[Bug 1854764] Re: Dell 5280 hangs on warm reboot after upgrading intel-microcode package

[mpikyb]

OK, just tried the upgrade:

$ apt list --upgradable
Listing... Done
intel-microcode/bionic-updates,bionic-security 3.20191115.1ubuntu0.18.04.1 amd64 [upgradable from: 3.20180312.0~ubuntu18.04.1]
linux-headers-generic/bionic-updates 4.15.0.72.74 amd64 [upgradable from: 4.15.0.70.72]
linux-libc-dev/bionic-updates 4.15.0-72.81 amd64 [upgradable from: 4.15.0-70.79]
mpiadmin at chive:~$ sudo apt install --only-upgrade intel-microcode
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
  intel-microcode
1 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
Need to get 2.409 kB of archives.
After this operation, 1.464 kB of additional disk space will be used.
Get:1 http://de.archive.ubuntu.com/ubuntu bionic-updates/main amd64 intel-microcode amd64 3.20191115.1ubuntu0.18.04.1 [2.409 kB]
Fetched 2.409 kB in 0s (10,6 MB/s)
(Reading database ... 241276 files and directories currently installed.)
Preparing to unpack .../intel-microcode_3.20191115.1ubuntu0.18.04.1_amd64.deb ...
Unpacking intel-microcode (3.20191115.1ubuntu0.18.04.1) over (3.20180312.0~ubuntu18.04.1) ...
Setting up intel-microcode (3.20191115.1ubuntu0.18.04.1) ...
update-initramfs: deferring update (trigger activated)
intel-microcode: microcode will be updated at next boot
Processing triggers for initramfs-tools (0.130ubuntu3.9) ...
update-initramfs: Generating /boot/initrd.img-4.15.0-70-generic

$ sudo reboot
(wait for reboot, log in again)
$ sudo reboot
(need to do this twice to make sure new kernel is in place)

--> still hang on warm reboot

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https://bugs.launchpad.net/bugs/1854764

Title:
  Dell 5280 hangs on warm reboot after upgrading intel-microcode package

Status in intel-microcode package in Ubuntu:
  In Progress
Status in intel-microcode source package in Xenial:
  In Progress
Status in intel-microcode source package in Bionic:
  In Progress
Status in intel-microcode source package in Disco:
  In Progress
Status in intel-microcode source package in Eoan:
  In Progress
Status in intel-microcode source package in Focal:
  In Progress

Bug description:
  We have brand-new Dell T 5280 workstations (Intel Xeon W-2133 3.6 GHz
  (3.9 GHz Turbo), 6 Cores) with latest BIOS (1.13.1) and Ubuntu 18.04.3
  LTS

  $ uname -a
  Linux hostname 4.15.0-70-generic #79-Ubuntu SMP Tue Nov 12 10:36:11 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

  $ lsb_release -rd
  Description:    Ubuntu 18.04.3 LTS
  Release:        18.04

  $ dpkg -l | grep linux-image-4 | grep ^i
  ii  linux-image-4.15.0-66-generic              4.15.0-66.75                                    amd64        Signed kernel image generic
  ii  linux-image-4.15.0-70-generic              4.15.0-70.79                                    amd64        Signed kernel image generic

  $ cat /proc/cpuinfo
  processor       : 0
  vendor_id       : GenuineIntel
  cpu family      : 6
  model           : 85
  model name      : Intel(R) Xeon(R) W-2133 CPU @ 3.60GHz
  stepping        : 4
  microcode       : 0x200005e
  cpu MHz         : 1200.410
  cache size      : 8448 KB
  physical id     : 0
  siblings        : 12
  [...]

  After upgrading the 'intel-microcode' package from
  3.20180312.0~ubuntu18.04.1 to 3.20191115.1ubuntu0.18.04.1 the machine
  hangs upon a warm restart (reboot --> black screen, cursor blinking in
  the top left corner). Powering off the machine and turning it on again
  will boot just fine.

  Removing the intel-microcode package will and rebooting twice will fix
  the issue. After reinstalling version 3.20180312.0~ubuntu18.04.1 the
  machine will still be booting correctly.

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