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Subject[next] WARNING: CPU: 0 PID: 0 at kernel/sched/core.c:9469 sched_init
[ Please ignore this email if it is already reported ]

While booting Linux next 20211221 on x86_64, i386, arm and arm64.
the following kernel crash reported.

kernel warning while booting.

Starting kernel ...
[ 0.000000] Linux version 5.16.0-rc6-next-20211221
(tuxmake@tuxmake) (x86_64-linux-gnu-gcc (Debian 11.2.0-10) 11.2.0, GNU
ld (GNU Binutils for Debian) 2.37) #1 SMP PREEMPT @1640092006
<trim>
[ 0.106683] ------------[ cut here ]------------
[ 0.106684] WARNING: CPU: 0 PID: 0 at kernel/sched/core.c:9469
sched_init+0x417/0x534
[ 0.106689] Modules linked in:
[ 0.106692] CPU: 0 PID: 0 Comm: swapper Not tainted
5.16.0-rc6-next-20211221 #1
[ 0.106694] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.5 11/26/2020
[ 0.106696] RIP: 0010:sched_init+0x417/0x534
[ 0.106698] Code: ff 05 69 0d e1 ff 65 4c 8b 24 25 40 ad 01 00 48
c7 c7 00 a9 37 a0 4c 89 e6 e8 d1 ed f8 fd 4c 89 e7 e8 f9 ba 07 fe 84
c0 74 02 <0f> 0b e8 5e 12 ea fe 31 db 45 31 ed 49 c7 c4 40 9d 02 00 89
c6 65
[ 0.106700] RSP: 0000:ffffffffa0203ea0 EFLAGS: 00010002
[ 0.106702] RAX: 0000000000000001 RBX: ffff944aa7ba9d40 RCX: 0000000000000001
[ 0.106703] RDX: ffffffffa0700160 RSI: ffffffff9fe13fc0 RDI: ffff94474007c028
[ 0.106704] RBP: ffffffffa0203ec8 R08: 0000000000000080 R09: 0000000000000000
[ 0.106706] R10: ffff94474007c000 R11: 00000000000273c0 R12: ffffffffa0218940
[ 0.106707] R13: 0000000000000000 R14: 0000000000029d40 R15: ffff944aa7ba9e40
[ 0.106708] FS: 0000000000000000(0000) GS:ffff944aa7a00000(0000)
knlGS:0000000000000000
[ 0.106710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.106711] CR2: ffff9447d3201000 CR3: 0000000192c10001 CR4: 00000000000606b0
[ 0.106712] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 0.106713] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 0.106714] Call Trace:
[ 0.106716] <TASK>
[ 0.106718] start_kernel+0x3e0/0x695
[ 0.106722] x86_64_start_reservations+0x24/0x26
[ 0.106724] x86_64_start_kernel+0xa0/0xa6
[ 0.106727] secondary_startup_64_no_verify+0xd5/0xdb
[ 0.106730] </TASK>
[ 0.106731] ---[ end trace 0000000000000000 ]---
[ 0.107612] Dynamic Preempt: voluntary
[ 0.107632] rcu: Preemptible hierarchical RCU implementation.
[ 0.107633] rcu: RCU event tracing is enabled.
[ 0.107634] rcu: RCU restricting CPUs from N#
R_CPUS=64 to nr_cpu_ids=4.
[ 0.107636] Trampoline variant of Tasks RCU enabled.
[ 0.107636] Rude variant of Tasks RCU enabled.
[ 0.107637] rcu: RCU calculated value of scheduler-enlistment delay
is 100 jiffies.
[ 0.107638] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
[ 0.108792] NR_IRQS: 4352, nr_irqs: 456, preallocated irqs: 16
[ 0.109168] kfence: initialized - using 2097152 bytes for 255
objects at 0x(____ptrval____)-0x(____ptrval____)

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Test log link,
https://qa-reports.linaro.org/lkft/linux-next-master-sanity/build/next-20211221/testrun/6972816/suite/linux-log-parser/test/check-kernel-warning-4190375/log
https://lkft.validation.linaro.org/scheduler/job/4190375#L475

metadata:
---------
git branch: master
git repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
git commit: 2850c2311ef4bf30ae8dd8927f0f66b026ff08fb
git describe: next-20211221
make_kernelversion: 5.16.0-rc6
kernel-config: https://builds.tuxbuild.com/22b2KawnzAREmulZd4tc18MxX1C/config

--
Linaro LKFT
https://lkft.linaro.org

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