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Date: Thu, 28 May 2020 16:52:53 +0800
From: kernel test robot <rong.a.chen@...el.com>
To: Qais Yousef <qais.yousef@....com>
Cc: Ingo Molnar <mingo@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Qais Yousef <qais.yousef@....com>,
Juri Lelli <juri.lelli@...hat.com>,
Vincent Guittot <vincent.guittot@...aro.org>,
Dietmar Eggemann <dietmar.eggemann@....com>,
Steven Rostedt <rostedt@...dmis.org>,
Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
Andrew Morton <akpm@...ux-foundation.org>,
Thomas Gleixner <tglx@...utronix.de>,
Yury Norov <yury.norov@...il.com>,
Paul Turner <pjt@...gle.com>,
Alexey Dobriyan <adobriyan@...il.com>,
Josh Don <joshdon@...gle.com>,
Pavan Kondeti <pkondeti@...eaurora.org>,
linux-kernel@...r.kernel.org, lkp@...ts.01.org
Subject: [cpumask] a7934287d8:
BUG:using__this_cpu_read()in_preemptible[#]code:kworker
Greeting,
FYI, we noticed the following commit (built with gcc-7):
commit: a7934287d8a6c43811fca8ddf421b3b6091564f2 ("[PATCH 2/4] cpumask: Make cpumask_any() truly random")
url: https://github.com/0day-ci/linux/commits/Qais-Yousef/sched-rt-Distribute-tasks-in-find_lowest_rq/20200415-040515
in testcase: locktorture
with following parameters:
runtime: 300s
test: cpuhotplug
test-description: This torture test consists of creating a number of kernel threads which acquire the lock and hold it for specific amount of time, thus simulating different critical region behaviors.
test-url: https://www.kernel.org/doc/Documentation/locking/locktorture.txt
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+----------------------------------------------------------+------------+------------+
| | bb4424cb99 | a7934287d8 |
+----------------------------------------------------------+------------+------------+
| boot_successes | 8 | 0 |
| boot_failures | 0 | 8 |
| BUG:using__this_cpu_read()in_preemptible[#]code:kworker | 0 | 8 |
| BUG:using__this_cpu_write()in_preemptible[#]code:kworker | 0 | 8 |
+----------------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@...el.com>
[ 69.501074] BUG: using __this_cpu_read() in preemptible [00000000] code: kworker/0:1/12
[ 69.505571] caller is cpumask_any+0x14/0x70
[ 69.508332] CPU: 1 PID: 12 Comm: kworker/0:1 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 69.512218] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 69.516270] Workqueue: events cpuset_hotplug_workfn
[ 69.519114] Call Trace:
[ 69.521394] dump_stack+0x8f/0xcb
[ 69.524026] __this_cpu_preempt_check+0xaf/0xc0
[ 69.526886] cpumask_any+0x14/0x70
[ 69.529265] partition_sched_domains_locked+0x152/0x500
[ 69.532200] rebuild_sched_domains_locked+0x5a1/0xba0
[ 69.535164] ? down_write+0x38/0x70
[ 69.537489] ? cpumask_next+0x17/0x20
[ 69.539929] ? percpu_down_write+0xa3/0x100
[ 69.542643] rebuild_sched_domains+0x1b/0x30
[ 69.545257] cpuset_hotplug_workfn+0x74e/0x1310
[ 69.547867] ? process_one_work+0x1be/0x5f0
[ 69.550317] process_one_work+0x23e/0x5f0
[ 69.552855] ? worker_thread+0xce/0x390
[ 69.555291] worker_thread+0x3c/0x390
[ 69.557624] ? process_one_work+0x5f0/0x5f0
[ 69.560003] kthread+0x145/0x170
[ 69.562255] ? kthread_park+0x90/0x90
[ 69.564666] ret_from_fork+0x3a/0x50
