>From kernel oops, there is no root fs found. Possible root cause is bug 1890797, which needed kernel module udebs are not packed into legacy ISO. But this bug is filed against daily-live ISO, better to check if we have same issue on daily-live ISOs too.
-- 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/1890884 Title: kernel trace of 18.04.5 daily image (20200806.1) on Hisilicon D06 arm64 arch Status in linux package in Ubuntu: Incomplete Bug description: image: 18.04.5 daily image (20200806.1) bionic-live-server-arm64.iso kernel: 4.15.0-112-generic #113-Ubuntu platform: Hisilicon D06 arm64 arch [Reproducing Steps] 1. setup pxe boot by following https://discourse.ubuntu.com/t/netbooting-the-live-server-installer/14510 2. pxe boot the machine with the image [Expected Result] Boot to subiquity [Actual Result] Kernel trace happened during booting process. Reproducing rate: 2 out of 2. [ 8.375118] md: ... autorun DONE. [ 8.378478] VFS: Cannot open root device "(null)" or unknown-block(0,0): error -6 [ 8.385955] Please append a correct "root=" boot option; here are the available partitions: [ 8.394303] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 8.402554] CPU: 32 PID: 1 Comm: swapper/0 Not tainted 4.15.0-112-generic #113-Ubuntu [ 8.410369] Hardware name: Huawei D06 /D06, BIOS Hisilicon D06 UEFI RC0 - V1.20.01 04/26/2019 [ 8.418879] Call trace: [ 8.421316] dump_backtrace+0x0/0x198 [ 8.424965] show_stack+0x24/0x30 [ 8.428269] dump_stack+0x98/0xbc [ 8.431572] panic+0x128/0x2a4 [ 8.434615] mount_block_root+0x210/0x2e8 [ 8.438610] mount_root+0x7c/0x8c [ 8.441912] prepare_namespace+0x144/0x1dc [ 8.445995] kernel_init_freeable+0x218/0x23c [ 8.450341] kernel_init+0x18/0x110 [ 8.453817] ret_from_fork+0x10/0x18 [ 8.457486] SMP: stopping secondary CPUs [ 8.461836] Kernel Offset: disabled [ 8.465312] CPU features: 0x03200a38 [ 8.468873] Memory Limit: none [ 8.473291] Unable to handle kernel paging request at virtual address ffff000009865034 [ 8.481192] Mem abort info: [ 8.483972] ESR = 0x96000061 [ 8.487013] Exception class = DABT (current EL), IL = 32 bits [ 8.492918] SET = 0, FnV = 0 [ 8.495958] EA = 0, S1PTW = 0 [ 8.499086] Data abort info: [ 8.501953] ISV = 0, ISS = 0x00000061 [ 8.505774] CM = 0, WnR = 1 [ 8.508729] swapper pgtable: 4k pages, 48-bit VAs, pgd = (ptrval) [ 8.515502] [ffff000009865034] *pgd=00000a5fffffe003, *pud=00000a5fffffd003, *pmd=00000a5fffff7003, *pte=0068000094110703 [ 8.526445] Internal error: Oops: 96000061 [#1] SMP [ 8.531310] Modules linked in: [ 8.534351] Process swapper/0 (pid: 1, stack limit = 0x (ptrval)) [ 8.541039] CPU: 32 PID: 1 Comm: swapper/0 Not tainted 4.15.0-112-generic #113-Ubuntu [ 8.548854] Hardware name: Huawei D06 /D06, BIOS Hisilicon D06 UEFI RC0 - V1.20.01 04/26/2019 [ 8.557363] pstate: 60800089 (nZCv daIf -PAN +UAO) [ 8.562144] pc : acpi_os_write_memory+0xac/0x158 [ 8.566749] lr : apei_write+0xb0/0xc0 [ 8.570397] sp : ffff000009afb900 [ 8.573698] x29: ffff000009afb900 x28: 00000000fffffffe [ 8.578996] x27: 00000000ffffffff x26: 00000000ffffffa5 [ 8.584294] x25: 00000000ffffffbe x24: 0000000000000080 [ 8.589592] x23: 0000000000000005 x22: 0000000000000008 [ 8.594890] x21: 0000000000000040 x20: 0000000000000010 [ 8.600188] x19: 0000000094110034 x18: 0000000000000003 [ 8.605486] x17: 0000000000000000 x16: 0000000000000009 [ 8.610784] x15: 000000000000001f x14: 8205169d4225fc6e [ 8.616082] x13: 34650f577629d387 x12: 9c021ee3f3d0bcca [ 8.621380] x11: b1ae83ff50c19148 x10: b6b91ab42ae87562 [ 8.626678] x9 : f469cb78cb1add9d x8 : a16fcb806efa3dd5 [ 8.631976] x7 : 0000000000000001 x6 : 0000000094110034 [ 8.637274] x5 : 000000009411003c x4 : ffff000009639fb8 [ 8.642571] x3 : 0000000000000000 x2 : 0000000000000034 [ 8.647869] x1 : 0000000000000010 x0 : ffff000009865034 [ 8.653167] Call trace: [ 8.655601] acpi_os_write_memory+0xac/0x158 [ 8.659858] apei_write+0xb0/0xc0 [ 8.663160] __apei_exec_write_register+0x88/0xb0 [ 8.667851] apei_exec_write_register_value+0x2c/0x38 [ 8.672888] __apei_exec_run+0xac/0x108 [ 8.676711] erst_write+0x154/0x268 [ 8.680186] erst_writer+0x26c/0x3b0 [ 8.683751] pstore_dump+0x1b4/0x330 [ 8.687313] kmsg_dump+0xd0/0x100 [ 8.690615] panic+0x164/0x2a4 [ 8.693656] mount_block_root+0x210/0x2e8 [ 8.697652] mount_root+0x7c/0x8c [ 8.700953] prepare_namespace+0x144/0x1dc [ 8.705035] kernel_init_freeable+0x218/0x23c [ 8.709380] kernel_init+0x18/0x110 [ 8.712855] ret_from_fork+0x10/0x18 [ 8.716418] Code: 54000380 710102bf 54000561 d5033e9f (f9000014) [ 8.722499] ---[ end trace 8cc2af9c56a59f43 ]--- [ 38.738914] WARNING: CPU: 32 PID: 9 at /build/linux-WMG2fK/linux-4.15.0/kernel/irq_work.c:102 irq_work_queue_on+0xd4/0xe8 [ 38.749854] Modules linked in: [ 38.752897] CPU: 32 PID: 9 Comm: rcu_sched Tainted: G D 4.15.0-112-generic #113-Ubuntu [ 38.762014] Hardware name: Huawei D06 /D06, BIOS Hisilicon D06 UEFI RC0 - V1.20.01 04/26/2019 [ 38.770524] pstate: 60c00089 (nZCv daIf +PAN +UAO) [ 38.775302] pc : irq_work_queue_on+0xd4/0xe8 [ 38.779560] lr : rcu_implicit_dynticks_qs+0x224/0x2c8 [ 38.784597] sp : ffff000009bebd20 [ 38.787897] x29: ffff000009bebd20 x28: ffff0000095b3b80 [ 38.793196] x27: 0000000000000000 x26: 0000000000000000 [ 38.798494] x25: ffff000008164980 x24: ffff000009588e40 [ 38.803792] x23: 0000000000000001 x22: ffff0000095896a8 [ 38.809090] x21: 0000000000001d4e x20: ffff0000095b3b80 [ 38.814388] x19: 0000000000000000 x18: ffffffffffffffff [ 38.819686] x17: 0000000000000000 x16: 0000000000000009 [ 38.824984] x15: ffff000009588c08 x14: ffff00008974ace7 [ 38.830282] x13: ffff00000974acf5 x12: ffff0000095b0000 [ 38.835580] x11: 0000000005f5e0ff