Re: Suspend/hibernate not working on Dell XPS 15 9500 laptop

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Sat, Jun 27, 2020 at 08:35:27AM +0000, Trevor Bentley wrote:
> I asked on #xen on Freenode and was requested to post here.
> 
> Summary: Under Xen, both suspend and hibernate operations put the laptop
> into some sort of unrecoverable low-power mode, and a force power-off is
> required.
> 
> Environment:
>  - Dell XPS 15 9500, BIOS 1.0.1 (this is a new 2020 model)
>  - Intel i7-10750H
>  - Intel i915 + Nvidia GTX 1650 Ti Mobile
>  - Arch linux (clean install)
>  - Linux kernels 5.7.5, 5.7.6 tested
>  - i915 driver loaded, no nvidia drivers loaded (nouveau blacklisted)
>  - Xen 4.13.1, 4.14.0-rc3 tested
>  - UEFI, GRUB2 bootloader, LUKS-encrypted /boot, /root, and swap
> (unencrypted /efi with GRUB stub loader)

Completely a shot in the dark, but have you tried with legacy boot
(BIOS) instead of UEFI? To try to rule out what might cause the
issues.

Roger.