[ 69.567057] BUG: using __this_cpu_write() in preemptible [00000000] code: kworker/0:1/12
[ 69.570605] caller is cpumask_any+0x4d/0x70
[ 69.573025] CPU: 1 PID: 12 Comm: kworker/0:1 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 69.576279] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 69.579764] Workqueue: events cpuset_hotplug_workfn
[ 69.582268] Call Trace:
[ 69.584206] dump_stack+0x8f/0xcb
[ 69.586294] __this_cpu_preempt_check+0xaf/0xc0
[ 69.588763] cpumask_any+0x4d/0x70
[ 69.591035] partition_sched_domains_locked+0x152/0x500
[ 69.593763] rebuild_sched_domains_locked+0x5a1/0xba0
[ 69.596343] ? down_write+0x38/0x70
[ 69.598635] ? cpumask_next+0x17/0x20
[ 69.600800] ? percpu_down_write+0xa3/0x100
[ 69.603283] rebuild_sched_domains+0x1b/0x30
[ 69.605590] cpuset_hotplug_workfn+0x74e/0x1310
[ 69.608078] ? process_one_work+0x1be/0x5f0
[ 69.610607] process_one_work+0x23e/0x5f0
[ 69.613089] ? worker_thread+0xce/0x390
[ 69.615435] worker_thread+0x3c/0x390
[ 69.617739] ? process_one_work+0x5f0/0x5f0
[ 69.620199] kthread+0x145/0x170
[ 69.622269] ? kthread_park+0x90/0x90
[ 69.624534] ret_from_fork+0x3a/0x50
[ 72.608226] smpboot: Booting Node 0 Processor 0 APIC 0x0
[ 72.623234] kvm-clock: cpu 0, msr 23b401001, secondary cpu clock
[ 72.623294] masked ExtINT on CPU#0
[ 72.655688] KVM setup async PF for cpu 0
[ 72.658605] kvm-stealtime: cpu 0, msr 23fc30040
[ 75.728553] Unregister pv shared memory for cpu 1
[ 75.741355] smpboot: CPU 1 is now offline
[ 75.749031] BUG: using __this_cpu_read() in preemptible [00000000] code: kworker/1:1/32
[ 75.753000] caller is cpumask_any+0x14/0x70
[ 75.755574] CPU: 0 PID: 32 Comm: kworker/1:1 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 75.758960] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 75.762748] Workqueue: events cpuset_hotplug_workfn
[ 75.765380] Call Trace:
[ 75.767570] dump_stack+0x8f/0xcb
[ 75.769807] __this_cpu_preempt_check+0xaf/0xc0
[ 75.772365] cpumask_any+0x14/0x70
[ 75.774705] partition_sched_domains_locked+0x152/0x500
[ 75.777399] rebuild_sched_domains_locked+0x5a1/0xba0
[ 75.779940] ? down_write+0x38/0x70
[ 75.782189] ? cpumask_next+0x17/0x20
[ 75.784537] ? percpu_down_write+0xa3/0x100
[ 75.787181] rebuild_sched_domains+0x1b/0x30
[ 75.789560] cpuset_hotplug_workfn+0x74e/0x1310
[ 75.791999] ? process_one_work+0x1be/0x5f0
[ 75.794440] process_one_work+0x23e/0x5f0
[ 75.796702] ? worker_thread+0xce/0x390
[ 75.799062] worker_thread+0x3c/0x390
[ 75.801445] ? process_one_work+0x5f0/0x5f0
[ 75.803864] kthread+0x145/0x170
[ 75.805972] ? kthread_park+0x90/0x90
[ 75.808664] ret_from_fork+0x3a/0x50
[ 75.811162] BUG: using __this_cpu_write() in preemptible [00000000] code: kworker/1:1/32
[ 75.814497] caller is cpumask_any+0x4d/0x70
[ 75.816861] CPU: 0 PID: 32 Comm: kworker/1:1 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 75.820558] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 75.828295] Workqueue: events cpuset_hotplug_workfn
[ 75.830705] Call Trace:
[ 75.833009] dump_stack+0x8f/0xcb
[ 75.835214] __this_cpu_preempt_check+0xaf/0xc0
[ 75.837779] cpumask_any+0x4d/0x70
[ 75.840083] partition_sched_domains_locked+0x152/0x500
[ 75.842971] rebuild_sched_domains_locked+0x5a1/0xba0
[ 75.845729] ? down_write+0x38/0x70
[ 75.848117] ? cpumask_next+0x17/0x20
