This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1860144 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- 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