[1516299.566982] ACPI CPPC: PCC check channel failed for ss: 0. ret=-110
[1516299.582325] ACPI CPPC: PCC check channel failed for ss: 0. ret=-110
[1516299.601741] ACPI CPPC: PCC check channel failed for ss: 0. ret=-110
[1516299.606825] Unable to handle kernel paging request at virtual address 
ffff800011691ab0
[1516299.609605] ACPI CPPC: PCC check channel failed for ss: 0. ret=-110
[1516299.612022] Unhandled fault at 0xffff80000944d9d0
[1516299.612031] Mem abort info:
[1516299.612034]   ESR = 0x86000030
[1516299.612037]   EC = 0x21: IABT (current EL), IL = 32 bits
[1516299.612042]   SET = 0, FnV = 0
[1516299.612044]   EA = 0, S1PTW = 0
[1516299.612047] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000014ac000
[1516299.612049] [ffff80000944d9d0] pgd=00002027fffff003, pud=00002027ffffe003, 
pmd=00000027d1ed3003, pte=ffffffffffffffff
[1516299.612055] Internal error: TLB conflict abort: 86000030 [#1] SMP
[1516299.612057] Modules linked in: binfmt_misc xt_MASQUERADE iptable_nat 
nf_nat xt_tcpudp xt_multiport xt_conntrack nf_conntrack nf_defrag_ipv6 
nf_defrag_ipv4 iptable_filter bpfilter rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs 
lockd grace fscache bonding nls_iso8859_1 ipmi_ssif input_leds joydev 
hns_roce_hw_v2 hisi_dma spi_dw_mmio ipmi_si spi_dw ipmi_devintf ipmi_msghandler 
cppc_cpufreq sch_fq_codel ib_iser sunrpc rdma_cm iw_cm ib_cm iscsi_tcp 
libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs 
zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor 
async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 multipath linear mlx5_ib 
ses enclosure ib_uverbs ib_core realtek hibmc_drm drm_vram_helper ttm 
hid_generic drm_kms_helper syscopyarea crct10dif_ce sysfillrect ghash_ce 
hisi_sas_v3_hw sha2_ce mlx5_core sysimgblt sha256_arm64 hns3 hisi_sas_main 
fb_sys_fops sha1_ce hclge libsas usbhid tls drm hid hnae3 megaraid_sas ahci 
scsi_transport_sas mlxfw gpio_dwapb
[1516299.612109]  aes_neon_bs aes_neon_blk aes_ce_blk crypto_simd cryptd 
aes_ce_cipher
[1516299.612116] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 5.4.0-47-generic 
#51~18.04.1-Ubuntu
[1516299.612117] Hardware name: [About Privacy Deleted], BIOS 1.39 06/11/2020
[1516299.612118] pstate: 80400009 (Nzcv daif +PAN -UAO)
[1516299.612172] pc : mlx5e_features_check+0x0/0x490 [mlx5_core]
[1516299.612178] lr : netif_skb_features+0xfc/0x248
[1516299.612179] sp : ffff80001001b140
[1516299.612180] x29: ffff80001001b140 x28: 00000000001745f4 
[1516299.612181] x27: ffff0027b157faac x26: 0000000000000000 
[1516299.612183] x25: 0000000000000001 x24: ffff80001001b253 
[1516299.612185] x23: ffff0027b4b80000 x22: ffff0027b4b80000 
[1516299.612186] x21: ffff800011b78000 x20: ffff0027cea31c00 
[1516299.612187] x19: 000850c21cd14ba9 x18: ffff800011254420 
[1516299.612189] x17: 0000000000000000 x16: 0000000000000000 
[1516299.612190] x15: 0000000000000001 x14: ffffffffffffc178 
[1516299.612192] x13: ffffffffffffe238 x12: 00000000088002c8 
[1516299.612193] x11: ffff0027756dbe70 x10: 0000000000000070 
[1516299.612195] x9 : 0000000000000001 x8 : 0000000000000001 
[1516299.612196] x7 : 00000000f6576c61 x6 : 00000000354623ec 
[1516299.612198] x5 : 0000000000000001 x4 : 0000000000000000 
[1516299.612199] x3 : ffff80000944d9d0 x2 : 000850c21cd14ba9 
[1516299.612201] x1 : ffff0027b4b80000 x0 : ffff0027cea31c00 
[1516299.612202] Call trace:
[1516299.612239]  mlx5e_features_check+0x0/0x490 [mlx5_core]
[1516299.612241]  validate_xmit_skb+0x2c/0x2f8
[1516299.612242]  validate_xmit_skb_list+0x50/0xb0
[1516299.612245]  sch_direct_xmit+0xfc/0x528
[1516299.612246]  __dev_queue_xmit+0x818/0x890
[1516299.612248]  dev_queue_xmit+0x24/0x30
[1516299.612257]  bond_dev_queue_xmit+0x44/0x98 [bonding]
[1516299.612264]  bond_do_alb_xmit+0xcc/0x1b0 [bonding]
[1516299.612270]  bond_alb_xmit+0xd0/0x660 [bonding]
[1516299.612275]  bond_start_xmit+0x154/0x4f8 [bonding]
[1516299.612277]  dev_hard_start_xmit+0xb4/0x268
[1516299.612278]  __dev_queue_xmit+0x740/0x890
[1516299.612280]  dev_queue_xmit+0x24/0x30
[1516299.612282]  ip_finish_output2+0x31c/0x570
