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Message-ID: <0a46f0ae-28b3-3c11-5ec9-c60d4ceddfc6@kernel.org>
Date: Tue, 4 Sep 2018 16:28:44 -0600
From: Shuah Khan <shuah@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: open list <linux-kernel@...r.kernel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Guenter Roeck <linux@...ck-us.net>, patches@...nelci.org,
Ben Hutchings <ben.hutchings@...ethink.co.uk>,
lkft-triage@...ts.linaro.org,
linux- stable <stable@...r.kernel.org>,
Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH 4.14 000/165] 4.14.68-stable review
On 09/04/2018 01:32 PM, Greg Kroah-Hartman wrote:
> On Tue, Sep 04, 2018 at 09:49:43AM +0530, Naresh Kamboju wrote:
>> On 3 September 2018 at 22:24, Greg Kroah-Hartman
>> <gregkh@...uxfoundation.org> wrote:
>>> This is the start of the stable review cycle for the 4.14.68 release.
>>> There are 165 patches in this series, all will be posted as a response
>>> to this one. If anyone has any issues with these being applied, please
>>> let me know.
>>>
>>> Responses should be made by Wed Sep 5 16:56:19 UTC 2018.
>>> Anything received after that time might be too late.
>>>
>>> The whole patch series can be found in one patch at:
>>> https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.68-rc1.gz
>>> or in the git tree and branch at:
>>> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
>>> and the diffstat can be found below.
>>>
>>> thanks,
>>>
>>> greg k-h
>>
>> Running kselftest
>> selftests: bpf: test_tunnel.sh reported kernel crash on i386 device
>> running 4.14.68-rc1
>> and similar issue reported on 4.18.6-rc1.
>>
>> [ 92.244007] low stack detected by irq handler
>> [ 92.244145] BUG: unable to handle kernel paging request at c4fb1f64
>> [ 92.244161] IP: __call_rcu.constprop.76+0x27/0x4b0
>> [ 92.244164] *pde = 35c05063 *pte = 04fb1161
>> [ 92.244172] Oops: 0003 [#1] SMP
>> [ 92.244176] Modules linked in: veth x86_pkg_temp_thermal fuse
>> [ 92.244187] CPU: 2 PID: 19 Comm: ksoftirqd/2 Not tainted 4.14.68-rc1 #1
>> [ 92.244190] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
>> 2.0b 07/27/2017
>> [ 92.244192] task: f5db8000 task.stack: f5db4000
>> [ 92.244198] EIP: __call_rcu.constprop.76+0x27/0x4b0
>> [ 92.244201] EFLAGS: 00210246 CPU: 2
>> [ 92.244204] EAX: 00000000 EBX: c4fb17a0 ECX: c5c2d640 EDX: c4fb17a0
>> [ 92.244206] ESI: c4fb1f60 EDI: c4fb1f60 EBP: f5db5ee4 ESP: f5db5eb0
>> [ 92.244209] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>> [ 92.244212] CR0: 80050033 CR2: c4fb1f64 CR3: 05dff000 CR4: 003406d0
>> [ 92.244215] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
>> [ 92.244216] DR6: fffe0ff0 DR7: 00000400
>> [ 92.244218] Call Trace:
>> [ 92.244228] ? rcu_process_callbacks+0x200/0xdd0
>> [ 92.244234] ? __lock_is_held+0x48/0x80
>> [ 92.244242] ? tlb_table_flush.part.118+0x10/0x30
>> [ 92.244248] call_rcu_sched+0x14/0x20
>> [ 92.244252] tlb_table_flush.part.118+0x1d/0x30
>> [ 92.244257] ? rcu_process_callbacks+0x254/0xdd0
>> [ 92.244264] ? finish_task_switch+0x87/0x1d0
>> [ 92.244276] __do_softirq+0xac/0x426
>> [ 92.244288] run_ksoftirqd+0x1f/0x60
>> [ 92.244295] smpboot_thread_fn+0x120/0x1d0
