[Bug 1898614] Re: ubuntu server installer serial console not preserved after update

[Michael Hudson-Doyle]

Well I finally got around to testing this, using kvm -nographic (and
booting with -kernel/-initd/-append console=ttyS0) and it seemed to work
fine. I agree it would be nice to be able to get grub to run on the
serial console but my understanding is that this is harder than it
should be on intel platforms.

Are those logs from the attempt where you had issues? I don't see any
evidence in the logs of an attempt to update.

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https://bugs.launchpad.net/bugs/1898614

Title:
  ubuntu server installer serial console not preserved after update

Status in subiquity:
  New
Status in subiquity package in Ubuntu:
  New
Status in subiquity source package in Focal:
  New

Bug description:
  I booted ubuntu-core 20 from a USB key to install a server.
  (It would be great if that was a regular option, and if grub could be more easily tuned to include console ttyS1)
  Ubuntu nicely discovered that I had booted from serial console, and I opted to stay with the non-rich mode, since I was using an xterm and serial console (SOL) via IPMI.
  I agreed to update my installer.  Then I lost everything.
  It seems that the installer was then running on the tty0.

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