linux-kernel - [lkp] [mm] ecfea70873: BUG: using smp_processor_id() in preemptible [00000000 00000000] code: kworker/u64:0/6

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Message-ID: <87a8nr4xck.fsf@yhuang-dev.intel.com>
Date:	Wed, 27 Jan 2016 09:36:43 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Ingo Molnar <mingo@...e.hu>
CC:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: [lkp] [mm] ecfea70873: BUG: using smp_processor_id() in preemptible
 [00000000 00000000] code: kworker/u64:0/6

FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.4.y-rt
commit ecfea7087396e8d4d38225296e971af4ada316a2 ("mm: page_alloc: rt-friendly per-cpu pages")


+----------------------------------------------------------------+------------+------------+
|                                                                | a87bd6aded | ecfea70873 |
+----------------------------------------------------------------+------------+------------+
| boot_successes                                                 | 81         | 0          |
| boot_failures                                                  | 42         | 70         |
| INFO:possible_irq_lock_inversion_dependency_detected           | 39         | 34         |
| backtrace:_do_fork                                             | 39         | 46         |
| backtrace:do_mount                                             | 32         | 34         |
| backtrace:SyS_mount                                            | 32         | 34         |
| backtrace:cgroup_setup_root                                    | 39         | 34         |
| backtrace:cgroup_init                                          | 39         | 34         |
| backtrace:smpboot_thread_fn                                    | 39         | 33         |
| backtrace:user_path_at_empty                                   | 6          |            |
| backtrace:SyS_name_to_handle_at                                | 6          |            |
| BUG:unable_to_handle_kernel                                    | 3          | 3          |
| Oops                                                           | 3          | 3          |
| RIP:__lock_acquire                                             | 3          | 3          |
| Kernel_panic-not_syncing:Fatal_exception                       | 3          | 3          |
| backtrace:fd_timer_workfn                                      | 3          | 3          |
| backtrace:SYSC_mkdirat                                         | 1          |            |
| backtrace:SyS_mkdir                                            | 1          |            |
| BUG:using_smp_processor_id()in_preemptible[##]code:kworker/u4  | 0          | 53         |
| backtrace:call_usermodehelper_exec_work                        | 0          | 45         |
| backtrace:pgd_alloc                                            | 0          | 34         |
| backtrace:mm_init                                              | 0          | 34         |
| BUG:using_smp_processor_id()in_preemptible[##]code:kworker/u8  | 0          | 8          |
| BUG:using_smp_processor_id()in_preemptible[##]code:kworker/u32 | 0          | 4          |
| backtrace:vfs_read                                             | 0          | 1          |
| backtrace:SyS_read                                             | 0          | 1          |
| BUG:using_smp_processor_id()in_preemptible[##]code:kworker/u64 | 0          | 4          |
| backtrace:debug_smp_processor_id                               | 0          | 2          |
| inconsistent{HARDIRQ-ON-W}->{IN-HARDIRQ-W}usage                | 0          | 1          |
| backtrace:cpu_startup_entry                                    | 0          | 1          |
+----------------------------------------------------------------+------------+------------+



[   23.717099] systemd-sysv-generator[619]: Ignoring K02urandom symlink in rc6.d, not generating urandom.service.
[   23.717107] systemd-sysv-generator[619]: Ignoring K07hwclock.sh symlink in rc6.d, not generating hwclock.service.
[   23.717115] systemd-sysv-generator[619]: Ignoring K01watchdog symlink in rc6.d, not generating watchdog.service.
