Hi, so far it was easy to install and run Qubes OS 4.0 RC3 (and RC2) on this hardware - as long as I keep boot mode on "Legacy Only".
However, the TPM chip on this hardware works in UEFI boot mode only; and
even with secureboot disabled and CSM support enabled, I can't get Qubes OS
to boot in UEFI mode:
- The installer doesn't run in UEFI mode (I get text mode grub, but
whatever i select simply does nothing and returns to grub)
- If I turn UEFI mode on after installing Qubes OS, I don't even get grub.
- I tried the UEFI troubleshooting guide to no avail, although I was unable
to run efibootmgr directly while in legacy boot mode ("EFI variables are
not supported on this system") so in order to run efibootmgr, i booted a
separate Fedora 26 Live image which does boot in UEFI mode. However, even
with updated records, the result is the same: selecting those options from
the UEFI boot menu simply makes the screen flicker once and then i'm back
in the UEFI boot menu.
- I tried copying the EFI and CFG file to /EFU/BOOT and renaming them to
BOOTX64.EFI and .CFG, and also created new entries with efibootmgr for
this, again without success.
I also tried installing Qubes OS 3.2 on this system which didn't work and
initial troubleshooting failed; but I'd like to concentrate my efforts on
making this work for Qubes 4.0 so i didn't spend too much time on getting
Qubes OS 3.2 on the T470.
Any hints about troubleshooting the UEFI boot option are appreciated; i can
also provide more exact details about what i already tried. Given the specs
of this machine, I'm really determined to not give up easily.
For now, I'll test other functionality in legacy mode only.
Cheers,
-joe
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Qubes-HCL-LENOVO-20HDCTO1WW-20171129-163138.cpio.gz
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