"Encrypted RAM" show Enabled after run "fwupdmgr security --force" command in Linux OS(Ubuntu22.04) with Memory Encryption (TME) is disabled

[AaronMa]

On 22.04, after install edge channel of snap.
It always shows "Not Supported" no matter what kernel is and mem encryption is enabled or not.
fwupd: 1.9.21-7-g91b2faf2f

On 22.04 with default version of fwupd:
Encrypted RAM will always suggests Enabled when running fwupdmgr security --force for both 6.5.0-1026-oem and 6.8.0-38-generic.

On 24.04:

root@P7-SIT-C7:~# fwupdmgr --version
compile org.freedesktop.fwupd 1.9.16
compile com.hughsie.libxmlb 0.3.17
compile com.hughsie.libjcat 0.2.0
runtime org.freedesktop.fwupd-efi 1.4
compile org.freedesktop.gusb 0.4.8
runtime com.hughsie.libjcat 0.2.0
runtime org.freedesktop.gusb 0.4.8
runtime org.kernel 6.8.0-38-generic
runtime org.freedesktop.fwupd 1.9.16

root@P7-SIT-C7:~# uname -r
6.8.0-38-generic

`Encrypted RAM` is aligned with `Memory Encryption`.

[AaronMa (mapengyu)]

Hardware: Lenovo P7
CPU: Intel Xeon W7-3445

[Anthony Wong (anthonywong)]

The fwupd snap is maintained at fwupd upstream, as can be seen from https://github.com/fwupd/fwupd/commits/main/contrib/snap

Should report the issue at https://github.com/fwupd/fwupd/issues as described in https://snapcraft.io/fwupd

[AaronMa (mapengyu)]

https://github.com/fwupd/fwupd/issues/7520