[   24.405406] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: kworker/u64:0/6
[   24.405413] caller is debug_smp_processor_id+0x17/0x19
[   24.405416] CPU: 0 PID: 6 Comm: kworker/u64:0 Not tainted 4.4.0-rc6-00060-gecfea70 #2
[   24.405418] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   24.405425] Workqueue: events_unbound call_usermodehelper_exec_work
[   24.405429]  0000000000000000 ffff880247553a18 ffffffff8173deed 0000000000000000
[   24.405431]  ffff880247553a48 ffffffff8176207c 0000000000000006 ffff88025eef7f80
[   24.405434]  ffff880247553b48 0000000000000957 ffff880247553a58 ffffffff817620a8
[   24.405435] Call Trace:
[   24.405441]  [<ffffffff8173deed>] dump_stack+0x4e/0x79
[   24.405443]  [<ffffffff8176207c>] check_preemption_disabled+0x119/0x12e
[   24.405445]  [<ffffffff817620a8>] debug_smp_processor_id+0x17/0x19
[   24.405452]  [<ffffffff811b2be0>] get_page_from_freelist+0x441/0x7f9
[   24.405454]  [<ffffffff8173dce6>] ? cpumask_next_and+0x16/0x48
[   24.405461]  [<ffffffff810fd683>] ? ___might_sleep+0xce/0x217
[   24.405463]  [<ffffffff811b3862>] __alloc_pages_nodemask+0x160/0x2d3
[   24.405466]  [<ffffffff811b3a37>] __alloc_pages_node+0x62/0x69
[   24.405468]  [<ffffffff811b3a58>] alloc_kmem_pages_node+0x1a/0x1c
[   24.405472]  [<ffffffff810d7f5c>] copy_process+0x163/0x195f
[   24.405474]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.405479]  [<ffffffff811170a9>] ? mark_lock+0x24/0x201
[   24.405481]  [<ffffffff81117da3>] ? __lock_acquire+0x65b/0xdee
[   24.405483]  [<ffffffff810d98b0>] _do_fork+0x82/0x2f7
[   24.405485]  [<ffffffff811188c8>] ? lock_acquire+0x106/0x192
[   24.405487]  [<ffffffff811188c8>] ? lock_acquire+0x106/0x192
[   24.405489]  [<ffffffff810d9b4e>] kernel_thread+0x29/0x2b
[   24.405491]  [<ffffffff810ec38c>] call_usermodehelper_exec_work+0x7d/0x90
[   24.405497]  [<ffffffff810f0126>] process_one_work+0x247/0x47c
[   24.405500]  [<ffffffff810f0808>] worker_thread+0x1f5/0x2a7
[   24.405501]  [<ffffffff810f0613>] ? rescuer_thread+0x289/0x289
[   24.405505]  [<ffffffff810f5700>] kthread+0xc5/0xcd
[   24.405508]  [<ffffffff810f563b>] ? kthread_parkme+0x24/0x24
[   24.405511]  [<ffffffff82e2f69f>] ret_from_fork+0x3f/0x70
[   24.405513]  [<ffffffff810f563b>] ? kthread_parkme+0x24/0x24
[   24.406071] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: kworker/u64:0/627
[   24.406077] caller is debug_smp_processor_id+0x17/0x19
[   24.406080] CPU: 2 PID: 627 Comm: kworker/u64:0 Not tainted 4.4.0-rc6-00060-gecfea70 #2
[   24.406082] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   24.406086]  0000000000000000 ffff880217dffc70 ffffffff8173deed 0000000000000002
[   24.406088]  ffff880217dffca0 ffffffff8176207c 0000000000000273 ffff88025eef7f80
[   24.406091]  ffff880217dffda0 0000000000000957 ffff880217dffcb0 ffffffff817620a8
[   24.406092] Call Trace:
[   24.406099]  [<ffffffff8173deed>] dump_stack+0x4e/0x79
[   24.406101]  [<ffffffff8176207c>] check_preemption_disabled+0x119/0x12e
[   24.406103]  [<ffffffff817620a8>] debug_smp_processor_id+0x17/0x19
[   24.406110]  [<ffffffff811b2a5c>] get_page_from_freelist+0x2bd/0x7f9
[   24.406116]  [<ffffffff810fd683>] ? ___might_sleep+0xce/0x217
[   24.406119]  [<ffffffff811b3862>] __alloc_pages_nodemask+0x160/0x2d3
[   24.406124]  [<ffffffff811eb13b>] alloc_pages_current+0xae/0xe2
