GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
#GRUB_CMDLINE_LINUX_DEFAULT="quiet splash  ro rootflags=subvol=@ubuntu 
mem_sleep_default=deep acpi_backlight=vendor pcie_aspm=force acpi_osi=Linux 
dm_mod.use_blk_mq=1 quiet kaslr ro resume=/dev/mapper/swapDevice"
GRUB_CMDLINE_LINUX_DEFAULT="ro kaslr resume=/dev/mapper/swapDevice 
mem_sleep_default=deep dm_mod.use_blk_mq=1 acpi_osi=Linux acpi_backlight=vendor 
splash"
GRUB_CMDLINE_LINUX=""
# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"
# Uncomment to disable graphical terminal (grub-pc only)
GRUB_TERMINAL=console
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
GRUB_GFXMODE=auto
GRUB_GFXPAYLOAD_LINUX=text
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true
# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"
# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"

-- 
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/1829620

Title:
  cryptsetup stuck at loading initramfs

Status in linux package in Ubuntu:
  New
Status in linux-hwe package in Ubuntu:
  New
Status in linux-hwe-edge package in Ubuntu:
  New

Bug description:
  Description:
  - my system gets stuck at "Booting, Loading initramfs" (the first 2 lines of 
booting, after grub)
  - does not even show the enter cryptsetup passphrase
  - affected kernels:
  # apt list --installed |grep linux-signed
  WARNING: apt does not have a stable CLI interface. Use with caution in 
scripts.
  linux-signed-generic/bionic-security,bionic-updates,now 4.15.0.50.52 amd64 
[installed]
  linux-signed-generic-hwe-18.04/bionic-security,bionic-updates,now 
4.18.0.20.70 amd64 [installed]
  linux-signed-generic-hwe-18.04-edge/bionic-security,bionic-updates,now 
5.0.0.15.71 amd64 [installed]

  - the setup is not new, has been working perfectly before (about 7
  days since my last restart?)

  System:
  - HW: ASUS Zenbook 14 UX433FN
  - Ubuntu 18.04, runing latest HWE, fully updated
  - grub(-pc), cryptsetup (crypttab entries for custom encrypted LUKS setup),

  Suspected/possible cause?:
  - recent intel-microcode package update
  - recent kernel package updates

  Steps taken:
  - tried to remove "splash quiet" from grub/kernel cmd line (also tried adding 
nosplash, noplymouth)
  - completely removed nvidia drivers (apt purge *nvidia*)
  - completely purged and reinstalled grub (grup-pc)
  - completely purged and reinstalled all kernels (headers, modules, image, ..)
  - toggle BIOS "fastboot" (now using OFF)
  - toggle UEFI SecureBoot (now using ON)
  - remove plymoyth (apt remove *plymouth* , but the workaround is working with 
plymouth installed)

  Workaround:
  - so far, I'm only able to boot with non-Ubuntu kernel! 
(linux-image-liquorix-amd64)
  - which needs "splash" option ON

  I am not sure how to get you more debug info, as this setup has been
  working before, and it's a very eary boot-process bug, so I can't even
  access dmesg etc.

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