Bug#990447: fwupdmgr: Unable to install new updates
Salvatore Bonaccorso writes:
> On Tue, Jun 29, 2021 at 02:04:47PM +0200, Salvatore Bonaccorso wrote:
>> Package: fwupd
>> Version: 1.5.7-4
> Interesting datapoint: I experimented further, and disabled secure
> boot. After that I was able to install those updates.
> Does that possibly ring some bell?
I have no idea about fwupd, but if disabling secure boot works: I would
check if the fwupd binaries in /boot/efi/EFI/debian are outdated for
some reason. fwupd-amd64-signed switched to a new signing key with
1.5.7+3 and the old key should be revoked.