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Message-ID: <CA+G9fYuVJ3DfmOR2GxbVmLqh_d=3y_wTXX-vQOUgp86uX-3oGg@mail.gmail.com>
Date: Tue, 13 Feb 2024 23:51:23 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: Linux ARM <linux-arm-kernel@...ts.infradead.org>,
Linux Regressions <regressions@...ts.linux.dev>, open list <linux-kernel@...r.kernel.org>,
lkft-triage@...ts.linaro.org
Cc: Suzuki K Poulose <suzuki.poulose@....com>, Marc Zyngier <maz@...nel.org>,
Marek Szyprowski <m.szyprowski@...sung.com>, Catalin Marinas <catalin.marinas@....com>
Subject: WARNING: arch/arm64/kernel/cpufeature.c:3369 this_cpu_has_cap
Following kernel warning notices on all arm64 devices on today's Linux
next-20240213 tag.
Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
[ 0.038524] SMP: Total of 6 processors activated.
[ 0.038539] CPU: All CPU(s) started at EL2
[ 0.038588] CPU features: detected: 32-bit EL0 Support
[ 0.038602] CPU features: detected: 32-bit EL1 Support
[ 0.038620] CPU features: detected: CRC32 instructions
[ 0.038650] ------------[ cut here ]------------
[ 0.038656] WARNING: CPU: 0 PID: 1 at
arch/arm64/kernel/cpufeature.c:3369 this_cpu_has_cap+0x1c/0x70
[ 0.038691] Modules linked in:
[ 0.038707] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
6.8.0-rc4-next-20240213 #1
[ 0.038721] Hardware name: Radxa ROCK Pi 4B (DT)
[ 0.038729] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 0.038744] pc : this_cpu_has_cap+0x1c/0x70
[ 0.038761] lr : has_nv1+0x28/0xe8
.
[ 0.039008] Call trace:
[ 0.039014] this_cpu_has_cap+0x1c/0x70
[ 0.039031] update_cpu_capabilities+0xd4/0x138
[ 0.039048] setup_system_features+0x38/0x130
[ 0.039075] smp_cpus_done+0x50/0xc8
[ 0.039094] smp_init+0x84/0xa0
[ 0.039109] kernel_init_freeable+0x11c/0x400
[ 0.039126] kernel_init+0x28/0x1f0
[ 0.039148] ret_from_fork+0x10/0x20
[ 0.039167] ---[ end trace 0000000000000000 ]---
Links:
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240213/testrun/22596318/suite/log-parser-boot/test/check-kernel-exception/log
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240213/testrun/22596318/suite/log-parser-boot/tests/
This issue has been addressed in the relevant email thread,
https://lore.kernel.org/all/0593516b-2419-49b7-83aa-fe189ffad0c2@arm.com/
I will test the corresponding fix patch and get back to you.
--
Linaro LKFT
https://lkft.linaro.org
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