[Bug 1937295] Re: Installation hangs on VROC systems during Bionic installs

[Michael Hudson-Doyle]

I'm a bit confused, I wouldn't expect vroc installs to work at all with
18.04.5. Is this after updating to the edge channel or something?

** Package changed: syslinux (Ubuntu) => subiquity

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Title:
  Installation hangs on VROC systems during Bionic installs

Status in subiquity:
  New

Bug description:
  A hardware partner has been testing 18.04 subiquity images on their
  servers with VROC enabled and configured in a RAID 10 setup.

  
  In their own words:
  Steps to reproduce:

      1. Boot into VRoC controller in uEFI Setup and create a raid10
  disk.

      2. Install Ubuntu  18.04.5 on the RAID10.

      3. The system hangs at "Partitions formatting 33%".


  After looking at the launchpad
  (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1896578/), the
  fix was included in the updated kernel.

     [Quotes from the launchpad]

        The released kernels are:

                Hirsute: 5.11.0-22-generic
                Groovy: 5.8.0-59-generic
                Focal: 5.4.0-77-generic
                Bionic: 4.15.0-147-generic


  
  I've asked them to also confirm this on 20.04.2, and check that 20.04.3 dailies fix the issue.

  It is at least a very reasonable hypothesis that this will also break
  on all current ISO installs as none of them are respun once released
  to include updated SRUs in the installation media.  This currently
  affects 20.04.2 but that will be resolved shortly when 20.04.3
  releases as the GA and HWE kernels in that image should have the SRU
  that fixes this issue. However, 18.04 has no further releases, and
  even the 18.04.5 daily-live and daily images on cdimages.ubuntu.com
  are not built after 18.04.5 was released.

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