[   24.406127]  [<ffffffff811af2df>] __get_free_pages+0x16/0x52
[   24.406132]  [<ffffffff8109d3a1>] pgd_alloc+0x1d/0xcb
[   24.406137]  [<ffffffff810d76b9>] mm_init+0x181/0x1c1
[   24.406139]  [<ffffffff810d7b19>] mm_alloc+0x3f/0x41
[   24.406143]  [<ffffffff81204c0c>] do_execveat_common+0x26b/0x6db
[   24.406145]  [<ffffffff8120509f>] do_execve+0x23/0x25
[   24.406149]  [<ffffffff810ec5a6>] call_usermodehelper_exec_async+0x100/0x12d
[   24.406151]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.406155]  [<ffffffff82e2f69f>] ret_from_fork+0x3f/0x70
[   24.406157]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.406211] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: kworker/u64:0/627
[   24.406212] caller is debug_smp_processor_id+0x17/0x19
[   24.406214] CPU: 2 PID: 627 Comm: kworker/u64:0 Not tainted 4.4.0-rc6-00060-gecfea70 #2
[   24.406215] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   24.406217]  0000000000000000 ffff880217dffa58 ffffffff8173deed 0000000000000002
[   24.406220]  ffff880217dffa88 ffffffff8176207c 0000000000000273 ffff88025eef7f80
[   24.406222]  ffff880217dffb88 0000000000000957 ffff880217dffa98 ffffffff817620a8
[   24.406223] Call Trace:
[   24.406225]  [<ffffffff8173deed>] dump_stack+0x4e/0x79
[   24.406227]  [<ffffffff8176207c>] check_preemption_disabled+0x119/0x12e
[   24.406229]  [<ffffffff817620a8>] debug_smp_processor_id+0x17/0x19
[   24.406231]  [<ffffffff811b2a5c>] get_page_from_freelist+0x2bd/0x7f9
[   24.406234]  [<ffffffff810fd683>] ? ___might_sleep+0xce/0x217
[   24.406236]  [<ffffffff811b3862>] __alloc_pages_nodemask+0x160/0x2d3
[   24.406238]  [<ffffffff811eb13b>] alloc_pages_current+0xae/0xe2
[   24.406241]  [<ffffffff811af2df>] __get_free_pages+0x16/0x52
[   24.406242]  [<ffffffff811af331>] get_zeroed_page+0x16/0x18
[   24.406250]  [<ffffffff811d1b15>] __pud_alloc+0x20/0xa3
[   24.406252]  [<ffffffff811d1bbd>] pud_alloc+0x25/0x30
[   24.406255]  [<ffffffff811d3378>] handle_mm_fault+0xa7/0xbf1
[   24.406262]  [<ffffffff81215bbc>] ? touch_atime+0x97/0xa0
[   24.406265]  [<ffffffff811ce94e>] ? follow_page_mask+0x490/0x4be
[   24.406269]  [<ffffffff81114b60>] ? lock_is_held+0x49/0x50
[   24.406271]  [<ffffffff811cee37>] __get_user_pages+0x4bb/0x568
[   24.406273]  [<ffffffff81117da3>] ? __lock_acquire+0x65b/0xdee
[   24.406275]  [<ffffffff811cf23b>] get_user_pages+0x42/0x44
[   24.406282]  [<ffffffff81203acc>] copy_strings+0x189/0x2b9
[   24.406284]  [<ffffffff81203c30>] copy_strings_kernel+0x34/0x40
[   24.406286]  [<ffffffff81204d94>] do_execveat_common+0x3f3/0x6db
[   24.406288]  [<ffffffff8120509f>] do_execve+0x23/0x25
[   24.406290]  [<ffffffff810ec5a6>] call_usermodehelper_exec_async+0x100/0x12d
[   24.406292]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.406293]  [<ffffffff82e2f69f>] ret_from_fork+0x3f/0x70
[   24.406295]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.406304] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: kworker/u64:0/627
[   24.406305] caller is debug_smp_processor_id+0x17/0x19
[   24.406307] CPU: 2 PID: 627 Comm: kworker/u64:0 Not tainted 4.4.0-rc6-00060-gecfea70 #2
[   24.406308] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   24.406310]  0000000000000000 ffff880217dffa70 ffffffff8173deed 0000000000000002
[   24.406313]  ffff880217dffaa0 ffffffff8176207c 0000000000000273 ffff88025eef7f80