[ 75.850597] ? percpu_down_write+0xa3/0x100
[ 75.853049] rebuild_sched_domains+0x1b/0x30
[ 75.855647] cpuset_hotplug_workfn+0x74e/0x1310
[ 75.858190] ? process_one_work+0x1be/0x5f0
[ 75.860745] process_one_work+0x23e/0x5f0
[ 75.863280] ? worker_thread+0xce/0x390
[ 75.865699] worker_thread+0x3c/0x390
[ 75.868085] ? process_one_work+0x5f0/0x5f0
[ 75.870592] kthread+0x145/0x170
[ 75.872739] ? kthread_park+0x90/0x90
[ 75.875055] ret_from_fork+0x3a/0x50
[ 81.896088] x86: Booting SMP configuration:
[ 81.905907] smpboot: Booting Node 0 Processor 1 APIC 0x1
[ 81.913431] kvm-clock: cpu 1, msr 23b401041, secondary cpu clock
[ 81.913488] masked ExtINT on CPU#1
[ 81.937706] KVM setup async PF for cpu 1
[ 81.940401] kvm-stealtime: cpu 1, msr 23fd30040
[ 84.980215] Unregister pv shared memory for cpu 0
[ 85.001386] smpboot: CPU 0 is now offline
[ 85.010941] BUG: using __this_cpu_read() in preemptible [00000000] code: kworker/0:2/144
[ 85.014653] caller is cpumask_any+0x14/0x70
[ 85.017195] CPU: 1 PID: 144 Comm: kworker/0:2 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 85.020677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 85.024172] Workqueue: events cpuset_hotplug_workfn
[ 85.026826] Call Trace:
[ 85.028689] dump_stack+0x8f/0xcb
[ 85.030943] __this_cpu_preempt_check+0xaf/0xc0
[ 85.033582] cpumask_any+0x14/0x70
[ 85.035717] partition_sched_domains_locked+0x152/0x500
[ 85.038475] rebuild_sched_domains_locked+0x5a1/0xba0
[ 85.041030] ? down_write+0x38/0x70
[ 85.043283] ? cpumask_next+0x17/0x20
[ 85.045656] ? percpu_down_write+0xa3/0x100
[ 85.048027] rebuild_sched_domains+0x1b/0x30
[ 85.050432] cpuset_hotplug_workfn+0x74e/0x1310
[ 85.052972] ? process_one_work+0x1be/0x5f0
[ 85.055616] process_one_work+0x23e/0x5f0
[ 85.057954] ? worker_thread+0xce/0x390
[ 85.060290] worker_thread+0x3c/0x390
[ 85.062673] ? process_one_work+0x5f0/0x5f0
[ 85.065007] kthread+0x145/0x170
[ 85.067219] ? kthread_park+0x90/0x90
[ 85.069517] ret_from_fork+0x3a/0x50
[ 85.071998] BUG: using __this_cpu_write() in preemptible [00000000] code: kworker/0:2/144
[ 85.075495] caller is cpumask_any+0x4d/0x70
[ 85.078053] CPU: 1 PID: 144 Comm: kworker/0:2 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 85.081638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 85.085139] Workqueue: events cpuset_hotplug_workfn
[ 85.087972] Call Trace:
[ 85.090133] dump_stack+0x8f/0xcb
[ 85.092449] __this_cpu_preempt_check+0xaf/0xc0
[ 85.094945] cpumask_any+0x4d/0x70
[ 85.097255] partition_sched_domains_locked+0x152/0x500
[ 85.099968] rebuild_sched_domains_locked+0x5a1/0xba0
[ 85.102690] ? down_write+0x38/0x70
[ 85.104983] ? cpumask_next+0x17/0x20
[ 85.107318] ? percpu_down_write+0xa3/0x100
[ 85.109927] rebuild_sched_domains+0x1b/0x30
[ 85.112333] cpuset_hotplug_workfn+0x74e/0x1310
[ 85.114892] ? process_one_work+0x1be/0x5f0
[ 85.117334] process_one_work+0x23e/0x5f0
[ 85.119868] ? worker_thread+0xce/0x390
[ 85.122441] worker_thread+0x3c/0x390
[ 85.124850] ? process_one_work+0x5f0/0x5f0
[ 85.127409] kthread+0x145/0x170
[ 85.129521] ? kthread_park+0x90/0x90
[ 85.136185] ret_from_fork+0x3a/0x50
[ 88.041127] smpboot: Booting Node 0 Processor 0 APIC 0x0
[ 88.047260] kvm-clock: cpu 0, msr 23b401001, secondary cpu clock