x10: 0000000000000b00 [ 38.840878] x9 : ffff000009bebc70 x8 : 0000803f76a74000 [ 38.846176] x7 : 0000000000000019 x6 : 0000000000000001 [ 38.851474] x5 : ffff000009586000 x4 : ffff803f7fbb6be0 [ 38.856771] x3 : ffff000009589668 x2 : 0000000000000000 [ 38.862069] x1 : 0000000000000000 x0 : 0000000100000000 [ 38.867368] Call trace: [ 38.869802] irq_work_queue_on+0xd4/0xe8 [ 38.873712] rcu_implicit_dynticks_qs+0x224/0x2c8 [ 38.878403] force_qs_rnp+0xe4/0x190 [ 38.881965] rcu_gp_kthread+0x514/0x7e8 [ 38.885789] kthread+0x134/0x138 [ 38.889005] ret_from_fork+0x10/0x18 [ 38.892566] ---[ end trace 8cc2af9c56a59f44 ]--- [ 41.294908] WARNING: CPU: 32 PID: 0 at /build/linux-WMG2fK/linux-4.15.0/kernel/sched/core.c:1213 set_task_cpu+0x1a0/0x1a8 [ 41.305847] Modules linked in: [ 41.308889] CPU: 32 PID: 0 Comm: swapper/32 Tainted: G D W 4.15.0-112-generic #113-Ubuntu [ 41.318093] Hardware name: Huawei D06 /D06, BIOS Hisilicon D06 UEFI RC0 - V1.20.01 04/26/2019 [ 41.326602] pstate: 20400089 (nzCv daIf +PAN -UAO) [ 41.331380] pc : set_task_cpu+0x1a0/0x1a8 [ 41.335375] lr : try_to_wake_up+0x16c/0x478 [ 41.339544] sp : ffff0000098e3ce0 [ 41.342844] x29: ffff0000098e3ce0 x28: 0000000000000002 [ 41.348142] x27: ffff000009588000 x26: 0000000000000021 [ 41.353440] x25: ffff000009141000 x24: ffff803f7a5e0428 [ 41.358738] x23: 0000000000000000 x22: 0000000000000004 [ 41.364036] x21: ffff803f7a5e0814 x20: 0000000000000021 [ 41.369334] x19: ffff803f7a5e0000 x18: ffffffffffffffff [ 41.374632] x17: 0000000000000000 x16: 0000000000000009 [ 41.379930] x15: ffff000009588c08 x14: 0000000000000028 [ 41.385228] x13: 0000000000000000 x12: 0000000000000000 [ 41.390526] x11: ffff000008b67ba0 x10: 0000000000000001 [ 41.395824] x9 : ffff805f7fc76528 x8 : ffff805f7fc76570 [ 41.401122] x7 : 0000800000000000 x6 : 000000063007eb67 [ 41.406420] x5 : 00ffffffffffffff x4 : 0000000000000015 [ 41.411718] x3 : 0000000000003ec6 x2 : ffff000009589668 [ 41.417017] x1 : ffff000009589000 x0 : 0000000000000000 [ 41.422315] Call trace: [ 41.424748] set_task_cpu+0x1a0/0x1a8 [ 41.428397] try_to_wake_up+0x16c/0x478 [ 41.432219] wake_up_process+0x28/0x38 [ 41.435956] process_timeout+0x20/0x30 [ 41.439691] call_timer_fn+0x34/0x178 [ 41.443340] expire_timers+0xc8/0x130 [ 41.446989] run_timer_softirq+0xec/0x1b8 [ 41.450985] __do_softirq+0x134/0x330 [ 41.454634] irq_exit+0xcc/0xe0 [ 41.457763] __handle_domain_irq+0x6c/0xc0 [ 41.461845] gic_handle_irq+0x84/0x180 [ 41.465580] el1_irq+0xe8/0x180 [ 41.468709] arch_cpu_idle+0x30/0x180 [ 41.472358] do_idle+0x138/0x1f0 [ 41.475574] cpu_startup_entry+0x2c/0x30 [ 41.479484] secondary_start_kernel+0x114/0x128 [ 41.484001] ---[ end trace 8cc2af9c56a59f45 ]--- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890884/+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
