[Bug 2147129] [NEW] dbx updates fail to notify snapd on default image

Simon Johnsson 2147129 at bugs.launchpad.net
Thu Apr 2 15:54:44 UTC 2026


Public bug reported:

dbx updates not containing multiple firmware blobs are currently broken.
This will lead to the error:

failed to write-firmware: failed to notify snapd of prepare: snapd
request failed with status 400

This has been fixed upstream as of:
https://github.com/bboozzoo/fwupd/commit/bf2502adde57bece0186f73c12c2c53d79a79363

** Affects: fwupd
     Importance: Unknown
         Status: Unknown

** Affects: fwupd (Ubuntu)
     Importance: Critical
         Status: Triaged

** Changed in: fwupd (Ubuntu)
       Status: New => Triaged

** Changed in: fwupd (Ubuntu)
   Importance: Undecided => Critical

** Bug watch added: github.com/fwupd/fwupd/issues #10082
   https://github.com/fwupd/fwupd/issues/10082

** Also affects: fwupd via
   https://github.com/fwupd/fwupd/issues/10082
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/2147129

Title:
  dbx updates fail to notify snapd on default image

Status in Fwupd:
  Unknown
Status in fwupd package in Ubuntu:
  Triaged

Bug description:
  dbx updates not containing multiple firmware blobs are currently
  broken. This will lead to the error:

  failed to write-firmware: failed to notify snapd of prepare: snapd
  request failed with status 400

  This has been fixed upstream as of:
  https://github.com/bboozzoo/fwupd/commit/bf2502adde57bece0186f73c12c2c53d79a79363

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