[ 88.047315] masked ExtINT on CPU#0
[ 88.080615] KVM setup async PF for cpu 0
[ 88.083215] kvm-stealtime: cpu 0, msr 23fc30040
[ 91.122185] Unregister pv shared memory for cpu 0
[ 91.136805] smpboot: CPU 0 is now offline
[ 91.142632] BUG: using __this_cpu_read() in preemptible [00000000] code: kworker/0:2/144
[ 91.146321] caller is cpumask_any+0x14/0x70
[ 91.148857] CPU: 1 PID: 144 Comm: kworker/0:2 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 91.152441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 91.155959] Workqueue: events cpuset_hotplug_workfn
[ 91.158633] Call Trace:
[ 91.160515] dump_stack+0x8f/0xcb
[ 91.162804] __this_cpu_preempt_check+0xaf/0xc0
[ 91.165289] cpumask_any+0x14/0x70
[ 91.167414] partition_sched_domains_locked+0x152/0x500
[ 91.170239] rebuild_sched_domains_locked+0x5a1/0xba0
[ 91.172877] ? down_write+0x38/0x70
[ 91.175155] ? cpumask_next+0x17/0x20
[ 91.177550] ? percpu_down_write+0xa3/0x100
[ 91.179958] rebuild_sched_domains+0x1b/0x30
[ 91.182500] cpuset_hotplug_workfn+0x74e/0x1310
[ 91.185112] ? process_one_work+0x1be/0x5f0
[ 91.187582] process_one_work+0x23e/0x5f0
[ 91.190095] ? worker_thread+0xce/0x390
[ 91.192481] worker_thread+0x3c/0x390
[ 91.194906] ? process_one_work+0x5f0/0x5f0
[ 91.197369] kthread+0x145/0x170
[ 91.199452] ? kthread_park+0x90/0x90
[ 91.201615] ret_from_fork+0x3a/0x50
[ 91.203878] BUG: using __this_cpu_write() in preemptible [00000000] code: kworker/0:2/144
[ 91.207496] caller is cpumask_any+0x4d/0x70
[ 91.209991] CPU: 1 PID: 144 Comm: kworker/0:2 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 91.213556] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 91.216919] Workqueue: events cpuset_hotplug_workfn
[ 91.219450] Call Trace:
[ 91.221455] dump_stack+0x8f/0xcb
[ 91.223683] __this_cpu_preempt_check+0xaf/0xc0
[ 91.226348] cpumask_any+0x4d/0x70
[ 91.228592] partition_sched_domains_locked+0x152/0x500
[ 91.231337] rebuild_sched_domains_locked+0x5a1/0xba0
[ 91.234159] ? down_write+0x38/0x70
[ 91.236447] ? cpumask_next+0x17/0x20
[ 91.238827] ? percpu_down_write+0xa3/0x100
[ 91.241275] rebuild_sched_domains+0x1b/0x30
[ 91.248641] cpuset_hotplug_workfn+0x74e/0x1310
[ 91.251506] ? process_one_work+0x1be/0x5f0
[ 91.254775] process_one_work+0x23e/0x5f0
[ 91.257257] ? worker_thread+0xce/0x390
[ 91.259720] worker_thread+0x3c/0x390
[ 91.262119] ? process_one_work+0x5f0/0x5f0
[ 91.264523] kthread+0x145/0x170
[ 91.266890] ? kthread_park+0x90/0x90
[ 91.269381] ret_from_fork+0x3a/0x50
[ 94.185102] smpboot: Booting Node 0 Processor 0 APIC 0x0
[ 94.194225] kvm-clock: cpu 0, msr 23b401001, secondary cpu clock
[ 94.194284] masked ExtINT on CPU#0
[ 94.227621] KVM setup async PF for cpu 0
[ 94.230391] kvm-stealtime: cpu 0, msr 23fc30040
[ 97.267310] Unregister pv shared memory for cpu 0
[ 97.277923] smpboot: CPU 0 is now offline
[ 97.284802] BUG: using __this_cpu_read() in preemptible [00000000] code: kworker/0:2/144
[ 97.292569] caller is cpumask_any+0x14/0x70
[ 97.295186] CPU: 1 PID: 144 Comm: kworker/0:2 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 97.298722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 97.302094] Workqueue: events cpuset_hotplug_workfn
[ 97.304832] Call Trace:
[ 97.306912] dump_stack+0x8f/0xcb
