.c:1431)
[ 2.321957][ T1] kernel_init (init/main.c:1439)
[ 2.321957][ T1] ? _raw_spin_unlock_irq (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:77 include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202)
[ 2.321957][ T1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 2.321957][ T1] ? rest_init (init/main.c:1431)
[ 2.321957][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:312)
[ 2.321957][ T1] </TASK>
[ 2.322276][ T1] smpboot: CPU0: Intel Xeon E312xx (Sandy Bridge) (family: 0x6, model: 0x2a, stepping: 0x1)
[ 2.327212][ T1] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1.
[ 2.328461][ T1] RCU Tasks Rude: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1.
[ 2.330045][ T1] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1.
[ 2.331385][ T1] Running RCU-tasks wait API self tests
[ 2.333117][ T1] Performance Events: unsupported p6 CPU model 42 no PMU driver, software events only.
[ 2.334654][ T1] signal: max sigframe size: 1776
[ 2.335915][ T1] rcu: Hierarchical SRCU implementation.
[ 2.336653][ T1] rcu: Max phase no-delay instances is 1000.
[ 2.342550][ T14] Callback from call_rcu_tasks_trace() invoked.
[ 2.344299][ T1] smp: Bringing up secondary CPUs ...
[ 2.347251][ T1] smpboot: x86: Booting SMP configuration:
[ 2.347999][ T1] .... node #0, CPUs: #1
[ 0.487313][ T0] masked ExtINT on CPU#1
[ 2.348624][ T0] ------------[ cut here ]------------
[ 2.348624][ T0] WARNING: CPU: 0 PID: 0 at include/trace/events/preemptirq.h:36 trace_hardirqs_off_finish (include/trace/events/preemptirq.h:36 include/trace/events/preemptirq.h:36 kernel/trace/trace_preemptirq.c:78 kernel/trace/trace_preemptirq.c:73)
[ 2.348624][ T0] Modules linked in:
[ 2.348624][ T0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.6.0-rc1-00034-gafa19b70494c #1
[ 2.348624][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 2.348624][ T0] RIP: 0010:trace_hardirqs_off_finish (include/trace/events/preemptirq.h:36 include/trace/events/preemptirq.h:36 kernel/trace/trace_preemptirq.c:78 kernel/trace/trace_preemptirq.c:73)
[ 2.348624][ T0] Code: 03 80 3c 02 00 75 2a 48 8b 7b 08 31 d2 48 89 ee e8 99 f4 ff ff 65 ff 0d 0a 69 ce 7e e9 5d ff ff ff e8 38 18 e9 ff 84 c0 75 80 <0f> 0b e9 79 ff ff ff e8 c8 c0 3a 00 eb cf 66 0f 1f 44 00 00 65 8b
All code
========
0: 03 80 3c 02 00 75 add 0x7500023c(%rax),%eax
6: 2a 48 8b sub -0x75(%rax),%cl
9: 7b 08 jnp 0x13
b: 31 d2 xor %edx,%edx
d: 48 89 ee mov %rbp,%rsi
10: e8 99 f4 ff ff call 0xfffffffffffff4ae
15: 65 ff 0d 0a 69 ce 7e decl %gs:0x7ece690a(%rip) # 0x7ece6926
1c: e9 5d ff ff ff jmp 0xffffffffffffff7e
21: e8 38 18 e9 ff call 0xffffffffffe9185e
26: 84 c0 test %al,%al
28: 75 80 jne 0xffffffffffffffaa
2a:* 0f 0b ud2 <-- trapping instruction
2c: e9 79 ff ff ff jmp 0xffffffffffffffaa
31: e8 c8 c0 3a 00 call 0x3ac0fe
36: eb cf jmp 0x7
38: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
3e: 65 gs
3f: 8b .byte 0x8b
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: e9 79 ff ff ff jmp 0xffffffffffffff80
7: e8 c8 c0 3a 00 call 0x3ac0d4
c: eb cf jmp 0xffffffffffffffdd
e: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
14: 65 gs
15: 8b .byte 0x8b
[ 2.348624][ T0] RSP: 0000:ffffffff84a07d60 EFLAGS: 00010046
[ 2.348624][ T0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81513ac2
