2022-03-03 00:26:00

by Naresh Kamboju

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

[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 <[email protected]>

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


2022-03-03 00:35:32

by Suzuki K Poulose

[permalink] [raw]
Subject: Re: [next] Internal error: aarch64 BRK: f20003e8 at pc : has_cpuid_feature


Hi Naresh

On 02/03/2022 21:15, Naresh Kamboju wrote:
> [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.

This should be fixed by :

https://lkml.kernel.org/r/[email protected]

Cheers
Suzuki


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