>> [ 92.244300] kthread+0xfa/0x110
>> [ 92.244305] ? sort_range+0x20/0x20
>> [ 92.244310] ? kthread_create_on_node+0x20/0x20
>> [ 92.244316] ret_from_fork+0x2e/0x38
>> [ 92.244325] Code: 00 00 00 00 3e 8d 74 26 00 55 89 e5 57 56 53 89
>> c6 89 d3 83 ec 28 8b 45 08 f7 c6 03 00 00 00 89 4d ec 89 45 e4 0f 85
>> 39 03 00 00 <89> 5e 04 c7 06 00 00 00 00 9c 8f 45 f0 fa e8 66 69 fd ff
>> 8b 55
>> [ 92.244413] EIP: __call_rcu.constprop.76+0x27/0x4b0 SS:ESP: 0068:f5db5eb0
>> [ 92.244415] CR2: 00000000c4fb1f64
>> [ 92.244425] ---[ end trace df3b7c276e7f3926 ]---
>> [ 92.244427] Kernel panic - not syncing: Fatal exception in interrupt
>> [ 92.432150] CPU: 0 PID: 2388 Comm: named Tainted: G D
>> 4.14.68-rc1 #1
>> [ 92.439620] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
>> 2.0b 07/27/2017
>> [ 92.447090] Call Trace:
>> [ 92.449535] <IRQ>
>> [ 92.451547] dump_stack+0x66/0x92
>> [ 92.454865] print_stack_overflow+0x17/0x30
>> [ 92.459052] call_on_stack+0x45/0x50
>> [ 92.462628] </IRQ>
>> [ 92.464730] Kernel Offset: 0x3e00000 from 0xc1000000 (relocation
>> range: 0xc0000000-0xf7bfdfff)
>> [ 92.473333] ---[ end Kernel panic - not syncing: Fatal exception in interrupt
>> [ 92.480458] sched: Unexpected reschedule of offline CPU#3!
>> [ 92.485943] ------------[ cut here ]------------
>> [ 92.490563] WARNING: CPU: 2 PID: 19 at
>> /srv/oe/build/tmp-rpb-glibc/work-shared/intel-core2-32/kernel-source/arch/x86/kernel/smp.c:128
>> native_smp_send_reschedule+0x33/0x40
>> [ 92.505752] Modules linked in: veth x86_pkg_temp_thermal fuse
>> [ 92.511490] CPU: 2 PID: 19 Comm: ksoftirqd/2 Tainted: G D
>> 4.14.68-rc1 #1
>> [ 92.519305] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
>> 2.0b 07/27/2017
>> [ 92.526779] task: f5db8000 task.stack: f5db4000
>> [ 92.531303] EIP: native_smp_send_reschedule+0x33/0x40
>> [ 92.536355] EFLAGS: 00210086 CPU: 2
>> [ 92.539837] EAX: 0000002e EBX: 00000003 ECX: f61d9900 EDX: f61d2d34
>> [ 92.546095] ESI: f5d85500 EDI: f5d85500 EBP: f5db5b44 ESP: f5db5b3c
>> [ 92.552352] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>> [ 92.557744] CR0: 80050033 CR2: c4fb1f64 CR3: 05dff000 CR4: 003406d0
>> [ 92.563998] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
>> [ 92.570256] DR6: fffe0ff0 DR7: 00000400
>> [ 92.574087] Call Trace:
>> [ 92.576534] resched_curr+0x59/0x180
>> [ 92.580112] check_preempt_curr+0x8d/0xb0
>> [ 92.584115] ttwu_do_wakeup+0x17/0x240
>> [ 92.587857] ? activate_task+0x52/0xc0
>> [ 92.591602] ttwu_do_activate+0x6c/0x90
>> [ 92.595433] try_to_wake_up+0x2ed/0x570
>> [ 92.599265] default_wake_function+0x10/0x20
>> [ 92.603536] autoremove_wake_function+0x14/0x40
>> [ 92.608059] __wake_up_common+0x68/0x110
>> [ 92.611978] __wake_up_common_lock+0x57/0x80
>> [ 92.616243] __wake_up+0x12/0x20
>> [ 92.619476] wake_up_klogd_work_func+0x3c/0x60
>> [ 92.623920] irq_work_run_list+0x38/0x60
>> [ 92.627836] irq_work_tick+0x31/0x40
>> [ 92.631408] update_process_times+0x3a/0x50
>> [ 92.635586] tick_sched_handle+0x40/0x60
>> [ 92.639511] tick_sched_timer+0x38/0x90
>> [ 92.643342] __hrtimer_run_queues+0xe0/0x490
>> [ 92.647606] ? tick_sched_do_timer+0x60/0x60
>> [ 92.651878] hrtimer_interrupt+0x8f/0x190
