[Bug 2150321] Re: Ubuntu 26.04 flash-kernel db is not update-to-date

Kan Li 2150321 at bugs.launchpad.net
Mon Apr 27 05:40:20 UTC 2026


Thanks for the quick response. I followed https://linuxconfig.org/how-
to-configure-dracut-initramfs-on-ubuntu-26-04 to use dracut to re-
generate initrd.img. It re-created the ones under /boot, i.e.
/boot/initrd.img, however, it doesn't re-generate
/boot/firmware/current/initrd.img, which makes my setup still not
working. Is there any Raspberry Pi specific way to use the dracut to
generate the initrd.img?

For details, I simply add a file to /etc/dracut.conf.d/ with the content
```
add_dracutmodules+=" lvm "
```

and then run the command `sudo dracut -f --regenerate-all`.

Please advise. Thanks.

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Title:
  Ubuntu 26.04 flash-kernel db is not update-to-date

Status in flash-kernel package in Ubuntu:
  New

Bug description:
  I have a Raspberry Pi 4 Model B device and yesterday I installed
  Ubuntu 26.04 on it. initramfs-tools and flash-kernel packages fail to
  install (more accurately, they did get installed, but failed at
  configure step), reporting my device is not recognized. I rolled it
  back to my original Ubuntu 24.04 so I can no longer run commands to
  collect detailed information.

  By digging into it, the flash-kernel package on Ubuntu 26.04 doesn't
  ship with the latest database, while Ubuntu 24.04 does.

  The file in question is  /usr/share/flash-kernel/db/all.db, on Ubuntu
  24.04 it does contain devices Raspberry Pi 4B; on Ubuntu 26.04, it is
  still the old version.

  Please update the package on Ubuntu 26.04 otherwise I can't run
  update-initramfs properly to add LVM support in the initrd.img (I put
  the rootfs in LVM, and everything works fine for Ubuntu 24.04).

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