>From non-ubuntu kernel:

# uname -a
Linux mmm-U2442 5.0.0-17.1-liquorix-amd64 #1 ZEN SMP PREEMPT liquorix 
5.0-17ubuntu1~bionic (2019-05-17) x86_64 x86_64 x86_64 GNU/Linux

# dmesg |grep microcode
#

# cat /proc/cmdline
audit=0  BOOT_IMAGE=/vmlinuz-5.0.0-17.1-liquorix-amd64 
root=UUID=824505cb-a96b-404d-9581-b0c2ffbc013b ro rootflags=subvol=@ubuntu ro 
kaslr resume=/dev/mapper/swapDevice mem_sleep_default=deep dm_mod.use_blk_mq=1 
acpi_osi=Linux acpi_backlight=vendor earlycon print_early=efi debug mds=off


# cat /sys/devices/system/cpu/cpu0/microcode/version
0xb8


Summary: 
* Ubuntu kernel:
- need dis_ucode_ldr, cpu0/microcode does not exist

* non-ubuntu:
- only need mds=off, microcode seems to load.

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https://bugs.launchpad.net/bugs/1829620

Title:
  intel-microcode on ASUS makes kernel stuck during loading initramfs on
  bionic-updates, bionic-security

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