Public bug reported:
Series: Focal
Kernel: 5.4.0-11.14
Problem: Kernel Fails to boot on arm64 hardware.
During preliminary the following failure was observed in a VM after the
-proposed kernel was installed from ppa:canonical-kernel-team/proposed
autopkgtest login: [ 44.923688] kernel BUG at arch/arm64/kernel/traps.c:406!
[ 44.925735] Internal error: Oops - BUG: 0 [#1] SMP
[ 44.927059] Modules linked in: iptable_mangle xt_TCPMSS xt_tcpudp bpfilter
dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua crct10dif_ce ofpart redboot
cmdlinepart cfi_cmdset_0001 cfi_probe cfi_util gen_probe physmap qemu_fw_cfg
uio_pdrv_genirq uio map_funcs chipreg mtd sch_fq_codel ip_tables x_tables
autofs4 btrfs blake2b_generic xor xor_neon zstd_compress raid6_pq libcrc32c
virtio_net net_failover virtio_blk failover
[ 44.943611] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.5.0-4-snapdragon
#5-Ubuntu
[ 44.948138] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
[ 44.951579] pstate: 00400005 (nzcv daif +PAN -UAO)
[ 44.953905] pc : do_undefinstr+0x60/0x68
[ 44.955836] lr : do_undefinstr+0x34/0x68
[ 44.957695] sp : ffff800010013550
[ 44.959644] x29: ffff800010013550 x28: ffff0001fd173c00
[ 44.962107] x27: 0000000000000000 x26: 00000000c642935b
[ 44.964652] x25: 0000000000000000 x24: ffff80001001379c
[ 44.966750] x23: 0000000080400005 x22: ffff800010cdc2f8
[ 44.968930] x21: 0000000041573000 x20: 0000ffffffffffff
[ 44.970885] x19: ffff800010013580 x18: 0000000000001400
[ 44.973300] x17: 0000000000001c00 x16: 0000000000001000
[ 44.975899] x15: 0000000000000c00 x14: 0000000000000000
[ 44.978497] x13: 00000000000001d8 x12: ffff0001ec755428
[ 44.981178] x11: 0000503e00002aa6 x10: 0000000000000000
[ 44.983809] x9 : ffff80001036b4d0 x8 : 0000000000000000
[ 44.986435] x7 : ffff0001fd174128 x6 : ffff800010013548
[ 44.988607] x5 : 0000000000000000 x4 : ffff800011f5e100
[ 44.990548] x3 : ffff800011cf5f10 x2 : db67b15ed7685100
[ 44.992687] x1 : 0000000000000000 x0 : 0000000080400005
[ 44.994456] Call trace:
[ 44.995286] do_undefinstr+0x60/0x68
[ 44.996622] el1_sync_handler+0x8c/0xd8
[ 44.998434] el1_sync+0xb4/0x180
[ 44.999604] e843419@0b9d_0001182e_66f8+0x0/0xff8
[ 45.001407] tcp_ack+0x428/0x940
[ 45.002578] tcp_rcv_established+0x174/0x6b0
[ 45.003984] tcp_v4_do_rcv+0x168/0x250
[ 45.005235] tcp_v4_rcv+0xb9c/0xd08
[ 45.006437] ip_protocol_deliver_rcu+0x44/0x200
[ 45.008109] ip_local_deliver_finish+0x54/0x68
[ 45.009492] ip_local_deliver+0x104/0x110
[ 45.010596] ip_sublist_rcv_finish+0x48/0x68
[ 45.011732] ip_sublist_rcv+0x174/0x1e8
[ 45.012707] ip_list_rcv+0x108/0x168
[ 45.013561] __netif_receive_skb_list_core+0x18c/0x220
[ 45.014832] netif_receive_skb_list_internal+0x194/0x2a0
[ 45.016207] gro_normal_list.part.0+0x24/0x40
[ 45.017548] napi_gro_receive+0x1bc/0x1d8
[ 45.018773] receive_buf+0x1d4/0x498 [virtio_net]
[ 45.019967] virtnet_poll+0x168/0x6f8 [virtio_net]
[ 45.021161] net_rx_action+0x178/0x460
[ 45.022087] __do_softirq+0x130/0x32c
[ 45.023019] irq_exit+0xa0/0xc8
[ 45.023796] __handle_domain_irq+0x6c/0xc0
[ 45.024805] gic_handle_irq+0x58/0xa8
[ 45.025692] el1_irq+0x104/0x1c0
[ 45.026488] arch_cpu_idle+0x38/0x1c8
[ 45.027412] default_idle_call+0x20/0x40
[ 45.028361] do_idle+0x20c/0x2b0
[ 45.029184] cpu_startup_entry+0x28/0x68
[ 45.030146] secondary_start_kernel+0x154/0x1e0
[ 45.031275] Code: 97ffffb6 f9400bf3 a8c27bfd d65f03c0 (d4210000)
[ 45.032751] ---[ end trace b0983b157b7a3c23 ]---
[ 45.033868] Kernel panic - not syncing: Fatal exception in interrupt
[ 45.035609] SMP: stopping secondary CPUs
[ 45.036876] Kernel Offset: disabled
[ 45.037966] CPU features: 0x00000,20802000
[ 45.039153] Memory Limit: none
[ 45.039952] ---[ end Kernel panic - not syncing: Fatal exception in
interrupt ]---
Focal was deployed on a Hisilicon D05, After installing the kernel on bare
metal there were no console logs after the EFI Boot Stub
Booting local disk... [ grub.cfg-02:0f:b7:04 527B 100% 2.25B/s ]
EFI stub: Booting Linux Kernel... [ grubaa64.efi 1.70MiB 100% 7.45KiB/s ]
EFI stub: EFI_RNG_PROTOCOL unavailable, no randomness supplied
EFI stub: Using DTB from configuration table
EFI stub: Exiting boot services and installing virtual address map...
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1860144
Title:
linux 5.4.0-11 fails to boot on arm64
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