[ 2.348624][ T0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff85a79540
[ 2.348624][ T0] RBP: ffffffff8352c418 R08: 0000000000000000 R09: fffffbfff0b4f2a8
[ 2.348624][ T0] R10: ffffffff85a79547 R11: 0000000000000000 R12: 0000000000000000
[ 2.348624][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 2.348624][ T0] FS: 0000000000000000(0000) GS:ffff8883aea00000(0000) knlGS:0000000000000000
[ 2.348624][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.348624][ T0] CR2: ffff88843ffff000 CR3: 0000000004a89000 CR4: 00000000000406f0
[ 2.348624][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2.348624][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2.348624][ T0] Call Trace:
[ 2.348624][ T0] <TASK>
[ 2.348624][ T0] ? __warn (kernel/panic.c:673)
[ 2.348624][ T0] ? trace_hardirqs_off_finish (include/trace/events/preemptirq.h:36 include/trace/events/preemptirq.h:36 kernel/trace/trace_preemptirq.c:78 kernel/trace/trace_preemptirq.c:73)
[ 2.348624][ T0] ? report_bug (lib/bug.c:180 lib/bug.c:219)
[ 2.348624][ T0] ? handle_bug (arch/x86/kernel/traps.c:237)
[ 2.348624][ T0] ? exc_invalid_op (arch/x86/kernel/traps.c:258 (discriminator 1))
[ 2.348624][ T0] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:568)
[ 2.348624][ T0] ? irqentry_enter (kernel/entry/common.c:315)
[ 2.348624][ T0] ? trace_hardirqs_off_finish (arch/x86/include/asm/bitops.h:228 arch/x86/include/asm/bitops.h:240 include/asm-generic/bitops/instrumented-non-atomic.h:142 include/linux/cpumask.h:504 include/linux/cpumask.h:1082 include/trace/events/preemptirq.h:36 kernel/trace/trace_preemptirq.c:78 kernel/trace/trace_preemptirq.c:73)
[ 2.348624][ T0] ? trace_hardirqs_off_finish (include/trace/events/preemptirq.h:36 include/trace/events/preemptirq.h:36 kernel/trace/trace_preemptirq.c:78 kernel/trace/trace_preemptirq.c:73)
[ 2.348624][ T0] irqentry_enter (kernel/entry/common.c:315)
[ 2.348624][ T0] sysvec_call_function_single (arch/x86/kernel/smp.c:287)
[ 2.348624][ T0] asm_sysvec_call_function_single (arch/x86/include/asm/idtentry.h:652)
[ 2.348624][ T0] RIP: 0010:default_idle (arch/x86/include/asm/irqflags.h:37 arch/x86/include/asm/irqflags.h:72 arch/x86/kernel/process.c:750)
[ 2.348624][ T0] Code: 07 76 e7 48 89 07 49 c7 c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 72 ff ff ff cc cc cc cc eb 07 0f 00 2d 37 79 30 00 fb f4 <fa> c3 0f 1f 00 65 48 8b 04 25 40 a4 1f 00 f0 80 48 02 20 48 8b 10
All code
========
0: 07 (bad)
1: 76 e7 jbe 0xffffffffffffffea
3: 48 89 07 mov %rax,(%rdi)
6: 49 c7 c0 08 00 00 00 mov $0x8,%r8
d: 4d 29 c8 sub %r9,%r8
10: 4c 01 c7 add %r8,%rdi
13: 4c 29 c2 sub %r8,%rdx
16: e9 72 ff ff ff jmp 0xffffffffffffff8d
1b: cc int3
1c: cc int3
1d: cc int3
1e: cc int3
1f: eb 07 jmp 0x28
21: 0f 00 2d 37 79 30 00 verw 0x307937(%rip) # 0x30795f
28: fb sti
29: f4 hlt
2a:* fa cli <-- trapping instruction
2b: c3 ret
2c: 0f 1f 00 nopl (%rax)
2f: 65 48 8b 04 25 40 a4 mov %gs:0x1fa440,%rax
36: 1f 00
38: f0 80 48 02 20 lock orb $0x20,0x2(%rax)
3d: 48 8b 10 mov (%rax),%rdx
Code starting with the faulting instruction
===========================================
0: fa cli
1: c3 ret
2: 0f 1f 00 nopl (%rax)
5: 65 48 8b 04 25 40 a4 mov %gs:0x1fa440,%rax
c: 1f 00
e: f0 80 48 02 20 lock orb $0x20,0x2(%rax)
13: 48 8b 10 mov (%rax),%rdx
[ 2.348624][ T0] RSP: 0000:ffffffff84a07e40 EFLAGS: 00000206