[ 97.309299] __this_cpu_preempt_check+0xaf/0xc0
[ 97.311842] cpumask_any+0x14/0x70
[ 97.314204] partition_sched_domains_locked+0x152/0x500
[ 97.317091] rebuild_sched_domains_locked+0x5a1/0xba0
[ 97.319800] ? down_write+0x38/0x70
[ 97.322168] ? cpumask_next+0x17/0x20
[ 97.324453] ? percpu_down_write+0xa3/0x100
[ 97.326961] rebuild_sched_domains+0x1b/0x30
[ 97.329583] cpuset_hotplug_workfn+0x74e/0x1310
[ 97.332048] ? process_one_work+0x1be/0x5f0
[ 97.334608] process_one_work+0x23e/0x5f0
[ 97.336954] ? worker_thread+0xce/0x390
[ 97.339368] worker_thread+0x3c/0x390
[ 97.341637] ? process_one_work+0x5f0/0x5f0
[ 97.344033] kthread+0x145/0x170
[ 97.346210] ? kthread_park+0x90/0x90
[ 97.348454] ret_from_fork+0x3a/0x50
[ 97.350814] BUG: using __this_cpu_write() in preemptible [00000000] code: kworker/0:2/144
[ 97.354066] caller is cpumask_any+0x4d/0x70
[ 97.356562] CPU: 1 PID: 144 Comm: kworker/0:2 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 97.360002] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 97.363342] Workqueue: events cpuset_hotplug_workfn
[ 97.366045] Call Trace:
[ 97.368053] dump_stack+0x8f/0xcb
[ 97.370361] __this_cpu_preempt_check+0xaf/0xc0
[ 97.372869] cpumask_any+0x4d/0x70
[ 97.375182] partition_sched_domains_locked+0x152/0x500
[ 97.378070] rebuild_sched_domains_locked+0x5a1/0xba0
[ 97.380701] ? down_write+0x38/0x70
[ 97.383118] ? cpumask_next+0x17/0x20
[ 97.385516] ? percpu_down_write+0xa3/0x100
[ 97.387933] rebuild_sched_domains+0x1b/0x30
[ 97.390302] cpuset_hotplug_workfn+0x74e/0x1310
[ 97.392884] ? process_one_work+0x1be/0x5f0
[ 97.395551] process_one_work+0x23e/0x5f0
[ 97.397888] ? worker_thread+0xce/0x390
[ 97.400253] worker_thread+0x3c/0x390
[ 97.402490] ? process_one_work+0x5f0/0x5f0
[ 97.404993] kthread+0x145/0x170
[ 97.407242] ? kthread_park+0x90/0x90
[ 97.409554] ret_from_fork+0x3a/0x50
[ 99.106901] Writes: Total: 35434807 Max/Min: 0/0 Fail: 0
[ 109.353172] smpboot: Booting Node 0 Processor 0 APIC 0x0
[ 109.388740] kvm-clock: cpu 0, msr 23b401001, secondary cpu clock
[ 109.388796] masked ExtINT on CPU#0
[ 109.443615] KVM setup async PF for cpu 0
[ 109.446345] kvm-stealtime: cpu 0, msr 23fc30040
[ 112.508187] Unregister pv shared memory for cpu 0
[ 112.515229] smpboot: CPU 0 is now offline
[ 112.519948] BUG: using __this_cpu_read() in preemptible [00000000] code: kworker/0:2/144
[ 112.523383] caller is cpumask_any+0x14/0x70
[ 112.530155] CPU: 1 PID: 144 Comm: kworker/0:2 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 112.533776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 112.537314] Workqueue: events cpuset_hotplug_workfn
[ 112.539926] Call Trace:
[ 112.541903] dump_stack+0x8f/0xcb
[ 112.544231] __this_cpu_preempt_check+0xaf/0xc0
[ 112.547000] cpumask_any+0x14/0x70
[ 112.549359] partition_sched_domains_locked+0x152/0x500
[ 112.552141] rebuild_sched_domains_locked+0x5a1/0xba0
[ 112.554933] ? down_write+0x38/0x70
[ 112.557276] ? cpumask_next+0x17/0x20
[ 112.559628] ? percpu_down_write+0xa3/0x100
[ 112.562486] rebuild_sched_domains+0x1b/0x30
[ 112.565144] cpuset_hotplug_workfn+0x74e/0x1310
[ 112.567700] ? process_one_work+0x1be/0x5f0
[ 112.570089] process_one_work+0x23e/0x5f0
[ 112.572424] ? worker_thread+0xce/0x390