>> [ 92.655884] smp_apic_timer_interrupt+0x68/0x290
>> [ 92.660501] apic_timer_interrupt+0x3a/0x40
>> [ 92.664678] EIP: panic+0x186/0x1cc
>> [ 92.668073] EFLAGS: 00200246 CPU: 2
>> [ 92.671558] EAX: c5ad3108 EBX: 00000000 ECX: f61d2d30 EDX: 00000000
>> [ 92.677815] ESI: 00000000 EDI: 00000000 EBP: f5db5d8c ESP: f5db5d78
>> [ 92.684072] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>> [ 92.689465] ? freeze_processes+0x3b/0xe0
>> [ 92.693477] oops_end+0xa3/0xb0
>> [ 92.696614] no_context+0xd9/0x200
>> [ 92.700010] ? tlb_table_flush.part.118+0x14/0x30
>> [ 92.704706] ? find_busiest_group+0x29/0x520
>> [ 92.708971] ? tlb_table_flush.part.118+0x14/0x30
>> [ 92.713668] __bad_area_nosemaphore+0xa4/0x130
>> [ 92.718107] bad_area_nosemaphore+0x12/0x20
>> [ 92.722284] __do_page_fault+0xb5/0x4b0
>> [ 92.726116] ? __lock_acquire+0x1fe/0x1130
>> [ 92.730213] ? tlb_table_flush.part.118+0x14/0x30
>> [ 92.734910] ? tlb_table_flush.part.118+0x14/0x30
>> [ 92.739607] do_page_fault+0x20/0x240
>> [ 92.743265] ? tlb_flush_mmu_free+0x50/0x50
>> [ 92.747442] ? tlb_table_flush.part.118+0x10/0x30
>> [ 92.752138] ? __do_page_fault+0x4b0/0x4b0
>> [ 92.756229] common_exception+0x7c/0x82
>> [ 92.760061] EIP: __call_rcu.constprop.76+0x27/0x4b0
>> [ 92.764930] EFLAGS: 00210246 CPU: 2
>> [ 92.768415] EAX: 00000000 EBX: c4fb17a0 ECX: c5c2d640 EDX: c4fb17a0
>> [ 92.774671] ESI: c4fb1f60 EDI: c4fb1f60 EBP: f5db5ee4 ESP: f5db5eb0
>> [ 92.780928] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
>> [ 92.786320] ? tlb_flush_mmu_free+0x50/0x50
>> [ 92.790497] ? tlb_flush_mmu_free+0x50/0x50
>> [ 92.794674] ? tlb_table_flush.part.118+0x10/0x30
>> [ 92.799371] ? tlb_table_flush.part.118+0x10/0x30
>> [ 92.804069] ? __init_swait_queue_head+0x3b/0x40
>> [ 92.808686] ? __do_page_fault+0x4b0/0x4b0
>> [ 92.812778] ? rcu_process_callbacks+0x200/0xdd0
>> [ 92.817388] ? __lock_is_held+0x48/0x80
>> [ 92.821219] ? tlb_table_flush.part.118+0x10/0x30
>> [ 92.825916] call_rcu_sched+0x14/0x20
>> [ 92.829574] tlb_table_flush.part.118+0x1d/0x30
>> [ 92.834098] ? rcu_process_callbacks+0x254/0xdd0
>> [ 92.838715] ? finish_task_switch+0x87/0x1d0
>> [ 92.842981] __do_softirq+0xac/0x426
>> [ 92.846551] run_ksoftirqd+0x1f/0x60
>> [ 92.850122] smpboot_thread_fn+0x120/0x1d0
>> [ 92.854213] kthread+0xfa/0x110
>> [ 92.857359] ? sort_range+0x20/0x20
>> [ 92.860840] ? kthread_create_on_node+0x20/0x20
>> [ 92.865365] ret_from_fork+0x2e/0x38
>> [ 92.868938] Code: 0f a3 05 dc da ce c5 73 17 8b 0d 20 d6 ba c5 ba
>> fd 00 00 00 ff 51 58 c9 c3 8d b4 26 00 00 00 00 50 68 e0 cc ac c5 e8
>> 0a fa 07 00 <0f> 0b 58 5a c9 c3 8d b4 26 00 00 00 00 3e 8d 74 26 00 8b
>> 15 f0
>> [ 92.887724] ---[ end trace df3b7c276e7f3927 ]---
>>
>> Details for test full run,
>>
>> 4.14 run,
>> https://lkft.validation.linaro.org/scheduler/job/404796
>>
>> 4.18.6-rc1 run,
>> https://lkft.validation.linaro.org/scheduler/job/404027#L3244
>
> I have pushed out a -rc2 to hopefully fix this problem.
>
This does fix the problem. rc1 didn't boot on my test system.
rc2 compiled and booted. No dmesg regressions.
thanks,
-- Shuah
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