[   24.406315]  ffff880217dffba0 0000000000000957 ffff880217dffab0 ffffffff817620a8
[   24.406316] Call Trace:
[   24.406318]  [<ffffffff8173deed>] dump_stack+0x4e/0x79
[   24.406319]  [<ffffffff8176207c>] check_preemption_disabled+0x119/0x12e
[   24.406321]  [<ffffffff817620a8>] debug_smp_processor_id+0x17/0x19
[   24.406323]  [<ffffffff811b2a5c>] get_page_from_freelist+0x2bd/0x7f9
[   24.406326]  [<ffffffff810fd683>] ? ___might_sleep+0xce/0x217
[   24.406328]  [<ffffffff811b3862>] __alloc_pages_nodemask+0x160/0x2d3
[   24.406331]  [<ffffffff811eb13b>] alloc_pages_current+0xae/0xe2
[   24.406333]  [<ffffffff811d21bb>] __pmd_alloc+0x24/0x161
[   24.406335]  [<ffffffff811d231d>] pmd_alloc+0x25/0x30
[   24.406337]  [<ffffffff811d3390>] handle_mm_fault+0xbf/0xbf1
[   24.406339]  [<ffffffff81215bbc>] ? touch_atime+0x97/0xa0
[   24.406341]  [<ffffffff811ce94e>] ? follow_page_mask+0x490/0x4be
[   24.406343]  [<ffffffff81114b60>] ? lock_is_held+0x49/0x50
[   24.406345]  [<ffffffff811cee37>] __get_user_pages+0x4bb/0x568
[   24.406347]  [<ffffffff81117da3>] ? __lock_acquire+0x65b/0xdee
[   24.406349]  [<ffffffff811cf23b>] get_user_pages+0x42/0x44
[   24.406351]  [<ffffffff81203acc>] copy_strings+0x189/0x2b9
[   24.406354]  [<ffffffff81203c30>] copy_strings_kernel+0x34/0x40
[   24.406356]  [<ffffffff81204d94>] do_execveat_common+0x3f3/0x6db
[   24.406357]  [<ffffffff8120509f>] do_execve+0x23/0x25
[   24.406359]  [<ffffffff810ec5a6>] call_usermodehelper_exec_async+0x100/0x12d
[   24.406361]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.406363]  [<ffffffff82e2f69f>] ret_from_fork+0x3f/0x70
[   24.406365]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.406374] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: kworker/u64:0/627
[   24.406376] caller is debug_smp_processor_id+0x17/0x19
[   24.406377] CPU: 2 PID: 627 Comm: kworker/u64:0 Not tainted 4.4.0-rc6-00060-gecfea70 #2
[   24.406379] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   24.406381]  0000000000000000 ffff880217dffa80 ffffffff8173deed 0000000000000002
[   24.406384]  ffff880217dffab0 ffffffff8176207c 0000000000000273 ffff88025eef7f80
[   24.406386]  ffff880217dffbb0 0000000000000957 ffff880217dffac0 ffffffff817620a8
[   24.406387] Call Trace:
[   24.406389]  [<ffffffff8173deed>] dump_stack+0x4e/0x79
[   24.406391]  [<ffffffff8176207c>] check_preemption_disabled+0x119/0x12e
[   24.406393]  [<ffffffff817620a8>] debug_smp_processor_id+0x17/0x19
[   24.406395]  [<ffffffff811b2a5c>] get_page_from_freelist+0x2bd/0x7f9
[   24.406398]  [<ffffffff810fd683>] ? ___might_sleep+0xce/0x217
[   24.406400]  [<ffffffff811b3862>] __alloc_pages_nodemask+0x160/0x2d3
[   24.406403]  [<ffffffff811eb13b>] alloc_pages_current+0xae/0xe2
[   24.406405]  [<ffffffff8109d1f9>] pte_alloc_one+0x17/0x7b
[   24.406407]  [<ffffffff811d20c4>] __pte_alloc+0x1e/0xf1
[   24.406408]  [<ffffffff811d33ee>] handle_mm_fault+0x11d/0xbf1
[   24.406410]  [<ffffffff81215bbc>] ? touch_atime+0x97/0xa0
[   24.406412]  [<ffffffff811ce94e>] ? follow_page_mask+0x490/0x4be
[   24.406414]  [<ffffffff81114b60>] ? lock_is_held+0x49/0x50
[   24.406416]  [<ffffffff811cee37>] __get_user_pages+0x4bb/0x568
[   24.406418]  [<ffffffff81117da3>] ? __lock_acquire+0x65b/0xdee
[   24.406420]  [<ffffffff811cf23b>] get_user_pages+0x42/0x44
[   24.406422]  [<ffffffff81203acc>] copy_strings+0x189/0x2b9