[ 112.574794] worker_thread+0x3c/0x390
[ 112.577083] ? process_one_work+0x5f0/0x5f0
[ 112.579431] kthread+0x145/0x170
[ 112.581443] ? kthread_park+0x90/0x90
[ 112.583466] ret_from_fork+0x3a/0x50
[ 112.585688] BUG: using __this_cpu_write() in preemptible [00000000] code: kworker/0:2/144
[ 112.588903] caller is cpumask_any+0x4d/0x70
[ 112.591186] CPU: 1 PID: 144 Comm: kworker/0:2 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 112.594570] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 112.597845] Workqueue: events cpuset_hotplug_workfn
[ 112.600392] Call Trace:
[ 112.602477] dump_stack+0x8f/0xcb
[ 112.604778] __this_cpu_preempt_check+0xaf/0xc0
[ 112.607346] cpumask_any+0x4d/0x70
[ 112.609670] partition_sched_domains_locked+0x152/0x500
[ 112.612419] rebuild_sched_domains_locked+0x5a1/0xba0
[ 112.615130] ? down_write+0x38/0x70
[ 112.617627] ? cpumask_next+0x17/0x20
[ 112.619936] ? percpu_down_write+0xa3/0x100
[ 112.622448] rebuild_sched_domains+0x1b/0x30
[ 112.624916] cpuset_hotplug_workfn+0x74e/0x1310
[ 112.627483] ? process_one_work+0x1be/0x5f0
[ 112.630192] process_one_work+0x23e/0x5f0
[ 112.632670] ? worker_thread+0xce/0x390
[ 112.634895] worker_thread+0x3c/0x390
[ 112.637239] ? process_one_work+0x5f0/0x5f0
[ 112.639832] kthread+0x145/0x170
[ 112.647876] ? kthread_park+0x90/0x90
[ 112.650142] ret_from_fork+0x3a/0x50
[ 115.561110] smpboot: Booting Node 0 Processor 0 APIC 0x0
[ 115.574240] kvm-clock: cpu 0, msr 23b401001, secondary cpu clock
[ 115.574300] masked ExtINT on CPU#0
[ 115.607548] KVM setup async PF for cpu 0
[ 115.610451] kvm-stealtime: cpu 0, msr 23fc30040
[ 118.648289] Unregister pv shared memory for cpu 1
[ 118.659140] smpboot: CPU 1 is now offline
[ 118.669405] BUG: using __this_cpu_read() in preemptible [00000000] code: kworker/1:2/167
[ 118.672719] caller is cpumask_any+0x14/0x70
[ 118.675145] CPU: 0 PID: 167 Comm: kworker/1:2 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 118.678321] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 118.681838] Workqueue: events cpuset_hotplug_workfn
[ 118.684491] Call Trace:
[ 118.686463] dump_stack+0x8f/0xcb
[ 118.688602] __this_cpu_preempt_check+0xaf/0xc0
[ 118.690971] cpumask_any+0x14/0x70
[ 118.693063] partition_sched_domains_locked+0x152/0x500
[ 118.695702] rebuild_sched_domains_locked+0x5a1/0xba0
[ 118.698322] ? down_write+0x38/0x70
[ 118.700546] ? cpumask_next+0x17/0x20
[ 118.702883] ? percpu_down_write+0xa3/0x100
[ 118.705310] rebuild_sched_domains+0x1b/0x30
[ 118.707662] cpuset_hotplug_workfn+0x74e/0x1310
[ 118.710009] ? process_one_work+0x1be/0x5f0
[ 118.712400] process_one_work+0x23e/0x5f0
[ 118.714585] ? worker_thread+0xce/0x390
[ 118.716965] worker_thread+0x3c/0x390
[ 118.719188] ? process_one_work+0x5f0/0x5f0
[ 118.721459] kthread+0x145/0x170
[ 118.723631] ? kthread_park+0x90/0x90
[ 118.726020] ret_from_fork+0x3a/0x50
[ 118.728511] BUG: using __this_cpu_write() in preemptible [00000000] code: kworker/1:2/167
[ 118.731747] caller is cpumask_any+0x4d/0x70
[ 118.734313] CPU: 0 PID: 167 Comm: kworker/1:2 Not tainted 5.6.0-rc4-00110-ga7934287d8a6c #2
[ 118.737683] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 118.740914] Workqueue: events cpuset_hotplug_workfn
[ 118.743399] Call Trace:
