Actually, I can't find any references to "mem_sleep_default=deep" in
/etc/default/grub, although I do see that /boot/grub/grub.cfg contains some
(see attached).

On Mon, Jan 10, 2022 at 3:10 AM Daniel van Vugt <email address hidden>
wrote:

> You still have one instance of "mem_sleep_default=deep" in your kernel
> command line. Please remove it then run 'sudo update-grub' and reboot.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1955903
>
> Title:
>   Dell XPS 13 9370 never wakes from sleep
>
> Status in linux package in Ubuntu:
>   New
>
> Bug description:
>   Every so often, whether I close the lid of the laptop or not, the
>   screen will go blank and neither pressing a key nor moving the mouse
>   will show anything. The only thing I can do to recover is hold the
>   power button down for 10 seconds to restart.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 20.04
>   Package: xorg 1:7.7+19ubuntu14
>   ProcVersionSignature: Ubuntu 5.4.0-91.102-generic 5.4.151
>   Uname: Linux 5.4.0-91-generic x86_64
>   .tmp.unity_support_test.0:
>
>   ApportVersion: 2.20.11-0ubuntu27.21
>   Architecture: amd64
>   CasperMD5CheckResult: skip
>   CompizPlugins: No value set for
> `/apps/compiz-1/general/screen0/options/active_plugins'
>   CompositorRunning: None
>   CurrentDesktop: ubuntu:GNOME
>   Date: Tue Dec 28 08:25:44 2021
>   DistUpgraded: 2020-05-08 07:44:41,528 ERROR got error from
> PostInstallScript ./xorg_fix_proprietary.py (g-exec-error-quark: Failed to
> execute child process “./xorg_fix_proprietary.py” (No such file or
> directory) (8))
>   DistributionChannelDescriptor:
>    # This is a distribution channel descriptor
>    # For more information see
> http://wiki.ubuntu.com/DistributionChannelDescriptor
>    canonical-oem-somerville-xenial-amd64-20160624-2
>   DistroCodename: focal
>   DistroVariant: ubuntu
>   ExtraDebuggingInterest: Yes
>   GpuHangFrequency: Once a week
>   GpuHangReproducibility: Seems to happen randomly
>   GpuHangStarted: Immediately after installing this version of Ubuntu
>   GraphicsCard:
>    Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00
> [VGA controller])
>      Subsystem: Dell UHD Graphics 620 [1028:07e6]
>   InstallationDate: Installed on 2018-03-12 (1387 days ago)
>   InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary
> 20160624-10:47
>   MachineType: Dell Inc. XPS 13 9370
>   ProcEnviron:
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-91-generic
> root=UUID=d9d0f137-4a05-4e95-aac6-c6835b632839 ro locale=en_US
> alx.enable_wol=1 mem_sleep_default=deep alx.enable_wol=1
> mem_sleep_default=deep alx.enable_wol=1 mem_sleep_default=deep quiet splash
> vt.handoff=7
>   SourcePackage: xorg
>   Symptom: display
>   Title: Xorg freeze
>   UpgradeStatus: Upgraded to focal on 2020-05-08 (599 days ago)
>   dmi.bios.date: 10/07/2021
>   dmi.bios.vendor: Dell Inc.
>   dmi.bios.version: 1.17.0
>   dmi.board.name: 0F6P3V
>   dmi.board.vendor: Dell Inc.
>   dmi.board.version: A00
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: Dell Inc.
>   dmi.modalias:
> dmi:bvnDellInc.:bvr1.17.0:bd10/07/2021:svnDellInc.:pnXPS139370:pvr:rvnDellInc.:rn0F6P3V:rvrA00:cvnDellInc.:ct10:cvr:
>   dmi.product.family: XPS
>   dmi.product.name: XPS 13 9370
>   dmi.product.sku: 07E6
>   dmi.sys.vendor: Dell Inc.
>   version.compiz: compiz 1:0.9.14.1+20.04.20200211-0ubuntu1
>   version.libdrm2: libdrm2 2.4.105-3~20.04.2
>   version.libgl1-mesa-dri: libgl1-mesa-dri 21.0.3-0ubuntu0.3~20.04.5
>   version.libgl1-mesa-glx: libgl1-mesa-glx 21.0.3-0ubuntu0.3~20.04.5
>   version.xserver-xorg-core: xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.2
>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.6-1
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.99.917+git20200226-1
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
>
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>
>