[Bug 1990294] Re: Ampere AltraMax sometimes hangs after "EFI stub: Exiting boot services..."

[Taihsiang Ho]

Kernel panic message snippet from the log attachment
papat-221211-reboot_mainline-6.0.9-060009-generic_kernel-panic.log:

[  835.504178] ------------[ cut here ]------------
[  835.504183] kernel BUG at kernel/irq_work.c:235!
[  835.504184] Internal error: Oops - BUG: 0 [#1] SMP
[  835.504186] Modules linked in:
[  835.504187] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G        W    L     6.0.9-060009-generic #202211161102
[  835.504189] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  835.504190] pc : irq_work_run_list+0x98/0xa0
[  835.504194] lr : irq_work_run+0x2c/0x60
[  835.504196] sp : ffff80000883bc60
[  835.504197] x29: ffff80000883bc60 x28: ffff403e40bca798 x27: 0000000000000000
[  835.504200] x26: ffff78e12694f000 x25: 0000000000000000 x24: 0000000000000000
[  835.504202] x23: ffffc75d180f48d4 x22: 00000000000002e9 x21: ffffc75d1a27b798
[  835.504205] x20: 0000000000000095 x19: ffffc75d1a287ff0 x18: ffff80000881b050
[  835.504207] x17: 0000000000000000 x16: 0000000000000000 x15: 6765722030303030
[  835.504209] x14: 0000000000000001 x13: 3a296c61746f7420 x12: 302820736b736174
[  835.504212] x11: 0000000000000000 x10: 0000000000000000 x9 : ffffc75d180f48f4
[  835.504214] x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
[  835.504217] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
[  835.504219] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff083e7f10eff8
[  835.504221] Call trace:
[  835.504222]  irq_work_run_list+0x98/0xa0
[  835.504224]  smpcfd_dying_cpu+0x24/0x40
[  835.504227]  cpuhp_invoke_callback+0x230/0x610
[  835.504229]  cpuhp_invoke_callback_range+0xe4/0x11c
[  835.504231]  _cpu_up+0x1f4/0x294
[  835.504233]  cpu_up+0xd0/0x13c
[  835.504234]  bringup_nonboot_cpus+0x98/0xdc
[  835.504236]  smp_init+0x40/0xb8
[  835.504237]  kernel_init_freeable+0x144/0x1c8
[  835.504240]  kernel_init+0x3c/0x180
[  835.504241]  ret_from_fork+0x10/0x20
[  835.504244] Code: d2800002 d2800010 d2800011 d65f03c0 (d4210000) 
[  835.504249] ---[ end trace 0000000000000000 ]---
[  835.504250] note: swapper/0[1] exited with preempt_count 1
[  835.504435] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[  835.504437] SMP: stopping secondary CPUs
[  835.506210]  x6 : 0000000000000000
[  835.506213] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
[  835.506216] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 00000000000000e0
[  835.506218] Call trace:
[  835.506219]  arch_cpu_idle+0x1c/0x60
[  835.506221]  default_idle_call+0x78/0x1f0
[  835.506223]  cpuidle_idle_call+0x198/0x200
[  835.506225]  do_idle+0xb8/0x120
[  835.506227]  cpu_startup_entry+0x30/0x40
[  835.506229]  secondary_start_kernel+0xf4/0x14c
[  835.506231]  __secondary_switched+0xb4/0xb8
[  835.514617] Call trace:
[  835.518072]  arch_cpu_idle+0x1c/0x60
[  835.525418]  default_idle_call+0x78/0x1f0
[  835.528518]  cpuidle_idle_call+0x198/0x200
[  835.538432]  do_idle+0xb8/0x120
[  835.545516]  cpu_startup_entry+0x30/0x40
[  835.549499]  secondary_start_kernel+0xf4/0x14c
[  835.553486]  __secondary_switched+0xb4/0xb8
[  836.948113] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to grub2 in Ubuntu.
https://bugs.launchpad.net/bugs/1990294

Title:
  Ampere AltraMax sometimes hangs after "EFI stub: Exiting boot
  services..."

Status in grub2 package in Ubuntu:
  New
Status in linux package in Ubuntu:
  In Progress

Bug description:
  When kernel test rebooted onto the 5.15.0-43-generic HWE kernel, no
  output appeared on the console after the EFI stub:

  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint A0
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint AD
  EFI stub: Booting Linux Kernel...
  EFI stub: ERROR: FIRMWARE BUG: kernel image not aligned on 64k boundary
  EFI stub: Using DTB from configuration table
  EFI stub: Exiting boot services...

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1990294/+subscriptions