[next] Internal error: aarch64 BRK: f20003e8 at pc : has_cpuid_feature

From: Naresh Kamboju <naresh.kamboju@linaro.org>
To: Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux-Next Mailing List <linux-next@vger.kernel.org>,
	"open list:KERNEL SELFTEST FRAMEWORK" 
	<linux-kselftest@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	Freescale Mailman List <freescale@lists.linaro.org>
Cc: Mark Brown <broonie@kernel.org>,
	Shuah Khan <skhan@linuxfoundation.org>,
	Marc Zyngier <maz@kernel.org>,
	Basant Kumar Dwivedi <Basant.KumarDwivedi@arm.com>,
	Will Deacon <will@kernel.org>,
	Luis Machado <luis.machado@arm.com>,
	Szabolcs Nagy <szabolcs.nagy@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Alan Hayward <alan.hayward@arm.com>,
	Salil Akerkar <Salil.Akerkar@arm.com>,
	Shuah Khan <shuah@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	Qian Cai <quic_qiancai@quicinc.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>
Subject: [next] Internal error: aarch64 BRK: f20003e8 at pc : has_cpuid_feature
Date: Thu, 3 Mar 2022 02:45:43 +0530	[thread overview]
Message-ID: <CA+G9fYuX3nM5y_VD_0menGTF0AqDOZ85=ptmQ_3XoPAAxYMWyQ@mail.gmail.com> (raw)

[Please ignore this email if it is already reported]

Linux next-20220228..next-20220302 running on Freescale Layerscape 2088A RDB
board the following kernel crash reported [1].

This kernel crash is only seen with kselftest-merge configs.

metadata:
  git_ref: master
  git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
  git_sha: 6705cd745adbbeac6b13002c7a30060f7b2568a5
  git_describe: next-20220228..next-20220302
  kernel-config: https://builds.tuxbuild.com/25kHVbzi7zV3Pzb1i4scZwtXzeA/config
  device: Freescale Layerscape 2088A RDB Board

Kernel crash:
[    0.000000] Detected PIPT I-cache on CPU0
[    0.000000] Internal error: aarch64 BRK: f20003e8 [#1] PREEMPT SMP
[    0.000000] Modules linked in:
[    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted
5.17.0-rc6-next-20220228 #1
[    0.000000] Hardware name: Freescale Layerscape 2088A RDB Board (DT)
[    0.000000] pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    0.000000] pc : has_cpuid_feature+0x104/0x10c
[    0.000000] lr : has_cpuid_feature+0x58/0x10c
[    0.000000] sp : ffffb7b2bf6b3d00
[    0.000000] x29: ffffb7b2bf6b3d00 x28: ffffb7b2be085690 x27: 0000000000000018
[    0.000000] x26: ffffb7b2be874e48 x25: ffffb7b2be874e70 x24: ffffb7b2beabc238
[    0.000000] x23: 0000000000000005 x22: ffffb7b2bfc05be0 x21: ffffb7b2bfc05728
[    0.000000] x20: 0000000000000020 x19: ffffb7b2be084950 x18: 0000000000000000
[    0.000000] x17: 6666666666663733 x16: 000000000001f000 x15: 0126000040000000
[    0.000000] x14: 1020110500000000 x13: 0000000002102211 x12: 0126000040000000
[    0.000000] x11: 0000000000000000 x10: 0000000000000043 x9 : 1211111110110222
[    0.000000] x8 : 0000000010011011 x7 : 0000013100000000 x6 : 0000000002102211
[    0.000000] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
[    0.000000] x2 : 0000000000000028 x1 : 0000000000000040 x0 : 0022220000000000
[    0.000000] Call trace:
[    0.000000]  has_cpuid_feature+0x104/0x10c
[    0.000000]  has_useable_gicv3_cpuif+0x24/0x94
[    0.000000]  update_cpu_capabilities+0x90/0x144
[    0.000000]  init_cpu_features+0x28c/0x2b4
[    0.000000]  cpuinfo_store_boot_cpu+0x58/0x68
[    0.000000]  smp_prepare_boot_cpu+0x4c/0x60
[    0.000000]  start_kernel+0x20c/0x77c
[    0.000000]  __primary_switched+0xc0/0xc8
[    0.000000] Code: b9402260 17ffffd7 d2800000 17ffffd6 (d4207d00)
[    0.000000] ---[ end trace 0000000000000000 ]---
[    0.000000] Kernel panic - not syncing: Attempted to kill the idle task!

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

--
Linaro LKFT
https://lkft.linaro.org
[1] https://lavalab.nxp.com/scheduler/job/851695#L565
[2] https://lavalab.nxp.com/scheduler/job/853258#L695