[Bug 1890867] Re: kernel trace of 18.04.5 daily image (20200806.1) on Hisilicon D05 arm64 arch

[Launchpad Bug Tracker]

[Expired for subiquity (Ubuntu) because there has been no activity for
60 days.]

** Changed in: subiquity (Ubuntu)
       Status: Incomplete => Expired

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to subiquity in Ubuntu.
https://bugs.launchpad.net/bugs/1890867

Title:
  kernel trace of 18.04.5 daily image (20200806.1) on Hisilicon D05
  arm64 arch

Status in linux package in Ubuntu:
  Expired
Status in subiquity package in Ubuntu:
  Expired

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 D05 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.

  
  [    6.643543] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.15.0-112-generic #113-Ubuntu
  [    6.651271] Hardware name: Hisilicon D05/BC11SPCD, BIOS 1.50 06/01/2018
  [    6.657871] Call trace:
  [    6.660308]  dump_backtrace+0x0/0x198
  [    6.663957]  show_stack+0x24/0x30
  [    6.667261]  dump_stack+0x98/0xbc
  [    6.670563]  panic+0x128/0x2a4
  [    6.673606]  mount_block_root+0x210/0x2e8
  [    6.677603]  mount_root+0x7c/0x8c
  [    6.680904]  prepare_namespace+0x144/0x1dc
  [    6.684987]  kernel_init_freeable+0x218/0x23c
  [    6.689331]  kernel_init+0x18/0x110
  [    6.692806]  ret_from_fork+0x10/0x18
  [    6.696428] SMP: stopping secondary CPUs
  [    6.700345] Kernel Offset: disabled
  [    6.703821] CPU features: 0x00002008
  [    6.707382] Memory Limit: none
  [    6.710438] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890867/+subscriptions