Comment 81 for bug 1829620

Is there a BIOS update for your Dell? I updated my Asus' BIOS and it fixed
the issue.
Though, now the NVIDIA driver does not work for me. I haven't had a chance
to dig in on yet. Perhaps a reinstall of the driver would fix it.

On Mon, 15 Jul 2019 at 05:30, Bert M Snider <email address hidden>
wrote:

> I am super new to linux. I have read through the thread, and I am pretty
> sure that my ASUS ZenBook is having the same problem. I re-installed Ubuntu
> and have just not upgraded, but I not happy with that workaround. So, will
> this be something that will be fixed with a future update? Or, will I need
> to do this from now on? I have no understanding of how to use the
> "dis_ucode_ldr".
> Thank you
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1829620
>
> Title:
> intel-microcode on ASUS makes kernel stuck during loading initramfs on
> bionic-updates, bionic-security
>
> Status in intel-microcode package in Ubuntu:
> Confirmed
> Status in linux package in Ubuntu:
> Confirmed
> Status in linux-hwe package in Ubuntu:
> Confirmed
> Status in linux-hwe-edge package in Ubuntu:
> Confirmed
>
> 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 plymouth (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
> - reinstall cryptsetup & update-grub (as suggested in
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1829620/comments/10 )
>
> 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.
>
> EDIT:
>
> Hypothesis:
> Only affects ASUS with i7-8565U Whiskey Lake Intel CPU
>
> Upstream Bug Report:
>
> https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/issues/1
>
> WORKAROUND 1: disable intel microcode updates during boot
> From this bug:
> https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1759920
> 1/ add the boot parameter: dis_ucode_ldr to /etc/default/grub
> 2/ update-grub
>
> WORKAROUND 2: downgrade (and hold) intel-microcode to older version from
> bionic/main
> apt install --reinstall intel-microcode=3.20180312.0~ubuntu18.04.1
>
> WORKAROUND 3: upgrade BIOS
> Asus has released updated BIOSes, which probably include the newest
> microcode. After upgrading workarounds 1,2 are not needed.
> Please NOTE, unlike workarounds 1,2, BIOS upgrade is permanent and
> cannot be (easily) reverted.
>
> ---
> ProblemType: Bug
> ApportVersion: 2.20.9-0ubuntu7.6
> Architecture: amd64
> CurrentDesktop: KDE
> DistroRelease: KDE neon 18.04
> InstallationDate: Installed on 2012-12-23 (2337 days ago)
> InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64
> (20121017.1)
> Package: linux-hwe-edge (not installed)
> Tags: bionic wayland-session
> Uname: Linux 5.0.0-17.1-liquorix-amd64 x86_64
> UnreportableReason: The running kernel is not an Ubuntu kernel
> UpgradeStatus: No upgrade log present (probably fresh install)
> UserGroups: adm libvirtd lpadmin netdev plugdev sudo vboxusers video
> _MarkForUpload: True
> ---
> ProblemType: Bug
> ApportVersion: 2.20.9-0ubuntu7.6
> Architecture: amd64
> CurrentDesktop: KDE
> DistroRelease: KDE neon 18.04
> InstallationDate: Installed on 2012-12-23 (2339 days ago)
> InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64
> (20121017.1)
> Package: linux-hwe-edge
> PackageArchitecture: amd64
> ProcVersionSignature: Ubuntu 5.0.0-15.16~18.04.1-generic 5.0.6
> Tags: third-party-packages bionic wayland-session
> Uname: Linux 5.0.0-15-generic x86_64
> UnreportableReason: Toto není oficiální KDE balík. Prosíme odstraňte
> všechny balíky třetích stran a zkuste to znovu.
> UpgradeStatus: No upgrade log present (probably fresh install)
> UserGroups: adm libvirtd lpadmin netdev plugdev sudo video
> _MarkForUpload: True
>
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