[ 2.348624][ T0] RAX: 0000000000003056 RBX: 0000000000000000 RCX: ffffffff8352c7ba
[ 2.348624][ T0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812e3bd3
[ 2.348624][ T0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1075d7ed9d
[ 2.348624][ T0] R10: ffff8883aebf6ceb R11: 0000000000000000 R12: 1ffffffff0940fca
[ 2.348624][ T0] R13: ffffffff84a1e940 R14: dffffc0000000000 R15: 0000000000013f10
[ 2.348624][ T0] ? ct_kernel_exit+0xca/0x100
[ 2.348624][ T0] ? cpuidle_idle_call (kernel/sched/idle.c:171)
[ 2.348624][ T0] default_idle_call (include/linux/cpuidle.h:143 kernel/sched/idle.c:98)
[ 2.348624][ T0] cpuidle_idle_call (kernel/sched/idle.c:171)
[ 2.348624][ T0] ? arch_cpu_idle_exit+0x30/0x30
[ 2.348624][ T0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4565)
[ 2.348624][ T0] do_idle (kernel/sched/idle.c:282)
[ 2.348624][ T0] cpu_startup_entry (kernel/sched/idle.c:378 (discriminator 1))
[ 2.348624][ T0] rest_init (include/linux/rcupdate.h:750 init/main.c:697)
[ 2.348624][ T0] arch_call_rest_init+0xf/0x20
[ 2.348624][ T0] start_kernel (init/main.c:1021 (discriminator 1))
[ 2.348624][ T0] x86_64_start_reservations (arch/x86/kernel/head64.c:544)
[ 2.348624][ T0] x86_64_start_kernel (??:?)
[ 2.348624][ T0] secondary_startup_64_no_verify (arch/x86/kernel/head_64.S:433)
[ 2.348624][ T0] </TASK>
[ 2.348624][ T0] irq event stamp: 12375
[ 2.348624][ T0] hardirqs last enabled at (12374): cpuidle_idle_call (kernel/sched/idle.c:171)
[ 2.348624][ T0] hardirqs last disabled at (12375): sysvec_call_function_single (arch/x86/kernel/smp.c:287)
[ 2.348624][ T0] softirqs last enabled at (8563): __do_softirq (arch/x86/include/asm/preempt.h:27 kernel/softirq.c:400 kernel/softirq.c:582)
[ 2.348624][ T0] softirqs last disabled at (8558): __irq_exit_rcu (kernel/softirq.c:427 kernel/softirq.c:632)
[ 2.348624][ T0] ---[ end trace 0000000000000000 ]---
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20230914/202309142334.a345320b-oliver.sang@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
prev parent reply other threads:[~2023-09-14 16:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-13 0:56 [PATCH] init/main: Clear boot task idle flag Liam R. Howlett
2023-09-13 11:01 ` Peter Zijlstra
2023-09-13 11:28 ` Paul E. McKenney
2023-09-13 13:18 ` Liam R. Howlett
2023-09-13 12:58 ` Geert Uytterhoeven
2023-09-13 13:52 ` Peter Zijlstra
2023-09-13 14:51 ` Liam R. Howlett
2023-09-13 16:12 ` Peter Zijlstra
2023-09-13 17:32 ` Liam R. Howlett
2023-09-14 7:13 ` Peter Zijlstra
2023-09-14 16:05 ` kernel test robot [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202309142334.a345320b-oliver.sang@intel.com \
--to=oliver.sang@intel.com \
--cc=Liam.Howlett@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=christophe.leroy@csgroup.eu \
--cc=geert@linux-m68k.org \
--cc=juri.lelli@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lkp@intel.com \
--cc=maple-tree@lists.infradead.org \
--cc=mingo@redhat.com \
--cc=oe-lkp@lists.linux.dev \
--cc=paulmck@kernel.org \
--cc=peterz@infradead.org \
--cc=rppt@kernel.org \
--cc=schwab@linux-m68k.org \
--cc=stable@vger.kernel.org \
--cc=vbabka@suse.cz \
--cc=vincent.guittot@linaro.org \
--cc=willy@infradead.org \
--cc=zhangpeng.00@bytedance.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.