[ 118.745514] dump_stack+0x8f/0xcb
[ 118.747848] __this_cpu_preempt_check+0xaf/0xc0
[ 118.750522] cpumask_any+0x4d/0x70
[ 118.752752] partition_sched_domains_locked+0x152/0x500
[ 118.755264] rebuild_sched_domains_locked+0x5a1/0xba0
[ 118.757816] ? down_write+0x38/0x70
[ 118.760109] ? cpumask_next+0x17/0x20
[ 118.762669] ? percpu_down_write+0xa3/0x100
[ 118.765308] rebuild_sched_domains+0x1b/0x30
[ 118.767876] cpuset_hotplug_workfn+0x74e/0x1310
[ 118.770286] ? process_one_work+0x1be/0x5f0
[ 118.772723] process_one_work+0x23e/0x5f0
[ 118.775191] ? worker_thread+0xce/0x390
[ 118.777766] worker_thread+0x3c/0x390
[ 118.780116] ? process_one_work+0x5f0/0x5f0
[ 118.782612] kthread+0x145/0x170
[ 118.784938] ? kthread_park+0x90/0x90
[ 118.787058] ret_from_fork+0x3a/0x50
Elapsed time: 120
qemu-img create -f qcow2 disk-vm-snb-60-0 256G
qemu-img create -f qcow2 disk-vm-snb-60-1 256G
qemu-img create -f qcow2 disk-vm-snb-60-2 256G
qemu-img create -f qcow2 disk-vm-snb-60-3 256G
qemu-img create -f qcow2 disk-vm-snb-60-4 256G
qemu-img create -f qcow2 disk-vm-snb-60-5 256G
qemu-img create -f qcow2 disk-vm-snb-60-6 256G
kvm=(
qemu-system-x86_64
-enable-kvm
-cpu SandyBridge
-kernel $kernel
-initrd initrd-vm-snb-60.cgz
-m 8192
-smp 2
-device e1000,netdev=net0
-netdev user,id=net0,hostfwd=tcp::32032-:22
-boot order=nc
-no-reboot
-watchdog i6300esb
-watchdog-action debug
-rtc base=localtime
-drive file=disk-vm-snb-60-0,media=disk,if=virtio
-drive file=disk-vm-snb-60-1,media=disk,if=virtio
-drive file=disk-vm-snb-60-2,media=disk,if=virtio
-drive file=disk-vm-snb-60-3,media=disk,if=virtio
-drive file=disk-vm-snb-60-4,media=disk,if=virtio
-drive file=disk-vm-snb-60-5,media=disk,if=virtio
-drive file=disk-vm-snb-60-6,media=disk,if=virtio
-serial stdio
-display none
-monitor null
)
append=(
ip=::::vm-snb-60::dhcp
root=/dev/ram0
user=lkp
job=/job-script
ARCH=x86_64
kconfig=x86_64-rhel-7.6-kselftests
branch=linux-devel/devel-hourly-2020041507
commit=a7934287d8a6c43811fca8ddf421b3b6091564f2
BOOT_IMAGE=/pkg/linux/x86_64-rhel-7.6-kselftests/gcc-7/a7934287d8a6c43811fca8ddf421b3b6091564f2/vmlinuz-5.6.0-rc4-00110-ga7934287d8a6c
max_uptime=1500
RESULT_ROOT=/result/locktorture/300s-cpuhotplug/vm-snb/yocto-i386-minimal-20190520.cgz/x86_64-rhel-7.6-kselftests/gcc-7/a7934287d8a6c43811fca8ddf421b3b6091564f2/3
result_service=tmpfs
selinux=0
debug
apic=debug
sysrq_always_enabled
rcupdate.rcu_cpu_stall_timeout=100
net.ifnames=0
printk.devkmsg=on
panic=-1
softlockup_panic=1
nmi_watchdog=panic
oops=panic
load_ramdisk=2
prompt_ramdisk=0
drbd.minor_count=8
systemd.log_level=err
ignore_loglevel
console=tty0
earlyprintk=ttyS0,115200
console=ttyS0,115200
vga=normal
rw
rcuperf.shutdown=0
watchdog_thresh=60
)
"${kvm[@]}" -append "${append[*]}"
To reproduce:
# build kernel
cd linux
cp config-5.6.0-rc4-00110-ga7934287d8a6c .config
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
cd <mod-install-dir>
find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email
Thanks,
Rong Chen
View attachment "config-5.6.0-rc4-00110-ga7934287d8a6c" of type "text/plain" (203858 bytes)
View attachment "job-script" of type "text/plain" (4421 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (15948 bytes)
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