FWIW, i rebuilt the tip of focal/master-next on the same box, and it works fine too:
ubuntu@apollo:~$ uname -a Linux apollo 5.4.0-12-generic #15~1032f4a665a4 SMP Mon Jan 20 15:05:45 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1860144 Title: linux 5.4.0-11 fails to boot on arm64 Status in linux package in Ubuntu: Incomplete Bug description: 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... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860144/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