[1516299.612284]  __ip_finish_output+0x128/0x200
[1516299.612285]  ip_finish_output+0x38/0xd0
[1516299.612287]  ip_output+0xb0/0x130
[1516299.612288]  ip_local_out+0x58/0x68
[1516299.612290]  __ip_queue_xmit+0x12c/0x368
[1516299.612294]  ip_queue_xmit+0x10/0x18
[1516299.612295]  __tcp_transmit_skb+0x4cc/0xa58
[1516299.612297]  __tcp_send_ack.part.47+0xb0/0x128
[1516299.612299]  tcp_send_ack+0x34/0x40
[1516299.612300]  __tcp_ack_snd_check+0x50/0x1b8
[1516299.612302]  tcp_rcv_established+0x338/0x6a0
[1516299.612304]  tcp_v4_do_rcv+0x94/0x208
[1516299.612306]  tcp_v4_rcv+0xa50/0xba8
[1516299.612307]  ip_protocol_deliver_rcu+0x44/0x200
[1516299.612308]  ip_local_deliver_finish+0x64/0x78
[1516299.612310]  ip_local_deliver+0x90/0x108
[1516299.612311]  ip_sublist_rcv_finish+0x5c/0x88
[1516299.612312]  ip_sublist_rcv+0x1d0/0x260
[1516299.612314]  ip_list_rcv+0x110/0x1b8
[1516299.612315]  __netif_receive_skb_list_core+0x140/0x258
[1516299.612317]  netif_receive_skb_list_internal+0x1f0/0x2d8
[1516299.612319]  gro_normal_list.part.137+0x24/0x40
[1516299.612320]  napi_complete_done+0x11c/0x1b0
[1516299.612356]  mlx5e_napi_poll+0x1cc/0x670 [mlx5_core]
[1516299.612358]  net_rx_action+0x170/0x460
[1516299.612360]  __do_softirq+0x11c/0x350
[1516299.612362]  irq_exit+0xc0/0xc8
[1516299.612365]  __handle_domain_irq+0x6c/0xc0
[1516299.612366]  gic_handle_irq+0xec/0x2c4
[1516299.612367]  el1_irq+0x104/0x1c0
[1516299.612370]  arch_cpu_idle+0x34/0x1c0
[1516299.612372]  default_idle_call+0x24/0x60
[1516299.612373]  do_idle+0x1d8/0x2b8
[1516299.612375]  cpu_startup_entry+0x28/0xb0
[1516299.612378]  secondary_start_kernel+0x180/0x270
[1516299.612379] Unhandled fault at 0xffff80000944d9c0
[1516299.612380] Mem abort info:
[1516299.612380]   ESR = 0x96000030
[1516299.612381]   EC = 0x25: DABT (current EL), IL = 32 bits
[1516299.612383]   SET = 0, FnV = 0
[1516299.612383]   EA = 0, S1PTW = 0
[1516299.612384] Data abort info:
[1516299.612385]   ISV = 0, ISS = 0x00000030
[1516299.612385]   CM = 0, WnR = 0
[1516299.612386] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000014ac000
[1516299.612387] [ffff80000944d9c0] pgd=00002027fffff003, pud=00002027ffffe003, 
pmd=00000027d1ed3003, pte=ffffffffffffffff
[1516299.615398] Unhandled fault at 0xffff80000944d9d0
[1516299.615399] Mem abort info:
[1516299.615400]   ESR = 0x86000030
[1516299.615402]   EC = 0x21: IABT (current EL), IL = 32 bits
[1516299.615403]   SET = 0, FnV = 0
[1516299.615403]   EA = 0, S1PTW = 0
[1516299.615405] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000014ac000
[1516299.615406] [ffff80000944d9d0] pgd=00002027fffff003, pud=00002027ffffe003, 
pmd=00000027d1ed3003, pte=ffffffffffffffff
[1516299.616208] Mem abort info:
[1516299.616209]   ESR = 0x96000046
[1516299.616210]   EC = 0x25: DABT (current EL), IL = 32 bits
[1516299.616211]   SET = 0, FnV = 0
[1516299.616212]   EA = 0, S1PTW = 0
[1516299.616212] Data abort info:
[1516299.616213]   ISV = 0, ISS = 0x00000046
[1516299.616214]   CM = 0, WnR = 1
[1516299.616215] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000014ac000
[1516299.616216] [ffff800011691ab0] pgd=00002027fffff003, pud=00002027ffffe003, 
pmd=0000000000000000
[1516299.618735] Kernel panic - not syncing: corrupted stack end detected 
inside scheduler
[1516299.618763] SMP: stopping secondary CPUs
[1516300.663728] SMP: failed to stop secondary CPUs 2-3,6-7
[1516300.669024] Kernel Offset: disabled
[1516300.672671] CPU features: 0x0002,22208a38
[1516300.676834] Memory Limit: none
[1516300.680057] ---[ end Kernel panic - not syncing: corrupted stack end 
detected inside scheduler



Hi Ike Panhc,
While I check our history, I can reproduce this issue without any out-of-tree 
module. Therefore, this bug may more likely relates to kernel 5.4.0-47-generic

** Changed in: kunpeng920
       Status: Invalid => In Progress

** Changed in: linux (Ubuntu)
       Status: Invalid => In Progress

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Title:
  Kernel panic on Bionic 5.4.0-47-generic

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