[Bug 1892369] Re: Impossible to skip integrity test for ubuntu-server 20.04.1 iso

Wed Mar 30 14:57:54 UTC 2022

The changes are working in jammy daily builds:
- jammy-live-server-amd64.iso @ 20220330.1
- jammy-desktop-amd64.iso @ 20220329.1

live-server
---

root at ubuntu-server:/# cat /proc/cmdline
BOOT_IMAGE=/casper/vmlinuz console=ttyS0

root at ubuntu-server:/# systemctl status -l --no-pager casper-md5check.service
...
Mar 30 14:48:56 ubuntu-server casper-md5check[1246]: Checking ./casper/ubuntu-server-minimal.ubuntu-server.installer.manifest..../casper/ubuntu-server-minimal.ubuntu-server.installer.manifest: OK
...
Mar 30 14:48:56 ubuntu-server casper-md5check[1246]: Check finished: no errors found.
Mar 30 14:48:56 ubuntu-server systemd[1]: Finished casper-md5check Verify Live ISO checksums.

...

root at ubuntu-server:/# cat /proc/cmdline
BOOT_IMAGE=/casper/vmlinuz console=ttyS0 fsck.mode=skip

root at ubuntu-server:/# systemctl status -l --no-pager casper-md5check.service
...
Mar 30 14:51:33 ubuntu-server systemd[1]: Starting casper-md5check Verify Live ISO checksums...
Mar 30 14:51:33 ubuntu-server casper-md5check[1245]: .
Mar 30 14:51:33 ubuntu-server casper-md5check[1245]: Check skipped.
Mar 30 14:51:33 ubuntu-server systemd[1]: Finished casper-md5check Verify Live ISO checksums.

desktop
---

ubuntu at ubuntu:~$ cat /proc/cmdline
BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity console=ttyS0

ubuntu at ubuntu:~$ systemctl status -l --no-pager casper-md5check.service
...
Mar 30 14:40:20 ubuntu casper-md5check[1305]: Checking ./casper/filesystem.manifest..../casper/filesystem.manifest: OK
...
Mar 30 14:40:21 ubuntu casper-md5check[1305]: Check finished: no errors found.
Mar 30 14:40:21 ubuntu systemd[1]: Finished casper-md5check Verify Live ISO checksums.

...

ubuntu at ubuntu:~$ cat /proc/cmdline
BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity console=ttyS0 fsck.mode=skip

ubuntu at ubuntu:~$ systemctl status -l --no-pager casper-md5check.service
...
Mar 30 14:46:15 ubuntu casper-md5check[1301]: .
Mar 30 14:46:15 ubuntu casper-md5check[1301]: Check skipped.
Mar 30 14:46:16 ubuntu systemd[1]: Finished casper-md5check Verify Live ISO checksums.

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https://bugs.launchpad.net/bugs/1892369

Title:
  Impossible to skip integrity test for ubuntu-server 20.04.1 iso

Status in subiquity:
  New
Status in Release Notes for Ubuntu:
  New
Status in casper package in Ubuntu:
  Fix Released
Status in casper source package in Jammy:
  Fix Released

Bug description:
  It is not possible to skip the integrity test with the iso available
  at http://www.releases.ubuntu.com/20.04/ubuntu-20.04.1-live-server-
  amd64.iso .

  Bellow is a screenshot of me hitting CTRL+C to try to cancel it, without success:
  https://ibb.co/vwvtXmn

  Checking integrity can be extremely slow when mounting an image via
  virtual CD tools from Dell idrac. I didn't measure it precisely but it
  takes more than 30 minutes.

  Since the image is on a remote location and was already checked, this
  is completely useless.

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