[aarch64] [ampere] [6.0.0] pc : kset_find_obj+0x38/0xb0 lr : kset_find_obj+0x48/0xb0

[Bruno Goncalves]

Hello,

We are hitting a panic when booting on ampere, more specifically on
hr330a and hr350a machines.

[    3.803924] xor: measuring software checksum speed
[    3.809489]    8regs           : 12524 MB/sec
[    3.814622]    32regs          : 12512 MB/sec
[    3.820179]    arm64_neon      :  8109 MB/sec
[    3.824525] xor: using function: 8regs (12524 MB/sec)
[    3.829565] Key type asymmetric registered
[    3.833655] Asymmetric key parser 'x509' registered
[    4.072910] Freeing initrd memory: 20772K
[    4.083936] alg: self-tests for CTR-KDF (hmac(sha256)) passed
[    4.089699] Block layer SCSI generic (bsg) driver version 0.4
loaded (major 244)
[    4.097203] io scheduler mq-deadline registered
[    4.101732] io scheduler kyber registered
[    4.105809] io scheduler bfq registered
[    4.112468] atomic64_test: passed
[    4.117903] Unable to handle kernel paging request at virtual
address fffffffffffffff8
[    4.125820] Mem abort info:
[    4.128600]   ESR = 0x0000000096000004
[    4.132339]   EC = 0x25: DABT (current EL), IL = 32 bits
[    4.137638]   SET = 0, FnV = 0
[    4.140680]   EA = 0, S1PTW = 0
[    4.143810]   FSC = 0x04: level 0 translation fault
[    4.148674] Data abort info:
[    4.151546]   ISV = 0, ISS = 0x00000004
[    4.155369]   CM = 0, WnR = 0
[    4.158324] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000009f81788000
[    4.165014] [fffffffffffffff8] pgd=0000000000000000, p4d=0000000000000000
[    4.171795] Internal error: Oops: 96000004 [#1] SMP
[    4.176661] Modules linked in:
[    4.179704] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 6.0.0 #1
[    4.185524] Hardware name: Lenovo HR330A            7X33CTO1WW
/FALCON     , BIOS hve104r-1.15 02/26/2021
[    4.195336] pstate: a0400005 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    4.202285] pc : kset_find_obj+0x38/0xb0
[    4.206200] lr : kset_find_obj+0x48/0xb0
[    4.210110] sp : ffff80000b80bcf0
[    4.213412] x29: ffff80000b80bcf0 x28: 0000000000000000 x27: ffff800009f9044c
[    4.220536] x26: ffff80000a046960 x25: 0000000000000006 x24: ffff80000a14520c
[    4.227660] x23: ffff8000099a3370 x22: ffff000801230d90 x21: ffff8000097bb348
[    4.234783] x20: ffff000801230d80 x19: fffffffffffffff8 x18: ffffffffffffffff
[    4.241907] x17: 0000000054138b3b x16: 00000000ba80c402 x15: ffff80000b80bb48
[    4.249030] x14: ffff000806403a1c x13: ffff000806403262 x12: 0000000000000001
[    4.256154] x11: 000000003985e44f x10: 0000000000011078 x9 : 0000000000000003
[    4.263277] x8 : 0101010101010101 x7 : 0000000000000000 x6 : 101100461d194e01
[    4.270401] x5 : 014e191d46001110 x4 : 0000000000000000 x3 : 1b2373996b831b48
[    4.277525] x2 : 0000000000000000 x1 : ffff8000097bb348 x0 : 0000000000000000
[    4.284648] Call trace:
[    4.287081]  kset_find_obj+0x38/0xb0
[    4.290645]  driver_register+0x64/0x13c
[    4.294471]  __platform_driver_register+0x30/0x3c
[    4.299162]  cdns_plat_pcie_driver_init+0x24/0x30
[    4.303856]  do_one_initcall+0x50/0x28c
[    4.307681]  do_initcalls+0x104/0x144
[    4.311332]  kernel_init_freeable+0x16c/0x1b8
[    4.315676]  kernel_init+0x2c/0x150
[    4.319154]  ret_from_fork+0x10/0x20
[    4.322719] Code: f9400280 eb00029f 54000160 d1002013 (f9400260)
[    4.328799] ---[ end trace 0000000000000000 ]---
[    4.333403] Kernel panic - not syncing: Oops: Fatal exception
[    4.339136] SMP: stopping secondary CPUs
[    4.343054] Kernel Offset: 0x40000 from 0xffff800008000000
[    4.348525] PHYS_OFFSET: 0x80000000
[    4.352000] CPU features: 0x0000,00045021,00001086
[    4.356778] Memory Limit: none
[    4.359820] ---[ end Kernel panic - not syncing: Oops: Fatal exception ]---

full console log:
https://s3.us-east-1.amazonaws.com/arr-cki-prod-datawarehouse-public/datawarehouse-public/2022/10/05/redhat:659318872/build_aarch64_redhat:659318872_aarch64/tests/3/results_0001/console.log/console.log

more logs:https://datawarehouse.cki-project.org/kcidb/tests/5390369
cki issue tracker: https://datawarehouse.cki-project.org/issue/1637

kernel config: https://s3.amazonaws.com/arr-cki-prod-trusted-artifacts/trusted-artifacts/659318872/build%20aarch64/3132390378/artifacts/kernel-mainline.kernel.org-redhat_659318872_aarch64.config
kernel tarball:
https://s3.amazonaws.com/arr-cki-prod-trusted-artifacts/trusted-artifacts/659318872/publish%20aarch64/3132390386/artifacts/kernel-mainline.kernel.org-redhat_659318872_aarch64.tar.gz

Thanks,
Bruno