[   24.406425]  [<ffffffff81203c30>] copy_strings_kernel+0x34/0x40
[   24.406426]  [<ffffffff81204d94>] do_execveat_common+0x3f3/0x6db
[   24.406428]  [<ffffffff8120509f>] do_execve+0x23/0x25
[   24.406430]  [<ffffffff810ec5a6>] call_usermodehelper_exec_async+0x100/0x12d
[   24.406432]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.406434]  [<ffffffff82e2f69f>] ret_from_fork+0x3f/0x70
[   24.406436]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.406454] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: kworker/u64:0/627
[   24.406456] caller is debug_smp_processor_id+0x17/0x19
[   24.406457] CPU: 2 PID: 627 Comm: kworker/u64:0 Not tainted 4.4.0-rc6-00060-gecfea70 #2
[   24.406459] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   24.406461]  0000000000000000 ffff880217dffaa8 ffffffff8173deed 0000000000000002
[   24.406464]  ffff880217dffad8 ffffffff8176207c 0000000000000273 ffff88025eef7f80
[   24.406466]  ffff880217dffbd8 0000000000000957 ffff880217dffae8 ffffffff817620a8
[   24.406467] Call Trace:
[   24.406469]  [<ffffffff8173deed>] dump_stack+0x4e/0x79
[   24.406471]  [<ffffffff8176207c>] check_preemption_disabled+0x119/0x12e
[   24.406473]  [<ffffffff817620a8>] debug_smp_processor_id+0x17/0x19
[   24.406475]  [<ffffffff811b2a5c>] get_page_from_freelist+0x2bd/0x7f9
[   24.406478]  [<ffffffff811d85a7>] ? expand_downwards+0x146/0x1d5
[   24.406480]  [<ffffffff810fd683>] ? ___might_sleep+0xce/0x217
[   24.406483]  [<ffffffff811b3862>] __alloc_pages_nodemask+0x160/0x2d3
[   24.406486]  [<ffffffff811ec0e4>] alloc_pages_vma+0xca/0x108
[   24.406488]  [<ffffffff811d34f9>] handle_mm_fault+0x228/0xbf1
[   24.406489]  [<ffffffff81215bbc>] ? touch_atime+0x97/0xa0
[   24.406492]  [<ffffffff811ce94e>] ? follow_page_mask+0x490/0x4be
[   24.406493]  [<ffffffff81114b60>] ? lock_is_held+0x49/0x50
[   24.406495]  [<ffffffff811cee37>] __get_user_pages+0x4bb/0x568
[   24.406497]  [<ffffffff81117da3>] ? __lock_acquire+0x65b/0xdee
[   24.406499]  [<ffffffff811cf23b>] get_user_pages+0x42/0x44
[   24.406501]  [<ffffffff81203acc>] copy_strings+0x189/0x2b9
[   24.406504]  [<ffffffff81203c30>] copy_strings_kernel+0x34/0x40
[   24.406506]  [<ffffffff81204d94>] do_execveat_common+0x3f3/0x6db
[   24.406507]  [<ffffffff8120509f>] do_execve+0x23/0x25
[   24.406510]  [<ffffffff810ec5a6>] call_usermodehelper_exec_async+0x100/0x12d
[   24.406511]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.406513]  [<ffffffff82e2f69f>] ret_from_fork+0x3f/0x70
[   24.406515]  [<ffffffff810ec4a6>] ? call_usermodehelper+0x45/0x45
[   24.406621] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: kworker/u64:0/627
[   24.406623] caller is debug_smp_processor_id+0x17/0x19
[   24.406625] CPU: 2 PID: 627 Comm: kworker/u64:0 Not tainted 4.4.0-rc6-00060-gecfea70 #2
[   24.406626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   24.406629]  0000000000000000 ffff880217dffc28 ffffffff8173deed 0000000000000002
[   24.406632]  ffff880217dffc58 ffffffff8176207c 0000000000000273 0000000000000000
[   24.406634]  ffffea00028d6c28 00000000000bab13 ffff880217dffc68 ffffffff817620a8
[   24.406635] Call Trace:
[   24.406637]  [<ffffffff8173deed>] dump_stack+0x4e/0x79
[   24.406639]  [<ffffffff8176207c>] check_preemption_disabled+0x119/0x12e





Thanks,
Ying Huang

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